US20030152331A1 - Methods and apparatus for fiber-optic modules with shielded housing/covers having mixed finger types - Google Patents
Methods and apparatus for fiber-optic modules with shielded housing/covers having mixed finger types Download PDFInfo
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- US20030152331A1 US20030152331A1 US10/335,443 US33544302A US2003152331A1 US 20030152331 A1 US20030152331 A1 US 20030152331A1 US 33544302 A US33544302 A US 33544302A US 2003152331 A1 US2003152331 A1 US 2003152331A1
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4245—Mounting of the opto-electronic elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4246—Bidirectionally operating package structures
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4256—Details of housings
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
Definitions
- the invention relates to electromagnetic shielding, and more specifically, to electromagnetic shielding of fiber-optic modules.
- optical fibers As the need for greater data bandwidth over networks has exploded over the past few years, there has been a move towards using optical fibers as a transmission medium.
- the main difference between a fiber-optic communication system and other types of communication systems is that signals are transmitted as light or photons over optical fibers.
- Optical fiber or fiber-optic cables enable high speed communication of signals by guiding light or photons therein.
- a transducer At each end of a fiber-optic cable a transducer may be found that converts a light, photon or optical signal into an electrical signal; an electrical signal into a light, photon or optical signal; or a pair of transducers may do both.
- an electrical-to-optical converter (EO) converts electrical signals into light or optical signals.
- an optical-to-electrical converter (OE) converts a light, photon or optical signal into an electrical signal.
- the transmitter may be included to receive and transmit optical or light signals respectively. Therefore, the optical-to-electrical converter (OE, i.e. receiver) and the electrical-to-optical converter (EO, i.e. transmitter) are oftentimes physically located together as a single module referred to as an electro-optic, opto-electronic or fiber-optic transceiver. Fiber-optic transceivers, including fiber-optic transmitters and fiber-optic receivers, can also be referred to as fiber-optic modules.
- electromagnetic radiation can be generated which can interfere with other communication systems.
- This electromagnetic radiation is oftentimes referred to as electromagnetic interference (EMI).
- Electromagnetic radiation radiating externally out from a fiber-optic module or a system that incorporates the fiber-optic module is of great concern.
- external electromagnetic shielding of internal electronic and opto-electronic components is often utilized. The external electromagnetic shielding can additionally reduce effects of external electromagnetic radiation on the internal components of a fiber-optic module and the system.
- FIG. 1 is a rear isometric view of the fiber-optic module according to a first embodiment of the invention
- FIG. 2 is a front isometric view of the fiber-optic module according to the first embodiment of the invention
- FIG. 3 is a rear isometric view of a housing/shielding unit according to the first embodiment of the invention.
- FIG. 4A is a bottom rear isometric view of the housing/shielding unit according to the first embodiment of the invention.
- FIG. 4B is a bottom rear isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 5A is an isometric view of a module chassis frame and a housing/shielding unit according to the first embodiment of the invention.
- FIG. 5B is an isometric view of a module chassis frame and a housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 6 is an exploded view of the fiber-optic module with the housing/shielding unit and the module chassis frame according to the first embodiment of the invention.
- FIG. 7 is an isometric view of a module chassis frame and a housing/shielding unit for an fiber-optic module according to a second embodiment of the invention.
- FIG. 8A is a front isometric view of a housing/shielding unit according to the second embodiment of the invention.
- FIG. 8B is a front isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 9A is a bottom isometric view of the housing/shielding unit according to the second embodiment of the invention.
- FIG. 9B is a bottom rear isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 10A is a top exploded view of the second embodiment of the fiber-optic module according to the invention.
- FIG. 10B is a bottom exploded view of the second embodiment of the fiber-optic module according to the invention.
- FIG. 11A is a side view of the second embodiment of the fiber-optic module of FIG. 10 mounted within a host system.
- FIG. 11B is a side view of the first embodiment of the fiber-optic module of FIG. 6 mounted within a host system.
- FIG. 12A is a front view of the second embodiment of the fiber-optic module of FIG. 10 mounted within a host system.
- FIG. 12B is a front view of the first embodiment of the fiber-optic module of FIG. 6 mounted within a host system.
- FIG. 13 is a perspective view of a host system incorporating embodiments of the fiber-optic modules of the invention.
- FIG. 14 illustrates a starting sheet of material for the embodiments of the housing/shielding unit.
- FIG. 15A illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 15B illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 15A.
- FIG. 15C illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 15D illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 15C.
- FIG. 16A illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 16B illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 16A.
- FIGS. 17 A- 17 C illustrate alternate methods of assembling a housing/shielding unit with a module chassis frame to form a fiber-optic module.
- FIG. 18A is a top plan view of a first embodiment of our new design for a one-piece shielded housing
- FIG. 18B is a right side elevational view thereof, the left side elevational view being a mirror image
- FIG. 18C is a front elevational view thereof
- FIG. 18D is a rear elevational view thereof
- FIG. 18E is a bottom plan view thereof
- FIG. 18F is a top perspective view thereof
- FIG. 18G is a bottom perspective view thereof
- FIG. 19A is a top plan view of a second embodiment of our new design for a one-piece shielded housing
- FIG. 19B is a right side elevational view thereof, the left side elevational view being a mirror image
- FIG. 19C is a front elevational view thereof
- FIG. 19D is a rear elevational view thereof
- FIG. 19E is a bottom plan view thereof
- FIG. 19F is a top perspective view thereof.
- FIG. 19G is a bottom perspective view thereof
- FIG. 20A is a top plan view of a third embodiment of our new design for a one-piece shielded housing
- FIG. 20B is a right side elevational view thereof, the left side elevational view being a mirror image
- FIG. 20C is a front elevational view thereof
- FIG. 20D is a rear elevational view thereof
- FIG. 20E is a bottom plan view thereof
- FIG. 20F is a top perspective view thereof.
- FIG. 20G is a bottom perspective view thereof.
- FIG. 21A is a top plan view of a first embodiment of our new design of a patterned material layer for a one-piece shielded housing;
- FIG. 21B is a front elevational view thereof, the rear elevational view being a mirror image
- FIG. 21C is a bottom plan view thereof
- FIG. 21D is a right side elevational view thereof, the left side elevational view being a mirror image
- FIG. 22A is a top plan view of a second embodiment of our new design of a patterned material layer for a one-piece shielded housing
- FIG. 22B is a front elevational view thereof, the rear elevational view being a mirror image
- FIG. 22C is a bottom plan view thereof
- FIG. 22D is a right side elevational view thereof, the left side elevational view being a mirror image
- FIG. 23 is a top plan view of a third embodiment of our new design of a patterned material layer for a one-piece shielded housing, a bottom plan view being a mirror image and the patterned material layer being a thin and flat sheet so that only the top plan view need be shown.
- FIG. 24 is a top perspective view of a fiber optic module for another embodiment of the invention.
- FIG. 25 is a bottom perspective view of the fiber optic module of FIG. 24.
- FIG. 26A is a rear perspective view of the fiber optic module of FIG. 24.
- FIG. 26B is a top view of the fiber optic module of FIG. 24.
- FIG. 27 is a side view of the fiber optic module of FIG. 24.
- FIG. 28 is a front view of the fiber optic module of FIG. 24 mounted against a faceplate, backplate, or bezel in a system.
- FIG. 29 is a side view of the fiber optic module of FIG. 24 mounted in a system.
- FIG. 30 is a top view of the fiber optic module of FIG. 24 mounted in a system.
- FIG. 31 is a top view of a pattern for a front portion of a shielded housing/cover of the fiber optic module of FIG. 24.
- FIG. 32 is a top view of the pattern of FIG. 31 including bend/fold lines.
- FIG. 33 is a top perspective view of a fiber optic module for another embodiment of the invention.
- FIG. 34 is a side view of the fiber optic module of FIG. 33.
- FIG. 35 is a top view of the fiber optic module of FIG. 33.
- FIG. 36 is a front view of the fiber optic module of FIG. 33.
- FIG. 37 is a side view of the fiber optic module of FIG. 33 mounted in a system.
- FIG. 38 is a top view of the fiber optic module of FIG. 33 mounted in a system.
- FIG. 39 is a top view of a pattern for a front portion of a shielded housing/cover of the fiber optic module of FIG. 33.
- FIG. 40 is a top view of the pattern of FIG. 39 including bend/fold lines.
- Fiber-optic module generally refers to fiber-optic transmitter modules, fiber-optic receiver modules, and fiber-optic transceiver modules.
- the various fiber-optic modules can also be referred to as opto-electronic transmitter, receiver or transceiver modules; and electro-optic transmitter, receiver or transceiver modules.
- the fiber-optic module of the invention is capable of reducing electromagnetic interference (EMI) from both the fiber-optic module and from the system that incorporates the fiber-optic module.
- EMI electromagnetic interference
- a fiber-optic module comprises a module chassis frame and a housing/shielding unit.
- the housing/shielding unit can be formed of one piece in which case it can also be referred to as a one-piece integrated housing/shielding unit, a one piece shielded housing, an EMI box or container, or a single-piece shielded housing integrating a protection function and a shielding function.
- the module chassis frame can also be referred to as a chassis, a frame, or a support fixture.
- the housing/shielding unit functions both as a protective outer housing for the fiber-optic module as well as an EMI suppression device and a chassis grounding feature.
- the housing/shielding unit can protect and shield the optical, electrical, and optical-electrical components within a fiber-optic module.
- the housing/shielding unit can be formed out of conductive materials such as a metal, a plated plastic, a conductive plastic or other electrically conductive material.
- the module chassis frame can be formed of a nonconductive material such as a non-conductive plastic.
- the module chassis frame can also be formed of a conductive material such as sheet metal, a plated plastic, or conductive plastic so as to provide, EMI shielding as well.
- the module chassis frame is the central structural support to which components of the fiber-optic module attach. These components can include an opto-electronic transmitter and/or an opto-electronic receiver.
- the fiber-optic module includes a transmitter optical subassembly, a receiver optical subassembly and an electrical subassembly.
- Each of the opto-electronic transmitter and the opto-electronic receiver has a header which is shielded by a hollow cylindrical shielding collar.
- the hollow cylindrical shielding collar provides electromagnetic shielding as well.
- the opto-electronic transmitter may include a Vertical Cavity Surface Emitting Laser (VCSEL) or a conventional semiconductor laser mounted inside of the header.
- VCSEL Vertical Cavity Surface Emitting Laser
- the housing/shielding is a multi-sided conductive enclosure than can be formed out of sheet metal, plated plastic, conductive plastic or other electrically conductive material.
- sheet metal is etched or stamped to form the housing/shielding unit.
- the housing/shielding unit also includes a pair of flaps and a septum which allow it to be spot-welded, soldered, glued or otherwise fastened after it is attached to the module chassis frame.
- the housing/shielding unit forms an enclosure that surrounds the module chassis frame. Fingers or tabs extend from the housing/shielding unit to ground it to a bezel, a faceplate, backplate, or a wall of a housing of a host system.
- the fingers press against the bezel, backplate, faceplate or wall of the housing of the host system to seal electromagnetic radiation therein. In another embodiment, the fingers press against an opening in the bezel, the faceplate, backplate, or the wall of the housing of the host system to seal electromagnetic radiation therein.
- the grounding scheme for the fiber-optic module includes signal grounding and chassis grounding. Two grounds are utilized for isolation to prevent currents induced in the chassis ground from affecting the integrity of signal ground.
- Signal ground is provided through one or more ground pins of a transceiver printed circuit board (PCB) next to the signal pins.
- the one or more ground pins couple to ground traces on a printed circuit board of the host system.
- Chassis ground is established by coupling to an outer housing of the host system which is electrically isolated from the signal ground.
- the invention employs a housing/shielding unit that functions both as protective outer housing as well as an EMI shield or suppression device.
- the housing/shielding unit is a multi-sided enclosure which can be made from one piece or a single piece of sheet metal, plated plastic or other electrically conductive material having an opening at one end for receiving a fiber-optic connector to couple to one or more fiberoptic cables.
- the fiber-optic module 100 is a 1 ⁇ 9 fiber-optic transceiver module.
- the fiber-optic module is a duplex-SC transceiver designed for use in Gigabit Ethernet applications and is compliant with specifications for IEEE-802.3z Gigabit Ethernet (1000Base-SX) and Class 1 Laser Safety regulations, operates with 50/125 micrometer and 62.5/125 micrometer multimode optical fibers, has an Industry Standard 1 ⁇ 9 Footprint with integral duplex SC connector and meets a mezzanine height standard of 9.8 mm.
- the fiber-optic module 100 includes a one-piece or single-piece integrated housing/shielding unit 115 and a module chassis frame 120 .
- the fiber-optic module 100 with the one-piece or single-piece integrated housing/shielding unit 115 may also be referred to as a forward shield configuration.
- the housing/shielding unit 115 functions both as a housing and as an EMI shield.
- the housing/shielding unit 115 minimizes internal electromagnetic radiation from radiating outward and interfering with other electronic circuits and devices. It also minimizes external electromagnetic radiation from radiating inward and interfering with the operation of the fiber-optic module 100 .
- the module chassis frame 120 may be formed of a conductive material, such as a conductive plastic, to provide EMI shielding and to support other components assembled thereto.
- the housing/shielding unit 115 has a top side 116 , a left side 117 , a right side 118 , and a back side 119 illustrated in FIG. 1.
- a pair of tangs 114 A and 114 B are present in the back side 119 in order to couple the back side 119 together with the left side 117 and the right side 118 respectively.
- the left side 117 and the right side 118 each have a tang 114 A and 114 B bent into an opening of a respective flaps (not shown in FIG. 1).
- the housing/shielding unit 115 has one or more fingers 112 located near a nose 113 of the fiber-optic module 100 at the edges of a frontal opening 313 .
- the one or more fingers can also be referred to as tabs.
- the one or more fingers are similarly shaped having a body and a tip which is round in one embodiment.
- the body of the fingers 112 are bent outward from the main surface in one embodiment. In an alternate embodiment the tips may be slightly bent from the body of the fingers.
- the fingers can be equally sized and equally spaced or have different sizing and difference spacing between each. Fingers 112 A are located along an edge of top side 116 of the housing/shielding unit 115 .
- Fingers 112 B are located along an edge of side 117 of the housing/shielding unit 115 .
- Fingers 112 C are located along an edge of side 118 (not shown in FIG. 1) of the housing/shielding unit 115 .
- Fingers 112 D are located along an edge of side 119 (not shown in FIG. 1) of the housing/shielding unit 115 .
- Fingers 112 A, 112 B, 112 C and 112 D are generally referred to as fingers 112 .
- the fingers 112 have a forward curvature and are bent outwardly and slightly backwards from a frontal opening in the housing/shielding unit 115 as illustrated.
- the fingers 112 can be used to ground the housing/shielding unit 115 by coupling to a bezel or face-plate which is grounded.
- the fingers 112 are illustrated as being a plurality of fingers but can be one or more fingers on any one or all sides.
- the fiber-optic module 100 includes the housing/shielding unit 115 and the module chassis frame 120 .
- the housing/shielding unit further includes a septum (not shown in FIG. 2) and a nose strap 210 .
- the septum and nose strap are folded back into the frontal opening of the housing/shielding unit around the module chassis frame 120 .
- the electrical, optical and electro-optical components Prior to folding the septum and nose strap back into the frontal opening, the electrical, optical and electro-optical components are installed on the module chassis frame 120 which is then inserted into the housing 115 in one embodiment, or in another embodiment, the housing is folded around the module chassis frame 120 .
- the nose strap 210 and the septum hold the module chassis frame 120 in place within the housing 115 .
- the module chassis frame 120 includes one or more optical connector receptacles 211 with optical connector openings 212 .
- the one or more optical connector receptacles 211 are SC optical connector receptacles with the optical connector openings 212 being SC optical connector openings.
- FIG. 3 a rear view of the housing/shielding unit 115 is shown.
- the FIGS. 112A, 112B, 112 C, and 112 D are located along the edge of the frontal opening 313 of the housing/shielding unit 115 as shown.
- the housing/shielding unit 115 is a rectangular box made of sheet metal, plated plastic or any other electrically conductive material. Except for a single side of the housing/shielding unit 115 that is open so that the module chassis frame can be inserted into it, all other sides of the housing/shielding unit can be closed. Once the module chassis frame 120 is inserted into the housing/shielding unit 115 through the open side, it is closed to minimize electromagnetic radiation from the fiber optic module.
- FIG. 4A a bottom view of the housing/shielding unit 115 is shown.
- the housing/shielding unit 115 has an open region 400 in its bottom side.
- One or more fingers 112 C are located along the edge 419 of the housing/shielding unit 115 .
- the fingers 112 curve outward and point more forward from surfaces of the housing/shielding unit.
- the fingers 112 have spring-like resilience (i.e. spring loaded or flexible) and provide a mechanical and electrical contact between the fiber-optic module and a bezel, a face-plate or a wall (not shown in FIG. 4).
- the fingers 112 can also be referred to as spring fingers or forward fingers.
- the housing/shielding unit 115 forms an enclosure that surrounds the module chassis frame 120 . Fingers 112 A, 112 B, 112 C, and 112 D can ground the housing/shielding unit 115 to seal in electromagnetic radiation to avoid it affecting a host system, and to avoid the electromagnetic radiation of host system from leaking out through openings in the bezel, faceplate, or backplate.
- FIG. 4B a bottom left side isometric view of an alternate housing/shielding unit 115 ′ is shown.
- the housing/shielding unit 115 ′ differs from housing/shielding unit 115 in the strap, left side, right side, bottom side and the back side.
- the housing/shielding unit 115 ′ is additionally longer so that the fingers 112 are nearer the front of the optical connector openings 212 .
- back side 119 is replaced by back side 119 ′ with a retaining flap 429 ;
- left side flap 117 is replaced by left side flaps 117 A and 117 B separated by a left side slit 1511 L;
- right side flap 118 is replaced by right side flaps 118 A and 118 B separated by a right side slit 1511 R;
- bottom side flaps 402 A, 402 B, 405 A and 405 B are replaced by bottom side flaps 415 A and 415 B;
- strap 210 is replaced by strap 210 ′, septum 411 is replaced by septum 411 ′, and open region 400 is replaced by open region 400 ′.
- the housing/shielding unit 115 ′ and the housing/shielding unit 115 have similar elements and features including the one or more fingers 112 A, 112 D, 112 C, and 112 D.
- the housing/shielding unit 115 ′ forms an enclosure that surrounds the module chassis frame 120 or 120 ′. Fingers 112 A, 112 B, 112 C, and 112 D can ground the housing/shielding unit 115 ′ to seal internal electromagnetic radiation therein to avoid it affecting a host system and keep out external electromagnetic radiation to increase noise immunity of the electronic and opto-electronic components inside. It also minimizes the electromagnetic radiation of the host system from leaking out of openings in the bezel, faceplate, or backplate.
- the module chassis frame 120 ′ has a single pin opening 536 in its base 604 ′ through which all pins 612 may extend but otherwise is similar to the module chassis frame 120 .
- the module chassis frame 120 ′ includes the optical connector receptacles 211 at one end and a left wall 602 L and a right wall 602 R coupled to the base 604 ′ at an opposite end.
- the walls 602 l and 602 R each have a slot 634 L and 634 R respectively on their inside surfaces.
- the optical connector receptacles 211 have a rectangular opening or slot 626 along the width of the module chassis frame 120 ′.
- the housing/shielding unit 115 includes the front nose strap 210 and the septum 411 .
- the front nose strap 210 may be a metal or a plastic band used for fastening or clamping the module chassis frame 120 to the housing/shielding unit 115 .
- the front nose strap 210 can consists of three portions, a first extension portion 210 A, a wrap portion 210 B and a second extension portion 210 C.
- the wrap portion 210 B engages with the slot 638 of the module chassis frame 120 or 120 ′.
- the septum 411 can also be welded or bonded to bottom flaps of the housing/shielding unit 115 to hold the module chassis frame therein.
- the housing/shielding unit 115 ′ includes the front nose strap 210 ′ and the septum 411 ′.
- the front nose strap 210 ′ may be a metal or a plastic strap used to fasten or clamp the module chassis frame 120 or 120 ′ to the housing/shielding unit 115 ′.
- the front nose strap 210 ′ is a single portion compared to the first extension portion 210 A, wrap portion 210 B and second extension portion 210 C of the front nose strap 210 .
- the nose strap 210 ′ engages with the slot 638 of the module chassis frame 120 or 120 ′.
- the septum 411 ′ can be welded or bonded to bottom flaps of the housing/shielding unit 115 ′ to hold the module chassis frame therein.
- the fiber-optic module 100 includes the integrated one-piece housing/shielding unit 115 , the module chassis frame 120 , and other optical, electrical and opto-electronic components.
- the module chassis frame 120 includes the optical connector receptacles 211 at one end and a left wall 602 L and a right wall 602 R coupled to a base 604 at an opposite end.
- the walls 602 l and 602 R each have a slot 634 L and 634 R respectively on their inside surfaces.
- the optical connector receptacles 211 have a rectangular opening or slot 626 along the width of the module chassis frame 120 .
- the base 604 has one or more pin openings 636 .
- the optical, electrical and opto-electronic components of the fiber-optic module 100 are assembled into the module chassis frame 120 .
- the components include a printed circuit board (PCB) 610 , a packaged transmitter 620 for transmitting optical signals, a packaged receiver 621 for receiving optical signals, a pair of shielding collars 622 A and 622 B, a pair of SC connectors 650 A and 650 B, and a U-Plate 624 .
- the shielding collars 622 A and 622 B can be formed from rolled sheet metal, a plated plastic, a conductive plastic, or other conductive material formed into a hollow cylinder.
- the transmitter 620 is an 850-nm VCSEL and the receiver 621 an integrated GaAs PIN-preamplifier or PIN-diode.
- the printed circuit board 610 includes one or more PCB signal pins 612 , edge traces 614 on each side for straddle mounting the transmitter 620 and the receiver 621 , and integrated circuits 616 for processing signals between the signal pins 612 and the transmitter 620 and the receiver 621 .
- the integrated circuits 616 may use a five volt (5v), a three volt (3v) or other common power supply voltage used in integrated circuits and host systems.
- the PCB signal pins 612 can include a transmit ground pin for transmitter components and a receive ground pin for receiver components. In an alternate embodiment, a single ground pin for electronic components may be provided, isolated from any shielding ground features for the fiber-optic module.
- the printed circuit board (PCB) 610 may have a ground plane on its top or bottom surfaces to couple to ground and further provide electromagnetic shielding.
- the module chassis frame 120 includes a rectangular opening or slot 626 , a pair of mounting posts 632 extending from its base 604 near left and right sides, slots 634 L and 634 R on inner sides of the walls 602 L and 602 R, one or more pin openings 636 , and one or more optical connector receptacles 211 with one or more optical connector openings 212 .
- the one or more optical connector openings 212 is two and the optical connector openings are SC optical connector openings for a duplex SC optical connection.
- the one or more optical connector openings 212 is separated by a slot 638 .
- the rectangular opening 626 receives the U-plate 624 .
- the one or more pin openings 636 receives the one or more PCB signal pins 612 .
- the slots 634 L and 634 R are press-fit slots and receive the sides of the printed circuit board 610 .
- the pair of mounting posts 632 allow the transceiver to be mechanically coupled to a printed circuit board or the like.
- the mounting posts 632 can also be connected to chassis ground but should not be connected to signal ground.
- the grounding scheme of the fiber-optic module can be divided into categories of signal grounding and chassis grounding.
- the separation of signal grounding from chassis grounding can keep currents induced in a chassis ground from affecting signal integrity.
- Signal ground is through one or more ground pins of the PCB pins 612 coupled from the PCB 610 to a ground trace in a host printed circuit board.
- the housing/shielding unit 115 or 115 ′ is part of the chassis ground and electrically isolated from the signal ground,
- the housing/shielding unit 115 or 115 ′ couples to chassis ground of a host system through one or more of the fingers.
- the one or more fingers couple to a host panel near a host panel opening through which the fiber-optic module may extend.
- the fingers surround the host panel opening and effectively reduce the size of the opening through which radiated electromagnetic energy may escape to seal the host panel opening through which the fiber-optic module may protrude.
- the housing/shielding unit 115 or 115 ′ coupled to chassis ground, it acts as a plug to block EMI radiated emissions from escaping.
- the smaller the host panel opening the greater the shielding effectiveness as the host system begins to resemble a Faraday cage.
- the packaged transmitter 620 may contain a VCSEL or a conventional semiconductor laser and is mounted inside the transmitter port 623 A.
- the packaged receiver 621 may include a PIN diode that is mounted inside the receiver port 623 B.
- the transmitter and receiver are each packaged into a TO package and may be referred to as the Tx Header and Rx Header respectively.
- Each of the packaged transmitter 620 and receiver 621 have one or more pins or terminals 619 which couple to the edge traces 614 on each side of the printed circuit board 610 to straddle mount them.
- the SC connectors 650 A and 650 B include a lens 651 A and 651 B mounted inside ports 623 A and 623 B respectively.
- the ports can also be referred to as TO-can receptacles, TO-can holders, lens holders, etc.
- Semiconductor lasers and/or PINs can be mounted into metal TO-cans, which are then aligned into the ports or receptacles.
- the ports or receptacles have lenses between the fiber ferrules and the TO-cans. Note that lasers and photodiodes are not required to be packaged in TO-cans and can be packaged in other ways to mate with various shaped ports or receptacles.
- Each of the SC connectors 650 A and 650 B further includes a pair of snap lock clips 652 each having a retaining protrusion 653 , ferrule barrels 654 , support struts 656 in a front portion.
- Each of the SC connectors 650 A and 650 B further includes circular recesses 657 between each of the headers 623 A and 623 B and their respective flanges 655 in a rear portion. Each of the circular recesses 657 mates with the U-shaped openings 627 of the U-plate 624 .
- the transmitter package is assembled to the SC connector to form the Transmitter Optical Subassembly (Tx OSA).
- This Transmitter Optical Subassembly is then soldered onto the PCB 610 .
- the pair of shielding collars 622 A and 622 B are attached with solder to the rear of the ports 623 A and 623 B.
- the PCB 610 may be secured by two press-fit slots, one in each inner side of the module chassis frame 120 .
- the U-plate 624 provides additional EMI sealing by minimizing leakage through the front of the module.
- the U-plate 624 also includes a flap 625 located at its top side.
- the U-plate 624 is electrically grounded to the housing/shielding unit 115 by the flap 625 making physical contact with the housing/shielding unit 115 .
- the optical, electro-optical, and the electronic components are assembled into the module chassis frame 120 or 120 ′ before the housing/shielding unit 115 encloses it.
- the transmitter 620 and the receiver 621 have their pins 619 coupled to the traces 614 T and 614 B of the printed circuit board 610 .
- the pins 619 are straddle mounted to the printed circuit board 610 with some pins 619 coupled to the traces 614 T on a top side of the PCB 610 and other pins 619 coupled to the traces 614 B on a bottom side of the PCB 610 . That is, one or more pins mount to one or more traces on one side of the printed circuit board and another one or more pins mount to one or more traces on an opposite side of the printed circuit board.
- the shielding collars 622 A and 622 B are inserted over the ports 623 A and 623 B of the connectors 650 A and 650 B respectively to provide EMI shielding.
- the TO packaged transmitter 620 and receiver 621 are coupled into the ports 623 B and 623 A respectively. This forms the optical subassembly which is then attached to the electrical components that is in turn coupled into the module chassis frame 120 .
- the front portion of the connectors 650 A and 650 B are inserted into openings 212 in the nose of the module chassis frame 120 so that the pairs of snap lock clips 652 of each are nearly flush.
- the U-plate 624 is inserted into opening 626 so that its U-openings 627 fit into the circular recesses 657 of each respective connector 650 A and 650 B.
- the Up-late 624 holds the subassembly of the optical and electrical components coupled into the module chassis frame 120 . Additionally, the U-plate 624 can couple to the shielding collars 622 A and 622 B and the housing/shielding unit 115 or 115 ′.
- the flap 625 of the U-plate 624 couples to the housing/shielding unit 115 or 115 ′ when the fiber-optic module is fully assembled.
- the TO-can headers of the receiver and transmitter are coupled to signal ground or the respective receiver ground and transmitter ground.
- the housing/shielding unit 115 or 115 ′ can then be assembled around it. Assembly of the housing/shielding unit 115 or 115 ′ with the module chassis frame 120 or 120 ′ can be performed in different ways.
- the housing/shielding unit 115 or 115 ′ can be formed out of a single sheet of material. It can then be folded around the module chassis frame 120 or 120 ′ with the affixed subassembly of optical and electrical components. Alternatively, the housing/shielding unit 115 or 115 ′ can be pre-folded out of the single sheet of material but for one opening at a front or rear end. The module chassis frame 120 or 120 ′ with an affixed subassembly of optical and electrical components can then be inserted into the opening at the front or rear end of the housing/shielding unit 115 or 115 ′.
- the housing/shielding unit 115 has all sides pre-folded but for the back side 119 .
- the back side 119 is left unfolded so that the module chassis frame 120 can be inserted through a rear opening of the housing/shielding unit 115 .
- a nose end of the module chassis frame 120 and the subassembly of optical and electrical components affixed thereto is inserted through the rear opening in the back of the housing/shielding unit 115 with its nose facing forward.
- the back side 119 is then folded down to have the tangs 114 A and 114 B bent inward to mate with window openings of flaps coupled to each side 117 and 118 to finish assembly of the housing/shielding unit 115 around the module chassis frame 120 .
- the housing/shielding unit 115 has all sides pre-folded but for the septum 411 and strap 210 .
- the septum 411 and strap 210 are left unfolded so that the module chassis frame 120 can be inserted through a frontal opening of the housing/shielding unit 115 .
- the septum 411 and strap 210 are then folded around the module chassis frame 120 to form the housing/shielding unit 115 .
- a rear end of the module chassis frame 120 and the affixed subassembly of optical and electrical components is inserted through the frontal opening of the housing/shielding unit 115 so that the rear faces rearward.
- the septum 411 and strap 210 are then folded down and around as illustrated in FIG. 5 to finish assembly of the housing/shielding unit 115 around the module chassis frame 120 .
- all sides of the housing/shielding unit 115 are folded around the module chassis frame 120 and its affixed components. These methods of assembly are further described below with reference to FIGS. 14 - 17 C.
- the septum 411 is welded, soldered, glued, or otherwise fastened to the pair of flaps 402 A and 402 B as shown in FIG. 4.
- FIG. 7 an perspective view of a housing/shielding unit 715 and the module chassis frame 120 for a fiber-optic module 700 are illustrated.
- the housing/shielding unit 715 is somewhat similar to the housing/shielding unit 115 but has slightly different dimensions, a few different features and employed in different mounting configurations.
- the housing/shielding unit 715 has one or more fingers 712 which are carved out of the surfaces near the perimeter 735 of an open end 739 .
- the one or more fingers can also be referred to as tabs.
- the one or more fingers are similarly shaped having a body and a tip which is round in one embodiment.
- the body of the fingers 712 is bent from the main surface while the tips may be slightly bent from the body to horizontal with the surface.
- the fingers 712 have a backwards orientation, originating at the front or nose of the fiber-optic module 700 .
- the one or more fingers 712 may also be referred to as backward fingers and the fiber-optic module 700 with the housing/shielding unit 715 may also be referred to as a fiber-optic module with a backward shield configuration.
- the fingers 712 can be grouped into fingers 712 A and fingers 712 C located on a top 716 and a bottom 730 respectively of the housing/shielding unit 715 . Fingers 712 B and 712 D are located along the edges of the opening of the housing/shielding unit 715 .
- FIG. 7 illustrates six fingers 712 A on a top side 716 and six fingers 712 C on a bottom side 730 , two fingers 712 B on a left side 717 , and two fingers 712 D on a right side 718 , one or more fingers 727 can provide a means of grounding the housing/shielding unit 715 .
- the housing/shielding unit 715 differs further from the housing/shielding unit 115 in that it has a different nose strap 710 .
- the strap 710 and the septum 711 function similarly to the strap 210 ′ and the septum 411 of the housing/shielding unit 115 ′. Because the dimensions of the housing/shielding unit 715 are larger so that it can extend further forward through an opening, the strap 710 differs significantly from the strap 210 of the housing/shielding unit 115 .
- the housing/shielding unit 715 generally has the shape of an oblong box having six sides.
- Front side 738 has a frontal opening 739 where the module chassis frame 120 can be inserted.
- the front side 738 of the housing/shielding unit 715 includes the septum 710 that is welded or bonded to the flaps 910 A and 910 B.
- the nose strap 711 also located at the opening 739 is used for strapping the housing/shielding unit to the module chassis frame 120 .
- FIG. 9A a bottom isometric view of the housing/shielding unit is shown. Attached to the open end 911 is a front strap 710 shown in the folded down position. Also shown, are two bottom flaps 910 A and 910 B for welding or bonding to septum 711 .
- FIG. 8B a front view an alternate embodiment of the housing/shielding unit 715 ′ is shown.
- the housing/shielding unit 715 ′ generally has a similar shape to the housing/shielding unit 715 .
- the housing/shielding unit 715 ′ differs from housing/shielding unit 715 in the left side, right side, bottom side and the back side.
- back side 719 is replaced by back side 719 ′ with a retaining flap 429 ;
- left side flap 717 is replaced by left side flaps 717 A and 717 B separated by a left side slit 1611 L;
- right side flap 718 is replaced by right side flaps 718 A and 718 B separated by a right side slit 1611 R;
- bottom side flaps 910 A and 910 B are replaced by bottom side flaps 910 A′ and 910 B′.
- the housing/shielding unit 715 ′ and the housing/shielding unit 715 have similar elements and features including the one or more fingers 712 A, 712 B, 712 C, and 712 D.
- the housing/shielding unit 715 ′ forms an enclosure that surrounds a module chassis frame 120 or 120 ′. Fingers 712 A, 712 B, 712 C, and 712 D can ground the housing/shielding unit 715 ′ to seal in electromagnetic radiation (EMI) to minimize affecting a host system.
- EMI electromagnetic radiation
- FIG. 9B a bottom isometric view of the alternate housing/shielding unit 715 ′ is shown. Attached to the open end 911 is a front strap 711 shown in the folded down position. Also shown, are two bottom flaps 910 A′ and 910 B′ for welding or bonding to septum 710 .
- the fiber-optic module 700 is a 1 ⁇ 9 fiber-optic transceiver module.
- the fiber-optic module transceiver complies with the industry standard 1 ⁇ 9 footprint and meets the mezzanine height requirement of 9.8 mm.
- the grounding scheme of the fiber-optic module can be divided into categories of signal grounding and chassis grounding.
- the separation of signal ground from chassis ground can keep currents induced in a chassis ground from affecting signal integrity.
- Signal ground is through one or more ground pins of the PCB pins 612 coupled from the PCB 610 to a ground trace in a host printed circuit board.
- the housing/shielding unit 715 or 715 ′ is part of the chassis ground and electrically isolated from the signal ground.
- the housing/shielding unit 715 or 715 ′ couples to chassis ground of a host system through one or more of the fingers 712 .
- the one or more fingers 712 couple to a host panel near a host panel opening through which the fiber-optic module may extend.
- the fingers 712 contact the host panel opening and effectively reduce the size of the opening through which radiated electromagnetic energy may escape to seal the host panel opening through which the fiber-optic module may protrude.
- the housing/shielding unit 715 or 715 ′ coupled to chassis ground, it acts as a plug to block EMI radiated emissions from escaping.
- the smaller the host panel opening the greater the shielding effectiveness as the host system begins to resemble a Faraday cage.
- the fiber-optic module 700 of the invention includes a housing/shielding unit 715 or 715 ′, and a module chassis frame 120 or 120 ′.
- the optic, electronic, and opto-electronic components of the fiber-optic module are placed into the module chassis frame 120 . These components and their assembly were previously described with reference to FIG. 6 and the fiber-optic module 100 and are not repeated again for brevity.
- the housing/shielding unit 715 or 715 is assembled around the module chassis frame and the optic, electronic, and opto-electronic components affixed thereto, it can couple to the flap 625 of the U-plate 624 so that it an be electrically grounded to chassis ground.
- the U-plate 624 can couple to the shielding collars 622 A and 622 B. This can electrically connect the collars 622 A and 622 B, the U-plate 624 and the housing/shielding unit 715 or 715 ′ together if all are formed of conductive materials. Assuming they are electrically connected, grounding the housing/shielding unit 715 or 715 ′ to chassis ground of a host system can also couple chassis ground into the U-plate 624 and the shielding collars 622 A and 622 B for electromagnetic shielding externally as well as internally.
- the housing/shielding unit 715 or 715 ′ can then be assembled around it. Assembly of the housing/shielding unit 715 or 715 ′ around the module chassis frame 120 can be performed in the same ways previously described for the housing/shielding unit 115 or 115 ′.
- the fiber-optic module 700 includes a backward shield which is provided by the one-piece or single-piece integrated housing/shielding unit 715 or 715 ′.
- the fiber-optic module 700 with the one-piece or single-piece integrated housing/shielding unit 715 or 715 ′ provides an extended mount as illustrated by its nose extending beyond a bezel, faceplate, or backplate.
- the host system may be a hub, switch, bridge, server, personal computer, or other network or electronic equipment desiring to connect to a communication system using an fiber-optic module.
- the fiber-optic module 700 is coupled to a printed circuit board 1130 within the host system.
- a bezel, faceplate, or backplate 1110 of the host system has a transceiver opening 1112 through which the nose of the fiber-optic module extends when its coupled to the host system.
- the transceiver opening 1120 of the bezel 1110 is sized to appropriately mate with the fingers 712 of the fiber-optic module 700 .
- the opening 1120 has an inner surface 1114 which mates with the fingers 712 to make an electrical coupling. By making contact to the inner surface 1114 , a backside surface of the bezel 1110 can be insulated to avoid shorting an electrical component that might make contact thereto.
- the fingers 712 compress towards the fiber-optic module when mating with the inner surface 1114 and expand outward to form a tight mechanical fit and a reliable electrical connection.
- the expansion of the fingers 712 outward effectively make the opening 1120 smaller through which radiated electromagnetic energy might otherwise escape.
- the fingers 712 also deter the nose of the fiber-optic module 700 from extending excessively out through the opening 1120 of the bezel 1110 .
- the housing/shielding unit 715 of the fiber-optic module can be grounded by one or more fingers 712 coupling to the inner surface 1114 of the opening 1120 .
- the housing/shielding unit 715 of the transceiver 700 can be grounded through a pin or other connection coupled to the PCB 1130 of the host system.
- FIGS. 12A and 12B a magnified side view and a magnified frontal view of the fiber-optic module 100 within a host system is illustrated.
- the host system may be a switch, bridge, a server, personal computer, or other network or electronic equipment desiring to connect to a communication system using an fiber-optic module.
- the fiber-optic module 100 is coupled to a printed circuit board 1130 within the host system.
- a bezel, faceplate, or backplate 1210 of the host system has a transceiver opening 1220 through which the nose of the fiber-optic module partially extends when coupled to the host system.
- the fiber-optic module 100 a forward shield configuration with the one-piece or single-piece integrated housing/shielding unit 115 or 115 ′, provides a flush mount as illustrated by FIG. 12A.
- the transceiver opening 1220 of the bezel 1210 is sized appropriately to allow insertion of a fiber-optic connector into the fiber-optic module 100 .
- the bezel, faceplate, or backplate 1210 of the host system has a backside surface 1214 to which the fingers 112 can make an electrical and a mechanical coupling. Furthermore, the fingers 112 deter the EMI of both the fiber-optic module 100 and the host system board 1130 from extending excessively out through the transceiver opening 1212 of the bezel 1210 .
- the housing/shielding unit 115 of the fiber-optic module 100 can be grounded by one or more fingers 112 coupling to the back side surface 1214 of the bezel 1210 .
- the housing/shielding unit 115 or 115 ′ of the fiber-optic module 100 can be grounded through a pin or other grounding feature that is coupled to a chassis ground trace of the PCB 1130 of the host system commonly coupled to the bezel.
- an exemplary host system 1300 having the fiber-optic module 100 and the fiber-optic module 700 .
- the host system 1300 has a bezel, a faceplate or a host panel 1310 with opening 1120 and opening 1220 for the fiber-optic module 700 and the fiber-optic module 100 respectively.
- the fiber-optic module 700 is coupled to host printed circuit board 1130 .
- the fiber-optic module 100 is coupled to host printed circuit board 1130 ′.
- the host printed circuit boards 1130 and 1130 ′ may include a ground plane on a top surface or bottom surface under the area of the fiber optic module 100 and 700 in order to provide additional electromagnetic shielding.
- the host system 1300 begins to resemble a Faraday cage.
- the housing/shielding unit 115 , 115 ′, 715 , 715 ′ effectively seals openings 1120 and 1220 in the host panel 1310 to deter electromagnetic radiation from leaking into or out of the host system.
- the one or more fingers 112 of the housing/shielding unit 115 or 115 ′ can surround the opening 1220 .
- the one or more fingers 112 of the housing/shielding unit 115 or 115 ′ can expand into the opening 1120 . With the housing/shielding unit 115 or 115 ′ coupled to chassis ground, it acts as a plug to block EMI radiated emissions from escaping.
- the fiber-optic modules 100 and 700 are designed to perform to these specified limits of EMI including complying with FCC Class B limits.
- the fiber-optic modules 100 and 700 are also designed to provide good noise immunity from externally generated radio-frequency electromagnetic fields.
- EMC electromagnetic compliance
- the internal shields 622 A and 622 B a metal or conductive plastic module chassis frame 120 or 120 ′, and the housing/shielding unit 115 , 115 ′, 715 or 715 ′ with fingers 112 or 712 respectively of the fiber-optic modules 100 and 700 .
- the fiber-optic modules 100 and 700 are further designed to meet Class 1 eye safety and comply with FDA 21CFR1040.10 and 1040.11 and the IEC 825-1.
- FIGS. 14 - 17 C methods of forming the housing/shielding units 115 ′ and 715 ′ out of a sheet of a material layer and assembly with the module chassis frame 120 or 120 ′ is illustrated.
- FIG. 14 a starting sheet of a layer of material 1400 for the housing/shielding units 115 , 115 ′, 715 and 715 ′ is illustrated.
- the sheet of material 1400 is a conductive material and can be a metal, a plated plastic, a conductive plastic or other known type of electrically conductive material.
- a first step in the process is to stamp, etch or cut the patterns for the housing/shielding unit 115 , 115 ′, 715 or 715 ′ out of the sheet of material 1400 .
- the unfolded flat pattern layout 1500 is a patterned material layer for the housing/shielding unit 115 ′ formed out of the starting sheet of the layer of material 1400 .
- the forward fingers 112 , tangs 114 A and 114 B, strap 210 and the septum 411 ′ of the housing/shielding unit 115 ′ are easily discernable.
- a pair of left and right window openings 1522 L and 1522 R are also visible in the unfolded flat pattern layout 1500 .
- fold/bend lines are illustrated on the unfolded flat pattern layout 1500 to form the housing/shielding unit 115 ′.
- a slightly alternate pattern and alternate fold/bend lines can be utilized to form the housing/shielding unit 115 .
- the fold/bend lines illustrated on the unfolded flat pattern layout 1500 make other features and components of the housing/shielding unit 115 ′ discernable.
- left flap and right flap fold lines 1502 L and 1502 R include left flap and right flap fold lines 1502 L and 1502 R, a back flap fold line 1504 , left and right tang fold lines 1505 L and 1505 R, a retaining flap fold line 1506 , left wing and right wing fold lines 1508 L and 1508 R, finger base bend line 1512 , left bottom flap and right bottom flap fold lines 1514 L and 1514 R, a strap fold line 1516 , and a septum fold line 1517 .
- a left wing 1520 L and a right wing 1520 R include tang window openings 1522 L and 1522 R respectively.
- the tangs 114 A and 114 B mate with the tang window openings 1522 L and 1522 R respectively to hold the left wing and right wing coupled to the back side 119 ′ after folding.
- the septum 411 ′ is coupled to the right bottom flap 415 A and the left bottom flap 415 B with an adhesive or a weld to hold the housing/shielding unit and the module chassis frame assembled together.
- the left wing fold line 1508 L defines the left wing 1520 L from the left side flap 117 B.
- the right wing fold line 1508 R defines the right wing 1520 R from the right side flap 118 B.
- the right side fold line 1502 R and the right side slit 1511 R defines right flaps 118 A and 118 B from the top side 116 .
- the left side fold line 1502 L and the left side slit 1511 L defines left flaps 117 A and 117 B from the top side 116 .
- the right bottom flap fold line 1514 R defines the right bottom flap 415 A.
- the left bottom flap fold line 1514 L defines the left bottom flap 415 B.
- the retaining flap fold line 1506 defines a retaining flap 429 coupled to the back side flap 119 ′.
- the fold/bend lines illustrated on the unfolded flat pattern layout 1500 are folded and/or bent to form the housing/shielding unit 115 ′ as illustrated in FIG. 4B.
- the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of the tangs 114 A and 114 B and fingers.
- the fingers 112 may be first bent or lastly bent to curve outward along the bend lines 1512 .
- the left flaps 117 A and 117 B and the right flaps 118 A and 118 B may be the next to be folded or they may be the first to be folded along fold lines 1502 L and 1502 R.
- the right bottom flap 415 A and the left bottom flap 415 B are next folded along the right bottom flap fold line 1514 R and the left bottom flap fold line 1514 L respectively.
- the next sequence of fold/bend steps can depend upon the method of assembly of the fiber-optic module utilized.
- the front of the housing/shielding unit 115 ′ is assembled first.
- the septum 411 ′ is folded along fold line 1517 and then the strap 210 ′ is folded along fold line 1516 .
- the left wing 1520 L and the right wing 1520 R being folded along the left wing fold line 1508 L and the right wing fold line 1508 R respectively;
- the back side flap 119 ′ being folded along the fold line 1504 ;
- the tangs 114 A and 114 B being folded along fold lines 1505 L and 1505 R respectively;
- the retaining flap 429 being folded along the retaining flap fold line 1506 .
- the rear of the housing/shielding unit 115 ′ is assembled first.
- the left wing 1520 L and the right wing 1520 R are folded along the left wing fold line 1508 L and the right wing fold line 1508 R respectively;
- the back side flap 119 ′ is folded along the fold line 1504 ;
- the tangs 114 A and 114 B are folded along fold lines 1505 L and 1505 R respectively;
- the retaining flap 429 is folded along the retaining flap fold line 1506 .
- the septum 411 ′ being folded along fold line 1517 and then the strap 210 ′ folded along fold line 1516 .
- either order of assembly in the first or second case can be utilized or mixed together.
- the one or more fingers 112 may alternately be bent outward from a frontal opening the into their curved shape as a last step in the folding/bending process.
- a slightly alternate pattern of the layout 1500 with alternate fold/bend lines is utilized to fold and bend into shape to form the housing/shielding unit 115 as illustrated in FIGS. 1 - 3 , 4 A, 5 and 12 A.
- the unfolded flat pattern layout 1500 is a patterned material layer for the housing/shielding unit 115 formed out of the starting sheet of the layer of material 1400 .
- the forward fingers 112 , tangs 114 A and 114 B, strap 210 and a septum 411 of the housing/shielding unit 115 are easily discernable.
- the pair of left and right window openings 1522 L and 1522 R are also visible in the unfolded flat pattern layout 1500 ′.
- fold/bend lines are illustrated on the unfolded flat pattern layout 1500 ′ to form the housing/shielding unit 115 .
- the fold/bend lines illustrated on the unfolded flat pattern layout 1500 ′ make other features and components of the housing/shielding unit 115 discernable.
- the fold/bend lines illustrated in FIG. 15D make other features and components of the housing/shielding unit 115 discernable.
- 15D include left flap and right flap fold lines 1502 L′ and 1502 R′, a back flap fold line 1504 , left and right tang fold lines 1505 L and 1505 R, left wing and right wing fold lines 1508 L and 1508 R, finger base bend line 1512 , left bottom flap and right bottom flap fold lines 1514 L′ and 1514 R′, a first strap fold line 1516 ′, and a second strap fold line 1517 ′.
- the fold bend lines of the unfolded flat pattern layout 1500 ′ are similar to the fold/bend lines of the unfolded flat pattern layout 1500 but for left flap and right flap fold lines 1502 L′ and 1502 R′, left bottom flap and right bottom flap fold lines 1514 L′ and 1514 R′, a first strap fold line 1516 ′, and a second strap fold line 1517 ′.
- the right side fold line 1502 R′ defines the right flap 118 from the top side 116 .
- the left side fold line 1502 L′ defines left flap 117 from the top side 116 .
- the right bottom flap fold line 1514 R′ defines the right bottom flaps 402 A and 405 A.
- the left bottom flap fold line 1514 L′ defines the left bottom flaps 402 B and 405 B.
- the back fold line 1504 defines the back side flap 119 from the top side 116 .
- the first strap fold line 1516 ′ and the second strap fold line 1517 ′ define the first extension portion 210 A, the wrap portion 210 B and the second extension portion 210 C of the strap 210 .
- the strap 210 is folded along the first strap fold line 1516 ′ and the second strap fold line 1517 ′.
- the septum 411 can couple to the right bottom flaps 402 A and 405 A and the left bottom flaps 402 B and 405 B with an adhesive or a weld to hold the housing/shielding unit and the module chassis frame assembled together.
- the fold/bend lines illustrated on the unfolded flat pattern layout 1500 ′ are folded and/or bent to form the housing/shielding unit 115 as illustrated in FIGS. 1, 2, 3 , and 4 A.
- the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of the tangs 114 A and 114 B and fingers 112 .
- the fingers 112 may be first bent or lastly bent to curve outward along the bend lines 1512 .
- the left flap 117 and the right flap 118 may be the next to be folded or they may be the first to be folded along fold lines 1502 L′ and 1502 R′.
- the right bottom flaps 402 A and 405 A and the left bottom flaps 402 B and 405 B are next folded along the right bottom flap fold line 1514 R′ and the left bottom flap fold line 1514 L′ respectively.
- the next sequence of fold/bend steps can depend upon the method of assembly of the fiber-optic module utilized. These were previously described with reference to the unfolded flat pattern layout 1500 of FIG. 15B.
- the unfolded flat pattern layout 1600 is a patterned material layer for the housing/shielding unit 715 ′ formed out of the starting sheet of the layer of material 1400 .
- the backward fingers 712 , tangs 114 A and 114 B, strap 710 and the septum 711 of the housing/shielding unit 715 ′ are easily discernable.
- a pair of left and right window openings 1622 L and 1622 R are also visible in the unfolded flat pattern layout 1600 .
- fold/bend lines are illustrated on the unfolded flat pattern layout 1600 to form the housing/shielding unit 715 ′.
- a slightly alternate pattern and alternate fold/bend lines can be utilized to form the housing/shielding unit 715 .
- the fold/bend lines illustrated on the unfolded flat pattern layout 1600 make other features of the housing/shielding unit 715 ′ discernable.
- the fold/bend lines illustrated in FIG. 16B include left flap and right flap fold lines 1602 L and 1602 R, back flap fold line 1604 , left and right tang fold lines 1605 L and 1605 R, retaining flap fold line 1606 , left wing and right wing fold lines 1608 L and 1608 R, finger base bend line 1612 B, finger tip bend line 1612 T, left bottom flap and right bottom flap fold lines 1614 L and 1614 R, strap fold line 1616 , septum fold line 1617 .
- the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of the tangs 114 A and 114 B and fingers.
- a left wing 1620 L and a right wing 1620 R include window openings 1622 L and 1622 R respectively.
- the tangs 114 A and 114 B mate with the window openings 1622 L and 1622 R respectively to hold the left wing and right wing coupled to the back side 719 ′ after folding.
- the left wing fold line 1608 L defines the left wing 1620 L from the left side flap 717 B.
- the right wing fold line 1608 R defines the right wing 1620 R from the right side flap 718 B.
- the right side fold line 1602 R and the right side slit 1611 R defines right flaps 718 A and 718 B from the top side 716 .
- the left side fold line 1602 L and the left side slit 1611 L defines left flaps 717 A and 717 B from the top side 716 .
- the right bottom flap fold line 1614 R defines the right bottom flap 910 A′.
- the left bottom flap fold line 1614 L defines the left bottom flap 910 B′.
- the retaining flap fold line 1606 defines a retaining flap 1626 coupled to the back side flap 719 ′.
- the fold/bend lines illustrated on the unfolded flat pattern layout 1600 are respectively folded and/or bent to form the housing/shielding unit 715 ′ as illustrated in FIGS. 8B and 9B.
- the sequence of folding and bending of the fold lines in the unfolded flat pattern layout 1600 is similar to that of the unfolded flat pattern layout 1500 but for the fingers.
- the fingers 712 for the housing/shielding unit 715 ′ or 715 are generally easier to push or pull out of the surface of the unfolded flat pattern layout 1600 first. Then, the sequence of folding and bending can proceed similarly for any of the three methods of assembly previously described.
- FIGS. 17 A- 17 C methods of assembly of the housing/shielding units 115 and 715 with the module chassis frame 120 is illustrated.
- the layout 1500 or 1600 are placed on top of the module chassis frame 120 .
- Folding and bending is then performed around the module chassis frame 120 or 120 ′ along the fold lines and bend lines described in FIGS. 15 A- 15 B or 16 A- 16 B respectively to form the housing/shielding unit 115 , 115 ′, 715 or 715 ′.
- the housing/shielding unit 115 , 115 ′, 715 or 715 ′ then surrounds the module chassis frame 120 or 120 ′.
- the tangs 114 A and 114 B are then folded into the window openings 1522 L and 1522 R or 1622 L and 1622 R. This results in a substantially complete fiber-optic module such as fiber-optic module 100 illustrated in FIG. 1 for example.
- the layout 1500 or 1600 is first folded and bent along the fold lines and bend lines described in FIGS. 15 A- 15 B or 16 A- 16 B respectively but for fold lines 1516 and 1517 or 1616 and 1617 .
- the module chassis frame 120 or 120 ′ with the affixed components is inserted into the frontal opening with its rear entering first. Then the strap 210 , 210 ′ or 710 and the septum 411 or 711 are then folded fold lines 1516 and 1517 or 1616 and 1617 as described in FIGS. 15 A- 15 B and FIGS.
- the septum 411 or 711 is affixed in place by being welded by spot welding, soldered with a solder, glued with an adhesive or otherwise fastened to a pair of bottom flaps. This results in a substantially complete fiber-optic module such as fiber-optic module 100 illustrated in FIG. 1 for example.
- the layout 1500 or 1600 is first folded and bent along the fold lines and bend lines described in FIGS. 15 A- 15 B or 16 A- 16 B respectively but for fold lines 1504 , 1505 L, 1505 R, 1506 , 1508 L and 1508 R or 1604 , 1605 L, 1605 R, 1606 , 1608 L and 1608 R.
- the septum 411 or 711 is affixed in place by glue or welding. This leaves the rear of the housing/shielding unit 115 , 115 ′, 715 or 715 ′ open without the back side flap 119 ′ or 719 ′ and the left and right wings 1520 L or 1620 L and 1520 L or 1620 R being folded.
- the front end of the module chassis frame 120 or 120 ′ with the affixed components is inserted into the rear opening of the housing/shielding unit, nose first.
- the left and right wings 1620 L and 1620 R are then folded followed by back side flap 119 ′ or 719 ′ along fold lines 1504 , 1506 , 1508 L and 1508 R or 1604 , 1606 , 1608 L and 1608 R as shown and described in FIGS. 15 A- 15 B or 16 A- 16 B respectively.
- the tangs 114 A and 114 B are then folded along fold lines 1505 L and 1505 R or 1605 L and 1605 R into the openings 1522 L and 1522 R or 1622 L and 1622 R respectively.
- the housing/shielding unit 115 , 115 ′, 715 or 715 ′ is held around the module chassis frame 120 or 120 ′. This results in a substantially complete fiber-optic module such as fiber-optic module 100 illustrated in FIG. 1 for example.
- Fingers of a housing/shielding unit can deter electromagnetic radiation from leaking out of the opening by expanding and/or surrounding one or more portions of the opening or expanding into host tabs as will be illustrated below. In either case the fingers of the housing/shielding unit can make a connection to ground for the shielded housing/cover.
- Fiber optic module 2400 includes a shielded housing/cover 2415 as well as other elements previously described in reference to fiber optic modules 100 , 100 ′, 700 or 700 ′.
- the shielded housing/cover 2415 maybe an integrated one-piece housing/cover or a two-piece housing/cover.
- the shielded housing/cover includes a front-shielded housing/cover 2415 A and rear shielded housing/cover 2415 B.
- the rear shielded housing/cover 2415 B overlaps a portion of the front-shielded housing/cover 2415 A.
- the front shielded housing/cover 2415 A could overlap a portion of the rear housing/cover 2415 B.
- the fiber optic module 2400 provides forward fingers on the perimeter of the top and bottom of the nose and backward fingers in the sides near the nose and the perimeter of the shielded housing 2415 .
- Shielded housing/cover 2415 includes forward fingers 112 A′ on the top side near the perimeter, forward fingers 112 C′ on the bottom side near the perimeter, backward fingers 712 B′ in the left side, and backward fingers 712 D′ in the right side near the perimeter.
- the shielded housing 2415 includes a front top side 2416 A, a rear top side 2416 B, a front left side 2417 A, a rear left side 2417 B, a backside 2419 , a front right side 2418 A, and a rear right side 2418 B.
- the shielded housing/cover 2415 also includes a strap 210 ′ and a septum 411 ′.
- Fiber optic module 2400 includes the chassis/base 120 or 120 ′.
- the chassis or base 120 or 120 ′ includes vent openings 633 on the bottom side thereof.
- the left side 2417 B of the shielded housing/cover 2415 meets the backside 2419 of the shielded housing/cover 2415 at a corner which may use a tongue and groove coupling 2430 .
- the rear portion 2415 B of the shielded housing/cover 2415 can include a back edge wrap 2429 B, a left edge wrap 2429 L and a right edge wrap 2429 R.
- the front portion of the shielded housing/cover 2415 A includes a right side bottom flap 415 A and a left side bottom flap 415 B.
- the right side bottom flap 415 A and the left side bottom flap 415 B of the shielded housing/cover can be formed around chassis/base 120 or 120 ′ to couple them together.
- the septum 411 ′ can be overlapped by the left and right side bottom flap 415 A and 415 B.
- the forward fingers 112 A′ and 112 C′ and the backward fingers 712 B′ and 712 D′ can be formed out of different shapes including round fingertips, rectangular fingertips, or triangular fingertips.
- the fingers maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around an opening in an enclosure, faceplate, or bezel for input/output connections.
- the shielded housing/cover 2415 can be an integrated one piece or a two-piece design.
- the shielded housing 115 , 115 ′, 715 and 715 ′ can be either an integrated one-piece or a two-piece shielding housing/cover having a front portion and a rear portion.
- the same rear portion 2415 B of the shielded housing/cover maybe used interchangeably with different front portions, such as the front portion 2415 A of the shielded housing/cover 2415 . That is, by simply changing the front portion of the shielded housing/cover, backward fingers maybe supplied on top, bottom, left and right sides or forward fingers maybe provided on left, right, top and bottom sides or any combination thereof.
- backward fingers maybe supplied on top, bottom, left and right sides or forward fingers maybe provided on left, right, top and bottom sides or any combination thereof.
- This allows flexible assembly of fiber optic modules.
- the decision of the type of shielding for the fiber optic module can be postponed until the subassembly of the chassis is completed and the rear portion of the shielded housing is wrapped around it.
- the front portion of the shielded housing/cover being interchangeable, allows flexibility in manufacturing and meeting the demands of customers.
- FIG. 26A a rear perspective view of the fiber optic module 2400 illustrates the forward fingers 112 A′ having rounded tips while the backward fingers 712 B′ have more of a triangular shaped tip.
- FIG. 26B a top view of the fiber optic module 2400 illustrate differences in the positions of the forward fingers 112 A′ and 112 C′ and the backward fingers 712 B′ and 712 D′ in the front portion 2415 A of the shielded housing/cover 2415 .
- the forward fingers may be curved or bent in differing places.
- the front shielded housing/cover 2415 A includes the forward fingers 112 A′ on a top side and the forward fingers 112 C′ on a bottom side.
- the forward fingers 112 A′ are illustrated as being curved or arched shaped in FIG. 27.
- the forward fingers 112 C′ are illustrated as being bent in two places (i.e. bent shaped) in FIG. 27 but can take on a curved or arched shape or other bent configuration in order to make contact with a back side surface of a bezel, faceplate, or backplate.
- the forward fingers 112 A′ can take on a bent shape or other bending configuration in order to make contact to a back side surface of a bezel, faceplate, or backplate.
- FIG. 28 a front view of the fiber optic module 2400 is illustrated mounted adjacent a bezel, faceplate, or backplate 2810 .
- the bezel, faceplate, or backplate 2810 includes an opening 2820 to allow a fiber optic plug to be inserted into the fiber optic module 2400 .
- Duplex SC receptacles for duplex SC plugs provided in one embodiment, can be readily seen in the front view of the fiber optic module 2400 separated by the strap 210 ′.
- the forward fingers 112 A′ and 112 C′ couple (i.e. press) against the backside surface of the bezel, faceplate, or backplate 2810 adjacent to the opening 2820 without coupling into the opening 2820 . That is, the forward fingers 112 A′ and 112 C′ are not inserted into the opening 2820 .
- the left and right side backward fingers 712 B and 712 B′ also do not couple into the opening 2820 nor do they couple against the backside surface of the bezel, faceplate, or backplate 2810 . Rather, the backside backward fingers 712 B and 712 B′ couple to host tabs (not shown in FIG. 28).
- the host tabs can be integrated or coupled to the bezel, faceplate, or backplate 2810 .
- FIG. 29 a cutaway side view of the fiber optic module 2400 inserted into a host system 2900 is illustrated.
- the fiber optic module 2400 couples to a host printed circuit board 1130 or 1130 ′.
- the top forward fingers 112 A′ and the bottom forward fingers 112 C′ couple to a backside surface 2902 of the bezel, faceplate, or backplate 2810 as illustrated in FIG. 29.
- the top forward fingers 112 A′ and the bottom forward fingers 112 C′ do not couple to an inside surface 2902 of the opening 2820 .
- Neither do the backward fingers 712 D′ couple into the opening 2820 .
- the backward fingers 712 D′ (as well as the backward fingers 712 B′) are offset from the opening 2820 and the backside surface 2902 of the bezel, faceplate, or backplate 2810 .
- the host system 2900 includes a left side host tab 3010 B and a right side host tab 3010 A.
- the right side backward fingers 712 D′ couple to an inside surface 3014 A of the host tab 3010 A.
- the left side backward fingers 712 B′ couple to an inside surface 3014 B of the host tab 3010 B.
- the host tabs 3010 A and 3010 B extend along the sides of the front shielded housing/cover 2415 A. The overlap may provide improved EMI performance in deterring electromagnetic radiation from leaking in and out of the opening 2820 .
- the host tabs 3010 A and 3010 B may additionally provide lateral support when optical plugs are pushed into and pulled out of for the fiber optic module 2400 , while the printed circuit board 1130 or 1130 ′ provides horizontal support.
- the host tabs 3010 A and 3010 B may be coupled to the backside 2902 of the bezel, faceplate, or backplate 2810 .
- the host tabs 3010 A and 3010 B may be integrally formed with the bezel, faceplate, or backplate 2810 and extend backward from the backside 2902 .
- the top forward fingers 112 A′ and the bottom forward fingers 112 C′ do not couple to the host tabs 3010 A and 3010 B.
- the fiber optic module 2400 can have its nose flush with the faceplate 2810 .
- FIG. 31 an unfolded flat pattern layout of the front portion 2415 A (i.e., the front shielded housing/cover) of the shielded housing 2415 is illustrated.
- the rear shielded housing/cover 2415 B can be envisioned by slightly modifying FIG. 16B so that the slits 1611 L and 1611 R cut through the top 716 to meet each other.
- the unfolded flat pattern layout 2415 A is a patterned material layer formed out of the starting sheet of the layer of material 1400 .
- the front shielded housing/cover 2415 A and the rear shielded housing/cover 2415 B can be stamped, cut or etched out of a conductive material (i.e. a metal such as stainless steel for example).
- the forward fingers 112 A′ and 112 C′ and the backward fingers 712 B′ and 712 D′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips.
- fold/bend lines are illustrated on the unfolded flat pattern layout of the front shielded housing/cover 2415 A.
- the fold/bend lines illustrated on the unfolded flat pattern layout make other features of the front shielded housing/cover 2415 A discernable.
- the fold/bend lines illustrated in FIG. 32 include left flap and right flap fold lines 3202 L and 3202 R, left bottom flap and right bottom flap fold lines 3214 L and 3214 R, the forward finger base bend line 1512 , the backward finger base bend line 1612 B, the finger tip bend line 1612 T, the strap fold line 1616 , and the septum fold line 1617 .
- the folds along fold lines are made at nearly a ninety degree angle but for the bend lines of the fingers 112 A′, 112 C′, 712 B′, and 712 D′.
- the right bottom flap fold line 3214 R defines the right bottom flap 415 A.
- the left bottom flap fold line 3214 L defines the left bottom flap 415 B.
- the right side fold line 3202 R and the right bottom flap fold line 3214 R define the front right side 2418 A.
- the left side fold line 3202 L and the left bottom flap fold line 3214 L define the front left side 2417 A.
- the left flap and right flap fold lines 3202 L and 3202 R define the front top side 2416 A.
- the fold/bend lines illustrated on the unfolded flat pattern layout of FIG. 32 are respectively folded and/or bent to form the front shielding/cover 2415 A as illustrated in FIGS. 24 - 30 .
- the sequence of folding and bending of the fold lines in the unfolded flat pattern layout of the front shielded housing/cover 2415 A is similar to that of the unfolded flat pattern layouts 1500 and 1600 but for the fingers.
- the backward fingers 712 B′ and 712 D′ can be first pushed or pulled out of the surface of the unfolded flat pattern layout. Then, the sequence of folding and bending can proceed on the front shielded housing/cover 2415 A.
- the forward fingers 112 A′ and 112 C′ and the backward fingers 712 B′ and 712 D′ may be arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around the opening 2820 and/or couple to the host tabs 3010 A and 3010 B.
- Fiber optic module 3300 includes a shielded housing/cover 3315 as well as other elements previously described in reference to fiber optic modules 100 , 100 ′, 700 , 700 ′ and 2400 .
- the shielded housing/cover 3315 maybe an integrated one-piece housing/cover or a two-piece housing/cover.
- the shielded housing/cover includes a front-shielded housing/cover 3315 A and rear shielded housing/cover 3315 B.
- the rear shielded housing/cover 3315 B overlaps a portion of the front-shielded housing/cover 3315 A in one embodiment.
- the front shielded housing/cover 3315 A could overlap a portion of the rear housing/cover 3315 B in another embodiment.
- the fiber optic module 3300 provides forward fingers on the perimeter of the left and right sides of the nose and backward fingers in the top and bottom near the nose and the perimeter of the shielded housing 3315 .
- shielded housing/cover 3315 includes backward fingers 712 A′ in the top side near the perimeter, backward fingers 712 C′ in the bottom side near the perimeter (not shown in FIG. 33), forward fingers 112 B′ in the left side, and forward fingers 112 D′ in the right side near the perimeter.
- the shielded housing 3315 includes a front top side 3316 A, a rear top side 3316 B, a front left side 3317 A, a rear left side 3317 D, a backside 3319 , a front right side 3318 A, and a rear right side 3318 B.
- the shielded housing 3315 also includes a strap 210 ′ and a septum 411 ′ as is shown in FIG. 25 of the shielded housing 2415 .
- Fiber optic module 3300 includes the chassis/base 120 or 120 ′ and the optical, opto-electronic, and the electronic components assembled therein.
- the chassis or base 120 or 120 ′ includes vent openings 633 on the bottom side thereof.
- the left side 3317 B of the shielded housing/cover 3315 meets the backside 3319 of the shielded housing/cover 3315 at a corner which may use a tongue and groove coupling.
- the rear portion 3315 B of the shielded housing/cover 3315 can include a back edge wrap, a left edge wrap and a right edge wrap. When assembled with chassis/base 120 or 120 ′ one or more of the edge wraps can wrap around chassis/base 120 or 120 ′ to hold them assembled together.
- the front portion of the shielded housing/cover 3315 A includes a right side bottom flap 415 A and a left side bottom flap 415 B.
- the right side bottom flap 415 A and the left side bottom flap 415 B of the shielded housing/cover can be found around chassis/base 120 or 120 ′ to hold them together.
- the septum 411 ′ can be overlapped by the left and right side bottom flaps 415 A and 415 B.
- the forward fingers 112 B′ and 112 D′ and the backward fingers 712 A′ and 712 C′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips.
- the fingers maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around an opening.
- the shielded housing/cover 3315 can be an integrated one piece or a two-piece design. In this manner, the same rear portion 3315 B of the shielded housing/cover maybe used interchangeably with different front portions, such as the front portion 2415 A of the shielded housing/cover 2415 .
- the front portion of the shielded housing/cover backward fingers maybe supplied on top, bottom, left and right sides or forward fingers maybe provided on left, right, top and bottom sides or any combination thereof.
- This allows flexible assembly of fiber optic modules.
- the decision of the type of shielding for the fiber optic module can be postponed until the subassembly of the chassis is completed and the rear portion of the shielded housing is wrapped around it.
- the front portion of the shielded housing/cover being interchangeable, allows flexibility in manufacturing and meeting the demands of customers.
- the front shielded housing/cover 3315 A includes the forward fingers 112 B′ extending from the left side, while the forward fingers 112 D′ extend from the right side.
- the forward fingers 112 B′ can be curved or arched shaped, bent in two places, or otherwise bent in another manner (i.e. bent shaped) in order to make contact with a back side surface of a bezel, faceplate, or backplate.
- a top view of the fiber optic module 3300 illustrates differences in the positions of the forward fingers 112 B′ and 112 D′ and the backward fingers 712 A′ and 712 C′ in the front portion 3315 A of the shielded housing/cover 3415 .
- the forward fingers 112 B′ and 112 D′ extend from the perimeter of the front portion 3315 A while the backward fingers 712 A′ and 712 C′ are a distance away from the perimeter extending out of the surface of the front portion 3315 A.
- FIG. 36 a front view of the fiber optic module 3300 and the forward fingers 112 B′ and 112 D′ and the backward fingers 712 A′ and 712 C′ is illustrated.
- a bezel, faceplate, or backplate couples to the forward fingers while leaving an opening to allow one or more fiber optic plugs to be inserted into the fiber optic module 3300 .
- Duplex SC receptacles for duplex SC plugs can be readily seen in the front view of the fiber optic module 3300 separated by the strap 210 ′.
- the fiber optic module 3300 couples to a host printed circuit board 1130 or 1130 ′.
- the host system 3700 includes a faceplate or bezel 3710 which has an opening 3720 to allow fiber optic plugs to connect to the fiber optic module 3300 .
- the host system 3700 includes host tabs 3730 A and 3730 A, separate and apart or integral with the faceplate or bezel 3710 that can be grounded to chassis ground.
- the backward fingers 712 A′ and 712 C′ are offset from the opening 3720 and a backside surface 3712 of the bezel, faceplate, or backplate 3710 .
- the top backward fingers 712 A′ of the shielded housing 3315 couple to an inside surface 3374 A of the host tab 3730 A.
- the bottom backward fingers 712 C′ couple to an inside surface 3774 B of the host tab 3730 B.
- the host tabs 3730 A and 3730 B extend along the top and bottom of the front shielded housing/cover 3315 A. The overlap between the host tabs and the front shielded housing/cover may provide improved EMI performance in deterring electromagnetic radiation from leaking in and out of the opening 3720 .
- the host tabs 3730 A and 3730 B may additionally provide horizontal support when optical plugs are pushed into and pulled out of the fiber optic module 2400 along with the printed circuit board 1130 or 1130 ′.
- the host tabs 3730 A and 3730 B may be coupled to a backside 3712 of the bezel, faceplate, or backplate 3710 .
- the host tabs 3730 A and 3730 B may be integrally formed with the bezel, faceplate, or backplate 3710 and extend backward from the backside 3712 .
- the left side forward fingers 112 B′ and the right side forward fingers 112 D′ do not couple to the host tabs 3730 A and 3730 B but the backside 3172 of the faceplate 3710 .
- FIG. 38 a cutaway topside view of the fiber optic module 3300 coupled into the host system 3700 is illustrated.
- the forward fingers 112 B′ and 112 D′ couple (i.e. press) against the backside surface 3712 of the bezel, faceplate, or backplate 3710 adjacent to the opening 3720 without coupling into the opening 3720 . That is, the forward fingers 112 B′ and 112 D′ are not inserted into the opening 3720 .
- the top and bottom backward fingers 712 A′ and 712 C′ also do not couple into the opening 3720 nor do they couple against the backside surface 3712 of the bezel, faceplate, or backplate 3710 .
- the fiber optic module 3300 can have its nose flush with the faceplate 3710 .
- FIG. 39 an unfolded flat pattern layout of the front portion 3315 A (i.e., the front shielded housing/cover) of the shielded housing 3315 is illustrated.
- the rear shielded housing/cover 3315 B can be envisioned by slightly modifying FIG. 16B so that the slits 1611 L and 1611 R cut through the top 716 to meet each other.
- the unfolded flat pattern layout 3315 A is a patterned material layer formed out of the starting sheet of the layer of material 1400 .
- the front shielded housing/cover 3315 A and the rear shielded housing/cover 3315 B can be stamped, cut or etched out of a conductive material (i.e. a metal such as stainless steel for example).
- the forward fingers 112 B′ and 112 D′ and the backward fingers 712 A′ and 712 C′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips.
- fold/bend lines are illustrated on the unfolded flat pattern layout of the front shielded housing/cover 3315 A.
- the fold/bend lines illustrated on the unfolded flat pattern layout make other features of the front shielded housing/cover 3315 A discernable.
- the fold/bend lines illustrated in FIG. 40 include left flap and right flap fold lines 4002 L and 4002 R, left bottom flap and right bottom flap fold lines 4014 L and 4014 R, the forward finger base bend line 1512 , the backward finger base bend line 1612 B, the finger tip bend line 1612 T, the strap fold line 1616 , and the septum fold line 1617 .
- the folds along fold lines are made at nearly a ninety degree angle but for the bend lines of the fingers 112 B′, 112 D′, 712 A′, and 712 C′.
- the right bottom flap fold line 4014 R defines the right bottom flap 415 A.
- the left bottom flap fold line 4014 L defines the left bottom flap 415 B.
- the right side fold line 4002 R and the right bottom flap fold line 4014 R define the front right side 3318 A.
- the left side fold line 4002 L and the left bottom flap fold line 4014 L define the front left side 3317 A.
- the left flap and right flap fold lines 4002 L and 4002 R define the front top side 3316 A.
- the fold/bend lines illustrated on the unfolded flat pattern layout of FIG. 40 are respectively folded and/or bent to form the front shielding/cover 3315 A as illustrated in FIGS. 33 - 38 .
- the sequence of folding and bending of the fold lines in the unfolded flat pattern layout of the front shielded housing/cover 3315 A is similar to that of the unfolded flat pattern layouts 1500 and 1600 but for the fingers.
- the fingers 712 A′ and 712 C′ can be first pushed or pulled out of the surface of the unfolded flat pattern layout. Then, the sequence of folding and bending can proceed on the front shielded housing/cover 3315 A.
- the forward fingers 112 B′ and 112 D′ and the backward fingers 712 A′ and 712 C′ maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around the opening 3720 and/or couple to the host tabs 3730 A and 3730 B.
- the invention has a number of advantages over the prior art which will become clear after thoroughly reading this disclosure.
- the fiber-optic modules have been described as having one or more pairs of a transmitter and a receiver for a fiber-optic transceiver module.
- the fiber-optic modules may also have one or more transmitters only or one or more receivers only for a fiber-optic transmitter module or a fiber-optic receiver module. Rather, the invention should be construed according to the claims that follow below.
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Abstract
A fiber-optic module having a housing/shielding unit and a module chassis frame having optical, electrical and electro-optical components. The housing/shielding unit functions both as a protective outer housing and an electromagnetic shield. The housing/shielding unit includes forward fingers and backward fingers. The forward fingers provide an EMI seal around an opening in a bezel, face-plate, back-plate, wall, or panel of a host system and thereby can ground the housing/shielding unit to a chassis ground. The backward fingers can contact host tabs of the host system and can also thereby ground the housing/shielding unit to a chassis ground. The module chassis frame may be formed of a conductive material and can be grounded as well through a host system faceplate or otherwise to the chassis ground.
Description
- This United States non-provisional patent application claims the benefit and is a continuation-in-part of U.S. patent application Ser. No. 09/782,875, filed on Feb. 12, 2001 by Dair et al. having Attorney Docket No. 003918.P014, both of which are to be assigned to E2O Communications, Inc.
- The invention relates to electromagnetic shielding, and more specifically, to electromagnetic shielding of fiber-optic modules.
- As the need for greater data bandwidth over networks has exploded over the past few years, there has been a move towards using optical fibers as a transmission medium. Today, optical fiber made of dielectric materials are routinely used in communication channels from large public transmission media to Local Area Networks transmitting information from one node to another. The main difference between a fiber-optic communication system and other types of communication systems is that signals are transmitted as light or photons over optical fibers. Optical fiber or fiber-optic cables enable high speed communication of signals by guiding light or photons therein. At each end of a fiber-optic cable a transducer may be found that converts a light, photon or optical signal into an electrical signal; an electrical signal into a light, photon or optical signal; or a pair of transducers may do both. At a transmission end, an electrical-to-optical converter (EO) converts electrical signals into light or optical signals. At a receiving end, an optical-to-electrical converter (OE) converts a light, photon or optical signal into an electrical signal. In nodes of a communication system, it may be desirable to both transmit and receive light or optical signals at a node. In which case an optical-to-electrical converter (OE, i.e. receiver) and an electrical-to-optical converter (EO, i.e. transmitter) may be included to receive and transmit optical or light signals respectively. Therefore, the optical-to-electrical converter (OE, i.e. receiver) and the electrical-to-optical converter (EO, i.e. transmitter) are oftentimes physically located together as a single module referred to as an electro-optic, opto-electronic or fiber-optic transceiver. Fiber-optic transceivers, including fiber-optic transmitters and fiber-optic receivers, can also be referred to as fiber-optic modules.
- Because of the high frequency needed in some of the electronics and the electro-optic components, such as the optical-to-electrical converter (OE, i.e. receiver) and electrical-to-optical converter (EO, i.e. transmitter), electromagnetic radiation can be generated which can interfere with other communication systems. This electromagnetic radiation is oftentimes referred to as electromagnetic interference (EMI). Electromagnetic radiation radiating externally out from a fiber-optic module or a system that incorporates the fiber-optic module is of great concern. To reduce electromagnetic radiation from radiating out of fiber-optic modules and systems with fiber optic modules as EMI, external electromagnetic shielding of internal electronic and opto-electronic components is often utilized. The external electromagnetic shielding can additionally reduce effects of external electromagnetic radiation on the internal components of a fiber-optic module and the system.
- FIG. 1 is a rear isometric view of the fiber-optic module according to a first embodiment of the invention
- FIG. 2 is a front isometric view of the fiber-optic module according to the first embodiment of the invention
- FIG. 3 is a rear isometric view of a housing/shielding unit according to the first embodiment of the invention.
- FIG. 4A is a bottom rear isometric view of the housing/shielding unit according to the first embodiment of the invention.
- FIG. 4B is a bottom rear isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 5A is an isometric view of a module chassis frame and a housing/shielding unit according to the first embodiment of the invention.
- FIG. 5B is an isometric view of a module chassis frame and a housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 6 is an exploded view of the fiber-optic module with the housing/shielding unit and the module chassis frame according to the first embodiment of the invention.
- FIG. 7 is an isometric view of a module chassis frame and a housing/shielding unit for an fiber-optic module according to a second embodiment of the invention.
- FIG. 8A is a front isometric view of a housing/shielding unit according to the second embodiment of the invention.
- FIG. 8B is a front isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 9A is a bottom isometric view of the housing/shielding unit according to the second embodiment of the invention.
- FIG. 9B is a bottom rear isometric view of an alternate housing/shielding unit according to an alternate embodiment of the invention.
- FIG. 10A is a top exploded view of the second embodiment of the fiber-optic module according to the invention.
- FIG. 10B is a bottom exploded view of the second embodiment of the fiber-optic module according to the invention.
- FIG. 11A is a side view of the second embodiment of the fiber-optic module of FIG. 10 mounted within a host system.
- FIG. 11B is a side view of the first embodiment of the fiber-optic module of FIG. 6 mounted within a host system.
- FIG. 12A is a front view of the second embodiment of the fiber-optic module of FIG. 10 mounted within a host system.
- FIG. 12B is a front view of the first embodiment of the fiber-optic module of FIG. 6 mounted within a host system.
- FIG. 13 is a perspective view of a host system incorporating embodiments of the fiber-optic modules of the invention.
- FIG. 14 illustrates a starting sheet of material for the embodiments of the housing/shielding unit.
- FIG. 15A illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 15B illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 15A.
- FIG. 15C illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 15D illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 15C.
- FIG. 16A illustrates an unfolded flat pattern layout for an embodiment of the housing/shielding unit.
- FIG. 16B illustrates fold and bend lines on the unfolded flat pattern layout of FIG. 16A.
- FIGS.17A-17C illustrate alternate methods of assembling a housing/shielding unit with a module chassis frame to form a fiber-optic module.
- FIG. 18A is a top plan view of a first embodiment of our new design for a one-piece shielded housing;
- FIG. 18B is a right side elevational view thereof, the left side elevational view being a mirror image;
- FIG. 18C is a front elevational view thereof;
- FIG. 18D is a rear elevational view thereof;
- FIG. 18E is a bottom plan view thereof;
- FIG. 18F is a top perspective view thereof;
- FIG. 18G is a bottom perspective view thereof;
- FIG. 19A is a top plan view of a second embodiment of our new design for a one-piece shielded housing;
- FIG. 19B is a right side elevational view thereof, the left side elevational view being a mirror image;
- FIG. 19C is a front elevational view thereof;
- FIG. 19D is a rear elevational view thereof;
- FIG. 19E is a bottom plan view thereof;
- FIG. 19F is a top perspective view thereof;
- FIG. 19G is a bottom perspective view thereof;
- FIG. 20A is a top plan view of a third embodiment of our new design for a one-piece shielded housing;
- FIG. 20B is a right side elevational view thereof, the left side elevational view being a mirror image;
- FIG. 20C is a front elevational view thereof;
- FIG. 20D is a rear elevational view thereof;
- FIG. 20E is a bottom plan view thereof;
- FIG. 20F is a top perspective view thereof; and
- FIG. 20G is a bottom perspective view thereof.
- FIG. 21A is a top plan view of a first embodiment of our new design of a patterned material layer for a one-piece shielded housing;
- FIG. 21B is a front elevational view thereof, the rear elevational view being a mirror image;
- FIG. 21C is a bottom plan view thereof;
- FIG. 21D is a right side elevational view thereof, the left side elevational view being a mirror image;
- FIG. 22A is a top plan view of a second embodiment of our new design of a patterned material layer for a one-piece shielded housing;
- FIG. 22B is a front elevational view thereof, the rear elevational view being a mirror image;
- FIG. 22C is a bottom plan view thereof;
- FIG. 22D is a right side elevational view thereof, the left side elevational view being a mirror image; and
- FIG. 23 is a top plan view of a third embodiment of our new design of a patterned material layer for a one-piece shielded housing, a bottom plan view being a mirror image and the patterned material layer being a thin and flat sheet so that only the top plan view need be shown.
- FIG. 24 is a top perspective view of a fiber optic module for another embodiment of the invention.
- FIG. 25 is a bottom perspective view of the fiber optic module of FIG. 24.
- FIG. 26A is a rear perspective view of the fiber optic module of FIG. 24.
- FIG. 26B is a top view of the fiber optic module of FIG. 24.
- FIG. 27 is a side view of the fiber optic module of FIG. 24.
- FIG. 28 is a front view of the fiber optic module of FIG. 24 mounted against a faceplate, backplate, or bezel in a system.
- FIG. 29 is a side view of the fiber optic module of FIG. 24 mounted in a system.
- FIG. 30 is a top view of the fiber optic module of FIG. 24 mounted in a system.
- FIG. 31 is a top view of a pattern for a front portion of a shielded housing/cover of the fiber optic module of FIG. 24.
- FIG. 32 is a top view of the pattern of FIG. 31 including bend/fold lines.
- FIG. 33 is a top perspective view of a fiber optic module for another embodiment of the invention.
- FIG. 34 is a side view of the fiber optic module of FIG. 33.
- FIG. 35 is a top view of the fiber optic module of FIG. 33.
- FIG. 36 is a front view of the fiber optic module of FIG. 33.
- FIG. 37 is a side view of the fiber optic module of FIG. 33 mounted in a system.
- FIG. 38 is a top view of the fiber optic module of FIG. 33 mounted in a system.
- FIG. 39 is a top view of a pattern for a front portion of a shielded housing/cover of the fiber optic module of FIG. 33.
- FIG. 40 is a top view of the pattern of FIG. 39 including bend/fold lines.
- Like reference numbers and designations in the drawings indicate like elements providing similar functionality.
- In the following detailed description of the invention, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be obvious to one skilled in the art that the invention may be practiced without these specific details. In other instances well known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the invention.
- The invention includes embodiments of fiber-optic modules and their methods of manufacture and assembly of component parts. Fiber-optic module generally refers to fiber-optic transmitter modules, fiber-optic receiver modules, and fiber-optic transceiver modules. The various fiber-optic modules can also be referred to as opto-electronic transmitter, receiver or transceiver modules; and electro-optic transmitter, receiver or transceiver modules. The fiber-optic module of the invention is capable of reducing electromagnetic interference (EMI) from both the fiber-optic module and from the system that incorporates the fiber-optic module. In accordance with one embodiment of the invention, a fiber-optic module comprises a module chassis frame and a housing/shielding unit. The housing/shielding unit can be formed of one piece in which case it can also be referred to as a one-piece integrated housing/shielding unit, a one piece shielded housing, an EMI box or container, or a single-piece shielded housing integrating a protection function and a shielding function. The module chassis frame can also be referred to as a chassis, a frame, or a support fixture. The housing/shielding unit functions both as a protective outer housing for the fiber-optic module as well as an EMI suppression device and a chassis grounding feature. The housing/shielding unit can protect and shield the optical, electrical, and optical-electrical components within a fiber-optic module. The housing/shielding unit can be formed out of conductive materials such as a metal, a plated plastic, a conductive plastic or other electrically conductive material. The module chassis frame can be formed of a nonconductive material such as a non-conductive plastic. The module chassis frame can also be formed of a conductive material such as sheet metal, a plated plastic, or conductive plastic so as to provide, EMI shielding as well. The module chassis frame is the central structural support to which components of the fiber-optic module attach. These components can include an opto-electronic transmitter and/or an opto-electronic receiver. In the case of a fiber-optic transceiver module, the fiber-optic module includes a transmitter optical subassembly, a receiver optical subassembly and an electrical subassembly. Each of the opto-electronic transmitter and the opto-electronic receiver has a header which is shielded by a hollow cylindrical shielding collar. The hollow cylindrical shielding collar provides electromagnetic shielding as well. The opto-electronic transmitter may include a Vertical Cavity Surface Emitting Laser (VCSEL) or a conventional semiconductor laser mounted inside of the header.
- The housing/shielding is a multi-sided conductive enclosure than can be formed out of sheet metal, plated plastic, conductive plastic or other electrically conductive material. In one embodiment, sheet metal is etched or stamped to form the housing/shielding unit. The housing/shielding unit also includes a pair of flaps and a septum which allow it to be spot-welded, soldered, glued or otherwise fastened after it is attached to the module chassis frame. The housing/shielding unit forms an enclosure that surrounds the module chassis frame. Fingers or tabs extend from the housing/shielding unit to ground it to a bezel, a faceplate, backplate, or a wall of a housing of a host system. In one embodiment, the fingers press against the bezel, backplate, faceplate or wall of the housing of the host system to seal electromagnetic radiation therein. In another embodiment, the fingers press against an opening in the bezel, the faceplate, backplate, or the wall of the housing of the host system to seal electromagnetic radiation therein.
- The grounding scheme for the fiber-optic module includes signal grounding and chassis grounding. Two grounds are utilized for isolation to prevent currents induced in the chassis ground from affecting the integrity of signal ground. Signal ground is provided through one or more ground pins of a transceiver printed circuit board (PCB) next to the signal pins. The one or more ground pins couple to ground traces on a printed circuit board of the host system. Chassis ground is established by coupling to an outer housing of the host system which is electrically isolated from the signal ground.
- The invention employs a housing/shielding unit that functions both as protective outer housing as well as an EMI shield or suppression device. The housing/shielding unit is a multi-sided enclosure which can be made from one piece or a single piece of sheet metal, plated plastic or other electrically conductive material having an opening at one end for receiving a fiber-optic connector to couple to one or more fiberoptic cables.
- Referring now to FIG. 1, an fiber-
optic module 100 of the invention is illustrated. In one embodiment, the fiber-optic module 100 is a 1×9 fiber-optic transceiver module. In which case the fiber-optic module is a duplex-SC transceiver designed for use in Gigabit Ethernet applications and is compliant with specifications for IEEE-802.3z Gigabit Ethernet (1000Base-SX) andClass 1 Laser Safety regulations, operates with 50/125 micrometer and 62.5/125 micrometer multimode optical fibers, has anIndustry Standard 1×9 Footprint with integral duplex SC connector and meets a mezzanine height standard of 9.8 mm. - The fiber-
optic module 100 includes a one-piece or single-piece integrated housing/shielding unit 115 and amodule chassis frame 120. The fiber-optic module 100 with the one-piece or single-piece integrated housing/shielding unit 115 may also be referred to as a forward shield configuration. The housing/shielding unit 115 functions both as a housing and as an EMI shield. The housing/shielding unit 115 minimizes internal electromagnetic radiation from radiating outward and interfering with other electronic circuits and devices. It also minimizes external electromagnetic radiation from radiating inward and interfering with the operation of the fiber-optic module 100. It also minimizes the system electromagnetic radiation from leaking out through an opening in a bezel, a faceplate, backplate,, of a host panel through which the fiber-optic module is installed. Themodule chassis frame 120 may be formed of a conductive material, such as a conductive plastic, to provide EMI shielding and to support other components assembled thereto. - The housing/
shielding unit 115 has atop side 116, aleft side 117, aright side 118, and aback side 119 illustrated in FIG. 1. A pair oftangs back side 119 in order to couple theback side 119 together with theleft side 117 and theright side 118 respectively. Theleft side 117 and theright side 118 each have atang - The housing/
shielding unit 115 has one ormore fingers 112 located near anose 113 of the fiber-optic module 100 at the edges of afrontal opening 313. The one or more fingers can also be referred to as tabs. The one or more fingers are similarly shaped having a body and a tip which is round in one embodiment. The body of thefingers 112 are bent outward from the main surface in one embodiment. In an alternate embodiment the tips may be slightly bent from the body of the fingers. The fingers can be equally sized and equally spaced or have different sizing and difference spacing between each.Fingers 112A are located along an edge oftop side 116 of the housing/shielding unit 115.Fingers 112B are located along an edge ofside 117 of the housing/shielding unit 115.Fingers 112C are located along an edge of side 118 (not shown in FIG. 1) of the housing/shielding unit 115.Fingers 112D are located along an edge of side 119 (not shown in FIG. 1) of the housing/shielding unit 115.Fingers fingers 112. Thefingers 112 have a forward curvature and are bent outwardly and slightly backwards from a frontal opening in the housing/shielding unit 115 as illustrated. Thefingers 112 can be used to ground the housing/shielding unit 115 by coupling to a bezel or face-plate which is grounded. Thefingers 112 are illustrated as being a plurality of fingers but can be one or more fingers on any one or all sides. - Referring now to FIG. 2, the fiber-
optic module 100 includes the housing/shielding unit 115 and themodule chassis frame 120. The housing/shielding unit further includes a septum (not shown in FIG. 2) and anose strap 210. The septum and nose strap are folded back into the frontal opening of the housing/shielding unit around themodule chassis frame 120. Prior to folding the septum and nose strap back into the frontal opening, the electrical, optical and electro-optical components are installed on themodule chassis frame 120 which is then inserted into thehousing 115 in one embodiment, or in another embodiment, the housing is folded around themodule chassis frame 120. Thenose strap 210 and the septum hold themodule chassis frame 120 in place within thehousing 115. Themodule chassis frame 120 includes one or moreoptical connector receptacles 211 withoptical connector openings 212. In one embodiment, the one or moreoptical connector receptacles 211 are SC optical connector receptacles with theoptical connector openings 212 being SC optical connector openings. - Referring now to FIG. 3, a rear view of the housing/
shielding unit 115 is shown. The FIGS. 112A, 112B, 112C, and 112D are located along the edge of thefrontal opening 313 of the housing/shielding unit 115 as shown. The housing/shielding unit 115 is a rectangular box made of sheet metal, plated plastic or any other electrically conductive material. Except for a single side of the housing/shielding unit 115 that is open so that the module chassis frame can be inserted into it, all other sides of the housing/shielding unit can be closed. Once themodule chassis frame 120 is inserted into the housing/shielding unit 115 through the open side, it is closed to minimize electromagnetic radiation from the fiber optic module. - Referring now to FIG. 4A, a bottom view of the housing/
shielding unit 115 is shown. The housing/shielding unit 115 has anopen region 400 in its bottom side. One ormore fingers 112C are located along theedge 419 of the housing/shielding unit 115. Thefingers 112 curve outward and point more forward from surfaces of the housing/shielding unit. Thefingers 112 have spring-like resilience (i.e. spring loaded or flexible) and provide a mechanical and electrical contact between the fiber-optic module and a bezel, a face-plate or a wall (not shown in FIG. 4). Thus, thefingers 112 can also be referred to as spring fingers or forward fingers. There are also a pair offlaps septum 411 on the bottom side of the housing/shielding unit 115. Theseptum 411 theflaps 402A-402B and 405A-405B of the housing/shielding unit can be spot welded, soldered, glued, or otherwise fastened together. The housing/shielding unit 115 forms an enclosure that surrounds themodule chassis frame 120.Fingers shielding unit 115 to seal in electromagnetic radiation to avoid it affecting a host system, and to avoid the electromagnetic radiation of host system from leaking out through openings in the bezel, faceplate, or backplate. - Referring now to FIG. 4B, a bottom left side isometric view of an alternate housing/
shielding unit 115′ is shown. The housing/shielding unit 115′ differs from housing/shielding unit 115 in the strap, left side, right side, bottom side and the back side. The housing/shielding unit 115′ is additionally longer so that thefingers 112 are nearer the front of theoptical connector openings 212. That is backside 119 is replaced byback side 119′ with a retainingflap 429;left side flap 117 is replaced byleft side flaps right side flap 118 is replaced by right side flaps 118A and 118B separated by a right side slit 1511R; bottom side flaps 402A, 402B, 405A and 405B are replaced by bottom side flaps 415A and 415B;strap 210 is replaced bystrap 210′,septum 411 is replaced byseptum 411′, andopen region 400 is replaced byopen region 400′. Otherwise, the housing/shielding unit 115′ and the housing/shielding unit 115 have similar elements and features including the one ormore fingers - The housing/
shielding unit 115′ forms an enclosure that surrounds themodule chassis frame Fingers shielding unit 115′ to seal internal electromagnetic radiation therein to avoid it affecting a host system and keep out external electromagnetic radiation to increase noise immunity of the electronic and opto-electronic components inside. It also minimizes the electromagnetic radiation of the host system from leaking out of openings in the bezel, faceplate, or backplate. - Referring now to FIG. 5A, the housing/
shielding unit 115 and an alternatemodule chassis frame 120′ are illustrated. Themodule chassis frame 120′ has asingle pin opening 536 in itsbase 604′ through which all pins 612 may extend but otherwise is similar to themodule chassis frame 120. Themodule chassis frame 120′ includes theoptical connector receptacles 211 at one end and aleft wall 602L and aright wall 602R coupled to the base 604′ at an opposite end. Thewalls 602l and 602R each have aslot optical connector receptacles 211 have a rectangular opening or slot 626 along the width of themodule chassis frame 120′. - The housing/
shielding unit 115 includes thefront nose strap 210 and theseptum 411. Thefront nose strap 210 may be a metal or a plastic band used for fastening or clamping themodule chassis frame 120 to the housing/shielding unit 115. Thefront nose strap 210 can consists of three portions, afirst extension portion 210A, awrap portion 210B and asecond extension portion 210C. Thewrap portion 210B engages with theslot 638 of themodule chassis frame septum 411 can also be welded or bonded to bottom flaps of the housing/shielding unit 115 to hold the module chassis frame therein. - Referring now to FIG. 5B, the alternate housing/
shielding unit 115′ and the alternatemodule chassis frame 120′ are illustrated. The housing/shielding unit 115′ includes thefront nose strap 210′ and theseptum 411′. Thefront nose strap 210′ may be a metal or a plastic strap used to fasten or clamp themodule chassis frame shielding unit 115′. Thefront nose strap 210′ is a single portion compared to thefirst extension portion 210A, wrapportion 210B andsecond extension portion 210C of thefront nose strap 210. Thenose strap 210′ engages with theslot 638 of themodule chassis frame septum 411′ can be welded or bonded to bottom flaps of the housing/shielding unit 115′ to hold the module chassis frame therein. - Referring now to FIG. 6, an exploded view of the fiber-
optic module 100 of the invention is illustrated. The fiber-optic module 100 includes the integrated one-piece housing/shielding unit 115, themodule chassis frame 120, and other optical, electrical and opto-electronic components. Themodule chassis frame 120 includes theoptical connector receptacles 211 at one end and aleft wall 602L and aright wall 602R coupled to a base 604 at an opposite end. Thewalls 602l and 602R each have aslot optical connector receptacles 211 have a rectangular opening or slot 626 along the width of themodule chassis frame 120. Thebase 604 has one ormore pin openings 636. - The optical, electrical and opto-electronic components of the fiber-
optic module 100 are assembled into themodule chassis frame 120. The components include a printed circuit board (PCB) 610, a packagedtransmitter 620 for transmitting optical signals, a packagedreceiver 621 for receiving optical signals, a pair of shieldingcollars SC connectors U-Plate 624. The shieldingcollars - In one embodiment, the
transmitter 620 is an 850-nm VCSEL and thereceiver 621 an integrated GaAs PIN-preamplifier or PIN-diode. - The printed
circuit board 610 includes one or more PCB signal pins 612, edge traces 614 on each side for straddle mounting thetransmitter 620 and thereceiver 621, andintegrated circuits 616 for processing signals between the signal pins 612 and thetransmitter 620 and thereceiver 621. Theintegrated circuits 616 may use a five volt (5v), a three volt (3v) or other common power supply voltage used in integrated circuits and host systems. The PCB signal pins 612 can include a transmit ground pin for transmitter components and a receive ground pin for receiver components. In an alternate embodiment, a single ground pin for electronic components may be provided, isolated from any shielding ground features for the fiber-optic module. The printed circuit board (PCB) 610 may have a ground plane on its top or bottom surfaces to couple to ground and further provide electromagnetic shielding. - The
module chassis frame 120 includes a rectangular opening orslot 626, a pair of mountingposts 632 extending from itsbase 604 near left and right sides,slots walls more pin openings 636, and one or moreoptical connector receptacles 211 with one or moreoptical connector openings 212. In one embodiment, the one or moreoptical connector openings 212 is two and the optical connector openings are SC optical connector openings for a duplex SC optical connection. The one or moreoptical connector openings 212 is separated by aslot 638. Therectangular opening 626 receives theU-plate 624. The one ormore pin openings 636 receives the one or more PCB signal pins 612. Theslots circuit board 610. The pair of mountingposts 632 allow the transceiver to be mechanically coupled to a printed circuit board or the like. The mountingposts 632 can also be connected to chassis ground but should not be connected to signal ground. - The grounding scheme of the fiber-optic module can be divided into categories of signal grounding and chassis grounding. The separation of signal grounding from chassis grounding can keep currents induced in a chassis ground from affecting signal integrity. Signal ground is through one or more ground pins of the PCB pins612 coupled from the
PCB 610 to a ground trace in a host printed circuit board. The housing/shielding unit shielding unit shielding unit - The packaged
transmitter 620 may contain a VCSEL or a conventional semiconductor laser and is mounted inside thetransmitter port 623A. The packagedreceiver 621 may include a PIN diode that is mounted inside thereceiver port 623B. In one embodiment, the transmitter and receiver are each packaged into a TO package and may be referred to as the Tx Header and Rx Header respectively. Each of the packagedtransmitter 620 andreceiver 621 have one or more pins orterminals 619 which couple to the edge traces 614 on each side of the printedcircuit board 610 to straddle mount them. - The
SC connectors lens ports SC connectors protrusion 653, ferrule barrels 654, support struts 656 in a front portion. Each of theSC connectors circular recesses 657 between each of theheaders respective flanges 655 in a rear portion. Each of thecircular recesses 657 mates with theU-shaped openings 627 of theU-plate 624. - The transmitter package is assembled to the SC connector to form the Transmitter Optical Subassembly (Tx OSA). This Transmitter Optical Subassembly is then soldered onto the
PCB 610. Prior to soldering theheader assemblies collars ports PCB 610 may be secured by two press-fit slots, one in each inner side of themodule chassis frame 120. TheU-plate 624 provides additional EMI sealing by minimizing leakage through the front of the module. The U-plate 624 also includes aflap 625 located at its top side. TheU-plate 624 is electrically grounded to the housing/shielding unit 115 by theflap 625 making physical contact with the housing/shielding unit 115. - The optical, electro-optical, and the electronic components are assembled into the
module chassis frame shielding unit 115 encloses it. Thetransmitter 620 and thereceiver 621 have theirpins 619 coupled to thetraces circuit board 610. In one embodiment thepins 619 are straddle mounted to the printedcircuit board 610 with somepins 619 coupled to thetraces 614T on a top side of thePCB 610 andother pins 619 coupled to thetraces 614B on a bottom side of thePCB 610. That is, one or more pins mount to one or more traces on one side of the printed circuit board and another one or more pins mount to one or more traces on an opposite side of the printed circuit board. - The
shielding collars ports connectors transmitter 620 andreceiver 621 are coupled into theports module chassis frame 120. The front portion of theconnectors openings 212 in the nose of themodule chassis frame 120 so that the pairs of snap lock clips 652 of each are nearly flush. Next theU-plate 624 is inserted intoopening 626 so that its U-openings 627 fit into thecircular recesses 657 of eachrespective connector module chassis frame 120. Additionally, the U-plate 624 can couple to theshielding collars shielding unit flap 625 of the U-plate 624 couples to the housing/shielding unit collars shielding unit shielding unit collars - After the subassembly of optical and electrical components are coupled into the
module chassis frame shielding unit shielding unit module chassis frame - The housing/
shielding unit module chassis frame shielding unit module chassis frame shielding unit - In one embodiment, the housing/
shielding unit 115 has all sides pre-folded but for theback side 119. Theback side 119 is left unfolded so that themodule chassis frame 120 can be inserted through a rear opening of the housing/shielding unit 115. In this case, a nose end of themodule chassis frame 120 and the subassembly of optical and electrical components affixed thereto is inserted through the rear opening in the back of the housing/shielding unit 115 with its nose facing forward. After being completely inserted, theback side 119 is then folded down to have thetangs side shielding unit 115 around themodule chassis frame 120. - In another embodiment, the housing/
shielding unit 115 has all sides pre-folded but for theseptum 411 andstrap 210. Theseptum 411 andstrap 210 are left unfolded so that themodule chassis frame 120 can be inserted through a frontal opening of the housing/shielding unit 115. Theseptum 411 andstrap 210 are then folded around themodule chassis frame 120 to form the housing/shielding unit 115. In this case, a rear end of themodule chassis frame 120 and the affixed subassembly of optical and electrical components is inserted through the frontal opening of the housing/shielding unit 115 so that the rear faces rearward. After being completely inserted, theseptum 411 andstrap 210 are then folded down and around as illustrated in FIG. 5 to finish assembly of the housing/shielding unit 115 around themodule chassis frame 120. - In yet another embodiment, all sides of the housing/
shielding unit 115 are folded around themodule chassis frame 120 and its affixed components. These methods of assembly are further described below with reference to FIGS. 14-17C. - After assembling the housing/
shielding unit 115 around themodule chassis frame 120 and its affixed components, then theseptum 411 is welded, soldered, glued, or otherwise fastened to the pair offlaps - Referring now to FIG. 7, an perspective view of a housing/
shielding unit 715 and themodule chassis frame 120 for a fiber-optic module 700 are illustrated. The housing/shielding unit 715 is somewhat similar to the housing/shielding unit 115 but has slightly different dimensions, a few different features and employed in different mounting configurations. The housing/shielding unit 715 has one ormore fingers 712 which are carved out of the surfaces near theperimeter 735 of anopen end 739. The one or more fingers can also be referred to as tabs. The one or more fingers are similarly shaped having a body and a tip which is round in one embodiment. The body of thefingers 712 is bent from the main surface while the tips may be slightly bent from the body to horizontal with the surface. Thefingers 712 have a backwards orientation, originating at the front or nose of the fiber-optic module 700. Thus, the one ormore fingers 712 may also be referred to as backward fingers and the fiber-optic module 700 with the housing/shielding unit 715 may also be referred to as a fiber-optic module with a backward shield configuration. - The
fingers 712 can be grouped intofingers 712A andfingers 712C located on a top 716 and a bottom 730 respectively of the housing/shielding unit 715.Fingers shielding unit 715. Although FIG. 7 illustrates sixfingers 712A on atop side 716 and sixfingers 712C on abottom side 730, twofingers 712B on aleft side 717, and twofingers 712D on aright side 718, one or more fingers 727 can provide a means of grounding the housing/shielding unit 715. - The housing/
shielding unit 715 differs further from the housing/shielding unit 115 in that it has adifferent nose strap 710. Thestrap 710 and theseptum 711 function similarly to thestrap 210′ and theseptum 411 of the housing/shielding unit 115′. Because the dimensions of the housing/shielding unit 715 are larger so that it can extend further forward through an opening, thestrap 710 differs significantly from thestrap 210 of the housing/shielding unit 115. - Referring now to FIG. 8A, a front view of the housing/
shielding unit 715 is shown. In this embodiment, the housing/shielding unit 715 generally has the shape of an oblong box having six sides. Front side 738 has afrontal opening 739 where themodule chassis frame 120 can be inserted. The front side 738 of the housing/shielding unit 715 includes theseptum 710 that is welded or bonded to theflaps nose strap 711 also located at theopening 739 is used for strapping the housing/shielding unit to themodule chassis frame 120. - Referring now to FIG. 9A, a bottom isometric view of the housing/shielding unit is shown. Attached to the
open end 911 is afront strap 710 shown in the folded down position. Also shown, are twobottom flaps septum 711. - Referring now to FIG. 8B, a front view an alternate embodiment of the housing/
shielding unit 715′ is shown. In this alternate embodiment, the housing/shielding unit 715′ generally has a similar shape to the housing/shielding unit 715. The housing/shielding unit 715′ differs from housing/shielding unit 715 in the left side, right side, bottom side and the back side. That is backside 719 is replaced byback side 719′ with a retainingflap 429;left side flap 717 is replaced byleft side flaps right side flap 718 is replaced by right side flaps 718A and 718B separated by a right side slit 1611R; and bottom side flaps 910A and 910B are replaced by bottom side flaps 910A′ and 910B′. Otherwise the housing/shielding unit 715′ and the housing/shielding unit 715 have similar elements and features including the one ormore fingers - The housing/
shielding unit 715′ forms an enclosure that surrounds amodule chassis frame Fingers shielding unit 715′ to seal in electromagnetic radiation (EMI) to minimize affecting a host system. - Referring now to FIG. 9B, a bottom isometric view of the alternate housing/
shielding unit 715′ is shown. Attached to theopen end 911 is afront strap 711 shown in the folded down position. Also shown, are twobottom flaps 910A′ and 910B′ for welding or bonding toseptum 710. - Referring now to FIGS. 10A and 10B, a top and bottom exploded view of the fiber-
optic module 700 of the invention is shown. In one embodiment, the fiber-optic module 700 is a 1×9 fiber-optic transceiver module. In which case, the fiber-optic module transceiver complies with the industry standard 1×9 footprint and meets the mezzanine height requirement of 9.8 mm. - The grounding scheme of the fiber-optic module can be divided into categories of signal grounding and chassis grounding. The separation of signal ground from chassis ground can keep currents induced in a chassis ground from affecting signal integrity. Signal ground is through one or more ground pins of the PCB pins612 coupled from the
PCB 610 to a ground trace in a host printed circuit board. The housing/shielding unit shielding unit fingers 712. The one ormore fingers 712 couple to a host panel near a host panel opening through which the fiber-optic module may extend. Thefingers 712 contact the host panel opening and effectively reduce the size of the opening through which radiated electromagnetic energy may escape to seal the host panel opening through which the fiber-optic module may protrude. With the housing/shielding unit - The fiber-
optic module 700 of the invention includes a housing/shielding unit module chassis frame module chassis frame 120. These components and their assembly were previously described with reference to FIG. 6 and the fiber-optic module 100 and are not repeated again for brevity. When the housing/shielding unit flap 625 of the U-plate 624 so that it an be electrically grounded to chassis ground. Additionally, the U-plate 624 can couple to theshielding collars collars shielding unit shielding unit collars - After all the components have been attached to the
module chassis frame shielding unit shielding unit module chassis frame 120 can be performed in the same ways previously described for the housing/shielding unit - Referring now to FIGS. 11A and 11B, a magnified side view and a magnified frontal view of the fiber-
optic module 700 within a host system is illustrated. The fiber-optic module 700 includes a backward shield which is provided by the one-piece or single-piece integrated housing/shielding unit optic module 700 with the one-piece or single-piece integrated housing/shielding unit optic module 700 is coupled to a printedcircuit board 1130 within the host system. A bezel, faceplate, orbackplate 1110 of the host system has a transceiver opening 1112 through which the nose of the fiber-optic module extends when its coupled to the host system. Thetransceiver opening 1120 of thebezel 1110 is sized to appropriately mate with thefingers 712 of the fiber-optic module 700. Theopening 1120 has an inner surface 1114 which mates with thefingers 712 to make an electrical coupling. By making contact to the inner surface 1114, a backside surface of thebezel 1110 can be insulated to avoid shorting an electrical component that might make contact thereto. When the nose of the fiber-optic module is inserted into the opening 1112 or the opening 1112 is threaded over the nose of the fiber-optic module 700, thefingers 712 compress towards the fiber-optic module when mating with the inner surface 1114 and expand outward to form a tight mechanical fit and a reliable electrical connection. The expansion of thefingers 712 outward effectively make theopening 1120 smaller through which radiated electromagnetic energy might otherwise escape. Thefingers 712 also deter the nose of the fiber-optic module 700 from extending excessively out through theopening 1120 of thebezel 1110. With thebezel 1110 grounded by the chassis of the host system, the housing/shielding unit 715 of the fiber-optic module can be grounded by one ormore fingers 712 coupling to the inner surface 1114 of theopening 1120. Alternatively, the housing/shielding unit 715 of thetransceiver 700 can be grounded through a pin or other connection coupled to thePCB 1130 of the host system. - Referring now to FIGS. 12A and 12B, a magnified side view and a magnified frontal view of the fiber-
optic module 100 within a host system is illustrated. The host system may be a switch, bridge, a server, personal computer, or other network or electronic equipment desiring to connect to a communication system using an fiber-optic module. The fiber-optic module 100 is coupled to a printedcircuit board 1130 within the host system. A bezel, faceplate, orbackplate 1210 of the host system has atransceiver opening 1220 through which the nose of the fiber-optic module partially extends when coupled to the host system. The fiber-optic module 100, a forward shield configuration with the one-piece or single-piece integrated housing/shielding unit transceiver opening 1220 of thebezel 1210 is sized appropriately to allow insertion of a fiber-optic connector into the fiber-optic module 100. The bezel, faceplate, orbackplate 1210 of the host system has abackside surface 1214 to which thefingers 112 can make an electrical and a mechanical coupling. Furthermore, thefingers 112 deter the EMI of both the fiber-optic module 100 and thehost system board 1130 from extending excessively out through the transceiver opening 1212 of thebezel 1210. When the nose of the fiber-optic module is inserted into the opening 1112 or the opening 1112 is threaded over the nose of the fiber-optic module 100, one or more of thefingers 112 couple to theback side surface 1214 around the opening 1212 of thebezel 1210. With thebezel 1210 grounded by the chassis of the host system, the housing/shielding unit 115 of the fiber-optic module 100 can be grounded by one ormore fingers 112 coupling to theback side surface 1214 of thebezel 1210. Alternatively if the bezel is coupled to a chassis ground trace, the housing/shielding unit optic module 100 can be grounded through a pin or other grounding feature that is coupled to a chassis ground trace of thePCB 1130 of the host system commonly coupled to the bezel. - Referring now to FIG. 13, an
exemplary host system 1300 is illustrated having the fiber-optic module 100 and the fiber-optic module 700. Thehost system 1300 has a bezel, a faceplate or ahost panel 1310 withopening 1120 andopening 1220 for the fiber-optic module 700 and the fiber-optic module 100 respectively. The fiber-optic module 700 is coupled to host printedcircuit board 1130. The fiber-optic module 100 is coupled to host printedcircuit board 1130′. The host printedcircuit boards fiber optic module openings shielding unit optic module 700 and the housing/shielding unit optic module 100 respectively, thehost system 1300 begins to resemble a Faraday cage. The housing/shielding unit openings host panel 1310 to deter electromagnetic radiation from leaking into or out of the host system. The one ormore fingers 112 of the housing/shielding unit opening 1220. The one ormore fingers 112 of the housing/shielding unit opening 1120. With the housing/shielding unit - Most equipment such as the
host system 1300 utilizing high-speed fiber-optic modules are required to meet the requirements of: 1) the FCC in the United States; 2) the CENELEC EN55022 (CISPR 22) specification in Europe; and 3) the VCCI in Japan. The fiber-optic modules optic modules optic modules internal shields module chassis frame shielding unit fingers optic modules - The fiber-
optic modules Class 1 eye safety and comply with FDA 21CFR1040.10 and 1040.11 and the IEC 825-1. - Referring now to FIGS.14-17C, methods of forming the housing/shielding
units 115′ and 715′ out of a sheet of a material layer and assembly with themodule chassis frame - In FIG. 14, a starting sheet of a layer of
material 1400 for the housing/shieldingunits material 1400 is a conductive material and can be a metal, a plated plastic, a conductive plastic or other known type of electrically conductive material. A first step in the process is to stamp, etch or cut the patterns for the housing/shielding unit material 1400. - Referring now to FIG. 15A, an unfolded
flat pattern layout 1500 for the housing/shielding unit 115′ is illustrated. The unfoldedflat pattern layout 1500 is a patterned material layer for the housing/shielding unit 115′ formed out of the starting sheet of the layer ofmaterial 1400. In the unfoldedflat pattern layout 1500, theforward fingers 112,tangs strap 210 and theseptum 411′ of the housing/shielding unit 115′ are easily discernable. A pair of left andright window openings flat pattern layout 1500. - Referring now to FIG. 15B, fold/bend lines are illustrated on the unfolded
flat pattern layout 1500 to form the housing/shielding unit 115′. A slightly alternate pattern and alternate fold/bend lines can be utilized to form the housing/shielding unit 115. The fold/bend lines illustrated on the unfoldedflat pattern layout 1500 make other features and components of the housing/shielding unit 115′ discernable. The fold/bend lines illustrated in FIG. 15B include left flap and rightflap fold lines flap fold line 1504, left and righttang fold lines flap fold line 1506, left wing and rightwing fold lines base bend line 1512, left bottom flap and right bottomflap fold lines strap fold line 1516, and aseptum fold line 1517. - A
left wing 1520L and aright wing 1520R includetang window openings tangs tang window openings back side 119′ after folding. Theseptum 411′ is coupled to theright bottom flap 415A and theleft bottom flap 415B with an adhesive or a weld to hold the housing/shielding unit and the module chassis frame assembled together. - The left
wing fold line 1508L defines theleft wing 1520L from theleft side flap 117B. The rightwing fold line 1508R defines theright wing 1520R from theright side flap 118B. The rightside fold line 1502R and the right side slit 1511R definesright flaps top side 116. The leftside fold line 1502L and the left side slit 1511L defines leftflaps top side 116. The right bottomflap fold line 1514R defines theright bottom flap 415A. The left bottomflap fold line 1514L defines theleft bottom flap 415B. The retainingflap fold line 1506 defines a retainingflap 429 coupled to theback side flap 119′. - The fold/bend lines illustrated on the unfolded
flat pattern layout 1500 are folded and/or bent to form the housing/shielding unit 115′ as illustrated in FIG. 4B. Generally, the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of thetangs fingers 112 may be first bent or lastly bent to curve outward along the bend lines 1512. The left flaps 117A and 117B and theright flaps fold lines right bottom flap 415A and theleft bottom flap 415B are next folded along the right bottomflap fold line 1514R and the left bottomflap fold line 1514L respectively. The next sequence of fold/bend steps can depend upon the method of assembly of the fiber-optic module utilized. - In a first case, the front of the housing/
shielding unit 115′ is assembled first. In this case, theseptum 411′ is folded alongfold line 1517 and then thestrap 210′ is folded alongfold line 1516. This is followed by theleft wing 1520L and theright wing 1520R being folded along the leftwing fold line 1508L and the rightwing fold line 1508R respectively; theback side flap 119′ being folded along thefold line 1504; thetangs fold lines flap 429 being folded along the retainingflap fold line 1506. - In a second case, the rear of the housing/
shielding unit 115′ is assembled first. In this case, theleft wing 1520L and theright wing 1520R are folded along the leftwing fold line 1508L and the rightwing fold line 1508R respectively; theback side flap 119′ is folded along thefold line 1504; thetangs fold lines flap 429 is folded along the retainingflap fold line 1506. This is followed by theseptum 411′ being folded alongfold line 1517 and then thestrap 210′ folded alongfold line 1516. - In yet another case for assembly of the fiber-optic module, either order of assembly in the first or second case can be utilized or mixed together. The one or
more fingers 112 may alternately be bent outward from a frontal opening the into their curved shape as a last step in the folding/bending process. - A slightly alternate pattern of the
layout 1500 with alternate fold/bend lines is utilized to fold and bend into shape to form the housing/shielding unit 115 as illustrated in FIGS. 1-3, 4A, 5 and 12A. - Referring now to FIG. 15C, an unfolded
flat pattern layout 1500′ for the housing/shielding unit 115 is illustrated. The unfoldedflat pattern layout 1500 is a patterned material layer for the housing/shielding unit 115 formed out of the starting sheet of the layer ofmaterial 1400. In the unfoldedflat pattern layout 1500′, theforward fingers 112,tangs strap 210 and aseptum 411 of the housing/shielding unit 115 are easily discernable. The pair of left andright window openings flat pattern layout 1500′. - Referring now to FIG. 15D, fold/bend lines are illustrated on the unfolded
flat pattern layout 1500′ to form the housing/shielding unit 115. The fold/bend lines illustrated on the unfoldedflat pattern layout 1500′ make other features and components of the housing/shielding unit 115 discernable. The fold/bend lines illustrated in FIG. 15D include left flap and rightflap fold lines 1502L′ and 1502R′, a backflap fold line 1504, left and righttang fold lines wing fold lines base bend line 1512, left bottom flap and right bottomflap fold lines 1514L′ and 1514R′, a firststrap fold line 1516′, and a secondstrap fold line 1517′. - The fold bend lines of the unfolded
flat pattern layout 1500′ are similar to the fold/bend lines of the unfoldedflat pattern layout 1500 but for left flap and rightflap fold lines 1502L′ and 1502R′, left bottom flap and right bottomflap fold lines 1514L′ and 1514R′, a firststrap fold line 1516′, and a secondstrap fold line 1517′. - The right
side fold line 1502R′ defines theright flap 118 from thetop side 116. The leftside fold line 1502L′ defines leftflap 117 from thetop side 116. The right bottomflap fold line 1514R′ defines the right bottom flaps 402A and 405A. The left bottomflap fold line 1514L′ defines the left bottom flaps 402B and 405B. Theback fold line 1504 defines theback side flap 119 from thetop side 116. - The first
strap fold line 1516′ and the secondstrap fold line 1517′ define thefirst extension portion 210A, thewrap portion 210B and thesecond extension portion 210C of thestrap 210. Thestrap 210 is folded along the firststrap fold line 1516′ and the secondstrap fold line 1517′. Theseptum 411 can couple to the right bottom flaps 402A and 405A and the left bottom flaps 402B and 405B with an adhesive or a weld to hold the housing/shielding unit and the module chassis frame assembled together. - The fold/bend lines illustrated on the unfolded
flat pattern layout 1500′ are folded and/or bent to form the housing/shielding unit 115 as illustrated in FIGS. 1, 2, 3, and 4A. Generally, the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of thetangs fingers 112. Thefingers 112 may be first bent or lastly bent to curve outward along the bend lines 1512. Theleft flap 117 and theright flap 118 may be the next to be folded or they may be the first to be folded alongfold lines 1502L′ and 1502R′. The right bottom flaps 402A and 405A and the left bottom flaps 402B and 405B are next folded along the right bottomflap fold line 1514R′ and the left bottomflap fold line 1514L′ respectively. The next sequence of fold/bend steps can depend upon the method of assembly of the fiber-optic module utilized. These were previously described with reference to the unfoldedflat pattern layout 1500 of FIG. 15B. - Referring now to FIG. 16A, the unfolded
flat pattern layout 1600 for the housing/shielding unit 715′ is illustrated. The unfoldedflat pattern layout 1600 is a patterned material layer for the housing/shielding unit 715′ formed out of the starting sheet of the layer ofmaterial 1400. In the unfoldedflat pattern layout 1600, thebackward fingers 712,tangs strap 710 and theseptum 711 of the housing/shielding unit 715′ are easily discernable. A pair of left andright window openings flat pattern layout 1600. - Referring now to FIG. 16B, fold/bend lines are illustrated on the unfolded
flat pattern layout 1600 to form the housing/shielding unit 715′. A slightly alternate pattern and alternate fold/bend lines can be utilized to form the housing/shielding unit 715. The fold/bend lines illustrated on the unfoldedflat pattern layout 1600 make other features of the housing/shielding unit 715′ discernable. - The fold/bend lines illustrated in FIG. 16B include left flap and right
flap fold lines flap fold line 1604, left and righttang fold lines 1605L and 1605R, retainingflap fold line 1606, left wing and rightwing fold lines base bend line 1612B, fingertip bend line 1612T, left bottom flap and right bottomflap fold lines 1614L and 1614R,strap fold line 1616,septum fold line 1617. Generally, the folds along fold lines are made at nearly a ninety degree angle but for the fold lines of thetangs - A
left wing 1620L and aright wing 1620R includewindow openings tangs window openings back side 719′ after folding. - The left
wing fold line 1608L defines theleft wing 1620L from theleft side flap 717B. The rightwing fold line 1608R defines theright wing 1620R from theright side flap 718B. The rightside fold line 1602R and the right side slit 1611R definesright flaps top side 716. The leftside fold line 1602L and the left side slit 1611L defines leftflaps top side 716. The right bottomflap fold line 1614R defines theright bottom flap 910A′. The left bottom flap fold line 1614L defines theleft bottom flap 910B′. The retainingflap fold line 1606 defines aretaining flap 1626 coupled to theback side flap 719′. - The fold/bend lines illustrated on the unfolded
flat pattern layout 1600 are respectively folded and/or bent to form the housing/shielding unit 715′ as illustrated in FIGS. 8B and 9B. The sequence of folding and bending of the fold lines in the unfoldedflat pattern layout 1600 is similar to that of the unfoldedflat pattern layout 1500 but for the fingers. Thefingers 712 for the housing/shielding unit 715′ or 715 are generally easier to push or pull out of the surface of the unfoldedflat pattern layout 1600 first. Then, the sequence of folding and bending can proceed similarly for any of the three methods of assembly previously described. - Referring now to FIGS.17A-17C, methods of assembly of the housing/shielding
units module chassis frame 120 is illustrated. - In FIG. 17A, the
layout module chassis frame 120. Folding and bending is then performed around themodule chassis frame shielding unit shielding unit module chassis frame tangs window openings optic module 100 illustrated in FIG. 1 for example. - In FIG. 17B, the
layout fold lines shielding unit strap 710 and theseptum 711 being folded. Themodule chassis frame strap septum fold lines module chassis frame shielding unit septum optic module 100 illustrated in FIG. 1 for example. - In FIG. 17C, the
layout fold lines septum shielding unit back side flap 119′ or 719′ and the left andright wings module chassis frame right wings side flap 119′ or 719′ alongfold lines tangs fold lines openings back side flap 119′ or 719′ held in place, the housing/shielding unit module chassis frame optic module 100 illustrated in FIG. 1 for example. - Fingers of a housing/shielding unit can deter electromagnetic radiation from leaking out of the opening by expanding and/or surrounding one or more portions of the opening or expanding into host tabs as will be illustrated below. In either case the fingers of the housing/shielding unit can make a connection to ground for the shielded housing/cover.
- Referring now to FIG. 24, a
fiber optic module 2400 is illustrated for another embodiment of the invention.Fiber optic module 2400 includes a shielded housing/cover 2415 as well as other elements previously described in reference tofiber optic modules cover 2415 maybe an integrated one-piece housing/cover or a two-piece housing/cover. In the case of a two-piece housing/cover the shielded housing/cover includes a front-shielded housing/cover 2415A and rear shielded housing/cover 2415B. The rear shielded housing/cover 2415B overlaps a portion of the front-shielded housing/cover 2415A. Alternatively, the front shielded housing/cover 2415A could overlap a portion of the rear housing/cover 2415B. Thefiber optic module 2400 provides forward fingers on the perimeter of the top and bottom of the nose and backward fingers in the sides near the nose and the perimeter of the shieldedhousing 2415. Shielded housing/cover 2415 includesforward fingers 112A′ on the top side near the perimeter,forward fingers 112C′ on the bottom side near the perimeter,backward fingers 712B′ in the left side, andbackward fingers 712D′ in the right side near the perimeter. The shieldedhousing 2415 includes a fronttop side 2416A, a reartop side 2416B, a frontleft side 2417A, a rearleft side 2417B, abackside 2419, a frontright side 2418A, and a rearright side 2418B. The shielded housing/cover 2415 also includes astrap 210′ and aseptum 411′. - Referring now to FIG. 25, a bottom perspective view of the
fiber optic module 2400 is illustrated.Fiber optic module 2400 includes the chassis/base base vent openings 633 on the bottom side thereof. Theleft side 2417B of the shielded housing/cover 2415 meets thebackside 2419 of the shielded housing/cover 2415 at a corner which may use a tongue andgroove coupling 2430. Therear portion 2415B of the shielded housing/cover 2415 can include aback edge wrap 2429B, aleft edge wrap 2429L and a right edge wrap 2429R. When assembled with chassis/base base cover 2415A includes a rightside bottom flap 415A and a left sidebottom flap 415B. When assembled with chassis/base side bottom flap 415A and the left sidebottom flap 415B of the shielded housing/cover can be formed around chassis/base strap 210′ in place around the chassis/base septum 411′ can be overlapped by the left and rightside bottom flap - The
forward fingers 112A′ and 112C′ and thebackward fingers 712B′ and 712D′ can be formed out of different shapes including round fingertips, rectangular fingertips, or triangular fingertips. The fingers maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around an opening in an enclosure, faceplate, or bezel for input/output connections. As previously mentioned the shielded housing/cover 2415 can be an integrated one piece or a two-piece design. Similarly the shieldedhousing rear portion 2415B of the shielded housing/cover maybe used interchangeably with different front portions, such as thefront portion 2415A of the shielded housing/cover 2415. That is, by simply changing the front portion of the shielded housing/cover, backward fingers maybe supplied on top, bottom, left and right sides or forward fingers maybe provided on left, right, top and bottom sides or any combination thereof. This allows flexible assembly of fiber optic modules. The decision of the type of shielding for the fiber optic module can be postponed until the subassembly of the chassis is completed and the rear portion of the shielded housing is wrapped around it. The front portion of the shielded housing/cover being interchangeable, allows flexibility in manufacturing and meeting the demands of customers. - Referring now to FIG. 26A, a rear perspective view of the
fiber optic module 2400 illustrates theforward fingers 112A′ having rounded tips while thebackward fingers 712B′ have more of a triangular shaped tip. - Referring now to FIG. 26B, a top view of the
fiber optic module 2400 illustrate differences in the positions of theforward fingers 112A′ and 112C′ and thebackward fingers 712B′ and 712D′ in thefront portion 2415A of the shielded housing/cover 2415. - Referring now to FIG. 27, a side view of the
fiber optic module 2400 better illustrates different possible shapes for the forward fingers. The forward fingers may be curved or bent in differing places. The front shielded housing/cover 2415A includes theforward fingers 112A′ on a top side and theforward fingers 112C′ on a bottom side. Theforward fingers 112A′ are illustrated as being curved or arched shaped in FIG. 27. Theforward fingers 112C′ are illustrated as being bent in two places (i.e. bent shaped) in FIG. 27 but can take on a curved or arched shape or other bent configuration in order to make contact with a back side surface of a bezel, faceplate, or backplate. Theforward fingers 112A′ can take on a bent shape or other bending configuration in order to make contact to a back side surface of a bezel, faceplate, or backplate. - Referring now to FIG. 28, a front view of the
fiber optic module 2400 is illustrated mounted adjacent a bezel, faceplate, orbackplate 2810. The bezel, faceplate, orbackplate 2810 includes anopening 2820 to allow a fiber optic plug to be inserted into thefiber optic module 2400. Duplex SC receptacles for duplex SC plugs, provided in one embodiment, can be readily seen in the front view of thefiber optic module 2400 separated by thestrap 210′. - To seal around the
opening 2820, theforward fingers 112A′ and 112C′ couple (i.e. press) against the backside surface of the bezel, faceplate, orbackplate 2810 adjacent to theopening 2820 without coupling into theopening 2820. That is, theforward fingers 112A′ and 112C′ are not inserted into theopening 2820. The left and right sidebackward fingers opening 2820 nor do they couple against the backside surface of the bezel, faceplate, orbackplate 2810. Rather, the backsidebackward fingers backplate 2810. - Referring now to FIG. 29, a cutaway side view of the
fiber optic module 2400 inserted into ahost system 2900 is illustrated. Thefiber optic module 2400 couples to a host printedcircuit board forward fingers 112A′ and the bottomforward fingers 112C′ couple to abackside surface 2902 of the bezel, faceplate, orbackplate 2810 as illustrated in FIG. 29. The topforward fingers 112A′ and the bottomforward fingers 112C′ do not couple to aninside surface 2902 of theopening 2820. Neither do thebackward fingers 712D′ couple into theopening 2820. As can be seen, thebackward fingers 712D′ (as well as thebackward fingers 712B′) are offset from theopening 2820 and thebackside surface 2902 of the bezel, faceplate, orbackplate 2810. - Referring now to FIG. 30, a topside view of the
fiber optic module 2400 coupled into thehost system 2900 is illustrated. As can be seen as viewed from the topside, thehost system 2900 includes a leftside host tab 3010B and a rightside host tab 3010A. The right sidebackward fingers 712D′ couple to aninside surface 3014A of thehost tab 3010A. The left sidebackward fingers 712B′ couple to aninside surface 3014B of thehost tab 3010B. Thehost tabs cover 2415A. The overlap may provide improved EMI performance in deterring electromagnetic radiation from leaking in and out of theopening 2820. Thehost tabs fiber optic module 2400, while the printedcircuit board host tabs backside 2902 of the bezel, faceplate, orbackplate 2810. Alternatively, thehost tabs backplate 2810 and extend backward from thebackside 2902. The topforward fingers 112A′ and the bottomforward fingers 112C′ do not couple to thehost tabs fiber optic module 2400 can have its nose flush with thefaceplate 2810. - Referring now to FIG. 31, an unfolded flat pattern layout of the
front portion 2415A (i.e., the front shielded housing/cover) of the shieldedhousing 2415 is illustrated. The rear shielded housing/cover 2415B can be envisioned by slightly modifying FIG. 16B so that theslits flat pattern layout 2415A is a patterned material layer formed out of the starting sheet of the layer ofmaterial 1400. The front shielded housing/cover 2415A and the rear shielded housing/cover 2415B can be stamped, cut or etched out of a conductive material (i.e. a metal such as stainless steel for example). As mentioned previously, theforward fingers 112A′ and 112C′ and thebackward fingers 712B′ and 712D′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips. - Referring now to FIG. 32, fold/bend lines are illustrated on the unfolded flat pattern layout of the front shielded housing/
cover 2415A. The fold/bend lines illustrated on the unfolded flat pattern layout make other features of the front shielded housing/cover 2415A discernable. - The fold/bend lines illustrated in FIG. 32 include left flap and right flap fold lines3202L and 3202R, left bottom flap and right bottom
flap fold lines base bend line 1512, the backward fingerbase bend line 1612B, the fingertip bend line 1612T, thestrap fold line 1616, and theseptum fold line 1617. Generally, the folds along fold lines are made at nearly a ninety degree angle but for the bend lines of thefingers 112A′, 112C′, 712B′, and 712D′. - The right bottom
flap fold line 3214R defines theright bottom flap 415A. The left bottomflap fold line 3214L defines theleft bottom flap 415B. The right side fold line 3202R and the right bottomflap fold line 3214R define the frontright side 2418A. The left side fold line 3202L and the left bottomflap fold line 3214L define the frontleft side 2417A. The left flap and right flap fold lines 3202L and 3202R define the fronttop side 2416A. - The fold/bend lines illustrated on the unfolded flat pattern layout of FIG. 32 are respectively folded and/or bent to form the front shielding/
cover 2415A as illustrated in FIGS. 24-30. The sequence of folding and bending of the fold lines in the unfolded flat pattern layout of the front shielded housing/cover 2415A is similar to that of the unfoldedflat pattern layouts backward fingers 712B′ and 712D′ can be first pushed or pulled out of the surface of the unfolded flat pattern layout. Then, the sequence of folding and bending can proceed on the front shielded housing/cover 2415A. - As previously mentioned, the
forward fingers 112A′ and 112C′ and thebackward fingers 712B′ and 712D′ may be arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around theopening 2820 and/or couple to thehost tabs - Referring now to FIG. 33, a rear perspective view of a
fiber optic module 3300 is illustrated for another embodiment of the invention.Fiber optic module 3300 includes a shielded housing/cover 3315 as well as other elements previously described in reference tofiber optic modules cover 3315 maybe an integrated one-piece housing/cover or a two-piece housing/cover. In the case of a two-piece housing/cover the shielded housing/cover includes a front-shielded housing/cover 3315A and rear shielded housing/cover 3315B. The rear shielded housing/cover 3315B overlaps a portion of the front-shielded housing/cover 3315A in one embodiment. Alternatively, the front shielded housing/cover 3315A could overlap a portion of the rear housing/cover 3315B in another embodiment. Thefiber optic module 3300 provides forward fingers on the perimeter of the left and right sides of the nose and backward fingers in the top and bottom near the nose and the perimeter of the shieldedhousing 3315. In particular, shielded housing/cover 3315 includesbackward fingers 712A′ in the top side near the perimeter,backward fingers 712C′ in the bottom side near the perimeter (not shown in FIG. 33),forward fingers 112B′ in the left side, andforward fingers 112D′ in the right side near the perimeter. The shieldedhousing 3315 includes a fronttop side 3316A, a reartop side 3316B, a frontleft side 3317A, a rear left side 3317D, abackside 3319, a frontright side 3318A, and a rearright side 3318B. The shieldedhousing 3315 also includes astrap 210′ and aseptum 411′ as is shown in FIG. 25 of the shieldedhousing 2415. -
Fiber optic module 3300 includes the chassis/base base vent openings 633 on the bottom side thereof. Theleft side 3317B of the shielded housing/cover 3315 meets thebackside 3319 of the shielded housing/cover 3315 at a corner which may use a tongue and groove coupling. Therear portion 3315B of the shielded housing/cover 3315 can include a back edge wrap, a left edge wrap and a right edge wrap. When assembled with chassis/base base cover 3315A includes a rightside bottom flap 415A and a left sidebottom flap 415B. When assembled with chassis/base side bottom flap 415A and the left sidebottom flap 415B of the shielded housing/cover can be found around chassis/base strap 210′ in place around the chassis/base septum 411′ can be overlapped by the left and right side bottom flaps 415A and 415B. - The
forward fingers 112B′ and 112D′ and thebackward fingers 712A′ and 712C′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips. The fingers maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around an opening. The shielded housing/cover 3315 can be an integrated one piece or a two-piece design. In this manner, the samerear portion 3315B of the shielded housing/cover maybe used interchangeably with different front portions, such as thefront portion 2415A of the shielded housing/cover 2415. That is, by simply changing the front portion of the shielded housing/cover backward fingers maybe supplied on top, bottom, left and right sides or forward fingers maybe provided on left, right, top and bottom sides or any combination thereof. This allows flexible assembly of fiber optic modules. The decision of the type of shielding for the fiber optic module can be postponed until the subassembly of the chassis is completed and the rear portion of the shielded housing is wrapped around it. The front portion of the shielded housing/cover being interchangeable, allows flexibility in manufacturing and meeting the demands of customers. - Referring now to FIG. 34, a side view of the
fiber optic module 3300 is illustrated. The front shielded housing/cover 3315A includes theforward fingers 112B′ extending from the left side, while theforward fingers 112D′ extend from the right side. Theforward fingers 112B′ can be curved or arched shaped, bent in two places, or otherwise bent in another manner (i.e. bent shaped) in order to make contact with a back side surface of a bezel, faceplate, or backplate. - Referring now to FIG. 35, a top view of the
fiber optic module 3300 illustrates differences in the positions of theforward fingers 112B′ and 112D′ and thebackward fingers 712A′ and 712C′ in thefront portion 3315A of the shielded housing/cover 3415. Theforward fingers 112B′ and 112D′ extend from the perimeter of thefront portion 3315A while thebackward fingers 712A′ and 712C′ are a distance away from the perimeter extending out of the surface of thefront portion 3315A. - Referring now to FIG. 36, a front view of the
fiber optic module 3300 and theforward fingers 112B′ and 112D′ and thebackward fingers 712A′ and 712C′ is illustrated. A bezel, faceplate, or backplate couples to the forward fingers while leaving an opening to allow one or more fiber optic plugs to be inserted into thefiber optic module 3300. Duplex SC receptacles for duplex SC plugs, used in one embodiment, can be readily seen in the front view of thefiber optic module 3300 separated by thestrap 210′. - Referring now to FIG. 37, a cutaway side view of the
fiber optic module 3300 inserted into ahost system 3700 is illustrated. Thefiber optic module 3300 couples to a host printedcircuit board host system 3700 includes a faceplate orbezel 3710 which has anopening 3720 to allow fiber optic plugs to connect to thefiber optic module 3300. Thehost system 3700 includeshost tabs bezel 3710 that can be grounded to chassis ground. Thebackward fingers 712A′ and 712C′ are offset from theopening 3720 and abackside surface 3712 of the bezel, faceplate, orbackplate 3710. The topbackward fingers 712A′ of the shieldedhousing 3315 couple to an inside surface 3374A of thehost tab 3730A. The bottombackward fingers 712C′ couple to an inside surface 3774B of thehost tab 3730B. - The
host tabs cover 3315A. The overlap between the host tabs and the front shielded housing/cover may provide improved EMI performance in deterring electromagnetic radiation from leaking in and out of theopening 3720. Thehost tabs fiber optic module 2400 along with the printedcircuit board host tabs backside 3712 of the bezel, faceplate, orbackplate 3710. Alternatively, thehost tabs backplate 3710 and extend backward from thebackside 3712. The left side forwardfingers 112B′ and the right side forwardfingers 112D′ do not couple to thehost tabs faceplate 3710. - Referring now to FIG. 38, a cutaway topside view of the
fiber optic module 3300 coupled into thehost system 3700 is illustrated. To seal around theopening 3720, theforward fingers 112B′ and 112D′ couple (i.e. press) against thebackside surface 3712 of the bezel, faceplate, orbackplate 3710 adjacent to theopening 3720 without coupling into theopening 3720. That is, theforward fingers 112B′ and 112D′ are not inserted into theopening 3720. The top and bottombackward fingers 712A′ and 712C′ also do not couple into theopening 3720 nor do they couple against thebackside surface 3712 of the bezel, faceplate, orbackplate 3710. Rather, thebackward fingers 712A′ and 712C′ couple to thehost tabs backward fingers 712A′ and 712C′ and nor do theforward fingers 112B′ and 112D′, couple to aninside surface 3724 of theopening 3720. Thus, thefiber optic module 3300 can have its nose flush with thefaceplate 3710. - Referring now to FIG. 39, an unfolded flat pattern layout of the
front portion 3315A (i.e., the front shielded housing/cover) of the shieldedhousing 3315 is illustrated. The rear shielded housing/cover 3315B can be envisioned by slightly modifying FIG. 16B so that theslits - The unfolded
flat pattern layout 3315A is a patterned material layer formed out of the starting sheet of the layer ofmaterial 1400. The front shielded housing/cover 3315A and the rear shielded housing/cover 3315B can be stamped, cut or etched out of a conductive material (i.e. a metal such as stainless steel for example). Theforward fingers 112B′ and 112D′ and thebackward fingers 712A′ and 712C′ can be formed out of different shapes including round fingertips, rectangular fingertips or triangular fingertips. - Referring now to FIG. 40, fold/bend lines are illustrated on the unfolded flat pattern layout of the front shielded housing/
cover 3315A. The fold/bend lines illustrated on the unfolded flat pattern layout make other features of the front shielded housing/cover 3315A discernable. - The fold/bend lines illustrated in FIG. 40 include left flap and right
flap fold lines flap fold lines 4014L and 4014R, the forward fingerbase bend line 1512, the backward fingerbase bend line 1612B, the fingertip bend line 1612T, thestrap fold line 1616, and theseptum fold line 1617. Generally, the folds along fold lines are made at nearly a ninety degree angle but for the bend lines of thefingers 112B′, 112D′, 712A′, and 712C′. - The right bottom
flap fold line 4014R defines theright bottom flap 415A. The left bottom flap fold line 4014L defines theleft bottom flap 415B. The rightside fold line 4002R and the right bottomflap fold line 4014R define the frontright side 3318A. The leftside fold line 4002L and the left bottom flap fold line 4014L define the frontleft side 3317A. The left flap and rightflap fold lines top side 3316A. - The fold/bend lines illustrated on the unfolded flat pattern layout of FIG. 40 are respectively folded and/or bent to form the front shielding/
cover 3315A as illustrated in FIGS. 33-38. The sequence of folding and bending of the fold lines in the unfolded flat pattern layout of the front shielded housing/cover 3315A is similar to that of the unfoldedflat pattern layouts fingers 712A′ and 712C′ can be first pushed or pulled out of the surface of the unfolded flat pattern layout. Then, the sequence of folding and bending can proceed on the front shielded housing/cover 3315A. - The
forward fingers 112B′ and 112D′ and thebackward fingers 712A′ and 712C′ maybe arched shaped or curved or bent in one or more places, in order to provide spring pressure and expand outward to seal around theopening 3720 and/or couple to thehost tabs - The invention has a number of advantages over the prior art which will become clear after thoroughly reading this disclosure.
- The preferred embodiments of the invention are thus described. While the invention has been described in particular embodiments, the invention should not be construed as limited by such embodiments. For example, the fiber-optic modules have been described as having one or more pairs of a transmitter and a receiver for a fiber-optic transceiver module. However, the fiber-optic modules may also have one or more transmitters only or one or more receivers only for a fiber-optic transmitter module or a fiber-optic receiver module. Rather, the invention should be construed according to the claims that follow below.
Claims (79)
1. A fiber-optic module comprising:
a module chassis frame having optical, electrical, and opto-electronic components affixed therein, the optical, electrical, and opto-electronic components to process optical and electrical signals; and
a housing/shielding unit around the module chassis frame, the housing/shielding unit having a frontal opening to accept a fiber-optic cable connector, the housing/shielding unit is conductive and has one or more forward fingers and one or more backward fingers near an edge of the frontal opening to ground the housing/shielding unit and to provide an electromagnetic interference (EMI) seal around an opening in a bezel.
2. The fiber-optic module of claim 1 wherein,
the housing/shielding unit includes a front portion and a back portion.
3. The fiber-optic module of claim 1 wherein,
the housing/shielding unit protects the optical, electrical, and opto-electronic components and shields electromagnetic radiation.
4. The fiber-optic module of claim 1 wherein,
the one or more forward fingers couple to a backside surface of the faceplate near the opening, and
the one or more backward fingers couple to one or more host tabs of the bezel.
5. The fiber-optic module of claim 1 wherein,
the one or more forward fingers curve outward and forward from the edge of the frontal opening.
6. The fiber-optic module of claim 1 wherein,
the one or more backward fingers lift up from one or more surfaces of the housing/shielding unit and extend away from the edge of the frontal opening.
7. The fiber-optic module of claim 1 wherein,
the housing/shielding unit is metal, plated plastic, or conductive plastic.
8. The fiber-optic module of claim 1 wherein,
the module chassis frame is non-conductive and includes a pin to mount the fiber optic module to a host printed circuit board.
9. The fiber-optic module of claim 1 wherein,
the optical, electrical, and opto-electronic components include a transmitter subassembly and a receiver subassembly to transceive optical signals over a duplex optical fiber ribbon and the fiber optic module is a fiber-optic transceiver module.
10. The fiber-optic module of claim 8 wherein,
the fiber optic module includes a duplex SC optical connector and the fiber-optic module is a 1×9 fiber optic module.
11. The fiber-optic module of claim 1 wherein,
at least one forward finger of the one or more forward fingers extends from a right side and a left side of the housing/shielding unit, and
at least one backward finger of the one or more backward fingers extends from a top side of the housing/shielding unit.
12. The fiber-optic module of claim 1 wherein,
at least one forward finger of the one or more forward fingers extends from a right side and a left side of the housing/shielding unit, and
at least one backward finger of the one or more backward fingers extends from a bottom side of the housing/shielding unit.
13. The fiber-optic module of claim 1 wherein,
at least one forward finger of the one or more forward fingers extends from a right side and a left side of the housing/shielding unit, and
at least one backward finger of the one or more backward fingers extends from a top side and a bottom side of the housing/shielding unit.
14. The fiber-optic module of claim 1 wherein,
at least one backward finger of the one or more backward fingers extends from a right side and a left side of the housing/shielding unit, and
at least one forward finger of the one or more forward fingers extends from a top side of the housing/shielding unit.
15. The fiber-optic module of claim 1 wherein,
at least one backward finger of the one or more backward fingers extends from a right side and a left side of the housing/shielding unit, and
at least one forward finger of the one or more forward fingers extends from a top side and a bottom side of the housing/shielding unit.
16. The fiber-optic module of claim 1 wherein,
the one or more fingers are equally sized and equally spaced around each side around a perimeter of the housing/shielding unit.
17. The fiber-optic module of claim 1 , wherein
the housing/shielding unit further has
a pair of bottom side flaps, and
a strap and a septum coupled to the strap,
the strap wrapping around a part of the frontal opening and the module chassis frame, the septum to couple to the pair of bottom side flaps, the strap and the septum to hold the module chassis frame and the housing/shielding unit together.
18. The fiber-optic module of claim 1 wherein,
the housing/shielding unit is an external electromagnetic shield and the fiber-optic module further has an internal electromagnetic shield coupled to the housing/shielding unit.
19. The fiber-optic module of claim 18 wherein,
the internal electromagnetic shield is a U-plate to provide an EMI seal around an optical connector and deter electromagnetic radiation from leaking out through the frontal opening of the fiber optic module.
20. The fiber-optic module of claim 19 wherein,
the U-plate includes a flap, the flap to couple to the housing/shielding unit to ground the U-plate when the housing/shielding unit is grounded.
21. The fiber-optic module of claim 17 wherein,
the internal electromagnetic shield is a shielding collar around an opto-electronic device to shield it from electromagnetic radiation.
22. The fiber-optic module of claim 17 wherein,
the one or more forward fingers of the housing/shielding unit are spring loaded to flex into position and couple to a bezel, faceplate, or panel, and
the one or more backward fingers are spring loaded to flex into position and couple to one or more host tabs.
23. A method of forming a shielded housing for a fiber-optic module, the method comprising:
forming a flat pattern of a front portion of the shielded housing from a sheet of conductive material, the flat pattern including one or more forward fingers and one or more backward fingers;
folding the flat pattern along fold lines to form flaps and sides of the shielded housing; and
bending the flat pattern along bend lines to form the one or more forward fingers and the one or more backward fingers of the shielded housing.
24. The method of claim 23 further comprising:
providing a back portion of the shielding housing to protect components and to shield electromagnetic radiation.
25. The method of claim 23 further comprising:
prior to the folding and the bending,
placing a flat pattern of a back portion of the shielded housing onto a chassis including an opto-electronic device to process optical and electrical signals, and
folding and bending the flat pattern of the back portion around the chassis to partially assemble the chassis and the shielded housing together.
26. The method of claim 23 wherein,
the flat pattern of the front portion of the shielded housing further includes
a strap and a septum.
27. The method of claim 23 wherein,
the folding and the bending of the flat pattern forms the front portion of the shielded housing including
a top side,
a left side flap including a left wing flap, and
a right side flap including a right wing flap.
28. The method of claim 27 wherein,
a strap extends from a front edge of the top side at one end,
and a septum extends at an opposite end of the strap.
29. The method of claim 27 wherein,
the one or more forward fingers extend from a front edge of the top side and the bottom left side flap, and the bottom right side flap.
30. The method of claim 27 wherein,
the one or more forward fingers extend from a front edge of the left side flap and the right side flap,
31. The method of claim 27 wherein,
the one or more backward fingers extend backward near a front edge from a surface of the top side.
32. The method of claim 27 wherein,
the one or more backward fingers extend from a surface of the left side flap and the right side flap.
33. The method of claim 23 wherein,
the forming of the flat pattern of the front portion of the shielded housing includes
etching the sheet of conductive material.
34. The method of claim 23 wherein,
the forming of the flat pattern of the front portion of the shielded housing includes
stamping the sheet of conductive material.
35. The method of claim 23 wherein,
the forming of the flat pattern of the front portion of the shielded housing includes
cutting the sheet of conductive material.
36. A front portion of a shielded housing formed by the method of claim 23 .
37. A method for assembling a fiber optic module comprising:
assembling optical, electrical and optical-electrical components into a chassis to form a first subassembly;
forming a back portion of a shielded housing around the first subassembly to form a second subassembly;
storing the second subassembly in inventory waiting for customer orders; and
if a customer order is received, forming a front portion of the shielded housing around the second subassembly in response thereto.
38. The method of claim 37 wherein,
the front portion of the shielding housing includes one or more forward fingers.
39. The method of claim 37 wherein,
the front portion of the shielding housing includes one or more backward fingers.
40. The method of claim 37 wherein,
the front portion of the shielding housing includes one or more forward fingers and one or more backward fingers.
41. The method of claim 40 wherein,
the forming of the front portion around the second subassembly includes
folding a left side wing and a right side wing.
42. The method of claim 41 wherein,
the forming of the front portion around the second subassembly further includes
folding a strap and a septum, the strap folded across an open end to strap the shielded housing onto the second subassembly, the septum folded into the open end to couple to a bottom side of the shielded housing.
43. The method of claim 37 wherein,
the forming of the front portion of the shielded housing around the second subassembly further includes
forming a pattern of the front portion of the shielded housing into a sheet of conductive material, the pattern including the one or more fingers near an edge,
folding the sheet of conductive material along a plurality fold lines, and
bending the one or more fingers into shape.
44. A fiber optic module formed by the method of claim 37 .
45. A fiber-optic module comprising:
a chassis having a pair of optical connector receptacles at one end and a pair of walls coupled to a base at an opposite end, the pair of walls having slots on inside surfaces, the pair of optical connector receptacles having a rectangular opening along the width of the chassis, the base having one or more pin openings;
a printed circuit board coupled into the slots in the pair of walls of the chassis, the printed circuit board having one or more pins in the one or more pin openings in the base of the chassis, the printed circuit board having electrical components to process electrical signals of the one or more pins;
a pair of opto-electronic components having pins coupled to traces of the printed circuit board at an edge, the traces coupled to the one or more pins or the electrical components of the printed circuit board, the pair of opto-electronic components to process electrical and optical signals;
a pair of optical connectors each having an optical port with a lens, a flange, a snap lock clip, a ferrule barrel, and a recess between the optical port and the flange, the pair of optical ports of the pair of optical connectors coupled to the pair of opto-electronic components respectively at one end and each of the snap lock clip and the ferrule barrel inserted into the respective pair of optical connector receptacles of the chassis at an opposite end;
a plate having a pair of u-shaped openings and a flap, the plate inserted into the rectangular opening of the chassis, the u-shaped openings of the plate engaging the recess between the optical port and the flange in each pair of the optical connectors to hold the pair of opto-electronic components and the pair of optical connectors to the chassis;
a first portion of a shielded housing around the chassis to protect the pair of opto-electronic components and the electrical components; and
a second portion of the shielded housing around the chassis coupled to the plate, the second portion of the shielded housing having one or more forward fingers and one or more backward fingers to couple to a panel.
46. The fiber-optic module of claim 45 wherein,
the shielded housing to conduct electromagnetic radiation to ground.
47. The fiber-optic module of claim 45 wherein, the first portion of the shielded housing to protect the printed circuit board, its electrical components and the pair of opto-electronic devices coupled to the printed circuit board,
the second portion of the shielded housing to shield external electrical components from electromagnetic radiation generated by the pair of opto-electronic devices and the electrical components, and
the second portion of the shielded housing to shield the pair of opto-electronic devices and the electrical components from electromagnetic radiation generated by external electrical components.
48. The fiber-optic module of claim 45 further comprising:
a pair of collars around the optical ports of the pair of optical connectors, the pair of collars coupled to the plate to couple to ground, the pair of collars to shield the pair of opto-electronic devices.
49. The fiber-optic module of claim 48 wherein,
the pair of collars to shield the pair of opto-electronic devices from electromagnetic radiation generated by the other to reduce cross-talk.
50. The fiber-optic module of claim 45 wherein,
the pair of opto-electronic devices couple to the printed circuit board by coupling pins to traces on a top side and a bottom side of the printed circuit board in a straddle mounted configuration.
51. The fiber-optic module of claim 45 wherein,
the chassis is formed of a conductive material to further shield the fiber optic module.
52. The fiber-optic module of claim 51 wherein,
the chassis further has a pair of mounting pins to mount the fiber optic module to a host printed circuit board.
53. The fiber-optic module of claim 45 wherein,
the chassis further has a pair of mounting pins coupled to a bottom surface to mount the fiber optic module.
54. The fiber-optic module of claim 45 wherein,
the chassis further has a slot between the pair of optical connector receptacles.
55. The fiber-optic module of claim 54 wherein,
the front portion of the shielded housing has a strap at one end and a septum at an opposite end to hold the shielded housing around the chassis coupled, the strap engaged in the slot of the chassis between the pair of optical connector receptacles.
56. The fiber-optic module of claim 45 wherein,
the front portion of the shielded housing is an external electromagnetic shield and the plate is an internal electromagnetic shield coupled to the external electromagnetic shield.
57. The fiber-optic module of claim 45 wherein,
the pair of optical connectors are SC optical connectors and the fiber-optic module is a 1×9 fiber-optic module.
58. The fiber-optic module of claim 45 wherein,
the one or more forward fingers curve outward and forward from the edge.
59. The fiber-optic module of claim 45 wherein,
the one or more backward fingers lift up from one or more surfaces of the shielded housing and extend backward from the edge.
60. The fiber-optic module of claim 46 wherein,
the front portion of the shielded housing is metal, plated plastic, or conductive plastic.
61. The fiber-optic module of claim 46 wherein,
the one or more forward fingers are equally sized and equally spaced around a portion of the perimeter of the shielded housing.
62. A system for providing electromagnetic interference (EMI) shielding, the system comprising:
a module chassis frame having a front end and a back end, the front end being hollow to allow for optical, electrical and optical-electrical components to be attached therein, the back end having a pair of separately enclosed compartments, each compartment to house a transmitter subassembly and a receiver subassembly, the transmitter subassembly having a first shielding collar around the transmitter subassembly and the receiver subassembly having a second collar around the receiver subassembly;
a U-plate having a top portion and a bottom portion having a pair of U-shaped openings, the top portion including a flap, the U-plate coupled into a slot of the module chassis frame to hold and shield the transmitter subassembly and the receiver subassembly;
a first portion of an electromagnetic interference (EMI) shielding box around the module chassis frame; and
a second portion of an electromagnetic interference (EMI) shielding box around the module chassis frame and coupled to the U-plate, the electromagnetic interference shielding box having one or more forward fingers around its perimeter and one or more backward fingers to contact to a host system.
63. The system of claim 62 wherein,
the EMI shielding box protects components and shield components from electromagnetic radiation.
64. The system of claim 62 wherein,
the module chassis frame is formed of a plastic, a conductive plated plastic, or a metal.
65. The system of claim 62 wherein,
the EMI shielding box is glued to the module chassis frame.
66. The system of claim 62 wherein,
the EMI shielding box is welded to the module chassis frame.
67. The system of claim 62 wherein,
the one or more forward fingers and the one or more backward fingers contact a host system faceplate of the host system to minimize electromagnetic radiation leaking out of the host system.
68. The system of claim 62 wherein,
the one or more forward fingers contact a backside of the host system faceplate around an opening.
69. The system of claim 62 wherein,
the one or more backward fingers contact a surface of one or more host tabs in the host system faceplate.
70. A fiber-optic module comprising:
a means for holding optical, electrical, and opto-electronic components, the optical, electrical, and opto-electronic components to process optical and electrical signals; and
a first portion of a means for shielding and housing the means for holding; and
a second portion of a means for shielding and housing the means for holding, the second portion having a frontal opening to accept a fiber-optic cable connector, the second portion of the means for shielding and housing being conductive and including
one or more first finger means near an edge of the frontal opening, the one or more first finger means to provide an EMI seal around an opening in a host system, and
one or more second finger means near an edge of the frontal opening, the one or more second finger means to provide an EMI seal around the opening in the host system.
71. The fiber-optic module of claim 70 wherein,
the one or more first finger means are forward fingers.
72. The fiber-optic module of claim 70 wherein,
the one or more second finger means are backward fingers and contact host tabs of the host system.
73. The fiber-optic module of claim 70 wherein,
the first and second portions of the means for shielding and housing to protect components and to shield electromagnetic radiation.
74. The fiber-optic module of claim 70 wherein,
the first and second portions of the means for shielding and housing protects the optical, electrical, and opto-electronic components and shields electromagnetic radiation.
75. The fiber-optic module of claim 70 wherein,
the first and second portions of the means for shielding and housing when coupled to ground through the one or more first finger means or the one or more second finger means, conducts electromagnetic radiation thereto.
76. The fiber-optic module of claim 70 wherein,
the one or more first finger means curve outward and forward from the edge of the frontal opening.
77. The fiber-optic module of claim 70 wherein,
the one or more second means lift up from one or more surfaces of the first portion of the shielding and housing means and extend backward from the edge of the frontal opening.
78. The fiber-optic module of claim 70 wherein,
the first and second portions of the means for shielding and housing is formed out of one of metal, plated plastic, and conductive plastic.
79. The fiber-optic module of claim 70 wherein,
the optical, electrical, and opto-electronic components include a transmitter subassembly and a receiver subassembly to transceive optical signals over an optical fiber and the fiber optic module is a fiber-optic transceiver module.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/335,443 US20030152331A1 (en) | 2001-02-12 | 2002-12-31 | Methods and apparatus for fiber-optic modules with shielded housing/covers having mixed finger types |
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Application Number | Priority Date | Filing Date | Title |
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US09/782,875 US6659655B2 (en) | 2001-02-12 | 2001-02-12 | Fiber-optic modules with housing/shielding |
US09/934,875 US6607308B2 (en) | 2001-02-12 | 2001-08-22 | Fiber-optic modules with shielded housing/covers having mixed finger types |
US10/335,443 US20030152331A1 (en) | 2001-02-12 | 2002-12-31 | Methods and apparatus for fiber-optic modules with shielded housing/covers having mixed finger types |
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US09/934,875 Division US6607308B2 (en) | 2001-02-12 | 2001-08-22 | Fiber-optic modules with shielded housing/covers having mixed finger types |
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US10/335,443 Abandoned US20030152331A1 (en) | 2001-02-12 | 2002-12-31 | Methods and apparatus for fiber-optic modules with shielded housing/covers having mixed finger types |
US10/335,386 Abandoned US20030152339A1 (en) | 2001-02-12 | 2002-12-31 | Methods and apparatus for fiber-optic modules with shielded housing/covers having a front portion and a back portion |
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US10/335,386 Abandoned US20030152339A1 (en) | 2001-02-12 | 2002-12-31 | Methods and apparatus for fiber-optic modules with shielded housing/covers having a front portion and a back portion |
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Cited By (179)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050271333A1 (en) * | 2004-06-04 | 2005-12-08 | Industrial Technology Research Institute | Light transceiver module |
US20060222303A1 (en) * | 2005-04-01 | 2006-10-05 | Delta Electronics, Inc. | Optical transceiver module |
US20070154149A1 (en) * | 2005-12-29 | 2007-07-05 | Intel Corporation | Electromagnetic inductive shield |
US20070154148A1 (en) * | 2005-12-29 | 2007-07-05 | Josh Oen | Fiber optic module and optical subassembly with reduced electromagnetic interference |
US20070189673A1 (en) * | 2004-10-05 | 2007-08-16 | Satoshi Yoshikawa | Optical transceiver with a pluggable function |
US20070230965A1 (en) * | 2004-06-03 | 2007-10-04 | Rohm Co., Ltd | Optical Communication Module |
US20080152285A1 (en) * | 2006-12-22 | 2008-06-26 | Avago Technologies, Ltd | Mid module and a method of mounting an optical fibre in an mid module |
US20090202207A1 (en) * | 2005-08-15 | 2009-08-13 | Molex Incorporated | Industrial interconnect system incorporating transceiver module cage |
US20100158449A1 (en) * | 2008-12-23 | 2010-06-24 | Hon Hai Precision Ind. Co., Ltd. | Connector utilized for different kinds of signal transmition |
US20100296778A1 (en) * | 2009-05-19 | 2010-11-25 | Japan Aviation Electronics Industry, Limited | Optical connector |
US20120195564A1 (en) * | 2011-01-27 | 2012-08-02 | Sagi Varghese Mathai | Waveguide arrays |
US20120327630A1 (en) * | 2011-06-27 | 2012-12-27 | Crestron Electronics, Inc. | Hi-Definition Multimedia Interface Shield with Fingers |
US20140322932A1 (en) * | 2013-04-25 | 2014-10-30 | Donald T. Tran | Interconnect cable with edge finger connector |
US9119127B1 (en) | 2012-12-05 | 2015-08-25 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US9154966B2 (en) | 2013-11-06 | 2015-10-06 | At&T Intellectual Property I, Lp | Surface-wave communications and methods thereof |
US9209902B2 (en) | 2013-12-10 | 2015-12-08 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US9312919B1 (en) | 2014-10-21 | 2016-04-12 | At&T Intellectual Property I, Lp | Transmission device with impairment compensation and methods for use therewith |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US20160299297A1 (en) * | 2013-06-28 | 2016-10-13 | Toto Ltd. | Optical receptacle, ferrule, and plug ferrule |
US9490869B1 (en) | 2015-05-14 | 2016-11-08 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and methods for use therewith |
US9503189B2 (en) | 2014-10-10 | 2016-11-22 | At&T Intellectual Property I, L.P. | Method and apparatus for arranging communication sessions in a communication system |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9520945B2 (en) | 2014-10-21 | 2016-12-13 | At&T Intellectual Property I, L.P. | Apparatus for providing communication services and methods thereof |
US9525210B2 (en) | 2014-10-21 | 2016-12-20 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9531427B2 (en) | 2014-11-20 | 2016-12-27 | At&T Intellectual Property I, L.P. | Transmission device with mode division multiplexing and methods for use therewith |
US9564947B2 (en) | 2014-10-21 | 2017-02-07 | At&T Intellectual Property I, L.P. | Guided-wave transmission device with diversity and methods for use therewith |
US9577307B2 (en) | 2014-10-21 | 2017-02-21 | At&T Intellectual Property I, L.P. | Guided-wave transmission device and methods for use therewith |
US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9608692B2 (en) | 2015-06-11 | 2017-03-28 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US9615269B2 (en) | 2014-10-02 | 2017-04-04 | At&T Intellectual Property I, L.P. | Method and apparatus that provides fault tolerance in a communication network |
US9628116B2 (en) | 2015-07-14 | 2017-04-18 | At&T Intellectual Property I, L.P. | Apparatus and methods for transmitting wireless signals |
US9628854B2 (en) | 2014-09-29 | 2017-04-18 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing content in a communication network |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9654173B2 (en) | 2014-11-20 | 2017-05-16 | At&T Intellectual Property I, L.P. | Apparatus for powering a communication device and methods thereof |
US9653770B2 (en) | 2014-10-21 | 2017-05-16 | At&T Intellectual Property I, L.P. | Guided wave coupler, coupling module and methods for use therewith |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
US9680670B2 (en) | 2014-11-20 | 2017-06-13 | At&T Intellectual Property I, L.P. | Transmission device with channel equalization and control and methods for use therewith |
US9685992B2 (en) | 2014-10-03 | 2017-06-20 | At&T Intellectual Property I, L.P. | Circuit panel network and methods thereof |
US9692101B2 (en) | 2014-08-26 | 2017-06-27 | At&T Intellectual Property I, L.P. | Guided wave couplers for coupling electromagnetic waves between a waveguide surface and a surface of a wire |
US9705571B2 (en) | 2015-09-16 | 2017-07-11 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system |
US9705561B2 (en) | 2015-04-24 | 2017-07-11 | At&T Intellectual Property I, L.P. | Directional coupling device and methods for use therewith |
WO2017123236A1 (en) * | 2016-01-15 | 2017-07-20 | Hewlett Packard Enterprise Development Lp | Electromagnetic interference shield for optical connectors |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US9742462B2 (en) | 2014-12-04 | 2017-08-22 | At&T Intellectual Property I, L.P. | Transmission medium and communication interfaces and methods for use therewith |
US9748626B2 (en) | 2015-05-14 | 2017-08-29 | At&T Intellectual Property I, L.P. | Plurality of cables having different cross-sectional shapes which are bundled together to form a transmission medium |
US9749053B2 (en) | 2015-07-23 | 2017-08-29 | At&T Intellectual Property I, L.P. | Node device, repeater and methods for use therewith |
US9749013B2 (en) | 2015-03-17 | 2017-08-29 | At&T Intellectual Property I, L.P. | Method and apparatus for reducing attenuation of electromagnetic waves guided by a transmission medium |
US9755697B2 (en) | 2014-09-15 | 2017-09-05 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
US9762289B2 (en) | 2014-10-14 | 2017-09-12 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting or receiving signals in a transportation system |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9780834B2 (en) | 2014-10-21 | 2017-10-03 | At&T Intellectual Property I, L.P. | Method and apparatus for transmitting electromagnetic waves |
US9793955B2 (en) | 2015-04-24 | 2017-10-17 | At&T Intellectual Property I, Lp | Passive electrical coupling device and methods for use therewith |
US9793954B2 (en) | 2015-04-28 | 2017-10-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device and methods for use therewith |
US9793951B2 (en) | 2015-07-15 | 2017-10-17 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9800327B2 (en) | 2014-11-20 | 2017-10-24 | At&T Intellectual Property I, L.P. | Apparatus for controlling operations of a communication device and methods thereof |
US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9836957B2 (en) | 2015-07-14 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating with premises equipment |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US9847850B2 (en) | 2014-10-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a mode of communication in a communication network |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US9866309B2 (en) | 2015-06-03 | 2018-01-09 | At&T Intellectual Property I, Lp | Host node device and methods for use therewith |
US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9871282B2 (en) | 2015-05-14 | 2018-01-16 | At&T Intellectual Property I, L.P. | At least one transmission medium having a dielectric surface that is covered at least in part by a second dielectric |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US9876571B2 (en) | 2015-02-20 | 2018-01-23 | At&T Intellectual Property I, Lp | Guided-wave transmission device with non-fundamental mode propagation and methods for use therewith |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US9882277B2 (en) | 2015-10-02 | 2018-01-30 | At&T Intellectual Property I, Lp | Communication device and antenna assembly with actuated gimbal mount |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US9906269B2 (en) | 2014-09-17 | 2018-02-27 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US9912027B2 (en) | 2015-07-23 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US9948354B2 (en) | 2015-04-28 | 2018-04-17 | At&T Intellectual Property I, L.P. | Magnetic coupling device with reflective plate and methods for use therewith |
US9954287B2 (en) | 2014-11-20 | 2018-04-24 | At&T Intellectual Property I, L.P. | Apparatus for converting wireless signals and electromagnetic waves and methods thereof |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US10009067B2 (en) | 2014-12-04 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for configuring a communication interface |
US10009063B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an out-of-band reference signal |
US10009065B2 (en) | 2012-12-05 | 2018-06-26 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US10009901B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations |
US10020587B2 (en) | 2015-07-31 | 2018-07-10 | At&T Intellectual Property I, L.P. | Radial antenna and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US10027397B2 (en) | 2016-12-07 | 2018-07-17 | At&T Intellectual Property I, L.P. | Distributed antenna system and methods for use therewith |
US10033107B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US10051629B2 (en) | 2015-09-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an in-band reference signal |
US10051483B2 (en) | 2015-10-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for directing wireless signals |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10074890B2 (en) | 2015-10-02 | 2018-09-11 | At&T Intellectual Property I, L.P. | Communication device and antenna with integrated light assembly |
US10079661B2 (en) | 2015-09-16 | 2018-09-18 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a clock reference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10103801B2 (en) | 2015-06-03 | 2018-10-16 | At&T Intellectual Property I, L.P. | Host node device and methods for use therewith |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US10136434B2 (en) | 2015-09-16 | 2018-11-20 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an ultra-wideband control channel |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10142086B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US10139820B2 (en) | 2016-12-07 | 2018-11-27 | At&T Intellectual Property I, L.P. | Method and apparatus for deploying equipment of a communication system |
US10144036B2 (en) | 2015-01-30 | 2018-12-04 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating interference affecting a propagation of electromagnetic waves guided by a transmission medium |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US10154493B2 (en) | 2015-06-03 | 2018-12-11 | At&T Intellectual Property I, L.P. | Network termination and methods for use therewith |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10243784B2 (en) | 2014-11-20 | 2019-03-26 | At&T Intellectual Property I, L.P. | System for generating topology information and methods thereof |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US10276907B2 (en) | 2015-05-14 | 2019-04-30 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US10348391B2 (en) | 2015-06-03 | 2019-07-09 | At&T Intellectual Property I, L.P. | Client node device with frequency conversion and methods for use therewith |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US10396887B2 (en) | 2015-06-03 | 2019-08-27 | At&T Intellectual Property I, L.P. | Client node device and methods for use therewith |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US10665942B2 (en) | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US10679767B2 (en) | 2015-05-15 | 2020-06-09 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US10714803B2 (en) | 2015-05-14 | 2020-07-14 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10754111B1 (en) * | 2019-04-22 | 2020-08-25 | The Boeing Company | Method for modifying small form factor pluggable transceiver for avionics applications |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US10784670B2 (en) | 2015-07-23 | 2020-09-22 | At&T Intellectual Property I, L.P. | Antenna support for aligning an antenna |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US10938108B2 (en) | 2016-12-08 | 2021-03-02 | At&T Intellectual Property I, L.P. | Frequency selective multi-feed dielectric antenna system and methods for use therewith |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
WO2023200145A1 (en) * | 2022-04-13 | 2023-10-19 | 선일텔레콤 주식회사 | Dome-type mechanical optical cable junction box |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2373374B (en) * | 2001-03-15 | 2004-03-17 | Agilent Technologies Inc | Novel fiber optic transceiver module |
KR100896405B1 (en) * | 2001-12-14 | 2009-05-08 | 레어드 테크놀로지스 인코포레이티드 | Emi shielding including a lossy medium |
US6749448B2 (en) * | 2002-03-06 | 2004-06-15 | Tyco Electronics Corporation | Transceiver module assembly ejector mechanism |
US7367718B2 (en) * | 2002-09-06 | 2008-05-06 | Sumitomo Electric Industries, Ltd. | Optical module |
JP4256728B2 (en) * | 2003-07-03 | 2009-04-22 | 矢崎総業株式会社 | Optical connector |
CN2682676Y (en) * | 2003-12-06 | 2005-03-02 | 富士康(昆山)电脑接插件有限公司 | Connector assembly |
US20050135727A1 (en) * | 2003-12-18 | 2005-06-23 | Sioptical, Inc. | EMI-EMC shield for silicon-based optical transceiver |
US7111994B2 (en) * | 2004-03-24 | 2006-09-26 | Avago Technologies Fiber Ip (Singapore) Ptd. Ltd. | Integral insert molded fiber optic transceiver electromagnetic interference shield |
US7170013B2 (en) * | 2004-04-08 | 2007-01-30 | Hewlett-Packard Development Company, L.P. | Spring fingers with end extensions |
US7056156B1 (en) | 2004-12-06 | 2006-06-06 | Jds Uniphase Corporation | Vertically offset EMI projections |
US7298946B2 (en) * | 2004-12-22 | 2007-11-20 | Hewlett-Packard Development Company, L.P. | Multi-fiber cable for efficient manageability of optical system |
US20070066137A1 (en) * | 2005-09-16 | 2007-03-22 | All Best Electronics Co., Ltd. | An improved structure of plug module base |
US7150653B1 (en) * | 2005-09-21 | 2006-12-19 | Cisco Technology, Inc. | Techniques for EMI shielding of a transceiver module |
JP2007194850A (en) * | 2006-01-18 | 2007-08-02 | Sharp Corp | Image processing method, image processor, image forming apparatus, and computer program |
US7473131B2 (en) * | 2006-02-02 | 2009-01-06 | Tyco Electronics Corporation | Connector with compliant EMI gasket |
US7422481B2 (en) * | 2006-03-22 | 2008-09-09 | Finisar Corporation | Electromagnetic interference containment in a transceiver module |
TWI321985B (en) * | 2006-08-25 | 2010-03-11 | Asustek Comp Inc | I/o shield and electronic apparatus using the same |
WO2008151075A2 (en) * | 2007-05-31 | 2008-12-11 | Extrusion Technology, Inc. | Amc carrier faceplates |
US7976226B2 (en) * | 2007-06-28 | 2011-07-12 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd | Optical sub-assembly with electrically conductive paint, polymer or adhesive to reduce EMI or sensitivity to EMP or ESD |
US7559800B2 (en) * | 2007-12-05 | 2009-07-14 | Hon Hai Precision Ind. Co., Ltd. | Electronic module with anti-EMI metal gasket |
US7727000B2 (en) * | 2008-01-02 | 2010-06-01 | Fci Americas Technology, Inc. | Electrical connector having guidance for mating |
US7525818B1 (en) * | 2008-01-11 | 2009-04-28 | Tyco Electronics Corporation | Memory card connector with EMI shielding |
US8011950B2 (en) | 2009-02-18 | 2011-09-06 | Cinch Connectors, Inc. | Electrical connector |
US20100266246A1 (en) * | 2009-04-17 | 2010-10-21 | Laird Technologies, Inc. | Emi shielding and/or grounding gaskets |
US8290332B2 (en) * | 2009-08-13 | 2012-10-16 | Commscope, Inc. Of North Carolina | Optical fiber adapter |
US8147272B2 (en) * | 2010-02-04 | 2012-04-03 | Tyco Electronics Corporation | Header connector assembly |
US20110206328A1 (en) * | 2010-02-25 | 2011-08-25 | Emcore Corporation | Optoelectronic module with emi shield |
US8740478B2 (en) | 2012-01-13 | 2014-06-03 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Optical module with bare fiber clamp |
US9201201B2 (en) | 2012-04-20 | 2015-12-01 | Corning Cable Systems Llc | Fiber trays, fiber optical modules, and methods of processing optical fibers |
US9946032B2 (en) * | 2012-04-20 | 2018-04-17 | Corning Optical Communications LLC | Fiber optic modules having a fiber tray, optical-to-optical fiber optic connectors, and methods thereof |
US8781284B2 (en) | 2012-08-01 | 2014-07-15 | Leviton Manufacturing Co., Inc. | Low profile copper and fiber optic cassettes |
US9423579B2 (en) * | 2013-03-05 | 2016-08-23 | Finisar Corporation | Latch mechanism for communication module |
EP3134945B1 (en) | 2014-04-23 | 2019-06-12 | TE Connectivity Corporation | Electrical connector with shield cap and shielded terminals |
JP2016119375A (en) * | 2014-12-19 | 2016-06-30 | ホシデン株式会社 | Photoelectric conversion module and active optical cable |
US9690064B2 (en) | 2015-11-10 | 2017-06-27 | Leviton Manufacturing Co., Ltd. | Multi-gang cassette system |
US10295773B2 (en) | 2017-03-29 | 2019-05-21 | Leviton Manufacturing Co., Inc. | Segregated fiber in a splice cassette |
US10514515B2 (en) * | 2017-03-30 | 2019-12-24 | Applied Optoelectronics, Inc. | Techniques for shielding within an optical transceiver housing to mitigate electromagnetic interference between optical subassemblies disposed within the same |
US11534332B1 (en) | 2017-10-17 | 2022-12-27 | David Preslicka | Blood flow direction favoring condom |
CN109991704A (en) * | 2018-01-02 | 2019-07-09 | 台达电子工业股份有限公司 | Optical transceiver module |
US10790619B2 (en) * | 2018-07-12 | 2020-09-29 | Cinch Connectors, Inc. | Shielded cable system for the shielding and protection against emi-leakage and impedance control |
CN208675677U (en) * | 2018-07-27 | 2019-03-29 | 中航光电科技股份有限公司 | A kind of gauze screen and the connector using the gauze screen |
CN110082870B (en) * | 2019-05-31 | 2024-06-25 | 浙江舜宇光学有限公司 | TO-CAN pipe cap |
US11369034B2 (en) | 2019-09-18 | 2022-06-21 | Ortronics, Inc. | Ejectable cassette, guide column, and ejectable cassette system |
US11474312B2 (en) * | 2020-02-28 | 2022-10-18 | Ii-Vi Delaware, Inc. | Optoelectronic module for receiving multiple optical connectors |
US11199669B1 (en) | 2020-09-24 | 2021-12-14 | Hewlett Packard Enterprise Development Lp | Modular faceplate optical sub-assembly |
Citations (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US270252A (en) * | 1883-01-09 | Fastening for car-doors | ||
US647148A (en) * | 1899-09-21 | 1900-04-10 | Frederick Myers | Car wheel and axle. |
US1661535A (en) * | 1924-10-23 | 1928-03-06 | Western Electric Co | Electric shielding |
US1765443A (en) * | 1928-02-25 | 1930-06-24 | Rca Corp | Shielding |
US1955648A (en) * | 1932-03-08 | 1934-04-17 | Nickler Charles Josef | Holding device for screens and the like |
US2317813A (en) * | 1940-02-28 | 1943-04-27 | Rca Corp | Shielding |
US2321587A (en) * | 1940-05-10 | 1943-06-15 | Davie | Electrical conductive coating |
US2349440A (en) * | 1941-09-24 | 1944-05-23 | Stephen D Lavoie | Wave meter |
US2629764A (en) * | 1949-06-07 | 1953-02-24 | Sylvania Electric Prod | Automobile radio cabinet with cover contact clips |
US2704301A (en) * | 1953-08-13 | 1955-03-15 | Feketics Frank | Shielding enclosures |
US2783295A (en) * | 1952-01-18 | 1957-02-26 | Gen Electric | Waveguide seal |
US2790153A (en) * | 1953-03-05 | 1957-04-23 | Cannon Electric Co | Polarized electrical plug and socket connector having a plurality of contacts |
US2793245A (en) * | 1953-01-21 | 1957-05-21 | Ace Engineering & Machine Co I | Radio shielded enclosures |
US2825042A (en) * | 1954-06-24 | 1958-02-25 | Collins Radio Co | Spring contact fingers for shield plates |
US2872139A (en) * | 1953-10-21 | 1959-02-03 | Jr William A Bedford | Fastening device |
US2876275A (en) * | 1953-08-12 | 1959-03-03 | Richard B Schulz | Shielding panel and joint construction |
US2974183A (en) * | 1959-04-08 | 1961-03-07 | Hazeltine Research Inc | Gasket for electric equipment |
US2978531A (en) * | 1959-04-06 | 1961-04-04 | Topatron Inc | Shielding structure |
US3019281A (en) * | 1960-03-04 | 1962-01-30 | Tech Wire Prod Inc | Electrical shielding and sealing gasket |
US3026367A (en) * | 1959-05-08 | 1962-03-20 | Tech Wire Prod Inc | Shielding and mounting strip |
US3128138A (en) * | 1960-03-23 | 1964-04-07 | Rocco J Noschese | Connector |
US3234318A (en) * | 1962-10-12 | 1966-02-08 | Philips Corp | Electric shield for a very highfrequency channel selector |
US3300687A (en) * | 1965-05-07 | 1967-01-24 | Burroughs Corp | Package for an electronic module |
US3304360A (en) * | 1964-06-03 | 1967-02-14 | Bell Telephone Labor Inc | Radio frequency gasket for shielded enclosures |
US3305623A (en) * | 1964-10-19 | 1967-02-21 | Metex Corp | Shielded window construction |
US3311792A (en) * | 1965-06-01 | 1967-03-28 | Ray R Scoville | Plug-in case for high frequency circuits |
US3366918A (en) * | 1966-11-23 | 1968-01-30 | Collins Radio Co | Shell-to-shell-to-shelf rfi seal spring |
US3368150A (en) * | 1965-01-04 | 1968-02-06 | Gen Electric | Construction for radios and the like |
US3370140A (en) * | 1966-11-16 | 1968-02-20 | Robert E. Betts | Electro-magnetic radiation proof plug and receptacle |
US3385970A (en) * | 1964-12-18 | 1968-05-28 | Bunker Ramo | Nonreciprocal signal coupling apparatus using optical coupling link in waveguide operating below cutoff |
US3423670A (en) * | 1964-08-07 | 1969-01-21 | Perkin Elmer Ltd | Magnetic shield arrangement for a high flux homogeneous field-producing magnet |
US3426140A (en) * | 1966-11-10 | 1969-02-04 | Collins Radio Co | Connector rfi seal spring |
US3436467A (en) * | 1966-09-09 | 1969-04-01 | Honeywell Inc | Electric shield and insulator |
US3504095A (en) * | 1968-01-30 | 1970-03-31 | Instr Specialties Co Inc | Shielding gaskets |
US3506877A (en) * | 1968-09-25 | 1970-04-14 | Us Navy | Hermetically sealed and shielded circuit module |
US3555168A (en) * | 1969-06-11 | 1971-01-12 | Tapecon | Shielding gasket |
US3566336A (en) * | 1968-08-30 | 1971-02-23 | Itt | Connector assembly |
US3569915A (en) * | 1968-09-16 | 1971-03-09 | Itt | Grounding foil |
US3659251A (en) * | 1970-05-28 | 1972-04-25 | Electro Adapter Inc | Adapter for electrical cable |
US3721746A (en) * | 1971-10-01 | 1973-03-20 | Motorola Inc | Shielding techniques for r.f. circuitry |
US3784233A (en) * | 1971-10-15 | 1974-01-08 | Bunker Ramo | Cable-termination adapter |
US3864011A (en) * | 1973-08-27 | 1975-02-04 | Amp Inc | Coaxial ribbon cable connector |
US3871735A (en) * | 1973-08-23 | 1975-03-18 | Amp Inc | Shielded high voltage connector |
US3878397A (en) * | 1973-06-29 | 1975-04-15 | Itt | Electro-optical transmission line |
US3883715A (en) * | 1973-12-03 | 1975-05-13 | Sybron Corp | Controlled environment module |
US3885084A (en) * | 1972-10-16 | 1975-05-20 | Siemens Ag | Structure for sealing a joint in an electromagnetic screening enclosure |
US3944317A (en) * | 1975-01-13 | 1976-03-16 | Amex Systems, Inc. | Adapter for shielded electrical cable connections |
US3952152A (en) * | 1974-10-29 | 1976-04-20 | Teletype Corporation | CRT shield |
US4012042A (en) * | 1976-01-19 | 1977-03-15 | Blasingame Steve J | Invertible pocketed target for a disc throwing game |
US4018989A (en) * | 1975-12-24 | 1977-04-19 | Summagraphics Corporation | Position coordinate determination device |
US4020430A (en) * | 1975-04-28 | 1977-04-26 | Amp Incorporated | Filtered connector assembly with composite ground plane |
US4138711A (en) * | 1977-09-29 | 1979-02-06 | Allen-Bradley Company | Static control device for printed circuit package |
US4148543A (en) * | 1978-04-28 | 1979-04-10 | General Dynamics Corporation | Suppressor for electromagnetic interference |
US4149027A (en) * | 1977-05-27 | 1979-04-10 | Atari, Inc. | TV game cartridge and method |
US4255015A (en) * | 1978-09-01 | 1981-03-10 | Rockwell International Corporation | Means for coupling a fiber optic cable with an electro-optic transducer |
US4265506A (en) * | 1979-08-17 | 1981-05-05 | Amp Incorporated | Filtered connector assembly |
US4322572A (en) * | 1979-10-22 | 1982-03-30 | Tektronix, Inc. | Electromagnetic interference shielding device |
US4325103A (en) * | 1978-12-28 | 1982-04-13 | Murata Manufacturing Co., Ltd. | Provisional fixing structure of electronic tuner |
US4331285A (en) * | 1980-03-24 | 1982-05-25 | Hewlett-Packard Company | Method for fabricating a magnetic shielding enclosure |
US4380359A (en) * | 1980-12-05 | 1983-04-19 | General Motors Corporation | Electrical connector for an instrument panel |
US4381129A (en) * | 1981-07-13 | 1983-04-26 | Zenith Radio Corporation | Grounded, multi-pin connector for shielded flat cable |
US4384165A (en) * | 1981-09-14 | 1983-05-17 | Motorola, Inc. | Radio frequency shield with force multiplier interconnection fingers for an electromagnetic gasket |
US4384368A (en) * | 1980-05-22 | 1983-05-17 | Siemens Aktiengesellschaft | Insulated insert with high electric strength |
US4427879A (en) * | 1975-04-18 | 1984-01-24 | Allied Corporation | Optoelectronic connector assembly |
US4447492A (en) * | 1977-11-21 | 1984-05-08 | Occidental Chemical Corporation | Articles having an electrically conductive surface |
US4491981A (en) * | 1980-05-22 | 1985-01-01 | Siemens Aktiengesellschaft | Galvanically separating coupling location for energy and/or signal transmission |
US4500159A (en) * | 1983-08-31 | 1985-02-19 | Allied Corporation | Filter electrical connector |
US4506937A (en) * | 1983-05-02 | 1985-03-26 | Amp Incorporated | Latching-grounding blocks |
US4512618A (en) * | 1983-03-10 | 1985-04-23 | Amp Incorporated | Grounding mating hardware |
US4514586A (en) * | 1982-08-30 | 1985-04-30 | Enthone, Inc. | Method of using a shielding means to attenuate electromagnetic radiation in the radio frequency range |
US4516815A (en) * | 1982-06-07 | 1985-05-14 | Spectrum Control, Inc. | RF filter connector |
US4518209A (en) * | 1983-06-30 | 1985-05-21 | Welcon Connector Company | Connector block with RF shield |
US4567317A (en) * | 1983-07-07 | 1986-01-28 | Computer Products, Inc. | EMI/RFI Protected enclosure |
US4571012A (en) * | 1984-12-21 | 1986-02-18 | Molex Incorporated | Shielded electrical connector assembly |
US4572921A (en) * | 1984-07-30 | 1986-02-25 | Instrument Specialties Co., Inc. | Electromagnetic shielding device |
US4659869A (en) * | 1983-06-20 | 1987-04-21 | Pawling Rubber Corporation | Clip-on strip for RFT/EMI shielding |
US4737008A (en) * | 1984-10-01 | 1988-04-12 | Mitsumi Electric Co., Ltd. | Optical transmitting and/or receiving module |
US4803306A (en) * | 1987-06-03 | 1989-02-07 | Computervision Corporation | Electromagnetic shielding clip |
US4808115A (en) * | 1987-07-28 | 1989-02-28 | Amp Incorporated | Line replaceable connector assembly for use with printed circuit boards |
US4812137A (en) * | 1987-11-25 | 1989-03-14 | Itt Corporation | Connector with EMI/RFI grounding spring |
US4820885A (en) * | 1987-09-25 | 1989-04-11 | Tom E Lindsay | Magnetic gasket for shielding against electromagnetic radiation |
US4823235A (en) * | 1986-02-06 | 1989-04-18 | Fujitsu Limited | Earth connection device in metal core printed circuit board |
US4829432A (en) * | 1987-12-28 | 1989-05-09 | Eastman Kodak Company | Apparatus for shielding an electrical circuit from electromagnetic interference |
US4899254A (en) * | 1987-07-22 | 1990-02-06 | Tandem Computers Incorporated | Electronic module interconnection system |
US4902402A (en) * | 1989-03-30 | 1990-02-20 | Westinghouse Electric Corp. | Chloride containing solid electrolyte gas sensing apparatus |
US4903402A (en) * | 1987-07-28 | 1990-02-27 | Amp Incorporated | Method of assembling a connector to a circuit card |
US4906208A (en) * | 1987-05-15 | 1990-03-06 | Hirose Electric Co., Ltd. | Electrical connector |
US4913511A (en) * | 1989-03-30 | 1990-04-03 | Northern Telecom Limited | Transient voltage suppression for electro-optic modules |
US4926291A (en) * | 1989-07-31 | 1990-05-15 | Western Digital Corporation | Data storage mounting assembly |
US4991062A (en) * | 1989-05-16 | 1991-02-05 | At&T Bell Laboratories | EMI reducing circuit card apparatus |
US4990094A (en) * | 1987-12-21 | 1991-02-05 | Amp Incorporated | Data distribution panel |
US5001297A (en) * | 1989-05-23 | 1991-03-19 | Instrument Specialties Company, Inc. | Track mounted electromagnetic shielding device |
US5006667A (en) * | 1989-07-05 | 1991-04-09 | Nokia Mobile Phones Ltd. | Method and apparatus for shielding a printed circuit board |
US5005939A (en) * | 1990-03-26 | 1991-04-09 | International Business Machines Corporation | Optoelectronic assembly |
US5012042A (en) * | 1990-06-28 | 1991-04-30 | Northern Telecom Limited | Cable entry device for EMI shielded cabinets |
US5015802A (en) * | 1990-08-27 | 1991-05-14 | Enlight Corporation | Computer casing connector |
US5083931A (en) * | 1991-05-15 | 1992-01-28 | International Business Machines Corporation | Device grounding spring |
US5094623A (en) * | 1991-04-30 | 1992-03-10 | Thomas & Betts Corporation | Controlled impedance electrical connector |
US5755595A (en) * | 1996-06-27 | 1998-05-26 | Whitaker Corporation | Shielded electrical connector |
Family Cites Families (247)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE354271C (en) * | 1919-05-07 | 1922-06-06 | Frederick Henry De Veulle | Injection carburetor with a venturi tube and an injection opening through which the primary mixture coming from an atomizer is introduced |
DE353796C (en) * | 1919-09-16 | 1922-05-23 | Ludwig Heinrich Diehl Dr | Process for the refinement of oxidic zinc-containing products and mixed ores |
US1875968A (en) | 1929-06-19 | 1932-09-06 | Siemens Ag | Static and magnetic shield |
GB433355A (en) | 1933-12-12 | 1935-08-13 | Lorenz C Ag | Improvements in screening devices for high frequency electrical apparatus and parts thereof |
GB448045A (en) | 1934-12-03 | 1936-06-02 | Philadelphia Storage Battery | Improved methods and apparatus for suppressing noise in automobile radio receivers |
US2133789A (en) | 1935-03-30 | 1938-10-18 | Cinch Mfg Corp | Metal container for radio sets |
US2062256A (en) | 1935-08-03 | 1936-11-24 | Cinch Mfg Corp | Plug and socket shield and ground connecter |
US2169962A (en) | 1937-11-30 | 1939-08-15 | Cinch Mfg Corp | Electrical connection |
US2447380A (en) | 1944-05-04 | 1948-08-17 | Focal Company | Process for metalizing nonmetallic articles |
US2477267A (en) | 1944-06-22 | 1949-07-26 | Bendix Aviat Corp | Electrically conductive sealing gasket and method of making same |
US2604507A (en) | 1945-08-09 | 1952-07-22 | Bendix Aviat Corp | Shielding closure means |
US2531911A (en) | 1945-12-15 | 1950-11-28 | Palnut Company | Shield can with spring attachment means |
US2520725A (en) | 1946-08-26 | 1950-08-29 | Tinnerman Products Inc | Support construction and fastening device therefor |
US2488710A (en) | 1946-09-23 | 1949-11-22 | Allegheny Ludlum Steel | Enclosing shield for electrical applications |
US2753390A (en) | 1952-02-18 | 1956-07-03 | Ace Engineeriag & Machine Co I | Radio shielded enclosures |
BE524216A (en) | 1952-11-13 | |||
US2800698A (en) | 1954-02-24 | 1957-07-30 | Zenith Radio Corp | Mounting clip |
US2853541A (en) | 1955-03-23 | 1958-09-23 | Erik A Lindgren | Door for screen room |
US2867275A (en) * | 1956-07-18 | 1959-01-06 | Bobst And Son S A J | Sheet gripper means for presses |
US2844644A (en) | 1956-12-20 | 1958-07-22 | Gen Electric | Detachable spring contact device |
US3052821A (en) | 1958-02-10 | 1962-09-04 | Ray R Scoville | Casing for modular units |
US3056942A (en) | 1959-12-22 | 1962-10-02 | Amp Inc | Connector block shield |
NL263948A (en) | 1960-10-24 | |||
GB1066432A (en) | 1962-10-08 | 1967-04-26 | Produktionsaktieselskabet Toro | Electronic plug-in assembly |
US3217085A (en) | 1964-08-31 | 1965-11-09 | Erik A Lindgren | Electrical isolation room |
DE1253783B (en) | 1965-02-16 | 1967-11-09 | Siemens Ag | Arrangement for fastening and contacting a laminated circuit board in a shielding housing |
US3277230A (en) | 1965-03-17 | 1966-10-04 | Instr Specialties Co Inc | Shielding gaskets with fastening means |
US3487186A (en) | 1965-03-18 | 1969-12-30 | Metex Corp | Shielded resilient boot for electric switches |
US3341102A (en) | 1965-05-13 | 1967-09-12 | Giles D Stephens | Cartons for protection and storage of magnetically sensitive materials |
US3340587A (en) | 1965-11-26 | 1967-09-12 | Herbert K Beyer | Method of fabricating shielding enclosures |
US3475657A (en) | 1967-01-03 | 1969-10-28 | Litton Systems Inc | Mounting of electronic components on baseboard or panel |
US3413406A (en) | 1967-04-10 | 1968-11-26 | Walter A. Plummer | Shielded gasketing and seamed jacketing utilizing the same |
US3524137A (en) | 1967-05-26 | 1970-08-11 | Standard Kollsman Ind Inc | Two-piece construction for uhf television tuner |
US3474385A (en) | 1967-06-08 | 1969-10-21 | Ibm | Coaxial cable connector |
US3564359A (en) * | 1967-08-10 | 1971-02-16 | Erie Technological Prod Inc | Tubular capacitor |
US3539973A (en) | 1968-02-12 | 1970-11-10 | Hughes Aircraft Co | Electrical connector |
US3536820A (en) | 1968-08-01 | 1970-10-27 | Ind Electronics Eng Inc | Bezel assembly |
US3852700A (en) | 1969-04-18 | 1974-12-03 | Breston M | Grounding base for connector |
US3546359A (en) | 1969-06-18 | 1970-12-08 | Gichner Mobile Systems Inc | Rfi shielded vent |
US3627900A (en) | 1969-12-08 | 1971-12-14 | Cornell Dubilier Electric | Ground clamp |
US3670292A (en) | 1970-01-29 | 1972-06-13 | Itt | Grounding foil for electrical connectors |
US3617611A (en) | 1970-04-14 | 1971-11-02 | Traylor Hershman Palo And Cowa | Grounding connection for outlet box |
US3854107A (en) | 1970-07-17 | 1974-12-10 | Bunker Ramo | Filtered connector |
US3594490A (en) | 1970-07-17 | 1971-07-20 | Ibm | Electronic grounding system |
FR2188910A5 (en) | 1972-06-09 | 1974-01-18 | Ducros Emile | |
DE2235216C3 (en) | 1972-07-18 | 1975-12-11 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Arrangement for sealing joints on shields |
DE2247005B2 (en) | 1972-09-25 | 1976-03-18 | Siemens AG, 1000 Berlin und 8000 München | HOUSING FOR ELECTRICAL EQUIPMENT, SHIELDED AGAINST HIGH FREQUENCY ELECTROMAGNETIC EMISSIONS |
DE2247681C3 (en) | 1972-09-28 | 1979-08-30 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Frame arrangement for interference suppression of a large number of electrical lines and for the subsequent trouble-free passage of the lines through a shielding wall |
US3825874A (en) | 1973-07-05 | 1974-07-23 | Itt | Electrical connector |
US3909726A (en) | 1973-09-26 | 1975-09-30 | Zenith Radio Corp | UHF Hybrid tuner |
US3914001A (en) | 1973-12-26 | 1975-10-21 | Reynolds Metals Co | Electrical grounding apparatus and method and washer for use therewith |
US4053199A (en) | 1975-03-05 | 1977-10-11 | Amp Incorporated | Cable connectable bulkhead filter array |
US4110552A (en) | 1975-07-07 | 1978-08-29 | International Telephone & Telegraph Corporation | Electro/mechanical enclosure with magnetic cover means |
US4037009A (en) | 1976-08-11 | 1977-07-19 | Metex Corporation | Conductive elastomeric elements |
NL172018C (en) | 1976-11-18 | Tektronix Inc | STRIP SHAPED CONNECTION ELEMENT. | |
US4176897A (en) | 1976-11-19 | 1979-12-04 | Bunker Ramo Corporation | EMI protected connector assembly |
US4217019A (en) | 1976-11-19 | 1980-08-12 | Bunker Ramo Corporation | EMI protected connector assembly |
US4111513A (en) | 1977-09-22 | 1978-09-05 | The United States Of America As Represented By The Secretary Of The Army | Cable-connector backshell adapter device |
JPS5818299Y2 (en) | 1978-04-28 | 1983-04-13 | 富士通株式会社 | Electronic equipment with built-in printed circuit board unit |
US4218578A (en) | 1978-08-04 | 1980-08-19 | Burr-Brown Research Corp. | RF Shield for an electronic component |
DE2932015C2 (en) | 1978-08-07 | 1983-12-29 | Mitsumi Electric Co., Ltd., Tokyo | Shielding device for high frequency circuits |
FR2452231A1 (en) | 1979-03-23 | 1980-10-17 | Cit Alcatel | SHIELDED CASE |
US4215796A (en) | 1979-05-10 | 1980-08-05 | General Electric Company | Radio frequency shield structure |
US4227037A (en) | 1979-05-29 | 1980-10-07 | Gulf & Western Manufacturing Company | Shielded non-metallic container |
US4398780A (en) | 1979-07-03 | 1983-08-16 | Amp Incorporated | Shielded electrical connector |
US4406514A (en) | 1980-03-26 | 1983-09-27 | Harris Corporation | Single fiber connector for pluggable card or module optical interconnections |
US4337989A (en) | 1980-05-28 | 1982-07-06 | Amp Incorporated | Electromagnetic shielded connector |
US4334259A (en) | 1980-08-11 | 1982-06-08 | Management Assistance Inc. | Discharge/ground button |
US4399487A (en) | 1980-09-12 | 1983-08-16 | Siemens Ag | Insulated plug-in module |
US4345808A (en) | 1980-11-20 | 1982-08-24 | International Telephone And Telegraph Corporation | Electrical connector |
US4396795A (en) | 1981-06-30 | 1983-08-02 | Rca Corporation | Non-contacting RF shielding gasket with molded stub members |
US4401355A (en) | 1981-07-01 | 1983-08-30 | Rca Corporation | Filtered connector |
US4389080A (en) | 1981-07-15 | 1983-06-21 | General Electric | Plug-in ceramic hybrid module |
US4386814A (en) | 1981-08-17 | 1983-06-07 | Amp Incorporated | Kit for converting a panel opening to a shielded pin receptacle |
US4470660A (en) | 1981-08-28 | 1984-09-11 | Harris Corporation | Blind mating rack and panel fiber optic connector |
US4399317A (en) | 1981-09-18 | 1983-08-16 | Keene Corporation | Sealing apparatus for radio frequency shielding enclosure |
US4420201A (en) | 1981-11-09 | 1983-12-13 | Amp Incorporated | Shielding assembly enclosing an electrical connector terminating shielded cable |
US4399318A (en) | 1981-12-10 | 1983-08-16 | The Bendix Corporation | EMI Shielding enclosure for a cable connector |
US4486059A (en) | 1982-09-20 | 1984-12-04 | Magnetic Controls Company | Receptacle assembly |
US4457575A (en) | 1982-09-21 | 1984-07-03 | Amp Incorporated | Electrical connector having improved shielding and keying systems |
US4595839A (en) * | 1982-09-30 | 1986-06-17 | Tetra-Tech, Inc. | Bidirectional optical electronic converting connector with integral preamplification |
US4490002A (en) | 1982-12-01 | 1984-12-25 | The United States Of America As Represented By The Secretary Of The Air Force | Releasable cable connector assembly for use between a mobile and stationary object |
US4457576A (en) | 1982-12-17 | 1984-07-03 | Amp Incorporated | One piece metal shield for an electrical connector |
JPS59180514A (en) * | 1983-03-31 | 1984-10-13 | Toshiba Corp | Light receiving module |
US4596048A (en) | 1983-04-04 | 1986-06-17 | General Electric Company | Optically isolated contention bus |
US4531176A (en) * | 1983-06-27 | 1985-07-23 | At&T Bell Laboratories | Cartridge having improved electrostatic discharge protection |
US4521062A (en) | 1983-07-26 | 1985-06-04 | International Telephone And Telegraph Corporation | Electrical connector with optional grounding element |
DE3328395A1 (en) | 1983-08-05 | 1985-02-14 | Siemens AG, 1000 Berlin und 8000 München | HIGH-FREQUENCY DENSITY SHIELDING OF AREA PARTS |
US4537458A (en) | 1983-09-01 | 1985-08-27 | Continental-Wirt Electronics Corp. | Conductive shielding housing for flat cable connector |
US4614836A (en) | 1984-03-19 | 1986-09-30 | Axia Incorporated | Ground connector for microelectronic circuit case |
US4550960A (en) | 1984-08-24 | 1985-11-05 | Amp Incorporated | Shielded backplane assembly |
US4684762A (en) * | 1985-05-17 | 1987-08-04 | Raychem Corp. | Shielding fabric |
US4623752A (en) | 1984-12-24 | 1986-11-18 | Burroughs Corporation | Double-action gasket assembly for EMI/RFI shielding |
US4601527A (en) | 1985-01-18 | 1986-07-22 | E. I. Du Pont De Nemours And Company | Shielded header and cable assembly |
US4602164A (en) | 1985-01-31 | 1986-07-22 | International Business Machines Corp. | Radiation shield system |
US4609104A (en) | 1985-06-04 | 1986-09-02 | Ade, Inc. | RFI shielded, multiple part container and components thereof |
US4756593A (en) * | 1985-12-11 | 1988-07-12 | Hitachi, Ltd. | Connector comprising a plug having a built-in optoelectronic conversion means and a socket |
US4902606A (en) | 1985-12-20 | 1990-02-20 | Hughes Aircraft Company | Compressive pedestal for microminiature connections |
US4950423A (en) | 1986-01-22 | 1990-08-21 | The B. F. Goodrich Company | Coating of EMI shielding and method therefor |
US4767345A (en) | 1987-03-27 | 1988-08-30 | Amp Incorporated | High-density, modular, electrical connector |
US4780570A (en) | 1987-03-30 | 1988-10-25 | Unisys Corporation | EMI/RFI shielding for electronic assemblies |
US4872212A (en) | 1987-05-15 | 1989-10-03 | Eip Microwave, Inc. | Microwave main frame |
JPS6424373A (en) | 1987-07-13 | 1989-01-26 | Amp Inc | Shielded connector |
US4967311A (en) | 1987-07-22 | 1990-10-30 | Tandem Computers Incorporated | Electronic module interconnection system |
US4889502A (en) | 1987-07-29 | 1989-12-26 | Althouse Rickie M | Connector having drop-in insert conductive with shell |
US4840451A (en) * | 1987-12-08 | 1989-06-20 | Molex Incorporated | Shielded fiber optic connector assembly |
US4866213A (en) | 1988-02-08 | 1989-09-12 | Pawling Corporation | End clip for mesh-clad RFI/EMI shielding strips and shielding strip assembly including same |
US4963098A (en) | 1988-02-26 | 1990-10-16 | Amp Incorporated | Blind mate shielded input/output connector assembly |
US4858890A (en) | 1988-02-26 | 1989-08-22 | Brand Scaffold Services, Ltd. | Method and apparatus for lifting objects inside a limited access vessel |
US4857668A (en) | 1988-04-15 | 1989-08-15 | Schlegel Corporation | Multi-function gasket |
US4863233A (en) | 1988-05-12 | 1989-09-05 | Zenith Electronics Corporation | Fiber optic interconnect system |
US4977329A (en) * | 1988-05-23 | 1990-12-11 | Hughes Aircraft Company | Arrangement for shielding electronic components and providing power thereto |
US4842555A (en) | 1988-06-03 | 1989-06-27 | Amp Incorporated | Circular DIN receptacle cover for latching plug |
US4861134A (en) * | 1988-06-29 | 1989-08-29 | American Telephone And Telegraph Company, At&T Bell Laboratories | Opto-electronic and optical fiber interface arrangement |
US4868716A (en) | 1988-07-15 | 1989-09-19 | Hewlett-Packard Company | RF interconnect and shielding system |
US4886463A (en) | 1988-09-21 | 1989-12-12 | Westinghouse Electric Corp. | Electromagnetic interference connector |
GB2223359B (en) | 1988-09-30 | 1992-08-12 | Acer Inc | Casing |
US4878858A (en) | 1988-12-13 | 1989-11-07 | Molex Incorporated | Low profile shielded jack |
US4945229A (en) | 1988-12-29 | 1990-07-31 | Thomas & Betts Corporation | Fiber optic receiver and transceiver |
US5045635A (en) | 1989-06-16 | 1991-09-03 | Schlegel Corporation | Conductive gasket with flame and abrasion resistant conductive coating |
US5037331A (en) | 1989-09-27 | 1991-08-06 | Itt Corporation | Shielded interface connector |
US5280191A (en) | 1989-12-26 | 1994-01-18 | At&T Bell Laboratories | Lightwave packaging for pairs of optical devices having thermal dissipation means |
US5047835A (en) * | 1989-12-26 | 1991-09-10 | At&T Bell Laboratories | Lightwave packaging for pairs of optical devices |
US5069522A (en) * | 1990-01-09 | 1991-12-03 | International Business Machines Corporation | Optical fiber link card |
US5039194A (en) * | 1990-01-09 | 1991-08-13 | International Business Machines Corporation | Optical fiber link card |
US4979787A (en) | 1990-01-12 | 1990-12-25 | Pco, Inc. | Optical-electronic interface module |
DE59106807D1 (en) | 1990-02-17 | 1995-12-07 | Stribel Gmbh | SIGNAL TRANSMISSION LINE. |
US5029254A (en) | 1990-03-23 | 1991-07-02 | Instrument Specialties Company, Inc. | Clip mounted electromagnetic shielding device |
FI85204C (en) | 1990-04-12 | 1992-03-10 | Nokia Mobile Phones Ltd | KONSTRUKTION FOER RADIOTELEFON ELLER MANOEVERANORDNING TILL EN RADIOTELEFON. |
NL9000967A (en) * | 1990-04-23 | 1991-11-18 | Du Pont Nederland | DEVICE FOR ELECTRO-OPTICAL SIGNAL CONVERSION. |
US5120578A (en) | 1990-05-31 | 1992-06-09 | Shipley Company Inc. | Coating composition |
US5043534A (en) | 1990-07-02 | 1991-08-27 | Olin Corporation | Metal electronic package having improved resistance to electromagnetic interference |
GB9102006D0 (en) | 1991-01-30 | 1991-03-13 | Lucas Ind Plc | Screening arrangement for connectors |
US5118904A (en) * | 1991-02-04 | 1992-06-02 | At&T Bell Laboratories | Strip with contact regions for use with EMI reducing circuit card apparatus |
DE4110800C1 (en) | 1991-04-04 | 1992-07-23 | Schroff Gmbh, 7541 Straubenhardt, De | |
US5138679A (en) | 1991-04-17 | 1992-08-11 | Amp Incorporated | Optical fiber connector with centering and floating alignment feature |
US5113466A (en) | 1991-04-25 | 1992-05-12 | At&T Bell Laboratories | Molded optical packaging arrangement |
US5123066A (en) | 1991-04-25 | 1992-06-16 | At&T Bell Laboratories | Molded optical package utilizing leadframe technology |
US5181863A (en) | 1991-04-29 | 1993-01-26 | Itt Corporation | Emi shielding backshell system |
US5166864A (en) | 1991-05-17 | 1992-11-24 | Hughes Aircraft Company | Protected circuit card assembly and process |
US5147220A (en) | 1991-05-30 | 1992-09-15 | Lybrand Brent B | Board mounted shielded electrical connector |
JP2544978Y2 (en) | 1991-06-06 | 1997-08-20 | 住友電気工業株式会社 | Optical module |
US5262923A (en) | 1991-06-21 | 1993-11-16 | Tandon Corporation | Railing with grounding tabs for grounding and mounting computer components in a computer |
US5207597A (en) | 1991-06-21 | 1993-05-04 | Amp Incorporated | Shielded connector with dual cantilever panel grounding beam |
JP3011379B2 (en) | 1991-07-17 | 2000-02-21 | 北川工業株式会社 | Gasket for electromagnetic wave shielding |
US5309315A (en) | 1991-08-09 | 1994-05-03 | Pulse Embedded Computer Systems, Inc. | Severe environment enclosure with thermal heat sink and EMI protection |
DE4127467A1 (en) | 1991-08-20 | 1993-02-25 | Schroff Gmbh | EQUIPMENT CABINET |
US5386346A (en) | 1991-08-29 | 1995-01-31 | Hubbell Incorporated | Circuit card assembly with shielding assembly for reducing EMI emissions |
EP0532166B1 (en) | 1991-09-11 | 1995-06-14 | ITT INDUSTRIES, INC. (a Delaware corporation) | Memory card grounding apparatus |
US5175395A (en) | 1991-11-27 | 1992-12-29 | Rockwell International Corporation | Electromagnetic shield |
JPH05150120A (en) * | 1991-11-29 | 1993-06-18 | Fujitsu Ltd | Lead-in structure for optical fiber cable |
US5183405A (en) | 1991-12-20 | 1993-02-02 | Amp Incorporated | Grounded electrical connector assembly |
US5195911A (en) | 1992-01-22 | 1993-03-23 | Molex Incorporated | Shielded electrical connector with improved shield |
US5202536A (en) | 1992-02-03 | 1993-04-13 | Schlegel Corporation | EMI shielding seal with partial conductive sheath |
JPH07506927A (en) | 1992-02-24 | 1995-07-27 | アイティーティー・インダストリーズ・インコーポレーテッド | memory card ground spring |
US5204496A (en) | 1992-04-01 | 1993-04-20 | Digital Equipment Corporation | EMI shielding gasket |
US5366664A (en) | 1992-05-04 | 1994-11-22 | The Penn State Research Foundation | Electromagnetic shielding materials |
WO1993023825A1 (en) | 1992-05-20 | 1993-11-25 | Seiko Epson Corporation | Cartridge for electronic apparatus |
US5289347A (en) | 1992-06-04 | 1994-02-22 | Digital Equipment Corporation | Enclosure for electronic modules |
US5285512A (en) | 1992-06-24 | 1994-02-08 | Litton Systems, Inc. | Fiber optic transceiver with integrated coupler |
US5323298A (en) | 1992-07-13 | 1994-06-21 | Shatas Remigius G | Integral enclosure and shield for EMI radiating circuitry |
US5308251A (en) | 1992-08-10 | 1994-05-03 | The Whitaker Corporation | Mounting bracket with ESD protection for an electrical connector |
EP0582726B1 (en) | 1992-08-11 | 1996-10-30 | Molex Incorporated | Modular jack |
US5211566A (en) | 1992-08-11 | 1993-05-18 | Amp Incorporated | Docking connector for disk drives |
US5221212A (en) | 1992-08-27 | 1993-06-22 | Amp Incorporated | Shielding a surface mount electrical connector |
US5313016A (en) | 1992-10-19 | 1994-05-17 | Synoptics Communications, Inc. | Auto-insertable electromagnetic interference ground clip |
DE69218223T2 (en) | 1992-12-02 | 1997-06-26 | Molex Inc | Electrical connector system |
US5317105A (en) | 1992-12-18 | 1994-05-31 | Alcatel Network Systems, Inc. | EMI/RFI gasket apparatus |
US5337396A (en) | 1993-01-22 | 1994-08-09 | Optical Communication Products, Inc. | Conductive plastic optical-electronic interface module |
US5354951A (en) | 1993-03-15 | 1994-10-11 | Leader Tech, Inc. | Circuit board component shielding enclosure and assembly |
JPH07105759B2 (en) | 1993-03-30 | 1995-11-13 | 山一電機株式会社 | Photoelectric converter |
US5288244A (en) | 1993-04-19 | 1994-02-22 | Maxconn Incorporated | Connector assembly having fixed unitary fasteners for mounting to a panel |
US5383096A (en) | 1993-05-03 | 1995-01-17 | Digital Equipment Corporation | I/O expansion box |
US5372515A (en) | 1993-06-10 | 1994-12-13 | Martin Marietta Corporation | Mechanical ESD protector |
US5343361A (en) | 1993-06-11 | 1994-08-30 | The Whitaker Corporation | Thermal junction for card edges in a card cage and ground clip therefor |
US5329428A (en) * | 1993-06-21 | 1994-07-12 | International Business Machines Corporation | High-density packaging for multiple removable electronics subassemblies |
US5304069A (en) | 1993-07-22 | 1994-04-19 | Molex Incorporated | Grounding electrical connectors |
US5356300A (en) | 1993-09-16 | 1994-10-18 | The Whitaker Corporation | Blind mating guides with ground contacts |
US5738538A (en) * | 1993-10-25 | 1998-04-14 | Siemens Aktiengesellschaft | Electrical unit |
US5527991A (en) | 1993-11-03 | 1996-06-18 | Carlingswitch, Inc. | Grounding strap for panel mounted electrical switch |
US5416668A (en) | 1993-11-09 | 1995-05-16 | At&T Corp. | Shielded member |
US5422433A (en) | 1993-11-15 | 1995-06-06 | Motorola, Inc. | Radio frequency isolation shield having reclosable opening |
US5477421A (en) | 1993-11-18 | 1995-12-19 | Itt Corporation | Shielded IC card |
JPH07162186A (en) | 1993-12-08 | 1995-06-23 | Fujitsu Ltd | Light transceiver unit |
US5726867A (en) | 1994-01-21 | 1998-03-10 | The Whitaker Corporation | Card holder for computers and related equipment |
US5491613A (en) | 1994-01-31 | 1996-02-13 | Hubbell Incorporated | Electrical circuit card with reduced EMI emission |
US5561727A (en) * | 1994-02-15 | 1996-10-01 | Sumitomo Electric Industries, Ltd. | Card-shaped optical data link device |
US5463532A (en) | 1994-04-15 | 1995-10-31 | Hubbell Incorporated | Electrical circuit card with EMI shielding strip adapted to make contact with non-outwardly facing surface of card-receiving housing |
US5639989A (en) | 1994-04-19 | 1997-06-17 | Motorola Inc. | Shielded electronic component assembly and method for making the same |
JP3326959B2 (en) | 1994-04-25 | 2002-09-24 | 松下電器産業株式会社 | Optical fiber module |
US5570270A (en) | 1994-06-03 | 1996-10-29 | Pulse Electronics, Inc. | Chassis and personal computer for severe environment embedded applications |
US5534662A (en) | 1994-08-31 | 1996-07-09 | International Business Machines Corporation | Chassis mounted electromagnetic interference grounding assembly for electronic modules |
US5513996A (en) | 1994-09-20 | 1996-05-07 | Motorola, Inc. | Clip and method therefor |
US5528408A (en) | 1994-10-12 | 1996-06-18 | Methode Electronics, Inc. | Small footprint optoelectronic transceiver with laser |
US5545845A (en) | 1994-11-21 | 1996-08-13 | Dsc Communications Corporation | Transportable weathertight EMI shielded cabinet structure |
US5470259A (en) | 1994-12-05 | 1995-11-28 | The Whitaker Corporation | Grounding shroud for surface mounted electrical connector |
EP0717472A3 (en) | 1994-12-13 | 1999-03-31 | Molex Incorporated | Grounding clip for IC-cards |
US5613860A (en) | 1994-12-14 | 1997-03-25 | Molex Incorporated | Universal grounding clip for card-receiving connector |
US5717533A (en) | 1995-01-13 | 1998-02-10 | Methode Electronics Inc. | Removable optoelectronic module |
US5734558A (en) * | 1995-01-13 | 1998-03-31 | Poplawski; Daniel S. | Removable optoelectronic module |
US5864468A (en) | 1995-01-13 | 1999-01-26 | Methode Electronics, Inc. | Removable optoelectronic module with grounding means |
US5546281A (en) | 1995-01-13 | 1996-08-13 | Methode Electronics, Inc. | Removable optoelectronic transceiver module with potting box |
US5879173A (en) | 1995-01-13 | 1999-03-09 | Methode Electronics, Inc. | Removable transceiver module and receptacle |
US6220878B1 (en) | 1995-10-04 | 2001-04-24 | Methode Electronics, Inc. | Optoelectronic module with grounding means |
US5574814A (en) | 1995-01-31 | 1996-11-12 | Microelectronics And Computer Technology Corporation | Parallel optical transceiver link |
US5639262A (en) * | 1995-03-27 | 1997-06-17 | Thomas & Betts Corporation | Shielded electrical connector component assembly |
US5653596A (en) | 1995-06-02 | 1997-08-05 | Molex Incorporated | Grounding system for PC cards |
US5588850A (en) | 1995-08-08 | 1996-12-31 | Tongrand Limited | Grounding means for memory card connector |
US5726864A (en) | 1995-08-24 | 1998-03-10 | Digital Equipment Corporation | Cage system |
US5603639A (en) | 1995-08-30 | 1997-02-18 | Genrife Company Limited | Shielded electrical connector |
US6506877B1 (en) * | 1995-11-27 | 2003-01-14 | Millennium Pharmaceuticals, Inc. | Ob receptor |
JPH11502400A (en) | 1996-01-18 | 1999-02-23 | リッタル―ヴェルク ルードルフ ロー ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディトゲゼルシャフト | Device for conductively connecting a switch cabinet housing or frame to a door |
US5604507A (en) * | 1996-02-28 | 1997-02-18 | Antenex, Inc. | Wide-banded mobile antenna |
US5767999A (en) * | 1996-05-02 | 1998-06-16 | Vixel Corporation | Hot-pluggable/interchangeable circuit module and universal guide system having a standard form factor |
US5766041A (en) * | 1996-05-31 | 1998-06-16 | The Whitaker Corporation | Shield member for panel mount connector |
EP0826997B1 (en) | 1996-08-26 | 2003-07-23 | Sumitomo Electric Industries, Ltd. | Optoelectronic module and method of manufacturing the same |
US5757998A (en) * | 1996-10-02 | 1998-05-26 | International Business Machines Corporation | Multigigabit adaptable transceiver module |
US5966487A (en) * | 1997-05-27 | 1999-10-12 | Methode Electronics, Inc. | External pluggable high frequency data communication module |
JP3726151B2 (en) | 1997-08-25 | 2005-12-14 | 株式会社日立グローバルストレージテクノロジーズ | Disk device and removable magnetic disk device |
US5901263A (en) * | 1997-09-12 | 1999-05-04 | International Business Machines Corporation | Hot pluggable module integrated lock/extraction tool |
US6085006A (en) * | 1997-09-12 | 2000-07-04 | International Business Machines Corporation | Optical fiber link module with internal electromagnetic shield |
SG71172A1 (en) | 1997-12-03 | 2000-03-21 | Sumitomo Electric Industries | Optical data link |
US6239427B1 (en) | 1998-01-14 | 2001-05-29 | Sumitomo Electric Industries, Ltd. | Optical data link |
US6047172A (en) * | 1998-03-10 | 2000-04-04 | 3Com Corporation | Transceiver assembly with an electromagnetic shield |
US6179627B1 (en) * | 1998-04-22 | 2001-01-30 | Stratos Lightwave, Inc. | High speed interface converter module |
US6203333B1 (en) * | 1998-04-22 | 2001-03-20 | Stratos Lightwave, Inc. | High speed interface converter module |
US6062893A (en) | 1998-06-04 | 2000-05-16 | Molex Incorporated | Adapter frame for an electrical connector |
US6178096B1 (en) * | 1998-11-25 | 2001-01-23 | The Whitaker Corporation | Shielding cover having parts held together by latch members |
US5980324A (en) * | 1998-12-18 | 1999-11-09 | International Business Machines Corporation | Guide rail system with integrated wedge connector for removable transceiver |
US6074228A (en) * | 1998-12-18 | 2000-06-13 | International Business Machines Corporation | Guide rail and CAM system with integrated connector for removable transceiver |
US6206582B1 (en) | 1999-01-22 | 2001-03-27 | Stratos Lightwave, Inc. | EMI reduction for optical subassembly |
US6206730B1 (en) * | 1999-02-04 | 2001-03-27 | Molex Incorporated | Shielded electrical connector |
US6213651B1 (en) | 1999-05-26 | 2001-04-10 | E20 Communications, Inc. | Method and apparatus for vertical board construction of fiber optic transmitters, receivers and transceivers |
US6220873B1 (en) * | 1999-08-10 | 2001-04-24 | Stratos Lightwave, Inc. | Modified contact traces for interface converter |
US6485322B1 (en) | 1999-10-01 | 2002-11-26 | Jds Uniphase Corporation | Removable latch and bezel EMI grounding feature for fiber-optic transceivers |
JP3646979B2 (en) * | 1999-12-08 | 2005-05-11 | 矢崎総業株式会社 | Hybrid connector |
SE521646C2 (en) * | 1999-11-23 | 2003-11-18 | Ericsson Telefon Ab L M | Covering element for module |
US6304436B1 (en) | 1999-12-03 | 2001-10-16 | International Business Machines Corporation | Connector system with outwardly opening door for a removable transceiver module |
US6350063B1 (en) * | 1999-12-13 | 2002-02-26 | Stratos Lightwave, Inc. | Pluggable optical transceiver module having a high speed serial data connector (HSSDC) |
US6155878A (en) | 1999-12-15 | 2000-12-05 | Hon Hai Precision Ind. Oc., Ltd. | Electrical connector with separate shield and grounding member |
US6335869B1 (en) * | 2000-01-20 | 2002-01-01 | International Business Machines Corporation | Removable small form factor fiber optic transceiver module and electromagnetic radiation shield |
US6241534B1 (en) * | 2000-01-25 | 2001-06-05 | Molex Incorporated | GBIC connector with circuit board mating faces |
US6358066B1 (en) | 2001-02-28 | 2002-03-19 | Stratos Lightwave, Inc. | Surface mountable transceiver |
US6371787B1 (en) | 2001-03-07 | 2002-04-16 | International Business Machines Corporation | Pull-to-release type latch mechanism for removable small form factor electronic modules |
US7314318B2 (en) | 2001-03-15 | 2008-01-01 | International Business Machines Corporation | Compact optical transceivers including thermal distributing and electromagnetic shielding systems and methods thereof |
US6439918B1 (en) * | 2001-10-04 | 2002-08-27 | Finisar Corporation | Electronic module having an integrated latching mechanism |
US6416361B1 (en) | 2001-11-16 | 2002-07-09 | Hon Hai Precision Ind. Co., Ltd. | Small form-factor pluggable transceiver cage |
-
2001
- 2001-08-22 US US09/934,875 patent/US6607308B2/en not_active Expired - Lifetime
-
2002
- 2002-12-31 US US10/335,443 patent/US20030152331A1/en not_active Abandoned
- 2002-12-31 US US10/335,386 patent/US20030152339A1/en not_active Abandoned
Patent Citations (99)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US270252A (en) * | 1883-01-09 | Fastening for car-doors | ||
US647148A (en) * | 1899-09-21 | 1900-04-10 | Frederick Myers | Car wheel and axle. |
US1661535A (en) * | 1924-10-23 | 1928-03-06 | Western Electric Co | Electric shielding |
US1765443A (en) * | 1928-02-25 | 1930-06-24 | Rca Corp | Shielding |
US1955648A (en) * | 1932-03-08 | 1934-04-17 | Nickler Charles Josef | Holding device for screens and the like |
US2317813A (en) * | 1940-02-28 | 1943-04-27 | Rca Corp | Shielding |
US2321587A (en) * | 1940-05-10 | 1943-06-15 | Davie | Electrical conductive coating |
US2349440A (en) * | 1941-09-24 | 1944-05-23 | Stephen D Lavoie | Wave meter |
US2629764A (en) * | 1949-06-07 | 1953-02-24 | Sylvania Electric Prod | Automobile radio cabinet with cover contact clips |
US2783295A (en) * | 1952-01-18 | 1957-02-26 | Gen Electric | Waveguide seal |
US2793245A (en) * | 1953-01-21 | 1957-05-21 | Ace Engineering & Machine Co I | Radio shielded enclosures |
US2790153A (en) * | 1953-03-05 | 1957-04-23 | Cannon Electric Co | Polarized electrical plug and socket connector having a plurality of contacts |
US2876275A (en) * | 1953-08-12 | 1959-03-03 | Richard B Schulz | Shielding panel and joint construction |
US2704301A (en) * | 1953-08-13 | 1955-03-15 | Feketics Frank | Shielding enclosures |
US2872139A (en) * | 1953-10-21 | 1959-02-03 | Jr William A Bedford | Fastening device |
US2825042A (en) * | 1954-06-24 | 1958-02-25 | Collins Radio Co | Spring contact fingers for shield plates |
US2978531A (en) * | 1959-04-06 | 1961-04-04 | Topatron Inc | Shielding structure |
US2974183A (en) * | 1959-04-08 | 1961-03-07 | Hazeltine Research Inc | Gasket for electric equipment |
US3026367A (en) * | 1959-05-08 | 1962-03-20 | Tech Wire Prod Inc | Shielding and mounting strip |
US3019281A (en) * | 1960-03-04 | 1962-01-30 | Tech Wire Prod Inc | Electrical shielding and sealing gasket |
US3128138A (en) * | 1960-03-23 | 1964-04-07 | Rocco J Noschese | Connector |
US3234318A (en) * | 1962-10-12 | 1966-02-08 | Philips Corp | Electric shield for a very highfrequency channel selector |
US3304360A (en) * | 1964-06-03 | 1967-02-14 | Bell Telephone Labor Inc | Radio frequency gasket for shielded enclosures |
US3423670A (en) * | 1964-08-07 | 1969-01-21 | Perkin Elmer Ltd | Magnetic shield arrangement for a high flux homogeneous field-producing magnet |
US3305623A (en) * | 1964-10-19 | 1967-02-21 | Metex Corp | Shielded window construction |
US3385970A (en) * | 1964-12-18 | 1968-05-28 | Bunker Ramo | Nonreciprocal signal coupling apparatus using optical coupling link in waveguide operating below cutoff |
US3368150A (en) * | 1965-01-04 | 1968-02-06 | Gen Electric | Construction for radios and the like |
US3300687A (en) * | 1965-05-07 | 1967-01-24 | Burroughs Corp | Package for an electronic module |
US3311792A (en) * | 1965-06-01 | 1967-03-28 | Ray R Scoville | Plug-in case for high frequency circuits |
US3436467A (en) * | 1966-09-09 | 1969-04-01 | Honeywell Inc | Electric shield and insulator |
US3426140A (en) * | 1966-11-10 | 1969-02-04 | Collins Radio Co | Connector rfi seal spring |
US3370140A (en) * | 1966-11-16 | 1968-02-20 | Robert E. Betts | Electro-magnetic radiation proof plug and receptacle |
US3366918A (en) * | 1966-11-23 | 1968-01-30 | Collins Radio Co | Shell-to-shell-to-shelf rfi seal spring |
US3504095A (en) * | 1968-01-30 | 1970-03-31 | Instr Specialties Co Inc | Shielding gaskets |
US3566336A (en) * | 1968-08-30 | 1971-02-23 | Itt | Connector assembly |
US3569915A (en) * | 1968-09-16 | 1971-03-09 | Itt | Grounding foil |
US3506877A (en) * | 1968-09-25 | 1970-04-14 | Us Navy | Hermetically sealed and shielded circuit module |
US3555168A (en) * | 1969-06-11 | 1971-01-12 | Tapecon | Shielding gasket |
US3659251A (en) * | 1970-05-28 | 1972-04-25 | Electro Adapter Inc | Adapter for electrical cable |
US3721746A (en) * | 1971-10-01 | 1973-03-20 | Motorola Inc | Shielding techniques for r.f. circuitry |
US3784233A (en) * | 1971-10-15 | 1974-01-08 | Bunker Ramo | Cable-termination adapter |
US3885084A (en) * | 1972-10-16 | 1975-05-20 | Siemens Ag | Structure for sealing a joint in an electromagnetic screening enclosure |
US3878397A (en) * | 1973-06-29 | 1975-04-15 | Itt | Electro-optical transmission line |
US3871735A (en) * | 1973-08-23 | 1975-03-18 | Amp Inc | Shielded high voltage connector |
US3864011A (en) * | 1973-08-27 | 1975-02-04 | Amp Inc | Coaxial ribbon cable connector |
US3883715A (en) * | 1973-12-03 | 1975-05-13 | Sybron Corp | Controlled environment module |
US3952152A (en) * | 1974-10-29 | 1976-04-20 | Teletype Corporation | CRT shield |
US3944317A (en) * | 1975-01-13 | 1976-03-16 | Amex Systems, Inc. | Adapter for shielded electrical cable connections |
US4427879A (en) * | 1975-04-18 | 1984-01-24 | Allied Corporation | Optoelectronic connector assembly |
US4020430A (en) * | 1975-04-28 | 1977-04-26 | Amp Incorporated | Filtered connector assembly with composite ground plane |
US4018989A (en) * | 1975-12-24 | 1977-04-19 | Summagraphics Corporation | Position coordinate determination device |
US4012042A (en) * | 1976-01-19 | 1977-03-15 | Blasingame Steve J | Invertible pocketed target for a disc throwing game |
US4149027A (en) * | 1977-05-27 | 1979-04-10 | Atari, Inc. | TV game cartridge and method |
US4138711A (en) * | 1977-09-29 | 1979-02-06 | Allen-Bradley Company | Static control device for printed circuit package |
US4447492A (en) * | 1977-11-21 | 1984-05-08 | Occidental Chemical Corporation | Articles having an electrically conductive surface |
US4148543A (en) * | 1978-04-28 | 1979-04-10 | General Dynamics Corporation | Suppressor for electromagnetic interference |
US4255015A (en) * | 1978-09-01 | 1981-03-10 | Rockwell International Corporation | Means for coupling a fiber optic cable with an electro-optic transducer |
US4325103A (en) * | 1978-12-28 | 1982-04-13 | Murata Manufacturing Co., Ltd. | Provisional fixing structure of electronic tuner |
US4265506A (en) * | 1979-08-17 | 1981-05-05 | Amp Incorporated | Filtered connector assembly |
US4322572A (en) * | 1979-10-22 | 1982-03-30 | Tektronix, Inc. | Electromagnetic interference shielding device |
US4331285A (en) * | 1980-03-24 | 1982-05-25 | Hewlett-Packard Company | Method for fabricating a magnetic shielding enclosure |
US4384368A (en) * | 1980-05-22 | 1983-05-17 | Siemens Aktiengesellschaft | Insulated insert with high electric strength |
US4491981A (en) * | 1980-05-22 | 1985-01-01 | Siemens Aktiengesellschaft | Galvanically separating coupling location for energy and/or signal transmission |
US4380359A (en) * | 1980-12-05 | 1983-04-19 | General Motors Corporation | Electrical connector for an instrument panel |
US4381129A (en) * | 1981-07-13 | 1983-04-26 | Zenith Radio Corporation | Grounded, multi-pin connector for shielded flat cable |
US4384165A (en) * | 1981-09-14 | 1983-05-17 | Motorola, Inc. | Radio frequency shield with force multiplier interconnection fingers for an electromagnetic gasket |
US4516815A (en) * | 1982-06-07 | 1985-05-14 | Spectrum Control, Inc. | RF filter connector |
US4514586A (en) * | 1982-08-30 | 1985-04-30 | Enthone, Inc. | Method of using a shielding means to attenuate electromagnetic radiation in the radio frequency range |
US4512618A (en) * | 1983-03-10 | 1985-04-23 | Amp Incorporated | Grounding mating hardware |
US4506937A (en) * | 1983-05-02 | 1985-03-26 | Amp Incorporated | Latching-grounding blocks |
US4659869A (en) * | 1983-06-20 | 1987-04-21 | Pawling Rubber Corporation | Clip-on strip for RFT/EMI shielding |
US4518209A (en) * | 1983-06-30 | 1985-05-21 | Welcon Connector Company | Connector block with RF shield |
US4567317A (en) * | 1983-07-07 | 1986-01-28 | Computer Products, Inc. | EMI/RFI Protected enclosure |
US4500159A (en) * | 1983-08-31 | 1985-02-19 | Allied Corporation | Filter electrical connector |
US4572921A (en) * | 1984-07-30 | 1986-02-25 | Instrument Specialties Co., Inc. | Electromagnetic shielding device |
US4737008A (en) * | 1984-10-01 | 1988-04-12 | Mitsumi Electric Co., Ltd. | Optical transmitting and/or receiving module |
US4571012A (en) * | 1984-12-21 | 1986-02-18 | Molex Incorporated | Shielded electrical connector assembly |
US4823235A (en) * | 1986-02-06 | 1989-04-18 | Fujitsu Limited | Earth connection device in metal core printed circuit board |
US4906208A (en) * | 1987-05-15 | 1990-03-06 | Hirose Electric Co., Ltd. | Electrical connector |
US4803306A (en) * | 1987-06-03 | 1989-02-07 | Computervision Corporation | Electromagnetic shielding clip |
US4899254A (en) * | 1987-07-22 | 1990-02-06 | Tandem Computers Incorporated | Electronic module interconnection system |
US4903402A (en) * | 1987-07-28 | 1990-02-27 | Amp Incorporated | Method of assembling a connector to a circuit card |
US4808115A (en) * | 1987-07-28 | 1989-02-28 | Amp Incorporated | Line replaceable connector assembly for use with printed circuit boards |
US4820885A (en) * | 1987-09-25 | 1989-04-11 | Tom E Lindsay | Magnetic gasket for shielding against electromagnetic radiation |
US4812137A (en) * | 1987-11-25 | 1989-03-14 | Itt Corporation | Connector with EMI/RFI grounding spring |
US4990094A (en) * | 1987-12-21 | 1991-02-05 | Amp Incorporated | Data distribution panel |
US4829432A (en) * | 1987-12-28 | 1989-05-09 | Eastman Kodak Company | Apparatus for shielding an electrical circuit from electromagnetic interference |
US4913511A (en) * | 1989-03-30 | 1990-04-03 | Northern Telecom Limited | Transient voltage suppression for electro-optic modules |
US4902402A (en) * | 1989-03-30 | 1990-02-20 | Westinghouse Electric Corp. | Chloride containing solid electrolyte gas sensing apparatus |
US4991062A (en) * | 1989-05-16 | 1991-02-05 | At&T Bell Laboratories | EMI reducing circuit card apparatus |
US5001297A (en) * | 1989-05-23 | 1991-03-19 | Instrument Specialties Company, Inc. | Track mounted electromagnetic shielding device |
US5006667A (en) * | 1989-07-05 | 1991-04-09 | Nokia Mobile Phones Ltd. | Method and apparatus for shielding a printed circuit board |
US4926291A (en) * | 1989-07-31 | 1990-05-15 | Western Digital Corporation | Data storage mounting assembly |
US5005939A (en) * | 1990-03-26 | 1991-04-09 | International Business Machines Corporation | Optoelectronic assembly |
US5012042A (en) * | 1990-06-28 | 1991-04-30 | Northern Telecom Limited | Cable entry device for EMI shielded cabinets |
US5015802A (en) * | 1990-08-27 | 1991-05-14 | Enlight Corporation | Computer casing connector |
US5094623A (en) * | 1991-04-30 | 1992-03-10 | Thomas & Betts Corporation | Controlled impedance electrical connector |
US5083931A (en) * | 1991-05-15 | 1992-01-28 | International Business Machines Corporation | Device grounding spring |
US5755595A (en) * | 1996-06-27 | 1998-05-26 | Whitaker Corporation | Shielded electrical connector |
Cited By (259)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070230965A1 (en) * | 2004-06-03 | 2007-10-04 | Rohm Co., Ltd | Optical Communication Module |
US20050271333A1 (en) * | 2004-06-04 | 2005-12-08 | Industrial Technology Research Institute | Light transceiver module |
US7680389B2 (en) | 2004-06-04 | 2010-03-16 | Industrial Technology Research Institute | Light transceiver module |
US7406230B2 (en) * | 2004-10-05 | 2008-07-29 | Sumitomo Electric Industries, Ltd. | Optical transceiver with a pluggable function |
US20070189673A1 (en) * | 2004-10-05 | 2007-08-16 | Satoshi Yoshikawa | Optical transceiver with a pluggable function |
US20060222303A1 (en) * | 2005-04-01 | 2006-10-05 | Delta Electronics, Inc. | Optical transceiver module |
US7220063B2 (en) * | 2005-04-01 | 2007-05-22 | Delta Electronics, Inc. | Optical transceiver module |
US20090202207A1 (en) * | 2005-08-15 | 2009-08-13 | Molex Incorporated | Industrial interconnect system incorporating transceiver module cage |
US9048573B2 (en) * | 2005-08-15 | 2015-06-02 | Molex Incorporated | Industrial interconnect system incorporating transceiver module cage |
US7488120B2 (en) * | 2005-12-29 | 2009-02-10 | Intel Corporation | Fiber optic module and optical subassembly with reduced electromagnetic interference |
WO2007078866A3 (en) * | 2005-12-29 | 2007-12-13 | Intel Corp | Fiber optic module and optical subassembly with reduced electromagnetic interference |
US7290945B2 (en) * | 2005-12-29 | 2007-11-06 | Intel Corporation | Electromagnetic inductive shield |
WO2007078866A2 (en) * | 2005-12-29 | 2007-07-12 | Intel Corporation | Fiber optic module and optical subassembly with reduced electromagnetic interference |
US20070154148A1 (en) * | 2005-12-29 | 2007-07-05 | Josh Oen | Fiber optic module and optical subassembly with reduced electromagnetic interference |
US20070154149A1 (en) * | 2005-12-29 | 2007-07-05 | Intel Corporation | Electromagnetic inductive shield |
US20080152285A1 (en) * | 2006-12-22 | 2008-06-26 | Avago Technologies, Ltd | Mid module and a method of mounting an optical fibre in an mid module |
US7597484B2 (en) * | 2006-12-22 | 2009-10-06 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd. | MID module and a method of mounting an optical fibre in an MID module |
US8118497B2 (en) * | 2008-12-23 | 2012-02-21 | Hon Hai Precision Ind. Co., Ltd. | Connector utilized for different kinds of signal transmition |
US20100158449A1 (en) * | 2008-12-23 | 2010-06-24 | Hon Hai Precision Ind. Co., Ltd. | Connector utilized for different kinds of signal transmition |
US20100296778A1 (en) * | 2009-05-19 | 2010-11-25 | Japan Aviation Electronics Industry, Limited | Optical connector |
US20130011101A1 (en) * | 2009-05-19 | 2013-01-10 | Japan Aviation Electronics Industry, Ltd. | Optical connector |
US8356947B2 (en) * | 2009-05-19 | 2013-01-22 | Japan Aviation Electronics Industry, Limited | Optical connector |
US8485736B2 (en) * | 2009-05-19 | 2013-07-16 | Japan Aviation Electronics Industry, Limited | Optical connector |
US20120195564A1 (en) * | 2011-01-27 | 2012-08-02 | Sagi Varghese Mathai | Waveguide arrays |
US8503848B2 (en) * | 2011-01-27 | 2013-08-06 | Hewlett-Packard Development Company, L.P. | Waveguide arrays |
US20120327630A1 (en) * | 2011-06-27 | 2012-12-27 | Crestron Electronics, Inc. | Hi-Definition Multimedia Interface Shield with Fingers |
US8724343B2 (en) * | 2011-06-27 | 2014-05-13 | Crestron Electronics Inc. | Hi-definition multimedia interface shield with fingers |
US9119127B1 (en) | 2012-12-05 | 2015-08-25 | At&T Intellectual Property I, Lp | Backhaul link for distributed antenna system |
US9699785B2 (en) | 2012-12-05 | 2017-07-04 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US10009065B2 (en) | 2012-12-05 | 2018-06-26 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US9788326B2 (en) | 2012-12-05 | 2017-10-10 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US10194437B2 (en) | 2012-12-05 | 2019-01-29 | At&T Intellectual Property I, L.P. | Backhaul link for distributed antenna system |
US20140322932A1 (en) * | 2013-04-25 | 2014-10-30 | Donald T. Tran | Interconnect cable with edge finger connector |
US9118151B2 (en) * | 2013-04-25 | 2015-08-25 | Intel Corporation | Interconnect cable with edge finger connector |
US10074920B2 (en) | 2013-04-25 | 2018-09-11 | Intel Corporation | Interconnect cable with edge finger connector |
US9930668B2 (en) | 2013-05-31 | 2018-03-27 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9525524B2 (en) | 2013-05-31 | 2016-12-20 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US10051630B2 (en) | 2013-05-31 | 2018-08-14 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US10091787B2 (en) | 2013-05-31 | 2018-10-02 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US9999038B2 (en) | 2013-05-31 | 2018-06-12 | At&T Intellectual Property I, L.P. | Remote distributed antenna system |
US10409008B2 (en) * | 2013-06-28 | 2019-09-10 | Toto Ltd. | Optical receptacle, ferrule, and plug ferrule |
US20160299297A1 (en) * | 2013-06-28 | 2016-10-13 | Toto Ltd. | Optical receptacle, ferrule, and plug ferrule |
US10048448B2 (en) * | 2013-06-28 | 2018-08-14 | Toto Ltd. | Optical receptacle, ferrule, and plug ferrule |
US9810853B2 (en) | 2013-06-28 | 2017-11-07 | Toto Ltd. | Optical receptacle, ferrule, and plug ferrule |
US9467870B2 (en) | 2013-11-06 | 2016-10-11 | At&T Intellectual Property I, L.P. | Surface-wave communications and methods thereof |
US9674711B2 (en) | 2013-11-06 | 2017-06-06 | At&T Intellectual Property I, L.P. | Surface-wave communications and methods thereof |
US9154966B2 (en) | 2013-11-06 | 2015-10-06 | At&T Intellectual Property I, Lp | Surface-wave communications and methods thereof |
US9661505B2 (en) | 2013-11-06 | 2017-05-23 | At&T Intellectual Property I, L.P. | Surface-wave communications and methods thereof |
US9209902B2 (en) | 2013-12-10 | 2015-12-08 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US9794003B2 (en) | 2013-12-10 | 2017-10-17 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US9876584B2 (en) | 2013-12-10 | 2018-01-23 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US9479266B2 (en) | 2013-12-10 | 2016-10-25 | At&T Intellectual Property I, L.P. | Quasi-optical coupler |
US10096881B2 (en) | 2014-08-26 | 2018-10-09 | At&T Intellectual Property I, L.P. | Guided wave couplers for coupling electromagnetic waves to an outer surface of a transmission medium |
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US9755697B2 (en) | 2014-09-15 | 2017-09-05 | At&T Intellectual Property I, L.P. | Method and apparatus for sensing a condition in a transmission medium of electromagnetic waves |
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US10063280B2 (en) | 2014-09-17 | 2018-08-28 | At&T Intellectual Property I, L.P. | Monitoring and mitigating conditions in a communication network |
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US10381703B2 (en) | 2015-05-14 | 2019-08-13 | At&T Intellectual Property I, L.P. | Transmission medium having multiple cores and including a material disposed between the multiple cores for reducing cross-talk |
US10276907B2 (en) | 2015-05-14 | 2019-04-30 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
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US10650940B2 (en) | 2015-05-15 | 2020-05-12 | At&T Intellectual Property I, L.P. | Transmission medium having a conductive material and methods for use therewith |
US9917341B2 (en) | 2015-05-27 | 2018-03-13 | At&T Intellectual Property I, L.P. | Apparatus and method for launching electromagnetic waves and for modifying radial dimensions of the propagating electromagnetic waves |
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US9912381B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US9912382B2 (en) | 2015-06-03 | 2018-03-06 | At&T Intellectual Property I, Lp | Network termination and methods for use therewith |
US10348391B2 (en) | 2015-06-03 | 2019-07-09 | At&T Intellectual Property I, L.P. | Client node device with frequency conversion and methods for use therewith |
US10154493B2 (en) | 2015-06-03 | 2018-12-11 | At&T Intellectual Property I, L.P. | Network termination and methods for use therewith |
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US9997819B2 (en) | 2015-06-09 | 2018-06-12 | At&T Intellectual Property I, L.P. | Transmission medium and method for facilitating propagation of electromagnetic waves via a core |
US9913139B2 (en) | 2015-06-09 | 2018-03-06 | At&T Intellectual Property I, L.P. | Signal fingerprinting for authentication of communicating devices |
US10027398B2 (en) | 2015-06-11 | 2018-07-17 | At&T Intellectual Property I, Lp | Repeater and methods for use therewith |
US10142086B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
US10142010B2 (en) | 2015-06-11 | 2018-11-27 | At&T Intellectual Property I, L.P. | Repeater and methods for use therewith |
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US9820146B2 (en) | 2015-06-12 | 2017-11-14 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9667317B2 (en) | 2015-06-15 | 2017-05-30 | At&T Intellectual Property I, L.P. | Method and apparatus for providing security using network traffic adjustments |
US9640850B2 (en) | 2015-06-25 | 2017-05-02 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9882657B2 (en) | 2015-06-25 | 2018-01-30 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US10069185B2 (en) | 2015-06-25 | 2018-09-04 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a non-fundamental wave mode on a transmission medium |
US9509415B1 (en) | 2015-06-25 | 2016-11-29 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US9865911B2 (en) | 2015-06-25 | 2018-01-09 | At&T Intellectual Property I, L.P. | Waveguide system for slot radiating first electromagnetic waves that are combined into a non-fundamental wave mode second electromagnetic wave on a transmission medium |
US9787412B2 (en) | 2015-06-25 | 2017-10-10 | At&T Intellectual Property I, L.P. | Methods and apparatus for inducing a fundamental wave mode on a transmission medium |
US10090601B2 (en) | 2015-06-25 | 2018-10-02 | At&T Intellectual Property I, L.P. | Waveguide system and methods for inducing a non-fundamental wave mode on a transmission medium |
US10170840B2 (en) | 2015-07-14 | 2019-01-01 | At&T Intellectual Property I, L.P. | Apparatus and methods for sending or receiving electromagnetic signals |
US9929755B2 (en) | 2015-07-14 | 2018-03-27 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10341142B2 (en) | 2015-07-14 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an uninsulated conductor |
US10320586B2 (en) | 2015-07-14 | 2019-06-11 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating non-interfering electromagnetic waves on an insulated transmission medium |
US9836957B2 (en) | 2015-07-14 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating with premises equipment |
US10205655B2 (en) | 2015-07-14 | 2019-02-12 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array and multiple communication paths |
US9947982B2 (en) | 2015-07-14 | 2018-04-17 | At&T Intellectual Property I, Lp | Dielectric transmission medium connector and methods for use therewith |
US9847566B2 (en) | 2015-07-14 | 2017-12-19 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting a field of a signal to mitigate interference |
US10148016B2 (en) | 2015-07-14 | 2018-12-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for communicating utilizing an antenna array |
US9853342B2 (en) | 2015-07-14 | 2017-12-26 | At&T Intellectual Property I, L.P. | Dielectric transmission medium connector and methods for use therewith |
US9722318B2 (en) | 2015-07-14 | 2017-08-01 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US9882257B2 (en) | 2015-07-14 | 2018-01-30 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10033107B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Method and apparatus for coupling an antenna to a device |
US10033108B2 (en) | 2015-07-14 | 2018-07-24 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave having a wave mode that mitigates interference |
US10044409B2 (en) | 2015-07-14 | 2018-08-07 | At&T Intellectual Property I, L.P. | Transmission medium and methods for use therewith |
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US9608740B2 (en) | 2015-07-15 | 2017-03-28 | At&T Intellectual Property I, L.P. | Method and apparatus for launching a wave mode that mitigates interference |
US10090606B2 (en) | 2015-07-15 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system with dielectric array and methods for use therewith |
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US9871283B2 (en) | 2015-07-23 | 2018-01-16 | At&T Intellectual Property I, Lp | Transmission medium having a dielectric core comprised of plural members connected by a ball and socket configuration |
US9948333B2 (en) | 2015-07-23 | 2018-04-17 | At&T Intellectual Property I, L.P. | Method and apparatus for wireless communications to mitigate interference |
US9806818B2 (en) | 2015-07-23 | 2017-10-31 | At&T Intellectual Property I, Lp | Node device, repeater and methods for use therewith |
US10074886B2 (en) | 2015-07-23 | 2018-09-11 | At&T Intellectual Property I, L.P. | Dielectric transmission medium comprising a plurality of rigid dielectric members coupled together in a ball and socket configuration |
US9461706B1 (en) | 2015-07-31 | 2016-10-04 | At&T Intellectual Property I, Lp | Method and apparatus for exchanging communication signals |
US10020587B2 (en) | 2015-07-31 | 2018-07-10 | At&T Intellectual Property I, L.P. | Radial antenna and methods for use therewith |
US9735833B2 (en) | 2015-07-31 | 2017-08-15 | At&T Intellectual Property I, L.P. | Method and apparatus for communications management in a neighborhood network |
US9838078B2 (en) | 2015-07-31 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for exchanging communication signals |
US9967173B2 (en) | 2015-07-31 | 2018-05-08 | At&T Intellectual Property I, L.P. | Method and apparatus for authentication and identity management of communicating devices |
US9904535B2 (en) | 2015-09-14 | 2018-02-27 | At&T Intellectual Property I, L.P. | Method and apparatus for distributing software |
US10349418B2 (en) | 2015-09-16 | 2019-07-09 | At&T Intellectual Property I, L.P. | Method and apparatus for managing utilization of wireless resources via use of a reference signal to reduce distortion |
US10225842B2 (en) | 2015-09-16 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method, device and storage medium for communications using a modulated signal and a reference signal |
US10051629B2 (en) | 2015-09-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having an in-band reference signal |
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US9705571B2 (en) | 2015-09-16 | 2017-07-11 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system |
US10009901B2 (en) | 2015-09-16 | 2018-06-26 | At&T Intellectual Property I, L.P. | Method, apparatus, and computer-readable storage medium for managing utilization of wireless resources between base stations |
US9769128B2 (en) | 2015-09-28 | 2017-09-19 | At&T Intellectual Property I, L.P. | Method and apparatus for encryption of communications over a network |
US9729197B2 (en) | 2015-10-01 | 2017-08-08 | At&T Intellectual Property I, L.P. | Method and apparatus for communicating network management traffic over a network |
US9876264B2 (en) | 2015-10-02 | 2018-01-23 | At&T Intellectual Property I, Lp | Communication system, guided wave switch and methods for use therewith |
US9882277B2 (en) | 2015-10-02 | 2018-01-30 | At&T Intellectual Property I, Lp | Communication device and antenna assembly with actuated gimbal mount |
US10074890B2 (en) | 2015-10-02 | 2018-09-11 | At&T Intellectual Property I, L.P. | Communication device and antenna with integrated light assembly |
US10665942B2 (en) | 2015-10-16 | 2020-05-26 | At&T Intellectual Property I, L.P. | Method and apparatus for adjusting wireless communications |
US10051483B2 (en) | 2015-10-16 | 2018-08-14 | At&T Intellectual Property I, L.P. | Method and apparatus for directing wireless signals |
US10355367B2 (en) | 2015-10-16 | 2019-07-16 | At&T Intellectual Property I, L.P. | Antenna structure for exchanging wireless signals |
WO2017123236A1 (en) * | 2016-01-15 | 2017-07-20 | Hewlett Packard Enterprise Development Lp | Electromagnetic interference shield for optical connectors |
US9912419B1 (en) | 2016-08-24 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for managing a fault in a distributed antenna system |
US9860075B1 (en) | 2016-08-26 | 2018-01-02 | At&T Intellectual Property I, L.P. | Method and communication node for broadband distribution |
US10291311B2 (en) | 2016-09-09 | 2019-05-14 | At&T Intellectual Property I, L.P. | Method and apparatus for mitigating a fault in a distributed antenna system |
US11032819B2 (en) | 2016-09-15 | 2021-06-08 | At&T Intellectual Property I, L.P. | Method and apparatus for use with a radio distributed antenna system having a control channel reference signal |
US10340600B2 (en) | 2016-10-18 | 2019-07-02 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via plural waveguide systems |
US10135147B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via an antenna |
US10135146B2 (en) | 2016-10-18 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching guided waves via circuits |
US10374316B2 (en) | 2016-10-21 | 2019-08-06 | At&T Intellectual Property I, L.P. | System and dielectric antenna with non-uniform dielectric |
US10811767B2 (en) | 2016-10-21 | 2020-10-20 | At&T Intellectual Property I, L.P. | System and dielectric antenna with convex dielectric radome |
US9876605B1 (en) | 2016-10-21 | 2018-01-23 | At&T Intellectual Property I, L.P. | Launcher and coupling system to support desired guided wave mode |
US9991580B2 (en) | 2016-10-21 | 2018-06-05 | At&T Intellectual Property I, L.P. | Launcher and coupling system for guided wave mode cancellation |
US10340573B2 (en) | 2016-10-26 | 2019-07-02 | At&T Intellectual Property I, L.P. | Launcher with cylindrical coupling device and methods for use therewith |
US10312567B2 (en) | 2016-10-26 | 2019-06-04 | At&T Intellectual Property I, L.P. | Launcher with planar strip antenna and methods for use therewith |
US10291334B2 (en) | 2016-11-03 | 2019-05-14 | At&T Intellectual Property I, L.P. | System for detecting a fault in a communication system |
US10498044B2 (en) | 2016-11-03 | 2019-12-03 | At&T Intellectual Property I, L.P. | Apparatus for configuring a surface of an antenna |
US10224634B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Methods and apparatus for adjusting an operational characteristic of an antenna |
US10225025B2 (en) | 2016-11-03 | 2019-03-05 | At&T Intellectual Property I, L.P. | Method and apparatus for detecting a fault in a communication system |
US10090594B2 (en) | 2016-11-23 | 2018-10-02 | At&T Intellectual Property I, L.P. | Antenna system having structural configurations for assembly |
US10535928B2 (en) | 2016-11-23 | 2020-01-14 | At&T Intellectual Property I, L.P. | Antenna system and methods for use therewith |
US10178445B2 (en) | 2016-11-23 | 2019-01-08 | At&T Intellectual Property I, L.P. | Methods, devices, and systems for load balancing between a plurality of waveguides |
US10340603B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Antenna system having shielded structural configurations for assembly |
US10340601B2 (en) | 2016-11-23 | 2019-07-02 | At&T Intellectual Property I, L.P. | Multi-antenna system and methods for use therewith |
US10361489B2 (en) | 2016-12-01 | 2019-07-23 | At&T Intellectual Property I, L.P. | Dielectric dish antenna system and methods for use therewith |
US10305190B2 (en) | 2016-12-01 | 2019-05-28 | At&T Intellectual Property I, L.P. | Reflecting dielectric antenna system and methods for use therewith |
US10382976B2 (en) | 2016-12-06 | 2019-08-13 | At&T Intellectual Property I, L.P. | Method and apparatus for managing wireless communications based on communication paths and network device positions |
US10755542B2 (en) | 2016-12-06 | 2020-08-25 | At&T Intellectual Property I, L.P. | Method and apparatus for surveillance via guided wave communication |
US10819035B2 (en) | 2016-12-06 | 2020-10-27 | At&T Intellectual Property I, L.P. | Launcher with helical antenna and methods for use therewith |
US10135145B2 (en) | 2016-12-06 | 2018-11-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for generating an electromagnetic wave along a transmission medium |
US10326494B2 (en) | 2016-12-06 | 2019-06-18 | At&T Intellectual Property I, L.P. | Apparatus for measurement de-embedding and methods for use therewith |
US10020844B2 (en) | 2016-12-06 | 2018-07-10 | T&T Intellectual Property I, L.P. | Method and apparatus for broadcast communication via guided waves |
US10694379B2 (en) | 2016-12-06 | 2020-06-23 | At&T Intellectual Property I, L.P. | Waveguide system with device-based authentication and methods for use therewith |
US9927517B1 (en) | 2016-12-06 | 2018-03-27 | At&T Intellectual Property I, L.P. | Apparatus and methods for sensing rainfall |
US10439675B2 (en) | 2016-12-06 | 2019-10-08 | At&T Intellectual Property I, L.P. | Method and apparatus for repeating guided wave communication signals |
US10637149B2 (en) | 2016-12-06 | 2020-04-28 | At&T Intellectual Property I, L.P. | Injection molded dielectric antenna and methods for use therewith |
US10727599B2 (en) | 2016-12-06 | 2020-07-28 | At&T Intellectual Property I, L.P. | Launcher with slot antenna and methods for use therewith |
US10168695B2 (en) | 2016-12-07 | 2019-01-01 | At&T Intellectual Property I, L.P. | Method and apparatus for controlling an unmanned aircraft |
US10389029B2 (en) | 2016-12-07 | 2019-08-20 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system with core selection and methods for use therewith |
US10446936B2 (en) | 2016-12-07 | 2019-10-15 | At&T Intellectual Property I, L.P. | Multi-feed dielectric antenna system and methods for use therewith |
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US10243270B2 (en) | 2016-12-07 | 2019-03-26 | At&T Intellectual Property I, L.P. | Beam adaptive multi-feed dielectric antenna system and methods for use therewith |
US10359749B2 (en) | 2016-12-07 | 2019-07-23 | At&T Intellectual Property I, L.P. | Method and apparatus for utilities management via guided wave communication |
US10547348B2 (en) | 2016-12-07 | 2020-01-28 | At&T Intellectual Property I, L.P. | Method and apparatus for switching transmission mediums in a communication system |
US9893795B1 (en) | 2016-12-07 | 2018-02-13 | At&T Intellectual Property I, Lp | Method and repeater for broadband distribution |
US10601494B2 (en) | 2016-12-08 | 2020-03-24 | At&T Intellectual Property I, L.P. | Dual-band communication device and method for use therewith |
US10777873B2 (en) | 2016-12-08 | 2020-09-15 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
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US9998870B1 (en) | 2016-12-08 | 2018-06-12 | At&T Intellectual Property I, L.P. | Method and apparatus for proximity sensing |
US10530505B2 (en) | 2016-12-08 | 2020-01-07 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves along a transmission medium |
US10069535B2 (en) | 2016-12-08 | 2018-09-04 | At&T Intellectual Property I, L.P. | Apparatus and methods for launching electromagnetic waves having a certain electric field structure |
US10411356B2 (en) | 2016-12-08 | 2019-09-10 | At&T Intellectual Property I, L.P. | Apparatus and methods for selectively targeting communication devices with an antenna array |
US10916969B2 (en) | 2016-12-08 | 2021-02-09 | At&T Intellectual Property I, L.P. | Method and apparatus for providing power using an inductive coupling |
US10326689B2 (en) | 2016-12-08 | 2019-06-18 | At&T Intellectual Property I, L.P. | Method and system for providing alternative communication paths |
US10103422B2 (en) | 2016-12-08 | 2018-10-16 | At&T Intellectual Property I, L.P. | Method and apparatus for mounting network devices |
US9911020B1 (en) | 2016-12-08 | 2018-03-06 | At&T Intellectual Property I, L.P. | Method and apparatus for tracking via a radio frequency identification device |
US10389037B2 (en) | 2016-12-08 | 2019-08-20 | At&T Intellectual Property I, L.P. | Apparatus and methods for selecting sections of an antenna array and use therewith |
US10340983B2 (en) | 2016-12-09 | 2019-07-02 | At&T Intellectual Property I, L.P. | Method and apparatus for surveying remote sites via guided wave communications |
US9838896B1 (en) | 2016-12-09 | 2017-12-05 | At&T Intellectual Property I, L.P. | Method and apparatus for assessing network coverage |
US10264586B2 (en) | 2016-12-09 | 2019-04-16 | At&T Mobility Ii Llc | Cloud-based packet controller and methods for use therewith |
US9973940B1 (en) | 2017-02-27 | 2018-05-15 | At&T Intellectual Property I, L.P. | Apparatus and methods for dynamic impedance matching of a guided wave launcher |
US10298293B2 (en) | 2017-03-13 | 2019-05-21 | At&T Intellectual Property I, L.P. | Apparatus of communication utilizing wireless network devices |
US10754111B1 (en) * | 2019-04-22 | 2020-08-25 | The Boeing Company | Method for modifying small form factor pluggable transceiver for avionics applications |
WO2023200145A1 (en) * | 2022-04-13 | 2023-10-19 | 선일텔레콤 주식회사 | Dome-type mechanical optical cable junction box |
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US20030152339A1 (en) | 2003-08-14 |
US6607308B2 (en) | 2003-08-19 |
US20020110338A1 (en) | 2002-08-15 |
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