TW422931B - Light branching module - Google Patents

Abstract

A light branching module including a base, a first optical connector coupled to one side of the base, for supporting a first optical cable, a photodetector for receiving a light signal from the first optical cable and converting the same into an electrical signal, a plurality of second optical connectors coupled to the other side of the base, for respectively supporting second optical cables, a branching line installed in the base, for branching the electrical signal output from the photodetector into a plurality of electrical signals, a light signal generator for receiving the branched electrical signals, converting the same into light signals to transmit the converted light signals to the second optical cables of the second optical connectors, and means for coupling the first and second optical connectors to the base.

Description

mm

Jade and description of the invention (1) Background of the invention [Field of the invention] The field of the invention relates to a light splitting module that divides the optical signal of the transmission wheel into a plurality of optical signals. [Related technical description] Generally, the step of transmitting / receiving a signal by light includes converting an electrical signal output from a first device into an optical signal, transmitting the optical signal through an optical waveguide, and then converting the optical signal into an electrical signal, and supplying the electrical signal.予 第二 装置。 Second device. In transmitting signals between devices spaced a predetermined distance from each other, an optical cable including at least one optical fiber is used as an optical waveguide. y devices and multiple devices. Therefore, the light flux of a split beam must be used for this purpose. Ϊν-This is equivalent to the ordinary or the transmission of signal transmission, so that the light is lost and the types of fibers are directed toward each other. Computers, multiple circuit boards, and optical modules can transmit and receive beamsplitters and transfer wheels in general, which generate phase transmission. The diameter of the fiber is manufactured in groups. Therefore, the personal computer is so high as a short distance. [Invention fan_ between and two devices will be a device from one device. It is necessary to accurately turn a monitor with a light splitting module that is quite small so that the optical signal is not suitable for outputting optical signals with a core diameter of the optical fiber at a considerable distance. , So the spectroscopic brain server and multiple devices with close optical communication

• Solve the above problems, so the present invention provides IM9 422331 V. Invention Description (2), which can include: • Support a signal, its coupling substrate, and electrical connection to the connection substrate:-the first optical device and in order to reach the bottom, One cable, one-another-similar devices, and converts the sub-signal in the photosynthetic substrate, the other branch of the first mechanism of the electrical signaler, one optical signal becomes the optical two optical cable to form the above-mentioned consumption base optical debt measurement signal into the side , And is used to generate a signal, 'and the purpose' of the first side of the present invention is to pass the first wheel optical signal. An optical connector of a light splitting module is provided for a branch, which is used as a telecommunication corresponding optical detector, and is used for receiving the optical signal from the first optical cable. The first connector—the electrical signal installed on the cable is divided into multiple electrical signals, and the converted optical signal is transmitted to the second photosynthetic first and second optical connectors to the optical cable edge. The optical signal generator includes: a driver, according to the branch The electrical signal generates a driving signal; and a beam splitter generates an optical signal according to the driving signal of the driver. / The coupling mechanism includes a fishing rod which is installed in an optical connector and is elastically deformable, and a hook member at a consumable part of the base. The optical connector is coupled to the hook device, so the hook can be coupled. . In addition, according to another design concept of the present invention, the coupling mechanism includes a 3 * hook projection located at one of the coupling position of the optical connector and the base, and the optical connector is coupled to the hook projection, and a The other hook slot in the optical connector and the coupling 4 position corresponds to the above-mentioned hook protrusion. According to another design concept of the present invention, the coupling mechanism includes: a lock member having a pair of protruding rods spaced apart from each other, and protruding from both sides of the optical connector; and a resiliently deformable member mounted in the base. Deformation group

m

422331 5. Description of the invention (3) When the optical connector is coupled to the coupling part, the deformed component is inserted into the gap between the protruding rods. Furthermore, it is preferable that the electric power supply wires be installed in the optical connector and the substrate. In addition, the present invention provides a light splitting module including: a substrate; a first optical connector consuming one side of the substrate for supporting a first optical cable; and a lens assembly 'for focusing the optical fiber from the first light beam. Emitted light; multiple second optical connectors that are coupled to the other side of the substrate and support the corresponding second optical cable; a beam splitter for splitting the light focused by the lens assembly and allowing the split beam to be directed An optical fiber of a second optical cable; and a mechanism for coupling the first and first optical connections to the substrate. [Brief description of the drawings] The following description of the preferred embodiments can further understand the above-mentioned objects and advantages of the present invention. Please refer to the accompanying drawings when reading, wherein: FIG. 1 is a breakdown of the embodiments of the present invention. ^ Unintentional exploded perspective view of the W Bidaoyou module. Part of the plane. Schematic perspective of the schematic module. Figure 2 is the optical signal generator shown in Figure 1. It is not intended. Figures 3 and 4 are shown in Figure 1. A perspective view of the coupling mechanism is shown; and FIG. 5 is an eighth diagram according to another embodiment of the present invention. Daoguang Comparison of component numbers and names in the drawing] 1 base

422931 V. Description of the invention (4) 10 First optical connector 10a, 20a, 30 Leading end 1 5 First optical cable 15a output port 1 5 A end part 1 5 0 Lens assembly 1 5 1 Micro lens 1 5 5 branch Line 1 5 5 Beamsplitter 1 6 0 Reference number 1 6 1 Drivers 162, 164 Light emitters 17 Wires 17a, 17b Wires 1 8 Connecting assembly 1 81 Hook projection 1 8 3 Hook groove 1 9 Connecting the mouth 20, 30 Second optical connector 2 8 1 Locking piece 2 5, 3 5 Second optical cable 25a, 35a Input port 4 0 Photodetector 5 0 Comparator

422931

55 branch line 61, 63 driver 62, 64 light emitter 71 turning part 80 coupling mechanism 81 hook 83 hook lock 91 guide protrusion 93 guide groove [preferred embodiment description] Now refer to FIG. 1 'which shows the basis The light splitting module according to the embodiment of the present invention. A photodetector 40 is mounted on one side of the substrate 1. The optical detector 40 coupled to the first optical connector 10 receives the optical signal transmitted through the first optical cable 5 and the optical cable 15 is supported on the first optical connector 10, and then converts the optical signal into an electrical signal to This electric signal is output. 'Light 4 tester 40 is connected to one end of branch line 5 5' to divide the electrical number output from light j tester 4 0 into multiple electrical signals, and the other end of branch line 55 is combined with multiple optical signals Generator. The optical signal generator converts the input electrical signal into an optical signal, and outputs the optical signal to the second optical cables 25 and 35. Each optical signal generator includes drivers 61 and 63 to generate a driving signal according to an electrical signal input via a branch line 55, and includes a light emitter 62, 64. This light generator generates an optical signal by driving the drivers 61, 63. The two optical connectors 20 and 30 support the second optical cables 25 and 35 to be coupled into the optical signal generator. The first optical connector 10 is a multi-channel optical connector. The first optical cable 15 contains

Page 8 422931

At least one optical fiber corresponding to the number of channels of a signal to be transmitted. It is preferable to use a plastic material as the material of the optical fiber. In this example, the optical connector 10 can be formed of plastic. Here, the structures of the second optical connectors 20 and 30 are the same as those of the first optical connector 10. The optical output ports 15a and the optical input ports 25a and 35a are positioned at the lead ends 10a, 20a, and 30a of the optical connectors 10, 20, and 30. The guide protrusions 91 are positioned in the optical connectors 10, 20, and 30, and the guide grooves 93 into which the guide protrusions 91 are inserted are formed in the coupling portion of the substrate 1 and the output ports 15a and the output ports of the optical fiber. The input ports 25a and 35a are aligned with the light detector 40 and the light emitters 62 and 64. The first and second optical cables 15, 25 and 35 are coupled to the substrate 1 by corresponding coupling mechanisms 80. Each of the dissipating mechanisms 80 includes a pair of hooks 81 ′ installed in the optical connectors 10, 20, and 30 and capable of being elastically opened) and a pair of hooks 83 ′ at the dissipating portions 71. Coupling with the hook 81. The coupling portion allows the output port 15a and input ports 25a, 35a of the optical fiber to be aligned with and coupled to the light detector 40 and the light emitters 62 and 64. Hehe mechanism 80 can be modified into many different forms. For example, as shown in FIG. 3 ', hook protrusions 181 may be provided on both sides of the optical connector 10, and hook recesses 183 of the coupling hook protrusions 181 may be formed in the consuming portions 71. Preferably, a spring (not shown in the figure) is used to bias the hook protrusions by applying an elastic force. 8 1 ^ In addition, as shown in FIG. 4, the coupling mechanism 80 may include a lock member 281, and the lock member 281 includes a pair of each other spaced from each other. An extension rod that is open and extends on both sides of the optical connector 10 and is mounted on the base 1 and can be elastically deformed by a deformation component 'This deformation component is inserted into the gap between the extension rods to be locked.

422931 V. Description of the invention (7) ---- See reference to Figure 1 in the Ming, which consists of a plurality of optical detector components in the form of an array and corresponding to the first-fiber cable 15. The converter 40 converts the digital optical signal transmitted through the optical fiber into an electric signal to output the electric signal via the branch line 55. ▲ is best, the comparator 50 is located between the photodetector 40 and the branch line 55. Comparator 5.0 corrects the distortion of the transmission signal caused by the transmission loss of the optical fiber and the nonlinearity of the optical converter 4 ◦ Photoelectric conversion. An amplifier (not shown) for amplifying the input signal t and outputting the amplified 彳 s number may be further provided between the comparator 50 and / or the branch line 55. Each of the light emitters 62 and 64 includes a plurality of semiconductor lasers, and the number of these lasers corresponds to the number of channels of the transmission signal, and forms an array configuration. Preferably, the semiconductor laser is a surface-emitting laser. The surface-emitting laser emits laser light in the direction of the semiconductor layer stack =, so that the object can be manufactured in a simple manner from the emitted light in an array. Moreover, because the shape of the surface-emitting laser beam is approximately circular, so The coupling effect of the transmitted beam and the fiber is quite high even without providing a separate coupling mechanism. As shown in FIG. 2, the optical signal generator may include a single driver 161 and a plurality of light emitters 162 and 164 connected to the driver 161. In this example, a branch line 155 'is arranged between the driver 161 and the plurality of light emitters 162, 164 so that the driving signal generated from the driver 1 61 is separated at the branch line 55, and then the light emitter 1 62 is input. 1 6 4 in. As shown in Fig. 1 ', according to the present invention, it is preferable that the electric wire 17 enables the power to be supplied to the photodetector 4 from an external power source (not shown). Install optical signal generation in at least one of the first optical connector 10 and the second optical connector 20, 30

Page 10 Volume 22331 V. Description of the invention (8) Comparator and comparator 50. In other words, when the optical connectors 10, 20, and 30 are coupled to the substrate 1, 'the connection components 18 formed in the optical connectors 10, 20, and 30 are connected to the port 19', so that the wires can be electrically connected to the substrate 1 In addition, as shown in FIGS. 3 and 4, wires 173 and 171 may be provided on both sides of the optical connector 10). In the following, Soul Ming has the spectroscopic module configured according to the present invention. The optical signal transmitted by the first optical thinner 15 is converted into an electrical signal by the photodetector 40. And divided by the branch line 5 5 and then input the optical signal generator. In the optical signal generator, the driver "is number" is output from the drivers 61 and 63 according to the input electric js number, and the optical signal is generated from the light emitter 62'64 according to the driver jg number, and then the second light buffer 2 5 and 3 5 transmissions. Furthermore, by providing electric wires to the corresponding optical connectors 10, 20, and 30, it is possible to perform signal transmission and power supply to a plurality of devices. For example, it can transmit image signals and power to multiple monitors (not shown) from the host computer (not shown). Fig. 5 is a schematic perspective view of a light splitting module according to another embodiment of the present invention, wherein the same reference numerals in the drawings represent the same components. Here, the light-consumption guide projection 91 and the guide groove 93 'cause the output port 15a of the first optical cable 15 and the input ports 25a and 35a of the first light buffer 25 and 35 to be aligned with each other. According to this embodiment, a lens assembly 50o for focusing incident light is installed, which corresponds to an end portion 15a of an optical fiber forming the first optical fiber 15, and a beam splitter 155 is installed in front of the lens assembly 150. The lens assembly 155 includes a plurality of microlenses 151 corresponding to the optical fiber 'of the first light 5 and focusing the laser light emitted from the first optical mirror 15 so that it is directed toward the knife beamer 155. The beam splitter 155 splits the incident light and faces the second light

Page 11 --imaai ____-__ V. Description of Invention (9)

Connectors 20 and 30 transmit. The split beam enters the optical fiber D of the second optical cables 25 and 35. Although it is not shown in the figure, those skilled in the art can fully understand that the beam split by the beam splitter 1 5 5 can pass along the path of the beam. f install other beam splitters, and split into multiple beams. Here, the reference number 160 indicates a connection block for a power source. In the light splitting module according to the present invention, the optical connector of the 'supported optical fiber' can be detached from the substrate in a simple manner. Moreover, 'because the structure of the spectroscopic module is relatively simple', the manufacturing cost is also quite low. The light splittable module of the present invention can be applied to a light and light module to consume signals from multiple devices' and transmit the coupled signals to one device. In other words, ‘through the conversion of a light detector and a light signal generator (that is, using a light detector instead of an optical signal generator’ and vice versa) ’, a signal can be transmitted from multiple devices to a device. In addition, by making the optical detector and the optical signal to the coupling portion of the optical connector, an optical split / coupling module can be configured. This module is suitable for connecting to a computer server via a local area network (LAN). Transmission / reception signals between personal computer terminals.

Claims (1)

422331 VI. Patent application scope 1. A light splitting module includes: a substrate; a first optical connector coupled to one side of the substrate for optical proximity; a light detector for receiving a conversion from the first optical cable; The optical signal becomes an electrical signal; a plurality of second optical connectors' which are coupled to the base to support the second optical cable; a branch line of a woman in the base for dividing the electrical signal from the light into a plurality of electrical signals An optical signal generator 'for receiving a separate telecommunication electrical signal into an optical signal to transmit the converted optical signal to a second optical cable of the connector; and a second optical cable for coupling the first and second optical connectors to the substrate, For example, the patent application scope of the spectroscopic module of the first scope includes: 〃 A driver, which is driven by the branched electrical signal to generate 3 optical devices, which is generated according to the drive signal of the driver. The module, one of which is installed in the optical connector, has a latch at the coupling part of the base, so it can be coupled to the hook to support a first optical signal, such as the first item of the scope of patent application, and Side, and corresponding to the output number of the detector, this should be converted to the second optical link mechanism. Optical signals produce signals; and optical signals. Coupling mechanism package hook; and an elastically deformable locking member coupled to the coupling mechanism package by the connector, an optical coupling module, wherein Page 13 One bit in the coupling part of the optical connector and the base-the projecting piece of the item 'The optical connector couples this hooking piece, and one slot in the other of the optical connector and the coupling part corresponds to the above Fishing protrusion D 5 * If the spectroscopic module of item 1 of the scope of patent application, the light-entry mechanism includes:. A lock member having a pair of spaced-apart protruding rods protruding from both sides of the optical connector; and a deformable component installed in the base and capable of being elastically deformed when the optical connector is coupled to the coupling portion , The deformation component is inserted into the gap between the protruding rods. 6_ The light splitting module according to item 1 of the patent application scope, wherein a guide protrusion is provided in one of the optical connector and the substrate, and a guide groove is provided in the other of the optical connector and the substrate, so that When the optical connector is coupled to the substrate, the output port of the first optical cable and the input port of the second optical cable are aligned with corresponding optical detectors and optical signal generators. 7. For the light-splitting module of item 1 of the scope of patent application, wherein the power supply line is installed in the optical connector and the substrate. 8. If the spectroscopic module of item 1 of the patent application scope includes a comparator for correcting the distortion of the electrical signal output from the photodetector between the photodetector and the branch line. 9. A light splitting module comprising: a substrate; Page 14 It is used to support the first and sixth patent applications. The first optical connector optical cable that consumes one side of the substrate; the loose module light; the corresponding optical connector that engages the other side of the substrate and the branch is focused. Light splitting, and allowing as well as the base mechanism. The coupling mechanism includes a beam splitter for directing the beam split by the lens assembly toward the optical fiber of the second optical cable; for turning the first and second optical connectors to 10 as claimed in the patent The light-splitting module of item 9 of the scope is installed in the optical connector and the substrate. 11 The light-splitting module according to item 9 of the scope of patent application, which includes: a hook that is installed in the optical connector and can be elastically deformed; and a hook-locking member at the coupling part of the base, a hook-locker, so that Close the hook. Ninth connection benefits side 12 edge of the patent scope of the 9th scope of the patent, in which the matching mechanism package-located in the optical connector and the base member optical connector is called the fishing protrusion one in the optical connector and the coupling application The above fishing protrusion. The hooking process of one of the coupling sites and the hooking groove of the other site of the coupling site provide guidance to the fruit group, the optical connector in one of the bases according to item 9 of the patent application scope. Million 'and another in the optical connector and the substrate 15th stomach 422931 Page 16