JPS5981614A - フアイバ光学デ−タ分配器およびそれを用いて光学的信号を分配する方法 - Google Patents
フアイバ光学デ−タ分配器およびそれを用いて光学的信号を分配する方法Info
- Publication number
- JPS5981614A JPS5981614A JP58167393A JP16739383A JPS5981614A JP S5981614 A JPS5981614 A JP S5981614A JP 58167393 A JP58167393 A JP 58167393A JP 16739383 A JP16739383 A JP 16739383A JP S5981614 A JPS5981614 A JP S5981614A
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- optical
- optical signal
- array
- data distributor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000835 fiber Substances 0.000 title claims description 135
- 230000003287 optical effect Effects 0.000 title claims description 53
- 238000009826 distribution Methods 0.000 title claims description 7
- 239000013307 optical fiber Substances 0.000 claims description 77
- 238000000034 method Methods 0.000 claims description 51
- 238000005253 cladding Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000003491 array Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 2
- 238000010079 rubber tapping Methods 0.000 claims description 2
- 239000000382 optic material Substances 0.000 claims 2
- 230000001902 propagating effect Effects 0.000 claims 2
- 230000000644 propagated effect Effects 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 description 39
- 239000010703 silicon Substances 0.000 description 39
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 38
- 238000005530 etching Methods 0.000 description 11
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- 239000010453 quartz Substances 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
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- 230000002093 peripheral effect Effects 0.000 description 5
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- 230000003134 recirculating effect Effects 0.000 description 5
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- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
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- 238000007598 dipping method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 230000015654 memory Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 210000002784 stomach Anatomy 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 241000219146 Gossypium Species 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
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- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000023077 detection of light stimulus Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- DJGAAPFSPWAYTJ-UHFFFAOYSA-M metamizole sodium Chemical compound [Na+].O=C1C(N(CS([O-])(=O)=O)C)=C(C)N(C)N1C1=CC=CC=C1 DJGAAPFSPWAYTJ-UHFFFAOYSA-M 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002889 sympathetic effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Classifications
-
- 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
- G02B6/26—Optical coupling means
- G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2821—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals
- G02B6/2826—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing
- G02B6/283—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using lateral coupling between contiguous fibres to split or combine optical signals using mechanical machining means for shaping of the couplers, e.g. grinding or polishing couplers being tunable or adjustable
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29331—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by evanescent wave coupling
- G02B6/29332—Wavelength selective couplers, i.e. based on evanescent coupling between light guides, e.g. fused fibre couplers with transverse coupling between fibres having different propagation constant wavelength dependency
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US416667 | 1982-09-10 | ||
| US06/416,667 US4511207A (en) | 1981-11-19 | 1982-09-10 | Fiber optic data distributor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5981614A true JPS5981614A (ja) | 1984-05-11 |
Family
ID=23650837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58167393A Pending JPS5981614A (ja) | 1982-09-10 | 1983-09-09 | フアイバ光学デ−タ分配器およびそれを用いて光学的信号を分配する方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4511207A (enExample) |
| EP (1) | EP0103467A3 (enExample) |
| JP (1) | JPS5981614A (enExample) |
| AU (1) | AU568310B2 (enExample) |
| BR (1) | BR8304902A (enExample) |
| CA (1) | CA1199973A (enExample) |
| IL (1) | IL69631A (enExample) |
| NO (1) | NO833233L (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0167606U (enExample) * | 1987-10-22 | 1989-05-01 |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4702550A (en) * | 1982-03-08 | 1987-10-27 | Fuji Electric Company, Ltd. | Optical fiber frequency filter and multiplexer using same |
| US4588255A (en) * | 1982-06-21 | 1986-05-13 | The Board Of Trustees Of The Leland Stanford Junior University | Optical guided wave signal processor for matrix-vector multiplication and filtering |
| US4723827A (en) * | 1982-11-12 | 1988-02-09 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic switch and discretely variable delay line |
| FR2545227B1 (fr) * | 1983-04-29 | 1986-12-12 | Suisse Fond Rech Microtech | Procede pour abraser longitudinalement des fibres optiques et produits obtenus par ce procede |
| US4701010A (en) * | 1984-08-30 | 1987-10-20 | Adc Fiber Optics Corporation | Unitary body optical coupler |
| EP0198030A1 (en) * | 1984-09-28 | 1986-10-22 | AT&T Corp. | Optical waveguide lateral alignment arrangement |
| FR2576424B2 (fr) * | 1985-01-22 | 1987-04-30 | France Etat | Dispositif de couplage a fibres optiques et procede de realisation de ce dispositif |
| US4815804A (en) * | 1985-02-08 | 1989-03-28 | The Board Of Trustees Of The Leland Stanford Junior University | In-line fiber optic memory and method of using same |
| US4768854A (en) * | 1985-07-11 | 1988-09-06 | Raychem Corp. | Optical fiber distribution network including nondestructive taps and method using same |
| US4856864A (en) * | 1985-07-11 | 1989-08-15 | Raychem Corporation | Optical fiber distribution network including non-destructive taps and method of using same |
| NL8502908A (nl) * | 1985-10-24 | 1987-05-18 | Philips Nv | Werkwijze voor het vervaardigen van een groot aantal optische componenten. |
| FR2590015B1 (fr) * | 1985-11-08 | 1988-12-09 | Thomson Csf | Dispositif interferometrique en anneau reciproque a fibre optique monomode |
| GB8706929D0 (en) * | 1987-03-24 | 1987-04-29 | British Telecomm | Optical coupling device |
| US4834483A (en) * | 1987-05-06 | 1989-05-30 | Bell Communications Research, Inc. | Fast optical cross-connect for parallel processing computers |
| US4859018A (en) * | 1987-06-15 | 1989-08-22 | Northern Telecom Limited | Optical fiber bandwidth limiting |
| US4818051A (en) * | 1987-08-10 | 1989-04-04 | Us West Advanced Technologies, Inc. | Optical bus |
| FR2630833B1 (fr) * | 1988-04-27 | 1992-02-28 | Organisation Europ Rech Nucle | Dispositif pour stocker des photons et appareillage de determination de la forme d'une impulsion lumineuse de breve duree en faisant application |
| US4890893A (en) * | 1989-03-02 | 1990-01-02 | Bell Communications Research, Inc. | Dark fiber switched bandwidth filter |
| US4964687A (en) * | 1989-09-29 | 1990-10-23 | The Boeing Company | Optical latch and method of latching data using same |
| US5121240A (en) * | 1990-08-29 | 1992-06-09 | The Trustees Of Columbia University In The City Of New York | Optical packet time compression and expansion |
| US5185833A (en) * | 1991-02-13 | 1993-02-09 | International Business Machines Corporation | Modular active fiber optic coupler system |
| US5131061A (en) * | 1991-02-13 | 1992-07-14 | International Business Machines Corp. | Modular active fiber optic coupler system |
| US5155779A (en) * | 1991-11-05 | 1992-10-13 | At&T Bell Laboratories | Optical circulating shift register |
| DE69311048T2 (de) * | 1992-09-29 | 1997-12-11 | Nippon Telegraph & Telephone | Multi/Demultiplexer mit Gitter aus gruppierten Wellenleitern und zurückgefürten optischen Wegen |
| USRE40150E1 (en) | 1994-04-25 | 2008-03-11 | Matsushita Electric Industrial Co., Ltd. | Fiber optic module |
| US5717533A (en) | 1995-01-13 | 1998-02-10 | Methode Electronics Inc. | Removable optoelectronic module |
| US6220878B1 (en) | 1995-10-04 | 2001-04-24 | Methode Electronics, Inc. | Optoelectronic module with grounding means |
| US5546281A (en) * | 1995-01-13 | 1996-08-13 | Methode Electronics, Inc. | Removable optoelectronic transceiver module with potting box |
| 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 |
| US7090509B1 (en) | 1999-06-11 | 2006-08-15 | Stratos International, Inc. | Multi-port pluggable transceiver (MPPT) with multiple LC duplex optical receptacles |
| US6220873B1 (en) * | 1999-08-10 | 2001-04-24 | Stratos Lightwave, Inc. | Modified contact traces for interface converter |
| DE10111439A1 (de) * | 2001-03-09 | 2002-09-26 | Infineon Technologies Ag | Signalverzögerungsschaltung |
| US6640028B1 (en) | 2001-11-30 | 2003-10-28 | General Dynamics Advanced Technology Systems, Inc. | Bend-type fiber optic light injector |
| US6665469B1 (en) | 2002-01-02 | 2003-12-16 | General Dynamics Advanced Information Systems, Inc. | Light injector/extractor for multiple optical fibers |
| US6819831B1 (en) | 2002-03-04 | 2004-11-16 | Kenneth R. Schroll | Adjustable, reconfigurable, multi-port optical fiber coupler |
| US6968103B1 (en) * | 2002-10-10 | 2005-11-22 | General Dynamics Advanced Information Systems, Inc. | Optical fiber coupler and method for making same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5290282A (en) * | 1976-01-23 | 1977-07-29 | Anritsu Electric Co Ltd | Annular light communication device |
| JPS56154709A (en) * | 1980-04-11 | 1981-11-30 | Univ Leland Stanford Junior | Fiber optical directional coupler |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3777149A (en) * | 1972-07-17 | 1973-12-04 | Bell Telephone Labor Inc | Signal detection and delay equalization in optical fiber transmission systems |
| JPS579041B2 (enExample) * | 1974-11-29 | 1982-02-19 | ||
| JPS5936725B2 (ja) * | 1975-08-20 | 1984-09-05 | 株式会社日立製作所 | 光分岐用ファイバ−の製造方法 |
| US4021097A (en) * | 1976-03-08 | 1977-05-03 | Sperry Rand Corporation | Distributive tee coupler |
| JPS5926006B2 (ja) * | 1977-01-22 | 1984-06-23 | 日本電信電話株式会社 | 光結合器の製造方法 |
| US4234969A (en) * | 1978-09-05 | 1980-11-18 | Ncr Corporation | Bidirectional optical coupler for a data processing system |
| US4342499A (en) * | 1979-03-19 | 1982-08-03 | Hicks Jr John W | Communications tuning construction |
| US4315666A (en) * | 1979-03-19 | 1982-02-16 | Hicks Jr John W | Coupled communications fibers |
| JPS5611432A (en) * | 1979-07-09 | 1981-02-04 | Matsushita Electric Ind Co Ltd | Light delay device |
| DE2930454A1 (de) * | 1979-07-24 | 1981-02-12 | Hertz Inst Heinrich | Verfahren zur herstellung von lichtleiter-richtkopplern |
| US4296319A (en) * | 1979-12-07 | 1981-10-20 | The United States Of America As Represented By The United States Department Of Energy | Waveform synthesizer |
| US4386822A (en) * | 1980-10-10 | 1983-06-07 | The Leland Stanford Junior University | Polarizer and method |
| US4558920A (en) * | 1981-11-19 | 1985-12-17 | Board Of Trustees Of The Leland Stanford Junior University | Tapped optical fiber delay line |
-
1982
- 1982-09-10 US US06/416,667 patent/US4511207A/en not_active Expired - Lifetime
-
1983
- 1983-09-02 IL IL69631A patent/IL69631A/xx not_active IP Right Cessation
- 1983-09-08 AU AU18937/83A patent/AU568310B2/en not_active Ceased
- 1983-09-08 EP EP83305245A patent/EP0103467A3/en not_active Withdrawn
- 1983-09-09 BR BR8304902A patent/BR8304902A/pt unknown
- 1983-09-09 JP JP58167393A patent/JPS5981614A/ja active Pending
- 1983-09-09 NO NO833233A patent/NO833233L/no unknown
- 1983-09-09 CA CA000436404A patent/CA1199973A/en not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5290282A (en) * | 1976-01-23 | 1977-07-29 | Anritsu Electric Co Ltd | Annular light communication device |
| JPS56154709A (en) * | 1980-04-11 | 1981-11-30 | Univ Leland Stanford Junior | Fiber optical directional coupler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0167606U (enExample) * | 1987-10-22 | 1989-05-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1199973A (en) | 1986-01-28 |
| US4511207A (en) | 1985-04-16 |
| US4511207B1 (enExample) | 1990-06-12 |
| EP0103467A3 (en) | 1986-08-13 |
| IL69631A0 (en) | 1983-12-30 |
| AU1893783A (en) | 1984-03-15 |
| IL69631A (en) | 1986-10-31 |
| BR8304902A (pt) | 1984-04-24 |
| AU568310B2 (en) | 1987-12-24 |
| EP0103467A2 (en) | 1984-03-21 |
| NO833233L (no) | 1984-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS5981614A (ja) | フアイバ光学デ−タ分配器およびそれを用いて光学的信号を分配する方法 | |
| EP0081296B1 (en) | Tapped optical fiber delay line | |
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