ATE25555T1 - Passiver lichtleitermultiplexer. - Google Patents
Passiver lichtleitermultiplexer.Info
- Publication number
- ATE25555T1 ATE25555T1 AT82305851T AT82305851T ATE25555T1 AT E25555 T1 ATE25555 T1 AT E25555T1 AT 82305851 T AT82305851 T AT 82305851T AT 82305851 T AT82305851 T AT 82305851T AT E25555 T1 ATE25555 T1 AT E25555T1
- Authority
- AT
- Austria
- Prior art keywords
- fibers
- fiber
- pair
- evanescent field
- coupling
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title abstract 9
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 230000008878 coupling Effects 0.000 abstract 3
- 230000001419 dependent effect Effects 0.000 abstract 2
- 238000005253 cladding Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 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
-
- 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
- G02B6/26—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
- G02B6/293—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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/2938—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 characterised by the function or use of the complete device for multiplexing or demultiplexing, i.e. combining or separating wavelengths, e.g. 1xN, NxM
-
- 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
- G02B6/29379—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 characterised by the function or use of the complete device
- G02B6/29395—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 characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Communication System (AREA)
- Control Of Combustion (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Burglar Alarm Systems (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/319,301 US4556279A (en) | 1981-11-09 | 1981-11-09 | Passive fiber optic multiplexer |
| EP82305851A EP0079196B1 (de) | 1981-11-09 | 1982-11-04 | Passiver Lichtleitermultiplexer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE25555T1 true ATE25555T1 (de) | 1987-03-15 |
Family
ID=23241684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT82305851T ATE25555T1 (de) | 1981-11-09 | 1982-11-04 | Passiver lichtleitermultiplexer. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4556279A (de) |
| EP (1) | EP0079196B1 (de) |
| JP (1) | JPS5888719A (de) |
| KR (1) | KR900002513B1 (de) |
| AT (1) | ATE25555T1 (de) |
| AU (1) | AU564991B2 (de) |
| BR (1) | BR8206459A (de) |
| CA (1) | CA1197931A (de) |
| DE (1) | DE3275488D1 (de) |
| IL (1) | IL67162A (de) |
| NO (1) | NO823710L (de) |
Families Citing this family (90)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR8208104A (pt) * | 1982-11-12 | 1984-10-02 | Univ Leland Stanford Junior | Comutador otico de fibra e linha de retardo discretamente variavel |
| US4652079A (en) * | 1983-08-26 | 1987-03-24 | The Board Of Trustees Of The Leland Stanford Junior University | High speed pulse train generator |
| US4674830A (en) * | 1983-11-25 | 1987-06-23 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic amplifier |
| US4938556A (en) * | 1983-11-25 | 1990-07-03 | The Board Of Trustees Of The Leland Stanford Junior University | Superfluorescent broadband fiber laser source |
| GB2150703B (en) * | 1983-11-30 | 1987-03-11 | Standard Telephones Cables Ltd | Single mode fibre directional coupler |
| GB2152694B (en) * | 1984-01-05 | 1987-06-24 | Standard Telephones Cables Ltd | Wavelength selective optical waveguide coupler |
| AU592066B2 (en) * | 1985-01-31 | 1990-01-04 | Ab Electronic Products Group Plc | Coupler for optical fibres |
| US4708421A (en) * | 1985-02-08 | 1987-11-24 | The Board Of Trustees Of The Leland Stanford Junior University | In-line fiber optic memory |
| US4794598A (en) * | 1986-07-18 | 1988-12-27 | The Board Of Trustees Of The Leland Stanford Junior University | Synchronously pumped ring fiber Raman laser |
| US4738503A (en) * | 1985-02-08 | 1988-04-19 | The Board Of Trustees Of The Leland Stanford Junion University | In-line fiber optic memory |
| 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 |
| GB2170920B (en) * | 1985-02-12 | 1988-09-07 | Stc Plc | Beam splitter/combers |
| US4673270A (en) * | 1985-06-28 | 1987-06-16 | Amp Incorporated | Channel add/drop filter-coupler |
| US4681397A (en) * | 1985-06-28 | 1987-07-21 | Amp Incorporated | Optical switching arrangement |
| US4761832A (en) * | 1985-06-28 | 1988-08-02 | Amp Incorporated | Fiber optic switching network |
| US4717230A (en) * | 1985-06-28 | 1988-01-05 | Amp Incorporated | Optical eraser and node switch for an optical network |
| US4768854A (en) * | 1985-07-11 | 1988-09-06 | Raychem Corp. | Optical fiber distribution network including nondestructive taps and method using same |
| GB8519183D0 (en) * | 1985-07-30 | 1985-09-04 | British Telecomm | Optical fused couplers |
| US4834481A (en) * | 1985-11-12 | 1989-05-30 | Gould Inc. | In-line single-mode fiber optic multiplexer/demultiplexer |
| US4738511A (en) * | 1986-01-07 | 1988-04-19 | Litton Systems, Inc. | Molecular bonded fiber optic couplers and method of fabrication |
| US4810052A (en) * | 1986-01-07 | 1989-03-07 | Litton Systems, Inc | Fiber optic bidirectional data bus tap |
| US4828350A (en) * | 1986-01-17 | 1989-05-09 | The Board Of Trustees Of The Leland Stanford Junior University | Fiber optic mode selector |
| JPS63175812A (ja) * | 1987-01-17 | 1988-07-20 | Nippon Telegr & Teleph Corp <Ntt> | 光フアイバカツプラ作製方法 |
| US4915468A (en) * | 1987-02-20 | 1990-04-10 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatus using two-mode optical waveguide with non-circular core |
| JPH07122683B2 (ja) * | 1987-02-21 | 1995-12-25 | 日本電信電話株式会社 | 光ファイバスターカップラの製造方法 |
| US4844573A (en) * | 1987-05-22 | 1989-07-04 | Aster Corporation | Electro-optical converter including ridgid support for optical fiber coupler, telephone set using the coupler and method of making same |
| US4842368A (en) * | 1987-08-17 | 1989-06-27 | American Telephone And Telegraph Company | N×N single-mode optical waveguide coupler |
| US4964131A (en) * | 1988-12-16 | 1990-10-16 | The Board Of Trustees Of The Leland Standford Junior University | Broadband optical fiber laser |
| US4911526A (en) * | 1988-10-07 | 1990-03-27 | Eastman Kodak Company | Fiber optic array |
| US4923275A (en) * | 1988-10-07 | 1990-05-08 | Eastman Kodak Company | Fiber optic array |
| US4880494A (en) * | 1988-10-07 | 1989-11-14 | Eastman Kodak Company | Method of making a fiber optic array |
| US4875969A (en) * | 1988-10-07 | 1989-10-24 | Eastman Kodak Company | Method of making a fiber optic array |
| US4976512A (en) * | 1989-04-05 | 1990-12-11 | Safaai Jazi Ahmad | Narrowband fiberoptic spectral filter formed from fibers having a refractive index with a W profile and a step profile |
| US5108183A (en) * | 1989-08-31 | 1992-04-28 | The Board Of Trustees Of The Leland Stanford Junior University | Interferometer utilizing superfluorescent optical source |
| JPH03118506A (ja) * | 1989-10-02 | 1991-05-21 | Nikko Kapura:Kk | 光カプラとその製造方法 |
| IT1236632B (it) * | 1989-10-24 | 1993-03-25 | Pirelli Cavi Spa | Amplificatore per linee di telecomunicazioni a fibre ottiche e linee di telecomunicazioni a fibre ottiche incorporanti detto amplificatore |
| JPH03220507A (ja) * | 1990-01-26 | 1991-09-27 | Seiko Giken:Kk | 多分割光分岐合流器 |
| JPH03220509A (ja) * | 1990-01-26 | 1991-09-27 | Seiko Giken:Kk | 多分割光分岐合流器 |
| JP2854941B2 (ja) * | 1990-01-26 | 1999-02-10 | 住友電装株式会社 | 光分岐結合器の製造方法 |
| JPH0795130B2 (ja) * | 1990-01-26 | 1995-10-11 | 株式会社精工技研 | 可変型光分岐合流器 |
| IT1237980B (it) * | 1990-02-12 | 1993-06-19 | Pirelli Cavi Spa | Amplificatore ottico a fibra attiva monomodale incurvata |
| CA2022367C (en) * | 1990-07-31 | 2002-12-17 | Kenneth O. Hill | Simplified wdm fused fiber coupler design |
| US5155621A (en) * | 1990-07-31 | 1992-10-13 | Fujitsu Limited | Optical fiber amplifier |
| US5106193A (en) * | 1990-08-09 | 1992-04-21 | The Board Of Trustees Of The Leland Stanford Junior University | Optical waveguide amplifier source gyroscope |
| JPH04145403A (ja) * | 1990-10-05 | 1992-05-19 | Seiko Giken:Kk | 多芯リボンテープ光ファイバ用分岐合流器およびその製造方法 |
| US5166994A (en) * | 1991-03-05 | 1992-11-24 | Aster Corporation | Low cost one by eight singlemode optical fiber coupler |
| JPH0743455B2 (ja) * | 1991-09-24 | 1995-05-15 | 株式会社精工技研 | リボン光ファイバ・コネクタ |
| DE4228995C1 (en) * | 1992-08-31 | 1993-07-22 | Siemens Ag, 8000 Muenchen, De | Optical fibre coupling module - holds fibres in holders which have cutters to remove cladding when holders pushed together |
| JP3286972B2 (ja) * | 1992-12-25 | 2002-05-27 | キヤノン株式会社 | 波長分波装置及びそれを用いた波長多重通信システム |
| USRE40150E1 (en) | 1994-04-25 | 2008-03-11 | Matsushita Electric Industrial Co., Ltd. | Fiber optic module |
| US5636300A (en) * | 1994-12-12 | 1997-06-03 | Corning Incorporated | MxO multiplex demultiplex component |
| US5717533A (en) | 1995-01-13 | 1998-02-10 | Methode Electronics Inc. | Removable optoelectronic module |
| US5546281A (en) * | 1995-01-13 | 1996-08-13 | Methode Electronics, Inc. | Removable optoelectronic transceiver module with potting box |
| US6220878B1 (en) | 1995-10-04 | 2001-04-24 | Methode Electronics, Inc. | Optoelectronic module with grounding means |
| JP3175559B2 (ja) * | 1995-07-03 | 2001-06-11 | 住友電装株式会社 | 光分岐結合器の製造方法 |
| US5808764A (en) * | 1995-12-28 | 1998-09-15 | Lucent Technologies, Inc. | Multiple star, passive optical network based on remote interrogation of terminal equipment |
| RU2120186C1 (ru) * | 1996-02-01 | 1998-10-10 | Российский Федеральный Ядерный Центр - Всероссийский Научно-Исследовательский Институт Экспериментальной Физики | Способ отвода световой энергии из оптического волокна |
| US6026205A (en) * | 1997-01-21 | 2000-02-15 | Molecular Optoelectronics Corporation | Compound optical waveguide and filter applications thereof |
| DE69733279T2 (de) * | 1997-02-06 | 2006-01-19 | Optrand, Inc., Plymouth | Kraftstoffeinspritzeinheiten mit integrierten faseroptischen drucksensoren und zugeordnete kompensations-und uberwachungsvorrichtungen |
| US7576909B2 (en) | 1998-07-16 | 2009-08-18 | Imra America, Inc. | Multimode amplifier for amplifying single mode light |
| US7656578B2 (en) | 1997-03-21 | 2010-02-02 | Imra America, Inc. | Microchip-Yb fiber hybrid optical amplifier for micro-machining and marking |
| US5949930A (en) * | 1997-07-23 | 1999-09-07 | Litton Systems, Inc. | Apparatus and method for scale factor stabilization in interferometric fiber optic rotation sensors |
| US6733166B2 (en) | 1997-12-09 | 2004-05-11 | Federal -Mogul World Wide, Inc. | Illuminated interior article system utilizing a Y-branch waveguide |
| 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 |
| US6516114B2 (en) | 2000-06-27 | 2003-02-04 | Oluma, Inc. | Integration of fibers on substrates fabricated with grooves |
| US6597833B1 (en) | 2000-06-27 | 2003-07-22 | Oluma, Inc. | Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent coupling |
| US6625349B2 (en) | 2000-06-27 | 2003-09-23 | Oluma, Inc. | Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiber |
| US6501875B2 (en) | 2000-06-27 | 2002-12-31 | Oluma, Inc. | Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling ports |
| US6621951B1 (en) | 2000-06-27 | 2003-09-16 | Oluma, Inc. | Thin film structures in devices with a fiber on a substrate |
| US6490391B1 (en) | 2000-07-12 | 2002-12-03 | Oluma, Inc. | Devices based on fibers engaged to substrates with grooves |
| US6571035B1 (en) | 2000-08-10 | 2003-05-27 | Oluma, Inc. | Fiber optical switches based on optical evanescent coupling between two fibers |
| US6621952B1 (en) | 2000-08-10 | 2003-09-16 | Oluma, Inc. | In-fiber variable optical attenuators and modulators using index-changing liquid media |
| US6542663B1 (en) | 2000-09-07 | 2003-04-01 | Oluma, Inc. | Coupling control in side-polished fiber devices |
| US6516131B1 (en) | 2001-04-04 | 2003-02-04 | Barclay J. Tullis | Structures and methods for aligning fibers |
| US6965721B1 (en) * | 2001-04-18 | 2005-11-15 | Tullis Barclay J | Integrated manufacture of side-polished fiber optics |
| US6719608B1 (en) | 2001-04-19 | 2004-04-13 | Oluma, Inc. | Fabrication of devices with fibers engaged to grooves on substrates |
| US6744948B1 (en) | 2001-06-20 | 2004-06-01 | Oluma, Inc. | Fiber tap monitor based on evanescent coupling |
| GB2380257B (en) * | 2001-09-28 | 2005-03-23 | Protodel Internat Ltd | Monitor for an optical fibre |
| JP2003156644A (ja) * | 2001-11-21 | 2003-05-30 | Seiko Epson Corp | 方向性結合器および光通信用装置 |
| US7609918B2 (en) * | 2002-05-28 | 2009-10-27 | Optun (Bvi) Ltd. | Method and apparatus for optical mode division multiplexing and demultiplexing |
| US7269190B2 (en) * | 2002-10-02 | 2007-09-11 | The Board Of Trustees Of The Leland Stanford Junior University | Er-doped superfluorescent fiber source with enhanced mean wavelength stability |
| JP4058355B2 (ja) * | 2003-01-21 | 2008-03-05 | 株式会社フジクラ | 光ファイバカプラ |
| CN100378478C (zh) * | 2006-04-28 | 2008-04-02 | 中国科学技术大学 | 多模光纤抛磨选模器 |
| JP2012507741A (ja) * | 2008-10-31 | 2012-03-29 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー. | 光ビーム結合器及び光ビームスプリッター |
| JP6059560B2 (ja) * | 2013-03-04 | 2017-01-11 | 日本電信電話株式会社 | マルチモード伝送用光増幅器 |
| CN113805280A (zh) * | 2021-10-05 | 2021-12-17 | 桂林电子科技大学 | 一种稳定且易制备的同轴双波导光纤侧向耦合器 |
| CN114074284A (zh) * | 2021-10-05 | 2022-02-22 | 桂林电子科技大学 | 一种可实现高精度批量侧抛光纤的装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1094639A (en) * | 1966-05-31 | 1967-12-13 | Standard Telephones Cables Ltd | A thin film surface wave mode dielectric waveguide |
| US3957341A (en) * | 1974-09-03 | 1976-05-18 | The United States Of America As Represented By The Secretary Of The Navy | Passive frequency-selective optical coupler |
| JPS54101334A (en) * | 1978-01-27 | 1979-08-09 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber coupling element and production of the same |
| US4300811A (en) * | 1978-08-28 | 1981-11-17 | Rca Corporation | III-V Direct-bandgap semiconductor optical filter |
| JPS5576308A (en) * | 1978-12-05 | 1980-06-09 | Nippon Telegr & Teleph Corp <Ntt> | Optical period waveform branching filter |
| US4315666A (en) * | 1979-03-19 | 1982-02-16 | Hicks Jr John W | Coupled communications fibers |
| US4342499A (en) * | 1979-03-19 | 1982-08-03 | Hicks Jr John W | Communications tuning construction |
| DE2916234A1 (de) * | 1979-04-21 | 1980-10-30 | Philips Patentverwaltung | Kopplungsvorrichtung zum ein- bzw. auskoppeln von optischen signalen in eine bzw. aus einer uebertragungsglasfaser |
| US4243297A (en) * | 1979-06-27 | 1981-01-06 | International Communications And Energy, Inc. | Optical wavelength division multiplexer mixer-splitter |
| US4307933A (en) * | 1980-02-20 | 1981-12-29 | General Dynamics, Pomona Division | Optical fiber launch coupler |
| US4301543A (en) * | 1980-02-20 | 1981-11-17 | General Dynamics Corporation, Pomona Division | Fiber optic transceiver and full duplex point-to-point data link |
| JPS56128904A (en) * | 1980-03-14 | 1981-10-08 | Nippon Telegr & Teleph Corp <Ntt> | Optical branching filter |
| US4493528A (en) * | 1980-04-11 | 1985-01-15 | Board Of Trustees Of The Leland Stanford Junior University | Fiber optic directional coupler |
| US4335933A (en) * | 1980-06-16 | 1982-06-22 | General Dynamics, Pomona Division | Fiber optic wavelength demultiplexer |
| US4343532A (en) * | 1980-06-16 | 1982-08-10 | General Dynamics, Pomona Division | Dual directional wavelength demultiplexer |
-
1981
- 1981-11-09 US US06/319,301 patent/US4556279A/en not_active Expired - Lifetime
-
1982
- 1982-11-02 IL IL67162A patent/IL67162A/xx not_active IP Right Cessation
- 1982-11-04 EP EP82305851A patent/EP0079196B1/de not_active Expired
- 1982-11-04 AT AT82305851T patent/ATE25555T1/de not_active IP Right Cessation
- 1982-11-04 DE DE8282305851T patent/DE3275488D1/de not_active Expired
- 1982-11-08 CA CA000415105A patent/CA1197931A/en not_active Expired
- 1982-11-08 JP JP57197416A patent/JPS5888719A/ja active Granted
- 1982-11-08 AU AU90233/82A patent/AU564991B2/en not_active Expired - Fee Related
- 1982-11-08 BR BR8206459A patent/BR8206459A/pt unknown
- 1982-11-08 NO NO823710A patent/NO823710L/no unknown
- 1982-11-09 KR KR8205069A patent/KR900002513B1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR900002513B1 (ko) | 1990-04-16 |
| JPH0519131B2 (de) | 1993-03-15 |
| AU9023382A (en) | 1983-05-19 |
| KR840002526A (ko) | 1984-07-02 |
| BR8206459A (pt) | 1983-09-27 |
| DE3275488D1 (en) | 1987-04-02 |
| EP0079196B1 (de) | 1987-02-25 |
| CA1197931A (en) | 1985-12-10 |
| IL67162A0 (en) | 1983-03-31 |
| JPS5888719A (ja) | 1983-05-26 |
| EP0079196A1 (de) | 1983-05-18 |
| US4556279A (en) | 1985-12-03 |
| NO823710L (no) | 1983-05-10 |
| IL67162A (en) | 1985-09-29 |
| AU564991B2 (en) | 1987-09-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |