DE69129590T2 - Optisches kommunikationssystem - Google Patents
Optisches kommunikationssystemInfo
- Publication number
- DE69129590T2 DE69129590T2 DE69129590T DE69129590T DE69129590T2 DE 69129590 T2 DE69129590 T2 DE 69129590T2 DE 69129590 T DE69129590 T DE 69129590T DE 69129590 T DE69129590 T DE 69129590T DE 69129590 T2 DE69129590 T2 DE 69129590T2
- Authority
- DE
- Germany
- Prior art keywords
- communication system
- optical communication
- optical
- communication
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
-
- 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
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
-
- 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
- H04B10/40—Transceivers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Optical Communication System (AREA)
- Lasers (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909026898A GB9026898D0 (en) | 1990-12-11 | 1990-12-11 | Optical communications system |
PCT/GB1991/002197 WO1992010887A1 (en) | 1990-12-11 | 1991-12-11 | Optical communications system |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69129590D1 DE69129590D1 (de) | 1998-07-16 |
DE69129590T2 true DE69129590T2 (de) | 1998-12-10 |
Family
ID=10686835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69129590T Expired - Fee Related DE69129590T2 (de) | 1990-12-11 | 1991-12-11 | Optisches kommunikationssystem |
Country Status (12)
Country | Link |
---|---|
US (1) | US5594578A (de) |
EP (1) | EP0561918B1 (de) |
JP (1) | JPH06504656A (de) |
KR (1) | KR100224940B1 (de) |
AU (1) | AU655218B2 (de) |
CA (1) | CA2098094C (de) |
DE (1) | DE69129590T2 (de) |
ES (1) | ES2117970T3 (de) |
GB (1) | GB9026898D0 (de) |
HK (1) | HK1012170A1 (de) |
IE (1) | IE80823B1 (de) |
WO (1) | WO1992010887A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE518622C2 (sv) * | 1992-07-03 | 2002-10-29 | Ericsson Telefon Ab L M | Förfarande och anordning för övervakning av förgrenade optiska ledningsnät |
JP3119751B2 (ja) * | 1992-12-02 | 2000-12-25 | 住友電気工業株式会社 | 光フィルタ |
DE29508660U1 (de) * | 1995-05-24 | 1996-09-19 | Bosch Gmbh Robert | Optische Sende- und Empfangsanordnung |
US5673342A (en) * | 1996-05-28 | 1997-09-30 | Lucent Technologies Inc. | Communication system comprising a low cost optical filter |
NL1004667C2 (nl) * | 1996-12-02 | 1998-06-03 | Nederland Ptt | Optische systemen met een of meer gestabiliseerde lasersignaalbronnen. |
US5864424A (en) * | 1997-05-19 | 1999-01-26 | Hitachi, Ltd. | Optical signal amplifying circuit |
US6144472A (en) * | 1998-01-20 | 2000-11-07 | Lucent Technologies Inc. | Upgrading a power-splitting passive optical network using optical filtering |
US6151144A (en) * | 1998-01-20 | 2000-11-21 | Lucent Technologies, Inc. | Wavelength division multiplexing for unbundling downstream fiber-to-the-home |
US6236787B1 (en) | 1998-07-08 | 2001-05-22 | Optical Switch Corporation | Method and apparatus for aligning optical fibers using an alignment spacer |
US6253007B1 (en) | 1998-07-08 | 2001-06-26 | Optical Switch Corporation | Method and apparatus for connecting optical fibers |
US6137930A (en) * | 1998-07-08 | 2000-10-24 | Optical Switch Corporation | Method and apparatus for aligning optical fibers |
US6236778B1 (en) | 1998-12-16 | 2001-05-22 | Optical Switch Corporation | Frustrated total internal reflection bus and method of operation |
US6243511B1 (en) | 1999-02-04 | 2001-06-05 | Optical Switch Corporation | System and method for determining the condition of an optical signal |
US6574406B2 (en) * | 2001-09-11 | 2003-06-03 | Corning Incorporated | Selectively absorbing optical fibers for optical amplifiers |
FI20031429A0 (fi) | 2003-10-02 | 2003-10-02 | Nokia Corp | Varma upstream -tiedonsiirto passiivisessa optisissa verkoissa |
US20070280690A1 (en) * | 2006-06-02 | 2007-12-06 | Fujitsu Limited | System and Method for Managing Power in an Optical Network |
US8126334B2 (en) * | 2007-11-29 | 2012-02-28 | Oplink Communications, Inc. a Delaware corporation | Method for detecting a signal on a passive optical network |
US8014426B2 (en) * | 2009-01-23 | 2011-09-06 | Raytheon Company | Optical device and method of controlling a refractive index profile in the optical device |
KR101285766B1 (ko) * | 2012-05-18 | 2013-07-19 | 에스케이텔레콤 주식회사 | 양방향 광 송수신 모듈 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4342499A (en) * | 1979-03-19 | 1982-08-03 | Hicks Jr John W | Communications tuning construction |
US4460241A (en) * | 1981-04-24 | 1984-07-17 | At&T Bell Laboratories | Telecommunication system with fiberguide signal filtering |
GB8713081D0 (en) * | 1987-06-04 | 1987-07-08 | Pirelli General Plc | Optical fibre attenuators |
DE3829118A1 (de) * | 1988-08-27 | 1990-03-01 | Standard Elektrik Lorenz Ag | Faseroptisches bandfilter |
US4963832A (en) * | 1989-08-08 | 1990-10-16 | At&T Bell Laboratories | Erbium-doped fiber amplifier coupling device |
US5245467A (en) * | 1989-10-30 | 1993-09-14 | Pirelli Cavi S.P.A. | Amplifier with a samarium-erbium doped active fiber |
US5216728A (en) * | 1991-06-14 | 1993-06-01 | Corning Incorporated | Optical fiber amplifier with filter |
US5131069A (en) * | 1991-08-12 | 1992-07-14 | Corning Incorporated | Fiber amplifier having modified gain spectrum |
US5321774A (en) * | 1993-07-30 | 1994-06-14 | National Research Council Of Canada | Polarization independent transmissive/reflective optical switch |
US5363234A (en) * | 1993-10-14 | 1994-11-08 | Corning Incorporated | Amplifier having pump fiber filter |
-
1990
- 1990-12-11 GB GB909026898A patent/GB9026898D0/en active Pending
-
1991
- 1991-12-11 EP EP92900857A patent/EP0561918B1/de not_active Expired - Lifetime
- 1991-12-11 KR KR1019930701752A patent/KR100224940B1/ko not_active IP Right Cessation
- 1991-12-11 IE IE430691A patent/IE80823B1/en not_active IP Right Cessation
- 1991-12-11 ES ES92900857T patent/ES2117970T3/es not_active Expired - Lifetime
- 1991-12-11 JP JP4502127A patent/JPH06504656A/ja active Pending
- 1991-12-11 CA CA002098094A patent/CA2098094C/en not_active Expired - Fee Related
- 1991-12-11 US US08/075,459 patent/US5594578A/en not_active Expired - Lifetime
- 1991-12-11 WO PCT/GB1991/002197 patent/WO1992010887A1/en active IP Right Grant
- 1991-12-11 DE DE69129590T patent/DE69129590T2/de not_active Expired - Fee Related
- 1991-12-11 AU AU90877/91A patent/AU655218B2/en not_active Ceased
-
1998
- 1998-12-10 HK HK98113141A patent/HK1012170A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU655218B2 (en) | 1994-12-08 |
GB9026898D0 (en) | 1991-01-30 |
IE80823B1 (en) | 1999-03-10 |
DE69129590D1 (de) | 1998-07-16 |
KR930703755A (ko) | 1993-11-30 |
IE914306A1 (en) | 1992-06-17 |
EP0561918B1 (de) | 1998-06-10 |
CA2098094A1 (en) | 1992-06-11 |
JPH06504656A (ja) | 1994-05-26 |
WO1992010887A1 (en) | 1992-06-25 |
KR100224940B1 (ko) | 1999-10-15 |
CA2098094C (en) | 1998-07-28 |
HK1012170A1 (en) | 1999-07-23 |
EP0561918A1 (de) | 1993-09-29 |
US5594578A (en) | 1997-01-14 |
ES2117970T3 (es) | 1998-09-01 |
AU9087791A (en) | 1992-07-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |