CA2006123A1 - Systeme de communication duplex a ondes lumineuses - Google Patents
Systeme de communication duplex a ondes lumineusesInfo
- Publication number
- CA2006123A1 CA2006123A1 CA2006123A CA2006123A CA2006123A1 CA 2006123 A1 CA2006123 A1 CA 2006123A1 CA 2006123 A CA2006123 A CA 2006123A CA 2006123 A CA2006123 A CA 2006123A CA 2006123 A1 CA2006123 A1 CA 2006123A1
- Authority
- CA
- Canada
- Prior art keywords
- communication system
- full duplex
- lightwave
- lightwave communication
- laser
- 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.)
- Granted
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
- H04B10/40—Transceivers
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US308,175 | 1989-02-08 | ||
US07/308,175 US4972514A (en) | 1989-02-08 | 1989-02-08 | Full duplex lightwave communication system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2006123A1 true CA2006123A1 (fr) | 1990-08-08 |
CA2006123C CA2006123C (fr) | 1993-06-29 |
Family
ID=23192872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002006123A Expired - Fee Related CA2006123C (fr) | 1989-02-08 | 1989-12-20 | Systeme de communication duplex a ondes lumineuses |
Country Status (9)
Country | Link |
---|---|
US (1) | US4972514A (fr) |
EP (1) | EP0382417B1 (fr) |
JP (1) | JPH0771040B2 (fr) |
KR (1) | KR920009385B1 (fr) |
CA (1) | CA2006123C (fr) |
DE (1) | DE69021601T2 (fr) |
DK (1) | DK0382417T3 (fr) |
ES (1) | ES2075878T3 (fr) |
HK (1) | HK119496A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5020153A (en) * | 1989-02-08 | 1991-05-28 | At&T Bell Laboratories | Tunable narrowband receiver utilizing distributed Bragg reflector laser structure |
FR2662883B1 (fr) * | 1990-06-05 | 1992-08-21 | France Etat | Systeme de transmission bidirectionnelle a composants lasers identiques. |
FR2686753B1 (fr) * | 1992-01-24 | 1994-04-08 | France Telecom | Photorecepteur pour signaux optiques modules en frequence, emetteur-recepteur et liaison optique correspondants. |
FR2688963B1 (fr) * | 1992-03-20 | 1994-05-13 | France Telecom | Emetteur-recepteur a detection coherente. |
FR2690295B1 (fr) * | 1992-04-21 | 1994-06-03 | France Telecom | Systeme de transmission optique interactif. |
FR2695215B1 (fr) * | 1992-09-01 | 1994-10-14 | Thomson Hybrides | Tête optique d'émission-réception pour transmission de données par système optique, et circuit de commutation pour cette tête. |
JPH08163052A (ja) * | 1994-12-06 | 1996-06-21 | Nec Corp | 光送受信回路 |
US7336062B2 (en) * | 2004-11-08 | 2008-02-26 | Lucent Technologies Inc. | Optically measuring electric field intensities |
JP2010136244A (ja) * | 2008-12-08 | 2010-06-17 | Toshiba Corp | 送信回路およびコンプリメンタリー光配線システム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57185740A (en) * | 1981-05-11 | 1982-11-16 | Matsushita Electric Ind Co Ltd | Optical transmission system |
JPS59149437A (ja) * | 1983-02-16 | 1984-08-27 | Yamaichi Electric Mfg Co Ltd | 双方向光通信における送受信中継回路 |
JPS6189735A (ja) * | 1984-10-08 | 1986-05-07 | Nippon Telegr & Teleph Corp <Ntt> | 光通信方式の時分割方向制御伝送方式 |
EP0284910B1 (fr) * | 1987-03-30 | 1993-05-26 | Siemens Aktiengesellschaft | Dispositif optique intégré pour transmission bidirectionnelle de signaux de communications optiques |
DE3713340A1 (de) * | 1987-04-21 | 1988-11-10 | Deutsche Bundespost | Verfahren zur optischen nachrichtenuebertragung |
US4824201A (en) * | 1987-07-13 | 1989-04-25 | Bell Communications Research, Inc. | Simultaneous transmission of LED and laser signals over single mode fiber |
-
1989
- 1989-02-08 US US07/308,175 patent/US4972514A/en not_active Expired - Lifetime
- 1989-12-20 CA CA002006123A patent/CA2006123C/fr not_active Expired - Fee Related
-
1990
- 1990-01-30 JP JP2018805A patent/JPH0771040B2/ja not_active Expired - Fee Related
- 1990-02-02 EP EP90301094A patent/EP0382417B1/fr not_active Expired - Lifetime
- 1990-02-02 DK DK90301094.0T patent/DK0382417T3/da active
- 1990-02-02 DE DE69021601T patent/DE69021601T2/de not_active Expired - Fee Related
- 1990-02-02 ES ES90301094T patent/ES2075878T3/es not_active Expired - Lifetime
- 1990-02-05 KR KR1019900001322A patent/KR920009385B1/ko not_active IP Right Cessation
-
1996
- 1996-07-04 HK HK119496A patent/HK119496A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0382417A2 (fr) | 1990-08-16 |
DK0382417T3 (da) | 1995-10-02 |
ES2075878T3 (es) | 1995-10-16 |
EP0382417A3 (fr) | 1992-01-02 |
DE69021601T2 (de) | 1996-03-21 |
US4972514A (en) | 1990-11-20 |
JPH0771040B2 (ja) | 1995-07-31 |
DE69021601D1 (de) | 1995-09-21 |
KR920009385B1 (ko) | 1992-10-15 |
HK119496A (en) | 1996-07-12 |
JPH02241132A (ja) | 1990-09-25 |
KR900013736A (ko) | 1990-09-06 |
CA2006123C (fr) | 1993-06-29 |
EP0382417B1 (fr) | 1995-08-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |