DE69021601T2 - Voll-Duplex-Lichtwellennachrichtensystem. - Google Patents

Voll-Duplex-Lichtwellennachrichtensystem.

Info

Publication number
DE69021601T2
DE69021601T2 DE69021601T DE69021601T DE69021601T2 DE 69021601 T2 DE69021601 T2 DE 69021601T2 DE 69021601 T DE69021601 T DE 69021601T DE 69021601 T DE69021601 T DE 69021601T DE 69021601 T2 DE69021601 T2 DE 69021601T2
Authority
DE
Germany
Prior art keywords
fiber optic
messaging system
full duplex
duplex fiber
full
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
Application number
DE69021601T
Other languages
English (en)
Other versions
DE69021601D1 (de
Inventor
Richard A Linke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AT&T Corp filed Critical AT&T Corp
Application granted granted Critical
Publication of DE69021601D1 publication Critical patent/DE69021601D1/de
Publication of DE69021601T2 publication Critical patent/DE69021601T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE69021601T 1989-02-08 1990-02-02 Voll-Duplex-Lichtwellennachrichtensystem. Expired - Fee Related DE69021601T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/308,175 US4972514A (en) 1989-02-08 1989-02-08 Full duplex lightwave communication system

Publications (2)

Publication Number Publication Date
DE69021601D1 DE69021601D1 (de) 1995-09-21
DE69021601T2 true DE69021601T2 (de) 1996-03-21

Family

ID=23192872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021601T Expired - Fee Related DE69021601T2 (de) 1989-02-08 1990-02-02 Voll-Duplex-Lichtwellennachrichtensystem.

Country Status (9)

Country Link
US (1) US4972514A (de)
EP (1) EP0382417B1 (de)
JP (1) JPH0771040B2 (de)
KR (1) KR920009385B1 (de)
CA (1) CA2006123C (de)
DE (1) DE69021601T2 (de)
DK (1) DK0382417T3 (de)
ES (1) ES2075878T3 (de)
HK (1) HK119496A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
DE3881252D1 (de) * 1987-03-30 1993-07-01 Siemens Ag Integriert-optische anordnung fuer die bidirektionale optische nachrichten- oder signaluebertragung.
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

Also Published As

Publication number Publication date
DK0382417T3 (da) 1995-10-02
DE69021601D1 (de) 1995-09-21
JPH0771040B2 (ja) 1995-07-31
HK119496A (en) 1996-07-12
ES2075878T3 (es) 1995-10-16
KR900013736A (ko) 1990-09-06
EP0382417A2 (de) 1990-08-16
CA2006123C (en) 1993-06-29
KR920009385B1 (ko) 1992-10-15
US4972514A (en) 1990-11-20
EP0382417B1 (de) 1995-08-16
JPH02241132A (ja) 1990-09-25
CA2006123A1 (en) 1990-08-08
EP0382417A3 (de) 1992-01-02

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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