DE3782278D1 - Optisches kommunikationssystem. - Google Patents

Optisches kommunikationssystem.

Info

Publication number: DE3782278D1
Authority: DE; Germany
Prior art keywords: communication system; optical communication; optical; communication
Prior art date: 1986-06-13
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

DE8787107845T

Other languages

English (en)

Other versions

DE3782278T2 (de

Inventor

Donald H Mcmahon

Johnson, Jr

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.)

Polaroid Corp

Original Assignee

Polaroid 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.)

1986-06-13

Filing date

1987-05-29

Publication date

1992-11-26

1987-05-29 Application filed by Polaroid Corp filed Critical Polaroid Corp

1992-11-26 Publication of DE3782278D1 publication Critical patent/DE3782278D1/de

1993-03-11 Application granted granted Critical

1993-03-11 Publication of DE3782278T2 publication Critical patent/DE3782278T2/de

2007-05-30 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000003287 optical effect Effects 0.000 title 1

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- 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
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/506—Multiwavelength transmitters
- 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
- H04B10/50—Transmitters
- H04B10/572—Wavelength control
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Optical Communication System (AREA)
Semiconductor Lasers (AREA)

DE8787107845T 1986-06-13 1987-05-29 Optisches kommunikationssystem. Expired - Fee Related DE3782278T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/874,118 US4715028A (en)	1986-06-13	1986-06-13	Optical communication system

Publications (2)

Publication Number	Publication Date
DE3782278D1 true DE3782278D1 (de)	1992-11-26
DE3782278T2 DE3782278T2 (de)	1993-03-11

Family

ID=25363014

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
DE198787107845T Pending DE249112T1 (de)	1986-06-13	1987-05-29	Optisches kommunikationssystem.
DE8787107845T Expired - Fee Related DE3782278T2 (de)	1986-06-13	1987-05-29	Optisches kommunikationssystem.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
DE198787107845T Pending DE249112T1 (de)	1986-06-13	1987-05-29	Optisches kommunikationssystem.

Country Status (5)

Country	Link
US (1)	US4715028A (de)
EP (1)	EP0249112B1 (de)
JP (1)	JPH0810847B2 (de)
CA (1)	CA1258692A (de)
DE (2)	DE249112T1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8511688D0 (en) *	1985-05-09	1985-06-19	British Telecomm	Frequency locking electromagnetic signals
GB8709072D0 (en) *	1987-04-15	1987-05-20	British Telecomm	Transmission system
KR910006307B1 (ko) *	1987-09-26	1991-08-19	미쓰비시덴기 가부시기가이샤	레이저 파장의 안정화 방법 및 파장 안정화 장치
US4922480A (en) *	1987-12-02	1990-05-01	American Telephone And Telegraph Company	Technique for improving the percentage of semiconductor lasers usable with a predetermined wavelength specification
JPH07114409B2 (ja) *	1988-06-29	1995-12-06	松下電器産業株式会社	ループ状データ伝送装置
JPH0357343A (ja) *	1989-07-26	1991-03-12	Oki Electric Ind Co Ltd	光交換機
CA2284243C (en) *	1991-01-10	2000-12-12	Fujitsu Limited	Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device
US5657144A (en) *	1991-01-10	1997-08-12	Fujitsu Limited	Optical processing device operating in a wavelength-synchronized mode and an optical circuit exchanger that uses such an optical processing device
FR2672171B1 (fr) *	1991-01-24	1993-04-09	Alcatel Nv	Procede et reseau de communication a allocation de frequences.
US5239400A (en) *	1991-07-10	1993-08-24	The Arizona Board Of Regents	Technique for accurate carrier frequency generation in of DM system
FR2681996B1 (fr) *	1991-09-26	1993-11-12	Alcatel Nv	Procede de reperage de frequence optique et reseau de communication a canaux frequentiels appliquant ce procede.
JP3204463B2 (ja) *	1992-06-06	2001-09-04	キヤノン株式会社	波長多重光通信ネットワーク
US5440415A (en) *	1993-08-04	1995-08-08	At&T Corp.	Optical successive modulation-muliplexing for fiber optical network
SE9500208L (sv)	1995-01-23	1996-03-04	Telia Ab	Förfarande och anordning för att distribuera och mottaga våglängdsreferens i optiskt multikanalnät
US7977622B2 (en) *	2009-02-09	2011-07-12	Hewlett-Packard Development Company, L.P.	Tuning an optical resonator using a feedback signal representing an average DC balanced coding

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4616898A (en) *	1980-03-31	1986-10-14	Polaroid Corporation	Optical communication systems using raman repeaters and components therefor
GB2142796B (en) *	1983-07-01	1986-07-16	Standard Telephones Cables Ltd	Optical fdm system
US4592043A (en) *	1983-07-08	1986-05-27	At&T Bell Laboratories	Wavelength division multiplexing optical communications systems
DE3484345D1 (de) *	1983-07-08	1991-05-02	American Telephone & Telegraph	Optische uebertragungssysteme mit multiplexierung durch wellenlaengenabspaltung.

1986
- 1986-06-13 US US06/874,118 patent/US4715028A/en not_active Expired - Lifetime
1987
- 1987-05-29 DE DE198787107845T patent/DE249112T1/de active Pending
- 1987-05-29 EP EP87107845A patent/EP0249112B1/de not_active Expired - Lifetime
- 1987-05-29 DE DE8787107845T patent/DE3782278T2/de not_active Expired - Fee Related
- 1987-06-05 CA CA000538940A patent/CA1258692A/en not_active Expired
- 1987-06-12 JP JP62146829A patent/JPH0810847B2/ja not_active Expired - Fee Related

Also Published As

Publication number	Publication date
JPS6345928A (ja)	1988-02-26
EP0249112A2 (de)	1987-12-16
DE3782278T2 (de)	1993-03-11
CA1258692A (en)	1989-08-22
JPH0810847B2 (ja)	1996-01-31
EP0249112A3 (en)	1989-08-09
EP0249112B1 (de)	1992-10-21
US4715028A (en)	1987-12-22
DE249112T1 (de)	1988-04-07

Legal Events

Date	Code	Title	Description
1993-11-18	8364	No opposition during term of opposition
1999-07-08	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE3787787D1 (de)	1993-11-18	Kommunikationssystem.
DE68914287D1 (de)	1994-05-05	Kommunikationssystem.
DE3783393D1 (de)	1993-02-18	Optisches plattentellersystem.
DE68922751D1 (de)	1995-06-29	Optisches Kommunikationssystem mehrerer Kanäle.
DE69010011D1 (de)	1994-07-21	Kommunikationssystem.
DE3784963D1 (de)	1993-04-29	Optisches projektionssystem.
DE3674362D1 (de)	1990-10-25	Optisches uebertragungssystem.
DE3785781D1 (de)	1993-06-17	Zusammengesetztes qam-psk-uebertragungssystem.
DE3885389D1 (de)	1993-12-09	Optischer Zwischenverstärker.
FI875790A (fi)	1988-07-01	Skyddade optiska blekmedel.
DE3781791D1 (de)	1992-10-22	Ausser-axiales optisches kommunikationssystem.
DE3786222D1 (de)	1993-07-22	Fernsprechsystem.
DE3784134D1 (de)	1993-03-25	Kompaktes optisches abtastsystem.
DE3873190D1 (de)	1992-09-03	Kommunikationssystem.
DE3583878D1 (de)	1991-10-02	Kommunikationssystem.
DE3774159D1 (de)	1991-12-05	Licht-abtastsystem.
DE68915768D1 (de)	1994-07-07	Kommunikationssystem.
FI875517A0 (fi)	1987-12-16	Optiska blekningsmedel innehaollande pappersbestrykningsmassor.
DE3782278D1 (de)	1992-11-26	Optisches kommunikationssystem.
DE3750768D1 (de)	1995-01-05	Rechnergesteuertes Kommunikationssystem.
DE3768032D1 (de)	1991-03-28	Kommunikationssystem.
DE3785616D1 (de)	1993-06-03	Asphaerische einzellinse.
DE68921259D1 (de)	1995-03-30	Kommunikationssystem.
DE3785938D1 (de)	1993-07-01	Optisches system.
DE3881724D1 (de)	1993-07-22	Kommunikationssystem.