DE3171343D1 - Switching device for optical bundles and telephone exchange comprising such a device - Google Patents

Switching device for optical bundles and telephone exchange comprising such a device

Info

Publication number
DE3171343D1
DE3171343D1 DE8181401785T DE3171343T DE3171343D1 DE 3171343 D1 DE3171343 D1 DE 3171343D1 DE 8181401785 T DE8181401785 T DE 8181401785T DE 3171343 T DE3171343 T DE 3171343T DE 3171343 D1 DE3171343 D1 DE 3171343D1
Authority
DE
Germany
Prior art keywords
telephone exchange
optical bundles
switching device
switching
bundles
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
Application number
DE8181401785T
Other languages
English (en)
Inventor
Jean-Pierre Huignard
Pierre Leclerc
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.)
Thales SA
Original Assignee
Thomson CSF SA
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 Thomson CSF SA filed Critical Thomson CSF SA
Application granted granted Critical
Publication of DE3171343D1 publication Critical patent/DE3171343D1/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/526—Optical switching systems
DE8181401785T 1980-12-05 1981-11-10 Switching device for optical bundles and telephone exchange comprising such a device Expired DE3171343D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8025910A FR2495873B1 (fr) 1980-12-05 1980-12-05 Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif

Publications (1)

Publication Number Publication Date
DE3171343D1 true DE3171343D1 (en) 1985-08-14

Family

ID=9248746

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181401785T Expired DE3171343D1 (en) 1980-12-05 1981-11-10 Switching device for optical bundles and telephone exchange comprising such a device

Country Status (6)

Country Link
US (1) US4403352A (de)
EP (1) EP0053957B1 (de)
JP (1) JPS57120920A (de)
CA (1) CA1173144A (de)
DE (1) DE3171343D1 (de)
FR (1) FR2495873B1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518766A1 (fr) * 1981-12-18 1983-06-24 Thomson Csf Dispositif de commutation de faisceaux optiques et central telephonique comprenant un tel dispositif
FR2544151B1 (fr) * 1983-04-06 1985-06-21 Thomson Csf Dispositif de commutation spatiale de faisceaux optiques
US4705344A (en) * 1984-12-19 1987-11-10 American Telephone And Telegraph Company, At&T Bell Laboratories Optical interconnection arrangement
US4764890A (en) * 1984-12-19 1988-08-16 American Telephone And Telegraph Company, At&T Bell Laboratories Optical logic arrangement
US4703993A (en) * 1984-12-19 1987-11-03 American Telephone And Telegraph Company, At&T Bell Laboratories Method and apparatus for making a device for optically interconnecting optical devices
GB2228386B (en) * 1989-02-10 1993-09-29 British Aerospace Optical interconnection system
DE4011718A1 (de) * 1990-04-11 1991-10-17 Heidenhain Gmbh Dr Johannes Integriert-optische sensoreinrichtung
US5090824A (en) * 1990-07-31 1992-02-25 Geo-Centers, Inc. Fast optical switch having reduced light loss
FR2674391B1 (fr) * 1991-03-19 1993-06-04 Thomson Csf Dispositif d'intercorrelation large bande et dispositif mettant en óoeuvre ce procede.
US5298964A (en) * 1992-03-31 1994-03-29 Geo-Center, Inc. Optical stress sensing system with directional measurement capabilities
US5305136A (en) * 1992-03-31 1994-04-19 Geo-Centers, Inc. Optically bidirectional fast optical switch having reduced light loss
FR2696014B1 (fr) * 1992-09-18 1994-11-04 Thomson Csf Miroir à conjugaison de phase.
FR2755516B1 (fr) 1996-11-05 1999-01-22 Thomson Csf Dispositif compact d'illumination
FR2819061B1 (fr) * 2000-12-28 2003-04-11 Thomson Csf Dispositif de controle de polarisation dans une liaison optique
FR2860291B1 (fr) * 2003-09-26 2005-11-18 Thales Sa Dispositif capteur de vitesse de rotation interferometrique a fibre optique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718383A (en) * 1971-04-19 1973-02-27 Eastman Kodak Co Plastic optical element having refractive index gradient
DE2206098C3 (de) * 1972-02-09 1980-03-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Koppelfeld für ein Vermittlungssystem von Nachrichtenkanälen, vorzugsweise im optischen Frequenzbereich
FR2243573A1 (en) * 1973-09-06 1975-04-04 Treheux Michel Broadband electro-optical coupler for telephony - uses point holography by scanning photo-matrix with laser's and LED's
US4074142A (en) * 1975-09-10 1978-02-14 Jackson Albert S Optical cross-point switch
FR2385266A1 (fr) * 1977-03-25 1978-10-20 Thomson Csf Dispositif de commutation electro-optique et autocommutateur telephonique comprenant un tel dispositif

Also Published As

Publication number Publication date
CA1173144A (en) 1984-08-21
EP0053957B1 (de) 1985-07-10
US4403352A (en) 1983-09-06
JPS57120920A (en) 1982-07-28
FR2495873B1 (fr) 1987-01-02
FR2495873A1 (fr) 1982-06-11
EP0053957A1 (de) 1982-06-16

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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