GB1379648A - Switching apparatus - Google Patents

Switching apparatus

Info

Publication number
GB1379648A
GB1379648A GB3407072A GB3407072A GB1379648A GB 1379648 A GB1379648 A GB 1379648A GB 3407072 A GB3407072 A GB 3407072A GB 3407072 A GB3407072 A GB 3407072A GB 1379648 A GB1379648 A GB 1379648A
Authority
GB
United Kingdom
Prior art keywords
subscriber
detector
intensity proportional
information
july
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
GB3407072A
Other languages
English (en)
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Publication of GB1379648A publication Critical patent/GB1379648A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Communication System (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB3407072A 1971-07-21 1972-07-20 Switching apparatus Expired GB1379648A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7126755A FR2146635A5 (enExample) 1971-07-21 1971-07-21

Publications (1)

Publication Number Publication Date
GB1379648A true GB1379648A (en) 1975-01-08

Family

ID=9080701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3407072A Expired GB1379648A (en) 1971-07-21 1972-07-20 Switching apparatus

Country Status (7)

Country Link
BE (1) BE786436A (enExample)
DE (1) DE2235926A1 (enExample)
FR (1) FR2146635A5 (enExample)
GB (1) GB1379648A (enExample)
IT (1) IT964734B (enExample)
LU (1) LU65757A1 (enExample)
NL (1) NL7210016A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386772A3 (en) * 1989-03-09 1991-06-12 Canon Kabushiki Kaisha Optical switch array capable of bidirectional signal transfer between plurality of terminals
GB2261131A (en) * 1991-10-19 1993-05-05 Northern Telecom Ltd Transmission arbitration in SLM crossbar switch

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2295666A1 (fr) * 1974-12-20 1976-07-16 Comp Generale Electricite Central de commutation telephonique
US3985975A (en) * 1975-03-04 1976-10-12 International Telephone And Telegraph Corporation Holographic telephone switching system
FR2445678A1 (fr) * 1978-12-29 1980-07-25 Rozenwaig Boris Dispositif opto-electronique de commutation spatiale de signaux de telecommunications et autocommutateur comportant ce dispositif
DE3410629A1 (de) * 1984-03-22 1985-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren und anordnung zum uebertragen von digitalen daten zwischen datenquellen und datensenken
JPH0778590B2 (ja) * 1987-08-19 1995-08-23 キヤノン株式会社 光スイッチアレ−

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0386772A3 (en) * 1989-03-09 1991-06-12 Canon Kabushiki Kaisha Optical switch array capable of bidirectional signal transfer between plurality of terminals
US5227906A (en) * 1989-03-09 1993-07-13 Canon Kabushiki Kaisha Optical switch array capable of bidirectional signal transfer between a plurality of terminals
GB2261131A (en) * 1991-10-19 1993-05-05 Northern Telecom Ltd Transmission arbitration in SLM crossbar switch
GB2261131B (en) * 1991-10-19 1995-03-01 Northern Telecom Ltd Transmission arbitration in SLM crossbar switch

Also Published As

Publication number Publication date
DE2235926A1 (de) 1973-02-01
NL7210016A (enExample) 1973-01-23
FR2146635A5 (enExample) 1973-03-02
IT964734B (it) 1974-01-31
LU65757A1 (enExample) 1973-01-26
BE786436A (fr) 1973-01-19

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee