GB2012044B - Optical switching devices and telecommunications exchanges including such devices - Google Patents

Optical switching devices and telecommunications exchanges including such devices

Info

Publication number
GB2012044B
GB2012044B GB7847400A GB7847400A GB2012044B GB 2012044 B GB2012044 B GB 2012044B GB 7847400 A GB7847400 A GB 7847400A GB 7847400 A GB7847400 A GB 7847400A GB 2012044 B GB2012044 B GB 2012044B
Authority
GB
United Kingdom
Prior art keywords
devices
optical switching
exchanges including
telecommunications exchanges
switching devices
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
GB7847400A
Other languages
English (en)
Other versions
GB2012044A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB2012044A publication Critical patent/GB2012044A/en
Application granted granted Critical
Publication of GB2012044B publication Critical patent/GB2012044B/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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Optical Communication System (AREA)
GB7847400A 1977-12-06 1978-12-06 Optical switching devices and telecommunications exchanges including such devices Expired GB2012044B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7736721A FR2411531A1 (fr) 1977-12-06 1977-12-06 Dispositif de commutation de signaux optiques, notamment de telecommunications, et autocommutateur comportant ce dispositif

Publications (2)

Publication Number Publication Date
GB2012044A GB2012044A (en) 1979-07-18
GB2012044B true GB2012044B (en) 1982-07-07

Family

ID=9198518

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7847400A Expired GB2012044B (en) 1977-12-06 1978-12-06 Optical switching devices and telecommunications exchanges including such devices

Country Status (4)

Country Link
JP (1) JPS54109707A (enrdf_load_stackoverflow)
DE (1) DE2851981A1 (enrdf_load_stackoverflow)
FR (1) FR2411531A1 (enrdf_load_stackoverflow)
GB (1) GB2012044B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55501163A (enrdf_load_stackoverflow) * 1978-11-08 1980-12-18
FR2458195B1 (fr) * 1979-05-30 1986-02-28 Materiel Telephonique Commutateur optique a tres grand nombre de voies
GB2139034B (en) * 1980-02-04 1985-05-22 Herzl Laor Communications exchange
CA1192646A (en) * 1980-02-04 1985-08-27 Herzl Laor Piezoelectric apparatus for positioning optical fibers
FR2526255A1 (fr) * 1982-04-30 1983-11-04 Rozenwaig Boris Commutateurs opto-electroniques a organes selecteurs multicanaux pour systemes de telecommunications a large bande et organes opto-electroniques selecteurs pour lesdits commutateurs
GB2196503A (en) * 1986-10-15 1988-04-27 Plessey Co Plc An arrangement for linking multistage switching matrices

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2206098C3 (de) * 1972-02-09 1980-03-13 Philips Patentverwaltung Gmbh, 2000 Hamburg Koppelfeld für ein Vermittlungssystem von Nachrichtenkanälen, vorzugsweise im optischen Frequenzbereich

Also Published As

Publication number Publication date
DE2851981A1 (de) 1979-06-07
JPS54109707A (en) 1979-08-28
DE2851981C2 (enrdf_load_stackoverflow) 1988-01-14
FR2411531A1 (fr) 1979-07-06
FR2411531B1 (enrdf_load_stackoverflow) 1982-01-15
GB2012044A (en) 1979-07-18

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Legal Events

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