GB1399664A - Tdm telecommunications exchange systems - Google Patents

Tdm telecommunications exchange systems

Info

Publication number
GB1399664A
GB1399664A GB400873A GB400873A GB1399664A GB 1399664 A GB1399664 A GB 1399664A GB 400873 A GB400873 A GB 400873A GB 400873 A GB400873 A GB 400873A GB 1399664 A GB1399664 A GB 1399664A
Authority
GB
United Kingdom
Prior art keywords
light
detector
bus
light beams
matrixes
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
GB400873A
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.)
Siemens Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1399664A publication Critical patent/GB1399664A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/08—Time-division multiplex systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB400873A 1972-02-04 1973-01-26 Tdm telecommunications exchange systems Expired GB1399664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722205362 DE2205362C2 (de) 1972-02-04 1972-02-04 Elektrooptisches Koppelfeld für einZeitmultiplex-Vermittlungssystem

Publications (1)

Publication Number Publication Date
GB1399664A true GB1399664A (en) 1975-07-02

Family

ID=5835053

Family Applications (1)

Application Number Title Priority Date Filing Date
GB400873A Expired GB1399664A (en) 1972-02-04 1973-01-26 Tdm telecommunications exchange systems

Country Status (5)

Country Link
DE (1) DE2205362C2 (enExample)
FR (1) FR2170190A1 (enExample)
GB (1) GB1399664A (enExample)
IT (1) IT978512B (enExample)
NL (1) NL7301547A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256927A (en) * 1978-04-21 1981-03-17 Treheux Michel Space division switching system for communication networks using optical signal frequencies

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6643425B1 (en) * 2000-08-17 2003-11-04 Calient Networks, Inc. Optical switch having switch mirror arrays controlled by scanning beams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4256927A (en) * 1978-04-21 1981-03-17 Treheux Michel Space division switching system for communication networks using optical signal frequencies

Also Published As

Publication number Publication date
NL7301547A (enExample) 1973-08-07
IT978512B (it) 1974-09-20
FR2170190A1 (enExample) 1973-09-14
DE2205362B1 (de) 1973-07-26
DE2205362C2 (de) 1975-10-09

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Legal Events

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