IT7820572A0 - Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici. - Google Patents

Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici, che presentano punti di accoppiamento elettronici.

Info

Publication number
IT7820572A0
IT7820572A0 IT7820572A IT2057278A IT7820572A0 IT 7820572 A0 IT7820572 A0 IT 7820572A0 IT 7820572 A IT7820572 A IT 7820572A IT 2057278 A IT2057278 A IT 2057278A IT 7820572 A0 IT7820572 A0 IT 7820572A0
Authority
IT
Italy
Prior art keywords
coupling
insert
extend
electronically controlled
matrixes
Prior art date
Application number
IT7820572A
Other languages
English (en)
Other versions
IT1092824B (it
Original Assignee
Siemens Ag
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 Ag filed Critical Siemens Ag
Publication of IT7820572A0 publication Critical patent/IT7820572A0/it
Application granted granted Critical
Publication of IT1092824B publication Critical patent/IT1092824B/it

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
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme
    • H04Q3/54541—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme using multi-processor systems
    • H04Q3/5455—Multi-processor, parallelism, distributed systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
IT20572/78A 1977-03-01 1978-02-24 Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici,che presentano punti di accoppiamento elettronici IT1092824B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/773,314 US4105875A (en) 1977-03-01 1977-03-01 Electronic telephone switching system comprising a speech-path switching matrix and tone-connecting matrix and employing electronic crosspoint switching devices

Publications (2)

Publication Number Publication Date
IT7820572A0 true IT7820572A0 (it) 1978-02-24
IT1092824B IT1092824B (it) 1985-07-12

Family

ID=25097849

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20572/78A IT1092824B (it) 1977-03-01 1978-02-24 Impianto telefonico a comando elettronico con matrici di accoppiamento per prolungare i canali telefonici e per inserire i segnali fonici,che presentano punti di accoppiamento elettronici

Country Status (4)

Country Link
US (1) US4105875A (it)
CA (1) CA1097783A (it)
DE (1) DE2743621C2 (it)
IT (1) IT1092824B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266101A (en) * 1979-07-18 1981-05-05 Siemens Corporation Control circuit for a telephone system for the control of visual and audible signals
DE3014572C2 (de) * 1980-04-16 1982-12-09 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zum Senden von Niederfrequenzsignalen auf Verbindungsleitungen in Fernsprechvermittlungsanlagen
DE3235483C2 (de) * 1982-09-24 1985-02-14 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine Fernsprechanlage, insbesondere Fernsprechnebenstellenanlage, mit Sprech- und Signalwegedurchschaltung über seriell geschaltete Koppler für die Anschaltung von Konferenzsätzen
DE3235485C2 (de) * 1982-09-24 1985-06-05 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung für eine Fernsprechanlage, insbesondere Fernsprechnebenstellenanlage, mit Sprech- und Signalwegedurchschaltung über seriell geschaltete Koppler mit Anschaltemöglichkeit für eine Personensucheinrichtung
US4719413A (en) * 1986-10-30 1988-01-12 Rca Corporation RF crosspoint tester
US5386454A (en) * 1993-08-18 1995-01-31 Remote Switch Systems, Inc. Remotely controlled multiple pair telephone pedestal/building terminal

Also Published As

Publication number Publication date
DE2743621C2 (de) 1982-06-09
US4105875A (en) 1978-08-08
IT1092824B (it) 1985-07-12
DE2743621A1 (de) 1978-09-07
CA1097783A (en) 1981-03-17

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