ES490062A0 - IMPROVEMENTS IN TELEPHONE INSTALLATIONS AND INSTALLATIONS OF AUTOMATIC PRIVATE EXCHANGE - Google Patents

IMPROVEMENTS IN TELEPHONE INSTALLATIONS AND INSTALLATIONS OF AUTOMATIC PRIVATE EXCHANGE

Info

Publication number
ES490062A0
ES490062A0 ES490062A ES490062A ES490062A0 ES 490062 A0 ES490062 A0 ES 490062A0 ES 490062 A ES490062 A ES 490062A ES 490062 A ES490062 A ES 490062A ES 490062 A0 ES490062 A0 ES 490062A0
Authority
ES
Spain
Prior art keywords
installations
private exchange
telephone
automatic private
automatic
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.)
Granted
Application number
ES490062A
Other languages
Spanish (es)
Other versions
ES8200981A1 (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 AG
Siemens Corp
Original Assignee
Siemens AG
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 AG, Siemens Corp filed Critical Siemens AG
Publication of ES8200981A1 publication Critical patent/ES8200981A1/en
Publication of ES490062A0 publication Critical patent/ES490062A0/en
Granted 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
    • H04Q3/54—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 program

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Telephonic Communication Services (AREA)
  • Selective Calling Equipment (AREA)
ES490062A 1979-03-30 1980-03-28 IMPROVEMENTS IN TELEPHONE INSTALLATIONS AND INSTALLATIONS OF AUTOMATIC PRIVATE EXCHANGE Granted ES490062A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2912744A DE2912744C2 (en) 1979-03-30 1979-03-30 Method for telephone and private branch exchange systems with cyclical scanning of connecting lines with the aid of a centrally arranged memory

Publications (2)

Publication Number Publication Date
ES8200981A1 ES8200981A1 (en) 1981-11-16
ES490062A0 true ES490062A0 (en) 1981-11-16

Family

ID=6066943

Family Applications (1)

Application Number Title Priority Date Filing Date
ES490062A Granted ES490062A0 (en) 1979-03-30 1980-03-28 IMPROVEMENTS IN TELEPHONE INSTALLATIONS AND INSTALLATIONS OF AUTOMATIC PRIVATE EXCHANGE

Country Status (7)

Country Link
BE (1) BE882515A (en)
CH (1) CH653194A5 (en)
DE (1) DE2912744C2 (en)
ES (1) ES490062A0 (en)
IL (1) IL59732A (en)
IT (1) IT1130096B (en)
NL (1) NL8001857A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH649882A5 (en) * 1980-05-14 1985-06-14 Siemens Ag Albis METHOD FOR THE EXCHANGE OF SIGNALING INFORMATION IN DIALING BETWEEN A TELECOMMUNICATION, IN PARTICULAR TELEPHONE EXTENSION PLANT AND THE PUBLIC TELEPHONE NETWORK.
DE3407281A1 (en) * 1984-02-28 1985-09-12 Siemens AG, 1000 Berlin und 8000 München Method for a telecommunications system, in particular a telephone PBX system, with operational signalling for a data memory
CA1233924A (en) * 1985-06-12 1988-03-08 John A. Barsellotti Telephone line status circuit

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2723667C3 (en) * 1977-05-25 1982-01-14 Siemens AG, 1000 Berlin und 8000 München Method for processing waiting functional sequences in a centrally controlled telephone exchange, in particular telephone branch exchange

Also Published As

Publication number Publication date
IT1130096B (en) 1986-06-11
DE2912744A1 (en) 1980-10-09
ES8200981A1 (en) 1981-11-16
DE2912744C2 (en) 1985-01-24
IT8021020A0 (en) 1980-03-28
BE882515A (en) 1980-07-16
NL8001857A (en) 1980-10-02
CH653194A5 (en) 1985-12-13
IL59732A (en) 1983-06-15

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