FR1518571A - Development of telephone systems - Google Patents

Development of telephone systems

Info

Publication number
FR1518571A
FR1518571A FR966891A FR966891A FR1518571A FR 1518571 A FR1518571 A FR 1518571A FR 966891 A FR966891 A FR 966891A FR 966891 A FR966891 A FR 966891A FR 1518571 A FR1518571 A FR 1518571A
Authority
FR
France
Prior art keywords
development
telephone systems
telephone
systems
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
FR966891A
Other languages
French (fr)
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.)
SHIPTON AUTOMATION Manufacturing Ltd
Original Assignee
SHIPTON AUTOMATION Manufacturing Ltd
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
Priority claimed from GB954063A external-priority patent/GB1083312A/en
Application filed by SHIPTON AUTOMATION Manufacturing Ltd filed Critical SHIPTON AUTOMATION Manufacturing Ltd
Priority to FR966891A priority Critical patent/FR1518571A/en
Application granted granted Critical
Publication of FR1518571A publication Critical patent/FR1518571A/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
    • H04Q3/521—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 using semiconductors in the switching stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q5/00—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange
    • H04Q5/02—Selecting arrangements wherein two or more subscriber stations are connected by the same line to the exchange with direct connection for all subscribers, i.e. party-line systems
    • H04Q5/14—Signalling by pulses
    • H04Q5/16—Signalling by pulses by predetermined number of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR966891A 1963-03-11 1964-03-11 Development of telephone systems Expired FR1518571A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR966891A FR1518571A (en) 1963-03-11 1964-03-11 Development of telephone systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB954063A GB1083312A (en) 1963-03-11 1963-03-11 Improvements in or relating to telephone systems
FR966891A FR1518571A (en) 1963-03-11 1964-03-11 Development of telephone systems

Publications (1)

Publication Number Publication Date
FR1518571A true FR1518571A (en) 1968-03-29

Family

ID=26206368

Family Applications (1)

Application Number Title Priority Date Filing Date
FR966891A Expired FR1518571A (en) 1963-03-11 1964-03-11 Development of telephone systems

Country Status (1)

Country Link
FR (1) FR1518571A (en)

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