FR1457338A - Improvements to automatic telephone systems - Google Patents

Improvements to automatic telephone systems

Info

Publication number
FR1457338A
FR1457338A FR21297A FR21297A FR1457338A FR 1457338 A FR1457338 A FR 1457338A FR 21297 A FR21297 A FR 21297A FR 21297 A FR21297 A FR 21297A FR 1457338 A FR1457338 A FR 1457338A
Authority
FR
France
Prior art keywords
telephone systems
automatic telephone
automatic
systems
telephone
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
FR21297A
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.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries 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 GB25080/64A external-priority patent/GB1041757A/en
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Priority to FR21297A priority Critical patent/FR1457338A/en
Application granted granted Critical
Publication of FR1457338A publication Critical patent/FR1457338A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR21297A 1964-06-17 1965-06-17 Improvements to automatic telephone systems Expired FR1457338A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR21297A FR1457338A (en) 1964-06-17 1965-06-17 Improvements to automatic telephone systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB25080/64A GB1041757A (en) 1964-06-17 1964-06-17 Improvements relating to automatic telephone exchange systems
FR21297A FR1457338A (en) 1964-06-17 1965-06-17 Improvements to automatic telephone systems

Publications (1)

Publication Number Publication Date
FR1457338A true FR1457338A (en) 1966-01-24

Family

ID=26164156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR21297A Expired FR1457338A (en) 1964-06-17 1965-06-17 Improvements to automatic telephone systems

Country Status (1)

Country Link
FR (1) FR1457338A (en)

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