FR624076A - Improvements to automatic or semi-automatic telephone central office systems - Google Patents

Improvements to automatic or semi-automatic telephone central office systems

Info

Publication number
FR624076A
FR624076A FR624076DA FR624076A FR 624076 A FR624076 A FR 624076A FR 624076D A FR624076D A FR 624076DA FR 624076 A FR624076 A FR 624076A
Authority
FR
France
Prior art keywords
automatic
semi
central office
telephone central
office 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
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR624076A publication Critical patent/FR624076A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
FR624076D 1926-01-07 1926-11-04 Improvements to automatic or semi-automatic telephone central office systems Expired FR624076A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB55726A GB269236A (en) 1926-01-07 1926-01-07 Improvements in automatic and semi-automatic telephone systems

Publications (1)

Publication Number Publication Date
FR624076A true FR624076A (en) 1927-07-07

Family

ID=9706460

Family Applications (1)

Application Number Title Priority Date Filing Date
FR624076D Expired FR624076A (en) 1926-01-07 1926-11-04 Improvements to automatic or semi-automatic telephone central office systems

Country Status (2)

Country Link
FR (1) FR624076A (en)
GB (1) GB269236A (en)

Also Published As

Publication number Publication date
GB269236A (en) 1927-04-07

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