FR924952A - Improvements to automatic telephone systems - Google Patents

Improvements to automatic telephone systems

Info

Publication number
FR924952A
FR924952A FR924952DA FR924952A FR 924952 A FR924952 A FR 924952A FR 924952D A FR924952D A FR 924952DA FR 924952 A FR924952 A FR 924952A
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
Other languages
French (fr)
Inventor
Gerald Deakin
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR924952A publication Critical patent/FR924952A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR924952D 1946-01-17 1946-01-17 Improvements to automatic telephone systems Expired FR924952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924952T 1946-01-17

Publications (1)

Publication Number Publication Date
FR924952A true FR924952A (en) 1947-08-21

Family

ID=9439749

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924952D Expired FR924952A (en) 1946-01-17 1946-01-17 Improvements to automatic telephone systems

Country Status (1)

Country Link
FR (1) FR924952A (en)

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