FR1431752A - Telephone communications control device - Google Patents

Telephone communications control device

Info

Publication number
FR1431752A
FR1431752A FR3180A FR3180A FR1431752A FR 1431752 A FR1431752 A FR 1431752A FR 3180 A FR3180 A FR 3180A FR 3180 A FR3180 A FR 3180A FR 1431752 A FR1431752 A FR 1431752A
Authority
FR
France
Prior art keywords
control device
communications control
telephone communications
telephone
control
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
FR3180A
Other languages
French (fr)
Inventor
Alfred Ange Auguste Tomatis
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 filed Critical
Priority to FR3180A priority Critical patent/FR1431752A/en
Application granted granted Critical
Publication of FR1431752A publication Critical patent/FR1431752A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/56—Arrangements for indicating or recording the called number at the calling subscriber's set

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR3180A 1965-01-25 1965-01-25 Telephone communications control device Expired FR1431752A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR3180A FR1431752A (en) 1965-01-25 1965-01-25 Telephone communications control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR3180A FR1431752A (en) 1965-01-25 1965-01-25 Telephone communications control device

Publications (1)

Publication Number Publication Date
FR1431752A true FR1431752A (en) 1966-03-18

Family

ID=8569157

Family Applications (1)

Application Number Title Priority Date Filing Date
FR3180A Expired FR1431752A (en) 1965-01-25 1965-01-25 Telephone communications control device

Country Status (1)

Country Link
FR (1) FR1431752A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013839A (en) * 1974-09-10 1977-03-22 Telstop S.A. System for monitoring dialled telephone numbers
EP0003428A1 (en) * 1978-01-24 1979-08-08 Pendolan Systems Limited Telephone logging apparatus and process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013839A (en) * 1974-09-10 1977-03-22 Telstop S.A. System for monitoring dialled telephone numbers
EP0003428A1 (en) * 1978-01-24 1979-08-08 Pendolan Systems Limited Telephone logging apparatus and process

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