FR1005375A - Indicateur d'identification téléphonique - Google Patents

Indicateur d'identification téléphonique

Info

Publication number
FR1005375A
FR1005375A FR1005375DA FR1005375A FR 1005375 A FR1005375 A FR 1005375A FR 1005375D A FR1005375D A FR 1005375DA FR 1005375 A FR1005375 A FR 1005375A
Authority
FR
France
Prior art keywords
identification indicator
telephone identification
telephone
indicator
identification
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
English (en)
Inventor
Robert Girard
Robert Launay
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
Application granted granted Critical
Publication of FR1005375A publication Critical patent/FR1005375A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
    • H04M3/64—Arrangements for signalling the number or class of the calling line to the operator

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1005375D 1947-07-10 1947-07-10 Indicateur d'identification téléphonique Expired FR1005375A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1005375T 1947-07-10

Publications (1)

Publication Number Publication Date
FR1005375A true FR1005375A (fr) 1952-04-09

Family

ID=9564720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1005375D Expired FR1005375A (fr) 1947-07-10 1947-07-10 Indicateur d'identification téléphonique

Country Status (1)

Country Link
FR (1) FR1005375A (fr)

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