FR727542A - Control system for automatic telephone call dial - Google Patents

Control system for automatic telephone call dial

Info

Publication number
FR727542A
FR727542A FR727542DA FR727542A FR 727542 A FR727542 A FR 727542A FR 727542D A FR727542D A FR 727542DA FR 727542 A FR727542 A FR 727542A
Authority
FR
France
Prior art keywords
control system
telephone call
automatic telephone
call dial
dial
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
Louis-Lucien-Eugene Chauveau
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 FR727542A publication Critical patent/FR727542A/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/272—Devices whereby a plurality of signals may be stored simultaneously with provision for storing only one subscriber number at a time, e.g. by keyboard or dial

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR727542D 1931-11-19 1931-11-19 Control system for automatic telephone call dial Expired FR727542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR727542T 1931-11-19

Publications (1)

Publication Number Publication Date
FR727542A true FR727542A (en) 1932-06-20

Family

ID=9111331

Family Applications (1)

Application Number Title Priority Date Filing Date
FR727542D Expired FR727542A (en) 1931-11-19 1931-11-19 Control system for automatic telephone call dial

Country Status (1)

Country Link
FR (1) FR727542A (en)

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