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FR719750A - Call device for automatic telephone - Google Patents

Call device for automatic telephone

Info

Publication number
FR719750A
FR719750A FR719750DA FR719750A FR 719750 A FR719750 A FR 719750A FR 719750D A FR719750D A FR 719750DA FR 719750 A FR719750 A FR 719750A
Authority
FR
France
Prior art keywords
call device
automatic telephone
telephone
automatic
call
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
Jacques Servanton
Jean-Marie Consael
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 FR719750A publication Critical patent/FR719750A/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
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)
  • Transmission Devices (AREA)
FR719750D 1930-10-02 1930-10-02 Call device for automatic telephone Expired FR719750A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR576539X 1930-10-02

Publications (1)

Publication Number Publication Date
FR719750A true FR719750A (en) 1932-02-09

Family

ID=8954139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR719750D Expired FR719750A (en) 1930-10-02 1930-10-02 Call device for automatic telephone

Country Status (3)

Country Link
US (1) US1913905A (en)
DE (1) DE576539C (en)
FR (1) FR719750A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH291938A (en) * 1950-08-24 1953-07-15 Ag Autelca Device for the delivery of current pulse combinations.
US2660720A (en) * 1950-09-22 1953-11-24 Richard C Dehmel Simulated radio signal apparatus
US3095481A (en) * 1958-06-10 1963-06-25 Ries Hermann Dialing arrangement for telephone apparatus

Also Published As

Publication number Publication date
DE576539C (en) 1933-05-13
US1913905A (en) 1933-06-13

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