FR911312A - Switching device for automatic telephony - Google Patents

Switching device for automatic telephony

Info

Publication number
FR911312A
FR911312A FR911312DA FR911312A FR 911312 A FR911312 A FR 911312A FR 911312D A FR911312D A FR 911312DA FR 911312 A FR911312 A FR 911312A
Authority
FR
France
Prior art keywords
switching device
automatic telephony
telephony
automatic
switching
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
Georges Frey
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 FR911312A publication Critical patent/FR911312A/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
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR911312D 1945-01-12 1945-01-12 Switching device for automatic telephony Expired FR911312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR911312T 1945-01-12

Publications (1)

Publication Number Publication Date
FR911312A true FR911312A (en) 1946-07-04

Family

ID=9418256

Family Applications (1)

Application Number Title Priority Date Filing Date
FR911312D Expired FR911312A (en) 1945-01-12 1945-01-12 Switching device for automatic telephony

Country Status (1)

Country Link
FR (1) FR911312A (en)

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