FR765806A - Dispositif d'alarme - Google Patents

Dispositif d'alarme

Info

Publication number
FR765806A
FR765806A FR765806DA FR765806A FR 765806 A FR765806 A FR 765806A FR 765806D A FR765806D A FR 765806DA FR 765806 A FR765806 A FR 765806A
Authority
FR
France
Prior art keywords
alarm device
alarm
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
Herr
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 FR765806A publication Critical patent/FR765806A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/04—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems
    • H04M11/045—Telephonic communication systems specially adapted for combination with other electrical systems with alarm systems, e.g. fire, police or burglar alarm systems using recorded signals, e.g. speech

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR765806D 1932-12-20 1933-12-19 Dispositif d'alarme Expired FR765806A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT765806X 1932-12-20

Publications (1)

Publication Number Publication Date
FR765806A true FR765806A (fr) 1934-06-16

Family

ID=3680610

Family Applications (1)

Application Number Title Priority Date Filing Date
FR765806D Expired FR765806A (fr) 1932-12-20 1933-12-19 Dispositif d'alarme

Country Status (1)

Country Link
FR (1) FR765806A (fr)

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