FR924357A - Dispositif d'alarme - Google Patents

Dispositif d'alarme

Info

Publication number
FR924357A
FR924357A FR924357DA FR924357A FR 924357 A FR924357 A FR 924357A FR 924357D A FR924357D A FR 924357DA FR 924357 A FR924357 A FR 924357A
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
Raymond Virmoux
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 FR924357A publication Critical patent/FR924357A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR924357D 1946-03-22 1946-03-22 Dispositif d'alarme Expired FR924357A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924357T 1946-03-22

Publications (1)

Publication Number Publication Date
FR924357A true FR924357A (fr) 1947-08-04

Family

ID=9439360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924357D Expired FR924357A (fr) 1946-03-22 1946-03-22 Dispositif d'alarme

Country Status (1)

Country Link
FR (1) FR924357A (fr)

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