FR924426A - Dispositif d'alarme - Google Patents

Dispositif d'alarme

Info

Publication number
FR924426A
FR924426A FR924426DA FR924426A FR 924426 A FR924426 A FR 924426A FR 924426D A FR924426D A FR 924426DA FR 924426 A FR924426 A FR 924426A
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
Per Harry Elias Claesson
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 FR924426A publication Critical patent/FR924426A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
FR924426D 1946-03-26 1946-03-26 Dispositif d'alarme Expired FR924426A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924426T 1946-03-26

Publications (1)

Publication Number Publication Date
FR924426A true FR924426A (fr) 1947-08-05

Family

ID=9439390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924426D Expired FR924426A (fr) 1946-03-26 1946-03-26 Dispositif d'alarme

Country Status (3)

Country Link
BE (1) BE465713A (fr)
CH (1) CH258736A (fr)
FR (1) FR924426A (fr)

Also Published As

Publication number Publication date
BE465713A (fr)
CH258736A (de) 1948-12-15

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