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FR924424A - Thermal trigger for fire alarm and alarm device fitted with such trigger - Google Patents

Thermal trigger for fire alarm and alarm device fitted with such trigger

Info

Publication number
FR924424A
FR924424A FR924424DA FR924424A FR 924424 A FR924424 A FR 924424A FR 924424D A FR924424D A FR 924424DA FR 924424 A FR924424 A FR 924424A
Authority
FR
France
Prior art keywords
trigger
alarm
device fitted
thermal
alarm device
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
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 FR924424A publication Critical patent/FR924424A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
FR924424D 1946-03-26 1946-03-26 Thermal trigger for fire alarm and alarm device fitted with such trigger Expired FR924424A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR924424T 1946-03-26

Publications (1)

Publication Number Publication Date
FR924424A true FR924424A (en) 1947-08-05

Family

ID=9439388

Family Applications (1)

Application Number Title Priority Date Filing Date
FR924424D Expired FR924424A (en) 1946-03-26 1946-03-26 Thermal trigger for fire alarm and alarm device fitted with such trigger

Country Status (2)

Country Link
BE (1) BE463960A (en)
FR (1) FR924424A (en)

Also Published As

Publication number Publication date
BE463960A (en)

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