FR550788A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR550788A
FR550788A FR550788DA FR550788A FR 550788 A FR550788 A FR 550788A FR 550788D A FR550788D A FR 550788DA FR 550788 A FR550788 A FR 550788A
Authority
FR
France
Prior art keywords
alarm device
fire alarm
fire
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
French (fr)
Inventor
Louis Dabos
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 FR550788A publication Critical patent/FR550788A/en
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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR550788D 1922-04-29 1922-04-29 Fire alarm device Expired FR550788A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR550788T 1922-04-29

Publications (1)

Publication Number Publication Date
FR550788A true FR550788A (en) 1923-03-20

Family

ID=8936431

Family Applications (1)

Application Number Title Priority Date Filing Date
FR550788D Expired FR550788A (en) 1922-04-29 1922-04-29 Fire alarm device

Country Status (1)

Country Link
FR (1) FR550788A (en)

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