FR755105A - Fire alarm device - Google Patents

Fire alarm device

Info

Publication number
FR755105A
FR755105A FR755105DA FR755105A FR 755105 A FR755105 A FR 755105A FR 755105D A FR755105D A FR 755105DA FR 755105 A FR755105 A FR 755105A
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
Carl Sorensen
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 FR755105A publication Critical patent/FR755105A/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)
FR755105D 1933-05-03 1933-05-03 Fire alarm device Expired FR755105A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR755105T 1933-05-03

Publications (1)

Publication Number Publication Date
FR755105A true FR755105A (en) 1933-11-20

Family

ID=9164838

Family Applications (1)

Application Number Title Priority Date Filing Date
FR755105D Expired FR755105A (en) 1933-05-03 1933-05-03 Fire alarm device

Country Status (1)

Country Link
FR (1) FR755105A (en)

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