FR751959A - Alarm device - Google Patents

Alarm device

Info

Publication number
FR751959A
FR751959A FR751959DA FR751959A FR 751959 A FR751959 A FR 751959A FR 751959D A FR751959D A FR 751959DA FR 751959 A FR751959 A FR 751959A
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
French (fr)
Inventor
Edouard Clavel
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 FR751959A publication Critical patent/FR751959A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR751959D 1933-03-04 1933-03-04 Alarm device Expired FR751959A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR751959T 1933-03-04

Publications (1)

Publication Number Publication Date
FR751959A true FR751959A (en) 1933-09-13

Family

ID=9156875

Family Applications (1)

Application Number Title Priority Date Filing Date
FR751959D Expired FR751959A (en) 1933-03-04 1933-03-04 Alarm device

Country Status (1)

Country Link
FR (1) FR751959A (en)

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