FR30533E - Electric alarm circuit for protection against theft, fire, etc. - Google Patents

Electric alarm circuit for protection against theft, fire, etc.

Info

Publication number
FR30533E
FR30533E FR30533DA FR30533E FR 30533 E FR30533 E FR 30533E FR 30533D A FR30533D A FR 30533DA FR 30533 E FR30533 E FR 30533E
Authority
FR
France
Prior art keywords
fire
protection against
alarm circuit
against theft
electric 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
Pierre-Lucien-Emile Prins
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 FR30533E publication Critical patent/FR30533E/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR30533D 1924-04-24 1924-05-21 Electric alarm circuit for protection against theft, fire, etc. Expired FR30533E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR593533T 1924-04-24
FR30533T 1924-05-21

Publications (1)

Publication Number Publication Date
FR30533E true FR30533E (en) 1926-07-19

Family

ID=8668435

Family Applications (1)

Application Number Title Priority Date Filing Date
FR30533D Expired FR30533E (en) 1924-04-24 1924-05-21 Electric alarm circuit for protection against theft, fire, etc.

Country Status (1)

Country Link
FR (1) FR30533E (en)

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