FR947635A - Alarm detonator for door locks - Google Patents

Alarm detonator for door locks

Info

Publication number
FR947635A
FR947635A FR947635DA FR947635A FR 947635 A FR947635 A FR 947635A FR 947635D A FR947635D A FR 947635DA FR 947635 A FR947635 A FR 947635A
Authority
FR
France
Prior art keywords
detonator
alarm
door locks
locks
door
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
Roger Milo De Campobianco
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 FR947635A publication Critical patent/FR947635A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/14—Audible signalling systems; Audible personal calling systems using explosives
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/06—Mechanical actuation by tampering with fastening

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR947635D 1947-05-19 1947-05-19 Alarm detonator for door locks Expired FR947635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR947635T 1947-05-19

Publications (1)

Publication Number Publication Date
FR947635A true FR947635A (en) 1949-07-07

Family

ID=9473548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR947635D Expired FR947635A (en) 1947-05-19 1947-05-19 Alarm detonator for door locks

Country Status (1)

Country Link
FR (1) FR947635A (en)

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