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FR582801A - Enhancements to burglar alarm systems - Google Patents

Enhancements to burglar alarm systems

Info

Publication number
FR582801A
FR582801A FR582801DA FR582801A FR 582801 A FR582801 A FR 582801A FR 582801D A FR582801D A FR 582801DA FR 582801 A FR582801 A FR 582801A
Authority
FR
France
Prior art keywords
enhancements
burglar alarm
alarm systems
systems
burglar
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
Arthur Preston Abbott
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 FR582801A publication Critical patent/FR582801A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by 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
    • G08B13/08—Mechanical actuation by opening, e.g. of door, of window, of drawer, of shutter, of curtain, of blind

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
FR582801D 1924-01-11 1924-06-18 Enhancements to burglar alarm systems Expired FR582801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US685662A US1505760A (en) 1924-01-11 1924-01-11 Burglar alarm

Publications (1)

Publication Number Publication Date
FR582801A true FR582801A (en) 1924-12-29

Family

ID=24753166

Family Applications (1)

Application Number Title Priority Date Filing Date
FR582801D Expired FR582801A (en) 1924-01-11 1924-06-18 Enhancements to burglar alarm systems

Country Status (2)

Country Link
US (1) US1505760A (en)
FR (1) FR582801A (en)

Also Published As

Publication number Publication date
US1505760A (en) 1924-08-19

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