FR2258674A1 - Intruder alarm for doors or windows - is responsive both to breakage of glass and opening of wing of door - Google Patents

Intruder alarm for doors or windows - is responsive both to breakage of glass and opening of wing of door

Info

Publication number
FR2258674A1
FR2258674A1 FR7502649A FR7502649A FR2258674A1 FR 2258674 A1 FR2258674 A1 FR 2258674A1 FR 7502649 A FR7502649 A FR 7502649A FR 7502649 A FR7502649 A FR 7502649A FR 2258674 A1 FR2258674 A1 FR 2258674A1
Authority
FR
France
Prior art keywords
breakage
wing
opening
responsive
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.)
Granted
Application number
FR7502649A
Other languages
English (en)
Other versions
FR2258674B3 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heinz Schuermann and Co
Original Assignee
Heinz Schuermann and Co
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 by Heinz Schuermann and Co filed Critical Heinz Schuermann and Co
Publication of FR2258674A1 publication Critical patent/FR2258674A1/fr
Application granted granted Critical
Publication of FR2258674B3 publication Critical patent/FR2258674B3/fr
Granted 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
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Special Wing (AREA)
FR7502649A 1974-01-18 1975-01-20 Intruder alarm for doors or windows - is responsive both to breakage of glass and opening of wing of door Granted FR2258674A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742402245 DE2402245A1 (de) 1974-01-18 1974-01-18 Durch eine alarmanlage gesichertes fenster oder gesicherte tuer

Publications (2)

Publication Number Publication Date
FR2258674A1 true FR2258674A1 (en) 1975-08-18
FR2258674B3 FR2258674B3 (fr) 1977-10-21

Family

ID=5905041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7502649A Granted FR2258674A1 (en) 1974-01-18 1975-01-20 Intruder alarm for doors or windows - is responsive both to breakage of glass and opening of wing of door

Country Status (3)

Country Link
AT (1) AT354312B (fr)
DE (1) DE2402245A1 (fr)
FR (1) FR2258674A1 (fr)

Also Published As

Publication number Publication date
FR2258674B3 (fr) 1977-10-21
AT354312B (de) 1979-12-27
ATA29875A (de) 1979-05-15
DE2402245A1 (de) 1975-07-24

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