GB2181586B - An alarm circuit - Google Patents

An alarm circuit

Info

Publication number
GB2181586B
GB2181586B GB8525159A GB8525159A GB2181586B GB 2181586 B GB2181586 B GB 2181586B GB 8525159 A GB8525159 A GB 8525159A GB 8525159 A GB8525159 A GB 8525159A GB 2181586 B GB2181586 B GB 2181586B
Authority
GB
United Kingdom
Prior art keywords
alarm circuit
alarm
circuit
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
GB8525159A
Other versions
GB2181586A (en
Inventor
Leslie Thomas Clarke
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.)
Pilkington Group Ltd
Original Assignee
Pilkington Brothers Ltd
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 Pilkington Brothers Ltd filed Critical Pilkington Brothers Ltd
Priority to GB8525159A priority Critical patent/GB2181586B/en
Publication of GB2181586A publication Critical patent/GB2181586A/en
Application granted granted Critical
Publication of GB2181586B publication Critical patent/GB2181586B/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
    • G08B13/02—Mechanical actuation
    • G08B13/04—Mechanical actuation by breaking of glass
GB8525159A 1985-10-11 1985-10-11 An alarm circuit Expired GB2181586B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8525159A GB2181586B (en) 1985-10-11 1985-10-11 An alarm circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8525159A GB2181586B (en) 1985-10-11 1985-10-11 An alarm circuit

Publications (2)

Publication Number Publication Date
GB2181586A GB2181586A (en) 1987-04-23
GB2181586B true GB2181586B (en) 1989-09-13

Family

ID=10586560

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8525159A Expired GB2181586B (en) 1985-10-11 1985-10-11 An alarm circuit

Country Status (1)

Country Link
GB (1) GB2181586B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2625581A1 (en) * 1988-01-05 1989-07-07 Jaeger Detector of the breaking of a window for motor vehicles
US5389911A (en) * 1993-12-06 1995-02-14 Ford Motor Company Alarm system for detecting glass breakage
US10553087B2 (en) 2015-11-19 2020-02-04 Saint-Gobain Glass France Alarm pane arrangement
EP3378044A1 (en) 2015-11-19 2018-09-26 Saint-Gobain Glass France Alarm pane arrangement
US10557877B2 (en) 2016-08-02 2020-02-11 Saint-Gobain Glass France Alarm pane assembly
US10490036B2 (en) 2016-08-02 2019-11-26 Saint-Gobain Glass France Alarm pane assembly

Also Published As

Publication number Publication date
GB2181586A (en) 1987-04-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931011