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GB2189031B - Vibration sensor unit for alarm system - Google Patents

Vibration sensor unit for alarm system

Info

Publication number
GB2189031B
GB2189031B GB8707788A GB8707788A GB2189031B GB 2189031 B GB2189031 B GB 2189031B GB 8707788 A GB8707788 A GB 8707788A GB 8707788 A GB8707788 A GB 8707788A GB 2189031 B GB2189031 B GB 2189031B
Authority
GB
United Kingdom
Prior art keywords
sensor unit
vibration sensor
alarm system
alarm
vibration
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 - Lifetime
Application number
GB8707788A
Other versions
GB2189031A (en
GB8707788D0 (en
Inventor
Graham Wild
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8707788D0 publication Critical patent/GB8707788D0/en
Publication of GB2189031A publication Critical patent/GB2189031A/en
Application granted granted Critical
Publication of GB2189031B publication Critical patent/GB2189031B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB8707788A 1986-04-01 1987-04-01 Vibration sensor unit for alarm system Expired - Lifetime GB2189031B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868607877A GB8607877D0 (en) 1986-04-01 1986-04-01 Vibration sensor unit

Publications (3)

Publication Number Publication Date
GB8707788D0 GB8707788D0 (en) 1987-05-07
GB2189031A GB2189031A (en) 1987-10-14
GB2189031B true GB2189031B (en) 1990-03-21

Family

ID=10595453

Family Applications (2)

Application Number Title Priority Date Filing Date
GB868607877A Pending GB8607877D0 (en) 1986-04-01 1986-04-01 Vibration sensor unit
GB8707788A Expired - Lifetime GB2189031B (en) 1986-04-01 1987-04-01 Vibration sensor unit for alarm system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB868607877A Pending GB8607877D0 (en) 1986-04-01 1986-04-01 Vibration sensor unit

Country Status (1)

Country Link
GB (2) GB8607877D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845464A (en) * 1988-08-09 1989-07-04 Clifford Electronics, Inc. Programmable sensor apparatus
GB2271873B (en) * 1992-09-03 1997-02-26 Josef Petr Prokopius Electronic burglar alarm system
GB2300263B (en) * 1995-04-28 1999-10-27 Josef Petr Prokopius Piezo electric detection system for security devices
US6028505A (en) * 1996-03-27 2000-02-22 Clifford Electronics, Inc. Electronic vehicle security system with remote control
US7675413B2 (en) 2004-11-11 2010-03-09 Cattail Technologies, Llc Wireless intrusion sensor for a container
EP1939828A3 (en) * 2004-11-11 2008-11-19 Black & Decker, Inc. Wireless intrusion sensor for a container

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011451A1 (en) * 1978-11-10 1980-05-28 Jack Youens Security alarm systems
GB2175425A (en) * 1985-05-17 1986-11-26 Gec Avionics Intruder alarm system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0011451A1 (en) * 1978-11-10 1980-05-28 Jack Youens Security alarm systems
GB2175425A (en) * 1985-05-17 1986-11-26 Gec Avionics Intruder alarm system

Also Published As

Publication number Publication date
GB2189031A (en) 1987-10-14
GB8707788D0 (en) 1987-05-07
GB8607877D0 (en) 1986-05-08

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20070331