GB8612090D0 - Intruder alarm system - Google Patents

Intruder alarm system

Info

Publication number
GB8612090D0
GB8612090D0 GB868612090A GB8612090A GB8612090D0 GB 8612090 D0 GB8612090 D0 GB 8612090D0 GB 868612090 A GB868612090 A GB 868612090A GB 8612090 A GB8612090 A GB 8612090A GB 8612090 D0 GB8612090 D0 GB 8612090D0
Authority
GB
United Kingdom
Prior art keywords
alarm system
intruder alarm
intruder
alarm
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
GB868612090A
Other versions
GB2175425B (en
GB2175425A (en
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.)
Allard Way Holdings Ltd
Original Assignee
GEC Avionics 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 GEC Avionics Ltd filed Critical GEC Avionics Ltd
Priority to GB08612090A priority Critical patent/GB2175425B/en
Publication of GB8612090D0 publication Critical patent/GB8612090D0/en
Publication of GB2175425A publication Critical patent/GB2175425A/en
Application granted granted Critical
Publication of GB2175425B publication Critical patent/GB2175425B/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
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • 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)
GB08612090A 1985-05-17 1986-05-19 Intruder alarm system Expired GB2175425B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08612090A GB2175425B (en) 1985-05-17 1986-05-19 Intruder alarm system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8512489 1985-05-17
GB08612090A GB2175425B (en) 1985-05-17 1986-05-19 Intruder alarm system

Publications (3)

Publication Number Publication Date
GB8612090D0 true GB8612090D0 (en) 1986-06-25
GB2175425A GB2175425A (en) 1986-11-26
GB2175425B GB2175425B (en) 1988-10-19

Family

ID=26289271

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08612090A Expired GB2175425B (en) 1985-05-17 1986-05-19 Intruder alarm system

Country Status (1)

Country Link
GB (1) GB2175425B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2177797B (en) * 1985-07-12 1989-07-26 Hwang Shih Ming An environmental interference detection device
GB8607877D0 (en) * 1986-04-01 1986-05-08 Wild G Vibration sensor unit
US4845464A (en) * 1988-08-09 1989-07-04 Clifford Electronics, Inc. Programmable sensor apparatus
GB8828877D0 (en) * 1988-12-09 1989-01-18 Atomic Energy Authority Uk Alarm system
US6028505A (en) * 1996-03-27 2000-02-22 Clifford Electronics, Inc. Electronic vehicle security system with remote control

Also Published As

Publication number Publication date
GB2175425B (en) 1988-10-19
GB2175425A (en) 1986-11-26

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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)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930519