GB9116419D0 - Improvements relating to security systems - Google Patents

Improvements relating to security systems

Info

Publication number
GB9116419D0
GB9116419D0 GB919116419A GB9116419A GB9116419D0 GB 9116419 D0 GB9116419 D0 GB 9116419D0 GB 919116419 A GB919116419 A GB 919116419A GB 9116419 A GB9116419 A GB 9116419A GB 9116419 D0 GB9116419 D0 GB 9116419D0
Authority
GB
United Kingdom
Prior art keywords
security systems
improvements relating
relating
security
systems
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.)
Withdrawn
Application number
GB919116419A
Other versions
GB2247553A (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.)
Weyrad Electronics Ltd
Original Assignee
Weyrad Electronics 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 Weyrad Electronics Ltd filed Critical Weyrad Electronics Ltd
Publication of GB9116419D0 publication Critical patent/GB9116419D0/en
Publication of GB2247553A publication Critical patent/GB2247553A/en
Withdrawn legal-status Critical Current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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
GB9116419A 1990-07-31 1991-07-30 "Satellite receiver theft alarm systems" Withdrawn GB2247553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909016795A GB9016795D0 (en) 1990-07-31 1990-07-31 Improvements relating to security systems

Publications (2)

Publication Number Publication Date
GB9116419D0 true GB9116419D0 (en) 1991-09-11
GB2247553A GB2247553A (en) 1992-03-04

Family

ID=10679942

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909016795A Pending GB9016795D0 (en) 1990-07-31 1990-07-31 Improvements relating to security systems
GB9116419A Withdrawn GB2247553A (en) 1990-07-31 1991-07-30 "Satellite receiver theft alarm systems"

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB909016795A Pending GB9016795D0 (en) 1990-07-31 1990-07-31 Improvements relating to security systems

Country Status (1)

Country Link
GB (2) GB9016795D0 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691698A (en) * 1950-10-26 1954-10-12 Res Products Inc Security telephone cable with jammer and alarm
US3696378A (en) * 1970-08-11 1972-10-03 Video Eng Inc Appliance theft alarm using voltage magnitude switch
US3772645A (en) * 1972-01-20 1973-11-13 T P S Inc Costa Mesa Vehicle alarm system
US4040045A (en) * 1975-05-27 1977-08-02 Osborne Richard C Method and apparatus for creating and detecting alarm condition using a master antenna television system
US4047167A (en) * 1976-08-12 1977-09-06 Helena Bill F Relaxation switch
US4137521A (en) * 1977-02-09 1979-01-30 Roberto Martinez Antenna alarm
US4284983A (en) * 1980-02-19 1981-08-18 Lent Roger S Appliance anti-theft and protection circuitry
EP0144160B1 (en) * 1983-11-04 1989-08-02 Product Innovation Limited Movement sensor
GB2154037B (en) * 1984-02-01 1987-06-10 Thorn Emi Ferguson Alarm unit
GB2183876A (en) * 1985-12-07 1987-06-10 Hilclare Electronics Limited Vibration sensing unit
US4772879A (en) * 1986-12-22 1988-09-20 Sydney Harrison Motion sensing alarm
GB2212644B (en) * 1987-11-19 1991-10-09 Gore & Ass A signal-carrying member for a security system
GB2237913B (en) * 1989-10-13 1994-02-02 Datatool Alarms Ltd Bicycle alarm

Also Published As

Publication number Publication date
GB9016795D0 (en) 1990-09-12
GB2247553A (en) 1992-03-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)