GB8822501D0 - Barrier - Google Patents

Barrier

Info

Publication number
GB8822501D0
GB8822501D0 GB888822501A GB8822501A GB8822501D0 GB 8822501 D0 GB8822501 D0 GB 8822501D0 GB 888822501 A GB888822501 A GB 888822501A GB 8822501 A GB8822501 A GB 8822501A GB 8822501 D0 GB8822501 D0 GB 8822501D0
Authority
GB
United Kingdom
Prior art keywords
barrier
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
GB888822501A
Other versions
GB2225469A (en
GB2225469B (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.)
Gilding J F K
Original Assignee
Gilding J F K
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 Gilding J F K filed Critical Gilding J F K
Priority to GB8822501A priority Critical patent/GB2225469B/en
Publication of GB8822501D0 publication Critical patent/GB8822501D0/en
Publication of GB2225469A publication Critical patent/GB2225469A/en
Application granted granted Critical
Publication of GB2225469B publication Critical patent/GB2225469B/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
    • G08B13/02—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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB8822501A 1988-09-24 1988-09-24 Barrier Expired - Lifetime GB2225469B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8822501A GB2225469B (en) 1988-09-24 1988-09-24 Barrier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8822501A GB2225469B (en) 1988-09-24 1988-09-24 Barrier

Publications (3)

Publication Number Publication Date
GB8822501D0 true GB8822501D0 (en) 1988-10-26
GB2225469A GB2225469A (en) 1990-05-30
GB2225469B GB2225469B (en) 1992-10-21

Family

ID=10644203

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8822501A Expired - Lifetime GB2225469B (en) 1988-09-24 1988-09-24 Barrier

Country Status (1)

Country Link
GB (1) GB2225469B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247095B (en) * 1990-07-27 1994-08-03 Tensator Ltd An alarm system for a barrier
GB2266983B (en) * 1992-05-12 1996-11-13 Paul Barker Alarmed Barrier
DE102007021484A1 (en) * 2007-05-08 2008-11-13 Eberlein, Herbert, Dipl.-Ing. (FH) Locking device for person passageway, has stationary device equipped with detection device, where detection device is detecting longitudinal movement of belt with aid of contact unit and warning device is activated by detection process
US8176677B1 (en) * 2008-02-27 2012-05-15 Blackmon Iii Baron H Automated guide rail apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3887910A (en) * 1972-11-15 1975-06-03 Vernon H Jones Burglar alarm
GB2016777A (en) * 1978-02-10 1979-09-26 Jag Mfg Ltd Detection Alarm Arrangement
US4340884A (en) * 1980-05-22 1982-07-20 Maizland Ronald E Intrusion alarm
GB8817168D0 (en) * 1988-07-19 1988-08-24 Pivot Eng Ltd Retractable barrier device

Also Published As

Publication number Publication date
GB2225469A (en) 1990-05-30
GB2225469B (en) 1992-10-21

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Legal Events

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

Effective date: 19940924