GB8519633D0 - Intruder detection barrier - Google Patents

Intruder detection barrier

Info

Publication number
GB8519633D0
GB8519633D0 GB858519633A GB8519633A GB8519633D0 GB 8519633 D0 GB8519633 D0 GB 8519633D0 GB 858519633 A GB858519633 A GB 858519633A GB 8519633 A GB8519633 A GB 8519633A GB 8519633 D0 GB8519633 D0 GB 8519633D0
Authority
GB
United Kingdom
Prior art keywords
intruder detection
detection barrier
barrier
intruder
detection
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Withdrawn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
GB858519633A
Other versions
GB2162981A (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.)
Shorrock Security Systems Ltd
Original Assignee
Shorrock Security Systems 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 Shorrock Security Systems Ltd filed Critical Shorrock Security Systems Ltd
Publication of GB8519633D0 publication Critical patent/GB8519633D0/en
Publication of GB2162981A publication Critical patent/GB2162981A/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Withdrawn legal-status Critical Current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
    • 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
    • G08B13/22—Electrical actuation
    • G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB08519633A 1984-08-09 1985-08-05 Intruder detection barrier Withdrawn GB2162981A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8420275 1984-08-09
GB8423111 1984-09-13

Publications (2)

Publication Number Publication Date
GB8519633D0 true GB8519633D0 (en) 1985-09-11
GB2162981A GB2162981A (en) 1986-02-12

Family

ID=26288094

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08519633A Withdrawn GB2162981A (en) 1984-08-09 1985-08-05 Intruder detection barrier

Country Status (1)

Country Link
GB (1) GB2162981A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9000553D0 (en) * 1990-01-10 1990-03-14 Nnc Ltd Barrier structures
GB9204424D0 (en) * 1992-02-28 1992-04-15 Casswell Peter H Detection systems comprising a fence and detector
EP0587932A1 (en) * 1992-09-16 1994-03-23 EUROCK S.p.A. Device for measuring forces exerted on a safety fence
WO1998024073A1 (en) * 1996-11-25 1998-06-04 Def S.R.L. Anti-intrusion apparatus, particularly for passage openings, like doors, windows, or similar
US7119680B2 (en) * 2003-12-11 2006-10-10 At&T Corp. FSOC/radio intrusion detection system
WO2010137998A2 (en) * 2009-05-24 2010-12-02 Gallagher Group Limited Improvements to a taut wire fence system
ITBA20100013A1 (en) * 2010-03-17 2010-06-16 Rocco Carone ALARM DEVICE OR COMMAND WHOSE SENSOR ELEMENTS ARE CONSTITUTED BY ONE OR MORE PAIRS OF UNIPOLAR ELECTRIC CABLES COMBINED WITH ONE OR MORE DETECTION ELEMENTS.
CN103035092B (en) * 2011-09-30 2015-01-07 上海广拓信息技术有限公司 Multiple-wire-system tension electronic fence intrusion detector and detecting method
CN102636308A (en) * 2012-04-26 2012-08-15 上海睿堡电子科技发展有限公司 Displacement type tension monitoring module for cables and electronic fence using same
NO345259B1 (en) 2018-06-12 2020-11-23 Kahrs Hansen As Instrumentation system for integrity monitoring of a net barrier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1354057A (en) * 1972-07-19 1974-06-05 Pye Dynamics Ltd Security fences
GB1450187A (en) * 1973-10-17 1976-09-22 Pye Ltd Fence
DE2537242A1 (en) * 1975-08-21 1977-03-03 Malkmus Doernemann Carola SECURITY FENCE WITH ALARM DEVICE
IL60240A (en) * 1980-06-05 1982-07-30 Beta Eng & Dev Ltd Intrusion detection system and detectors useful therein

Also Published As

Publication number Publication date
GB2162981A (en) 1986-02-12

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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)