[go: up one dir, main page]

GB2038060B - Intruder alarm - Google Patents

Intruder alarm

Info

Publication number
GB2038060B
GB2038060B GB7841678A GB7841678A GB2038060B GB 2038060 B GB2038060 B GB 2038060B GB 7841678 A GB7841678 A GB 7841678A GB 7841678 A GB7841678 A GB 7841678A GB 2038060 B GB2038060 B GB 2038060B
Authority
GB
United Kingdom
Prior art keywords
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.)
Expired
Application number
GB7841678A
Other versions
GB2038060A (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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB7841678A priority Critical patent/GB2038060B/en
Publication of GB2038060A publication Critical patent/GB2038060A/en
Application granted granted Critical
Publication of GB2038060B publication Critical patent/GB2038060B/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
    • G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB7841678A 1978-10-24 1978-10-24 Intruder alarm Expired GB2038060B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7841678A GB2038060B (en) 1978-10-24 1978-10-24 Intruder alarm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7841678A GB2038060B (en) 1978-10-24 1978-10-24 Intruder alarm

Publications (2)

Publication Number Publication Date
GB2038060A GB2038060A (en) 1980-07-16
GB2038060B true GB2038060B (en) 1982-09-29

Family

ID=10500540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7841678A Expired GB2038060B (en) 1978-10-24 1978-10-24 Intruder alarm

Country Status (1)

Country Link
GB (1) GB2038060B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH643077A5 (en) * 1979-08-07 1984-05-15 Ci Ka Ra Srl ANTI-BREAK-IN FENCE NET, PROCEDURE AND DEVICE FOR ITS MANUFACTURE.
US4367460A (en) * 1979-10-17 1983-01-04 Henri Hodara Intrusion sensor using optic fiber
EP0049979B1 (en) * 1980-10-10 1987-03-18 Pilkington P.E. Limited Intruder detection security system
EP0072085B1 (en) * 1981-05-13 1987-07-15 X-Factor Enterprises Limited Security barrier structure
US4538527A (en) * 1981-10-09 1985-09-03 Pilkington P.E. Limited Security system
EP0118698A3 (en) * 1983-02-08 1985-03-13 Horst Klostermann Protection grid
WO1984004985A1 (en) * 1983-06-03 1984-12-20 Hughes Technology Pty Ltd Laser security system
FR2555783A1 (en) * 1983-08-09 1985-05-31 Guerineau Yves Protective coating
GB8322486D0 (en) * 1983-08-20 1983-09-21 Nmi Ltd Crack monitors
DE3447122A1 (en) * 1984-12-22 1986-06-26 Messerschmitt-Bölkow-Blohm GmbH, 2800 Bremen MEASURING ARRANGEMENT FOR DETECTING CRACKS IN TEST UNITS
GB2182182B (en) * 1985-04-24 1989-06-28 Sound Special Services Limited Intrusion detecting device
IL78728A (en) * 1986-05-08 1990-07-12 Magal Security Systems Ltd Security fence
IL78856A (en) * 1986-05-20 1990-07-12 Magal Security Systems Ltd Sensor for a security fence
DE3618632A1 (en) * 1986-06-03 1987-12-10 Poley Bernd Barrier (exclusion) fence
US5049855A (en) * 1989-10-24 1991-09-17 Slemon Charles S Security screen system
IL98939A (en) * 1991-07-23 1998-08-16 Trans Security Systems 1990 Lt Security fence
US7123785B2 (en) 2004-10-15 2006-10-17 David Iffergan Optic fiber security fence system
US8182175B2 (en) 2010-03-19 2012-05-22 David Iffergan Gate for marine optic fiber security fence
US8537011B2 (en) 2010-03-19 2013-09-17 David Iffergan Marine optic fiber security fence
US8928480B2 (en) 2010-03-19 2015-01-06 David Iffergan Reinforced marine optic fiber security fence
CN112291508B (en) * 2019-11-11 2023-07-21 中国人民解放军海军工程大学 An intelligent underwater security arresting net system and intrusion early warning method

Also Published As

Publication number Publication date
GB2038060A (en) 1980-07-16

Similar Documents

Publication Publication Date Title
GB2012092B (en) Alarm system
GB2021893B (en) Intruder detector
ZA785255B (en) Alarm system
GB2038060B (en) Intruder alarm
JPS5578395A (en) Invasion alarm
JPS54130897A (en) Simple alarm
JPS5537697A (en) Invader alarm
GB2020465A (en) Intruder alarm
JPS5556298A (en) Remote alarm unit
GB2031204B (en) Audiodetector alarm
JPS55109978A (en) Alarm device
GB2030336B (en) Emergnecy alarm systems
JPS5537688A (en) Smoke alarm
GB2029062B (en) Intruder detection
GB2014826B (en) Telephone intruder alarm system
GB2027242B (en) Alarm systems
GB2045494B (en) Intruder alarm system
GB2033636B (en) Intruder alarms
JPS5572296A (en) Alarm
JPS5544638A (en) Alarm
GB2019072B (en) Alarm systems
JPS5648484A (en) Burglar alarm
JPS5556296A (en) Alarm unit
JPS5592992A (en) Batteryycell type fire alarm
JPS54100690A (en) Alarm

Legal Events

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