GB2091874B - Intruder detection system - Google Patents

Intruder detection system

Info

Publication number: GB2091874B
Authority: GB; United Kingdom
Prior art keywords: detection system; intruder detection; intruder; detection
Prior art date: 1981-01-22
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

GB8201331A

Other versions

GB2091874A (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.)

UK Secretary of State for Defence

Original Assignee

UK Secretary of State for Defence

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.)

1981-01-22

Filing date

1982-01-18

Publication date

1984-11-14

1982-01-18 Application filed by UK Secretary of State for Defence filed Critical UK Secretary of State for Defence

1982-01-18 Priority to GB8201331A priority Critical patent/GB2091874B/en

1982-08-04 Publication of GB2091874A publication Critical patent/GB2091874A/en

1984-11-14 Application granted granted Critical

1984-11-14 Publication of GB2091874B publication Critical patent/GB2091874B/en

Status Expired legal-status Critical Current

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

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Burglar Alarm Systems (AREA)

GB8201331A 1981-01-22 1982-01-18 Intruder detection system Expired GB2091874B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB8201331A GB2091874B (en)	1981-01-22	1982-01-18	Intruder detection system

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB8101881		1981-01-22
GB8201331A GB2091874B (en)	1981-01-22	1982-01-18	Intruder detection system

Publications (2)

Publication Number	Publication Date
GB2091874A GB2091874A (en)	1982-08-04
GB2091874B true GB2091874B (en)	1984-11-14

Family

ID=26278180

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8201331A Expired GB2091874B (en)	1981-01-22	1982-01-18	Intruder detection system

Country Status (1)

Country	Link
GB (1)	GB2091874B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1145924B (en) *	1981-08-19	1986-11-12	Ci Ka Ra Spa	ANTI-THEFT FENCING NET
US4927232A (en) *	1985-03-18	1990-05-22	G2 Systems Corporation	Structural monitoring system using fiber optics
US5026141A (en) *	1981-08-24	1991-06-25	G2 Systems Corporation	Structural monitoring system using fiber optics
EP0278143B1 (en) *	1987-02-13	1991-07-31	G2 SYSTEMS CORPORATION (a California corporation)	Structural monitoring system using fiber optics
GB2122337B (en) *	1982-05-18	1985-11-13	Nat Res Dev	Fibre optic sensing device
GB2138983A (en) *	1983-03-25	1984-10-31	Graham David Francis Sharp	Portable alarm system
GB2147439B (en) *	1983-10-01	1986-09-10	Standard Telephones Cables Ltd	Intruder detector
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
RU95108004A (en) *	1995-05-25	1997-02-10	Акционерное общество закрытого типа "НТФ Интерсвязь"	Fiber-optical device for emergency alarm
US7800047B2 (en) *	2003-05-03	2010-09-21	Woven Electronics, Llc	Apparatus and method for a computerized fiber optic security system
GB2434016B (en) *	2005-08-26	2010-09-22	Cronapress Ltd	Alarm system
DE102007013140A1 (en) *	2007-03-15	2008-09-18	Hochschule Niederrhein	Optical switching device
US7821418B2 (en)	2007-04-24	2010-10-26	Cronapress Limited	Safety system

1982
- 1982-01-18 GB GB8201331A patent/GB2091874B/en not_active Expired

Also Published As

Publication number	Publication date
GB2091874A (en)	1982-08-04

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Legal Events

Date	Code	Title	Description
1983-01-26	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1984-04-26	732	Registration of transactions, instruments or events in the register (sect. 32/1977)
1996-09-04	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19960118