GB9125647D0 - Security system for electrical and electronic equipment - Google Patents

Security system for electrical and electronic equipment

Info

Publication number
GB9125647D0
GB9125647D0 GB919125647A GB9125647A GB9125647D0 GB 9125647 D0 GB9125647 D0 GB 9125647D0 GB 919125647 A GB919125647 A GB 919125647A GB 9125647 A GB9125647 A GB 9125647A GB 9125647 D0 GB9125647 D0 GB 9125647D0
Authority
GB
United Kingdom
Prior art keywords
electrical
electronic equipment
security system
security
electronic
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
GB919125647A
Other versions
GB2262372B (en
GB2262372A (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.)
Bache Hugh R I
Original Assignee
Bache Hugh R I
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 Bache Hugh R I filed Critical Bache Hugh R I
Priority to GB9125647A priority Critical patent/GB2262372B/en
Publication of GB9125647D0 publication Critical patent/GB9125647D0/en
Priority to AU30895/92A priority patent/AU3089592A/en
Priority to CA 2125154 priority patent/CA2125154A1/en
Priority to EP92924781A priority patent/EP0615644B1/en
Priority to DE69224752T priority patent/DE69224752T2/en
Priority to PCT/GB1992/002250 priority patent/WO1993011515A1/en
Priority to ES92924781T priority patent/ES2115682T3/en
Publication of GB2262372A publication Critical patent/GB2262372A/en
Application granted granted Critical
Publication of GB2262372B publication Critical patent/GB2262372B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B26/00—Alarm systems in which substations are interrogated in succession by a central station
    • G08B26/001—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel
    • G08B26/002—Alarm systems in which substations are interrogated in succession by a central station with individual interrogation of substations connected in parallel only replying the state of the sensor
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
GB9125647A 1991-12-03 1991-12-03 Security system for electrical and electronic equipment Expired - Fee Related GB2262372B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB9125647A GB2262372B (en) 1991-12-03 1991-12-03 Security system for electrical and electronic equipment
AU30895/92A AU3089592A (en) 1991-12-03 1992-12-03 Security system for electrical and electronic equipment
CA 2125154 CA2125154A1 (en) 1991-12-03 1992-12-03 Security system for electrical and electronic equipment
EP92924781A EP0615644B1 (en) 1991-12-03 1992-12-03 Security system for electrical and electronic equipment
DE69224752T DE69224752T2 (en) 1991-12-03 1992-12-03 SECURITY SYSTEM FOR ELECTRICAL AND ELECTRONIC DEVICES
PCT/GB1992/002250 WO1993011515A1 (en) 1991-12-03 1992-12-03 Security system for electrical and electronic equipment
ES92924781T ES2115682T3 (en) 1991-12-03 1992-12-03 SAFETY SYSTEM FOR ELECTRICAL AND ELECTRONIC EQUIPMENT.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9125647A GB2262372B (en) 1991-12-03 1991-12-03 Security system for electrical and electronic equipment

Publications (3)

Publication Number Publication Date
GB9125647D0 true GB9125647D0 (en) 1992-01-29
GB2262372A GB2262372A (en) 1993-06-16
GB2262372B GB2262372B (en) 1995-03-22

Family

ID=10705585

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9125647A Expired - Fee Related GB2262372B (en) 1991-12-03 1991-12-03 Security system for electrical and electronic equipment

Country Status (7)

Country Link
EP (1) EP0615644B1 (en)
AU (1) AU3089592A (en)
CA (1) CA2125154A1 (en)
DE (1) DE69224752T2 (en)
ES (1) ES2115682T3 (en)
GB (1) GB2262372B (en)
WO (1) WO1993011515A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715492B1 (en) * 1994-01-27 1996-09-20 Jean Noel Bruere Coded electronic anti-theft device for devices connected to an electrical network.
SE504715C2 (en) * 1994-09-19 1997-04-07 Mats Holger Goeran Hedstroem Monitoring system for registration of theft-demanding equipment via the electricity grid
GB9624981D0 (en) * 1996-11-30 1997-01-15 Watkins Richard Improvements relating to security systems
GB9714146D0 (en) * 1997-07-05 1997-09-10 Mayburn Ltd Monitoring equipment
US6308272B1 (en) * 1998-12-21 2001-10-23 International Business Machines Corporation Security system using existing network and personal computers
GB2350704A (en) * 1999-06-02 2000-12-06 Nicholas Peter Carter Security system
GB2357611B (en) 1999-12-21 2004-06-02 Ibm Electronic location tag
GB2357612A (en) * 1999-12-21 2001-06-27 Ibm Electronic inventory tag
GB2358946A (en) * 2000-02-01 2001-08-08 Ravinder S Dosanjh Combating theft of computer equipment and software piracy
GB2362248A (en) * 2000-05-13 2001-11-14 Ibm Power socket for physical asset tracking

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983338A (en) * 1973-09-19 1976-09-28 Mathauser William R Apparatus and method to test the condition of an electrical service line and to determine the presence and/or removal of electrical equipment connected to the line
EP0232390A4 (en) * 1985-08-14 1989-05-11 Dunn Jeffrey Security device.
GB2233485A (en) * 1989-06-23 1991-01-09 James Moore Equipment anti-theft monitor

Also Published As

Publication number Publication date
WO1993011515A1 (en) 1993-06-10
GB2262372B (en) 1995-03-22
AU3089592A (en) 1993-06-28
CA2125154A1 (en) 1993-06-10
EP0615644A1 (en) 1994-09-21
ES2115682T3 (en) 1998-07-01
DE69224752D1 (en) 1998-04-16
GB2262372A (en) 1993-06-16
EP0615644B1 (en) 1998-03-11
DE69224752T2 (en) 1998-09-24

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Legal Events

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

Effective date: 20041203