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DE69224752D1 - Sicherheitssystem für elektrische und elektronische geräte - Google Patents

Sicherheitssystem für elektrische und elektronische geräte

Info

Publication number
DE69224752D1
DE69224752D1 DE69224752T DE69224752T DE69224752D1 DE 69224752 D1 DE69224752 D1 DE 69224752D1 DE 69224752 T DE69224752 T DE 69224752T DE 69224752 T DE69224752 T DE 69224752T DE 69224752 D1 DE69224752 D1 DE 69224752D1
Authority
DE
Germany
Prior art keywords
electrical
electronic devices
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.)
Expired - Fee Related
Application number
DE69224752T
Other languages
English (en)
Other versions
DE69224752T2 (de
Inventor
Paul Gilhooley
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 ROBERT IAN
Original Assignee
BACHE HUGH ROBERT IAN
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 ROBERT IAN filed Critical BACHE HUGH ROBERT IAN
Publication of DE69224752D1 publication Critical patent/DE69224752D1/de
Application granted granted Critical
Publication of DE69224752T2 publication Critical patent/DE69224752T2/de
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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Power Sources (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
DE69224752T 1991-12-03 1992-12-03 Sicherheitssystem für elektrische und elektronische geräte Expired - Fee Related DE69224752T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9125647A GB2262372B (en) 1991-12-03 1991-12-03 Security system for electrical and electronic equipment
PCT/GB1992/002250 WO1993011515A1 (en) 1991-12-03 1992-12-03 Security system for electrical and electronic equipment

Publications (2)

Publication Number Publication Date
DE69224752D1 true DE69224752D1 (de) 1998-04-16
DE69224752T2 DE69224752T2 (de) 1998-09-24

Family

ID=10705585

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69224752T Expired - Fee Related DE69224752T2 (de) 1991-12-03 1992-12-03 Sicherheitssystem für elektrische und elektronische geräte

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715492B1 (fr) * 1994-01-27 1996-09-20 Jean Noel Bruere Dispositif antivol électronique à codage pour appareils raccordés à un réseau électrique.
SE504715C2 (sv) * 1994-09-19 1997-04-07 Mats Holger Goeran Hedstroem Övervakningssystem för registrering av stöldbegärlig utrustning via elnätet
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
WO1987001229A1 (en) * 1985-08-14 1987-02-26 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
EP0615644A1 (de) 1994-09-21
WO1993011515A1 (en) 1993-06-10
GB2262372B (en) 1995-03-22
DE69224752T2 (de) 1998-09-24
GB9125647D0 (en) 1992-01-29
ES2115682T3 (es) 1998-07-01
GB2262372A (en) 1993-06-16
EP0615644B1 (de) 1998-03-11
CA2125154A1 (en) 1993-06-10
AU3089592A (en) 1993-06-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee