GB8824096D0 - Protection device - Google Patents

Protection device

Info

Publication number
GB8824096D0
GB8824096D0 GB888824096A GB8824096A GB8824096D0 GB 8824096 D0 GB8824096 D0 GB 8824096D0 GB 888824096 A GB888824096 A GB 888824096A GB 8824096 A GB8824096 A GB 8824096A GB 8824096 D0 GB8824096 D0 GB 8824096D0
Authority
GB
United Kingdom
Prior art keywords
protection device
protection
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Withdrawn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
GB888824096A
Other versions
GB2225470A (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.)
Grant Design Ltd
Original Assignee
Grant Design 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 Grant Design Ltd filed Critical Grant Design Ltd
Priority to GB8824096A priority Critical patent/GB2225470A/en
Publication of GB8824096D0 publication Critical patent/GB8824096D0/en
Publication of GB2225470A publication Critical patent/GB2225470A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB8824096A 1988-10-14 1988-10-14 Alarm tamper detection device Withdrawn GB2225470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8824096A GB2225470A (en) 1988-10-14 1988-10-14 Alarm tamper detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8824096A GB2225470A (en) 1988-10-14 1988-10-14 Alarm tamper detection device

Publications (2)

Publication Number Publication Date
GB8824096D0 true GB8824096D0 (en) 1988-11-23
GB2225470A GB2225470A (en) 1990-05-30

Family

ID=10645188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8824096A Withdrawn GB2225470A (en) 1988-10-14 1988-10-14 Alarm tamper detection device

Country Status (1)

Country Link
GB (1) GB2225470A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2254944B (en) * 1991-04-19 1994-10-19 Scantronic Ltd Improvements relating to alarm bell systems
GB9112878D0 (en) * 1991-06-14 1991-07-31 Cqr Security Components Ltd Alarm assembly
GB2366080A (en) * 2000-08-09 2002-02-27 Herga Electric Switch assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2359470A1 (en) * 1976-07-21 1978-02-17 Rene Liou Tchen San FULLY SELF-PROTECTED BOX
US4245219A (en) * 1979-05-24 1981-01-13 Dempsey Gene M Treadle alarm system
US4763110A (en) * 1987-06-22 1988-08-09 Frank Zucker Window alarm system
GB2210718B (en) * 1987-10-09 1991-06-12 David Saunders High security bell box
GB2215500A (en) * 1988-03-08 1989-09-20 Triple S Developments Ltd Burglar alarms

Also Published As

Publication number Publication date
GB2225470A (en) 1990-05-30

Similar Documents

Publication Publication Date Title
GB2231832A (en) Compression-vacuum precussion device
GB8927944D0 (en) Protective device
GB2217581B (en) Face protective device
GB8821156D0 (en) Line protection device
GB8910211D0 (en) Hygenic protection devices
GB2186723B (en) Protection device
GB2213899B (en) Safety protection device
GB2221232B (en) Anti-perch device
EP0337482A3 (en) Semiconducteur protection device
GB8601989D0 (en) Protection device
GB2329234B (en) Protection device
GB8819716D0 (en) Guard device
GB8801564D0 (en) Protection
GB8824096D0 (en) Protection device
EP0331894A3 (en) Shape-testing device
GB2232139B (en) Anti-jack-knife device
GB8800086D0 (en) Ladder-extending device
GB8819675D0 (en) Window-unit corner protection device
GB2200243B (en) Protection device
GB2217387B (en) Anti-waxing device
BG46244A1 (en) Protecting device
EP0331119A3 (en) Belt-locking device
YU215988A (en) Device for protection against tromboembolia
PL276340A1 (en) Protective device
GB8824521D0 (en) Protective device

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)