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GB9115351D0 - Alarm system - Google Patents

Alarm system

Info

Publication number
GB9115351D0
GB9115351D0 GB919115351A GB9115351A GB9115351D0 GB 9115351 D0 GB9115351 D0 GB 9115351D0 GB 919115351 A GB919115351 A GB 919115351A GB 9115351 A GB9115351 A GB 9115351A GB 9115351 D0 GB9115351 D0 GB 9115351D0
Authority
GB
United Kingdom
Prior art keywords
alarm system
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.)
Withdrawn
Application number
GB919115351A
Other versions
GB2257809A (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.)
LAB CRAFT Ltd
Original Assignee
LAB CRAFT 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 LAB CRAFT Ltd filed Critical LAB CRAFT Ltd
Priority to GB9115351A priority Critical patent/GB2257809A/en
Publication of GB9115351D0 publication Critical patent/GB9115351D0/en
Publication of GB2257809A publication Critical patent/GB2257809A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • 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
    • G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
    • 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire Alarms (AREA)
GB9115351A 1991-07-16 1991-07-16 "alarm system" Withdrawn GB2257809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9115351A GB2257809A (en) 1991-07-16 1991-07-16 "alarm system"

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9115351A GB2257809A (en) 1991-07-16 1991-07-16 "alarm system"

Publications (2)

Publication Number Publication Date
GB9115351D0 true GB9115351D0 (en) 1991-08-28
GB2257809A GB2257809A (en) 1993-01-20

Family

ID=10698447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9115351A Withdrawn GB2257809A (en) 1991-07-16 1991-07-16 "alarm system"

Country Status (1)

Country Link
GB (1) GB2257809A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS595955B2 (en) * 1979-07-27 1984-02-08 ホーチキ株式会社 fire alarm
GB2095880A (en) * 1981-03-30 1982-10-06 Electronic Alarms Ltd Fire alarm circuits
GB2134680A (en) * 1983-02-02 1984-08-15 Sound Diffusion Plc Monitored line alarm systems

Also Published As

Publication number Publication date
GB2257809A (en) 1993-01-20

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Legal Events

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