GB2313690B - Alarm monitoring - Google Patents

Alarm monitoring

Info

Publication number
GB2313690B
GB2313690B GB9611187A GB9611187A GB2313690B GB 2313690 B GB2313690 B GB 2313690B GB 9611187 A GB9611187 A GB 9611187A GB 9611187 A GB9611187 A GB 9611187A GB 2313690 B GB2313690 B GB 2313690B
Authority
GB
United Kingdom
Prior art keywords
alarm monitoring
alarm
monitoring
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
GB9611187A
Other versions
GB9611187D0 (en
GB2313690A (en
Inventor
David Appleby
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.)
RAFIKI PROTECTION Ltd
Original Assignee
RAFIKI PROTECTION 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 RAFIKI PROTECTION Ltd filed Critical RAFIKI PROTECTION Ltd
Priority to GB9611187A priority Critical patent/GB2313690B/en
Publication of GB9611187D0 publication Critical patent/GB9611187D0/en
Publication of GB2313690A publication Critical patent/GB2313690A/en
Application granted granted Critical
Publication of GB2313690B publication Critical patent/GB2313690B/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
    • 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
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/043—Monitoring of the detection circuits of fire detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
GB9611187A 1996-05-29 1996-05-29 Alarm monitoring Expired - Fee Related GB2313690B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9611187A GB2313690B (en) 1996-05-29 1996-05-29 Alarm monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9611187A GB2313690B (en) 1996-05-29 1996-05-29 Alarm monitoring

Publications (3)

Publication Number Publication Date
GB9611187D0 GB9611187D0 (en) 1996-07-31
GB2313690A GB2313690A (en) 1997-12-03
GB2313690B true GB2313690B (en) 2000-03-22

Family

ID=10794453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9611187A Expired - Fee Related GB2313690B (en) 1996-05-29 1996-05-29 Alarm monitoring

Country Status (1)

Country Link
GB (1) GB2313690B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2337625B (en) 1998-05-20 2002-11-27 Apollo Fire Detectors Ltd Detector removal signalling device
JPH11344577A (en) * 1998-06-02 1999-12-14 Keyence Corp Extension confirming method for area sensor controller and area sensor control master unit and nonextension time using cover
GB2341964B (en) * 1998-09-28 2002-12-11 Apollo Fire Detectors Ltd Signalling device and monitoring system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017852A (en) * 1976-06-24 1977-04-12 Honeywell Inc. Apparatus for supervising leads interconnecting a plurality of self-contained abnormal condition sensing and alarm annunciating units
US4435698A (en) * 1980-06-11 1984-03-06 Hekatron Gmbh Circuit arrangement for the transmission of measurements to a central, especially in a fire alarm system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4017852A (en) * 1976-06-24 1977-04-12 Honeywell Inc. Apparatus for supervising leads interconnecting a plurality of self-contained abnormal condition sensing and alarm annunciating units
US4435698A (en) * 1980-06-11 1984-03-06 Hekatron Gmbh Circuit arrangement for the transmission of measurements to a central, especially in a fire alarm system

Also Published As

Publication number Publication date
GB9611187D0 (en) 1996-07-31
GB2313690A (en) 1997-12-03

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
7276 Counter claim for revocation lodged in the pat. court (section 72)
S72Z Claim or counterclaim for revocation before the court (sect. 72 patents act1977)

Free format text: CLAIM FOR REVOCATION DISCONTINUED; PATENTS COURT ON 21 DECEMBER 2007 DISCONTINUED BY CONSENT ORDERDATED 19 JUNE 2009 (HC07C03491).

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140529