GB2054923B - Self-testing alarm systems - Google Patents

Self-testing alarm systems

Info

Publication number
GB2054923B
GB2054923B GB8020941A GB8020941A GB2054923B GB 2054923 B GB2054923 B GB 2054923B GB 8020941 A GB8020941 A GB 8020941A GB 8020941 A GB8020941 A GB 8020941A GB 2054923 B GB2054923 B GB 2054923B
Authority
GB
United Kingdom
Prior art keywords
self
alarm systems
testing alarm
testing
systems
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
Application number
GB8020941A
Other versions
GB2054923A (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.)
Mather & Platt Alarms Ltd
Original Assignee
Mather & Platt Alarms 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 Mather & Platt Alarms Ltd filed Critical Mather & Platt Alarms Ltd
Priority to GB8020941A priority Critical patent/GB2054923B/en
Publication of GB2054923A publication Critical patent/GB2054923A/en
Application granted granted Critical
Publication of GB2054923B publication Critical patent/GB2054923B/en
Expired 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
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/14—Checking intermittently signalling or alarm systems checking the detection circuits
    • 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
    • G08B29/126—Checking intermittently signalling or alarm systems of annunciator circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
GB8020941A 1979-06-30 1980-06-26 Self-testing alarm systems Expired GB2054923B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8020941A GB2054923B (en) 1979-06-30 1980-06-26 Self-testing alarm systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB7922798 1979-06-30
GB8020941A GB2054923B (en) 1979-06-30 1980-06-26 Self-testing alarm systems

Publications (2)

Publication Number Publication Date
GB2054923A GB2054923A (en) 1981-02-18
GB2054923B true GB2054923B (en) 1983-04-13

Family

ID=26272015

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8020941A Expired GB2054923B (en) 1979-06-30 1980-06-26 Self-testing alarm systems

Country Status (1)

Country Link
GB (1) GB2054923B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110889957A (en) * 2018-09-11 2020-03-17 Tcl-罗格朗国际电工（惠州）有限公司 Alarm function failure prevention method and device, computer equipment and storage medium

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4679156A (en) * 1981-05-21 1987-07-07 Santa Barbara Research Center Microprocessor-controlled fire sensor
US4769775A (en) * 1981-05-21 1988-09-06 Santa Barbara Research Center Microprocessor-controlled fire sensor
DE3120986A1 (en) * 1981-05-26 1982-12-16 Siemens AG, 1000 Berlin und 8000 München METHOD AND ARRANGEMENT FOR REVISION IN A DANGER, IN PARTICULAR FIRE DETECTING SYSTEM
US4412211A (en) * 1981-08-28 1983-10-25 American District Telegraph Co. System for test sequence annunciation
GB2162671A (en) * 1983-08-27 1986-02-05 Hunslet Monitoring system
GB8515774D0 (en) * 1985-06-21 1985-07-24 Mckenna F E Fire hazard detection systems
DE3864884D1 (en) * 1987-04-21 1991-10-24 Siemens Ag CIRCUIT ARRANGEMENT FOR THE AUTOMATIC FUNCTIONAL CHECK OF A MONITORING DEVICE.
DE4020175C2 (en) * 1990-06-25 1994-01-20 Waldemar Marinitsch Device for failsafe testing of an infrared sensor arrangement
CN1234893A (en) * 1996-08-20 1999-11-10 罗伯特·詹姆斯·麦克布赖德－威尔逊 Improvement relating to event detection and recordal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110889957A (en) * 2018-09-11 2020-03-17 Tcl-罗格朗国际电工（惠州）有限公司 Alarm function failure prevention method and device, computer equipment and storage medium

Also Published As

Publication number Publication date
GB2054923A (en) 1981-02-18

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee