EP0002868A3 - Fire detector - Google Patents

Fire detector

Info

Publication number
EP0002868A3
EP0002868A3 EP78200379A EP78200379A EP0002868A3 EP 0002868 A3 EP0002868 A3 EP 0002868A3 EP 78200379 A EP78200379 A EP 78200379A EP 78200379 A EP78200379 A EP 78200379A EP 0002868 A3 EP0002868 A3 EP 0002868A3
Authority
EP
European Patent Office
Prior art keywords
fire detector
fire
detector
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.)
Granted
Application number
EP78200379A
Other versions
EP0002868B1 (en
EP0002868A2 (en
Inventor
Shuji Hirai
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.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Kogyo Co 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 Nohmi Bosai Kogyo Co Ltd filed Critical Nohmi Bosai Kogyo Co Ltd
Publication of EP0002868A2 publication Critical patent/EP0002868A2/en
Publication of EP0002868A3 publication Critical patent/EP0002868A3/en
Application granted granted Critical
Publication of EP0002868B1 publication Critical patent/EP0002868B1/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00Fire alarms; Alarms responsive to explosion

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
  • Fire Alarms (AREA)
EP19780200379 1977-12-26 1978-12-18 Fire detector Expired EP0002868B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP157038/77 1977-12-26
JP15703877A JPS5831038B2 (en) 1977-12-26 1977-12-26 fire detector

Publications (3)

Publication Number Publication Date
EP0002868A2 EP0002868A2 (en) 1979-07-11
EP0002868A3 true EP0002868A3 (en) 1979-07-25
EP0002868B1 EP0002868B1 (en) 1980-10-29

Family

ID=15640825

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19780200379 Expired EP0002868B1 (en) 1977-12-26 1978-12-18 Fire detector

Country Status (3)

Country Link
EP (1) EP0002868B1 (en)
JP (1) JPS5831038B2 (en)
DE (1) DE2860266D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2504875B (en) * 2011-06-18 2014-07-16 Custom Electronics Ltd Controlling smoke and heat evacuation and ventilation devices

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821734A (en) * 1972-07-17 1974-06-28 Cerberus Ag Fire alarm system with remote central station

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3821734A (en) * 1972-07-17 1974-06-28 Cerberus Ag Fire alarm system with remote central station

Also Published As

Publication number Publication date
EP0002868B1 (en) 1980-10-29
JPS5488797A (en) 1979-07-14
EP0002868A2 (en) 1979-07-11
DE2860266D1 (en) 1981-01-29
JPS5831038B2 (en) 1983-07-02

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Legal Events

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