DE3274690D1 - Fire alarm system - Google Patents

Fire alarm system

Info

Publication number
DE3274690D1
DE3274690D1 DE8282105866T DE3274690T DE3274690D1 DE 3274690 D1 DE3274690 D1 DE 3274690D1 DE 8282105866 T DE8282105866 T DE 8282105866T DE 3274690 T DE3274690 T DE 3274690T DE 3274690 D1 DE3274690 D1 DE 3274690D1
Authority
DE
Germany
Prior art keywords
alarm system
fire alarm
fire
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.)
Expired
Application number
DE8282105866T
Other languages
English (en)
Inventor
Hideo C O Nohmi Bosai Kog Itoh
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
Application granted granted Critical
Publication of DE3274690D1 publication Critical patent/DE3274690D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
DE8282105866T 1981-07-02 1982-07-01 Fire alarm system Expired DE3274690D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10230581A JPS585896A (ja) 1981-07-02 1981-07-02 火災報知設備

Publications (1)

Publication Number Publication Date
DE3274690D1 true DE3274690D1 (en) 1987-01-22

Family

ID=14323888

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282105866T Expired DE3274690D1 (en) 1981-07-02 1982-07-01 Fire alarm system

Country Status (3)

Country Link
EP (1) EP0071752B1 (de)
JP (1) JPS585896A (de)
DE (1) DE3274690D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6065398A (ja) * 1983-09-20 1985-04-15 ホーチキ株式会社 火災警報装置
JPS59214997A (ja) * 1983-05-20 1984-12-04 ニツタン株式会社 火災警報装置
JPS6019299A (ja) * 1983-07-14 1985-01-31 沖電気防災株式会社 警報信号方式
DE3478654D1 (en) * 1984-06-05 1989-07-13 Siemens Ag Method of and device for identifying an alarm triggering sensor in a danger signalling device
JPS6154596A (ja) * 1984-08-25 1986-03-18 松下電工株式会社 自火報システム
SE9504260D0 (sv) * 1995-11-28 1995-11-28 Willy Weymann Detektor
GB2321747B (en) * 1997-01-30 2000-10-18 Rafiki Protection Limited Alarm system
FR2897968B1 (fr) 2006-02-24 2008-11-21 Airbus France Sas Systeme de detection d'incendie et aeronef equipe d'un tel systeme
CN104008625A (zh) * 2014-05-21 2014-08-27 关宏 一种图像智能火灾疏散系统

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1338470A (en) * 1970-10-21 1973-11-21 Preussag Ag Feuerschutz Method and apparatus for avoiding false fire alarms
DE2261179C3 (de) * 1972-12-14 1978-11-16 Preussag Ag Feuerschutz, 2060 Bad Oldesloe Meldeeinrichtung, insbesondere zur Brandmeldung
US4162483A (en) * 1977-04-01 1979-07-24 Intech Laboratories, Inc. Bilateral master station-plural satellite station signalling apparatus
GB2030336B (en) * 1978-09-06 1982-11-10 Wolsey Emergency Audio Communi Emergnecy alarm systems

Also Published As

Publication number Publication date
JPS6355120B2 (de) 1988-11-01
JPS585896A (ja) 1983-01-13
EP0071752B1 (de) 1986-12-10
EP0071752A1 (de) 1983-02-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee