NO810740L - Brannvarslingsystem. - Google Patents

Brannvarslingsystem.

Info

Publication number
NO810740L
NO810740L NO810740A NO810740A NO810740L NO 810740 L NO810740 L NO 810740L NO 810740 A NO810740 A NO 810740A NO 810740 A NO810740 A NO 810740A NO 810740 L NO810740 L NO 810740L
Authority
NO
Norway
Prior art keywords
fire
signal
sensitivity
relay
operates
Prior art date
Application number
NO810740A
Other languages
English (en)
Norwegian (no)
Inventor
Haruchika Machida
Original Assignee
Hochiki Co
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 Hochiki Co filed Critical Hochiki Co
Publication of NO810740L publication Critical patent/NO810740L/no

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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
NO810740A 1980-03-19 1981-03-04 Brannvarslingsystem. NO810740L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3510880A JPS56132690A (en) 1980-03-19 1980-03-19 Fire detector

Publications (1)

Publication Number Publication Date
NO810740L true NO810740L (no) 1981-09-21

Family

ID=12432728

Family Applications (1)

Application Number Title Priority Date Filing Date
NO810740A NO810740L (no) 1980-03-19 1981-03-04 Brannvarslingsystem.

Country Status (7)

Country Link
US (1) US4388616A (da)
EP (1) EP0036276A3 (da)
JP (1) JPS56132690A (da)
AU (1) AU525159B2 (da)
DK (1) DK101281A (da)
FI (1) FI810672L (da)
NO (1) NO810740L (da)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4470047A (en) * 1982-02-04 1984-09-04 Baker Industries, Inc. Bidirectional, interactive fire detection system
US4679156A (en) * 1981-05-21 1987-07-07 Santa Barbara Research Center Microprocessor-controlled fire sensor
JPS59173898A (ja) * 1983-03-23 1984-10-02 能美防災株式会社 家庭用などの火災報知機
JPH0610837B2 (ja) * 1983-03-31 1994-02-09 能美防災株式会社 火災感知装置
JPS59201193A (ja) * 1983-04-30 1984-11-14 松下電工株式会社 火報システム
GB8324136D0 (en) * 1983-09-09 1983-10-12 Graviner Ltd Fire and explosion detection and suppression
GB8431883D0 (en) * 1984-12-18 1985-01-30 Gent Ltd Transmission system
JPS61237197A (ja) * 1985-04-12 1986-10-22 ホーチキ株式会社 火災警報装置
US4675541A (en) * 1986-02-07 1987-06-23 Peters Henry T Automatic fire prevention system
JPS62215848A (ja) * 1986-03-18 1987-09-22 Hochiki Corp 感知装置
JPS6455696A (en) * 1987-08-26 1989-03-02 Hochiki Co Fire judging device
IE872812L (en) * 1987-10-20 1989-04-20 Winsju Ltd Control unit for an alarm system
US4916432A (en) * 1987-10-21 1990-04-10 Pittway Corporation Smoke and fire detection system communication
US4977527A (en) * 1988-04-14 1990-12-11 Fike Corporation Threshold compensation and calibration in distributed environmental detection system for fire detection and suppression
US5105371A (en) * 1988-04-14 1992-04-14 Fike Corporation Environmental detection system useful for fire detection and suppression
CH677413A5 (da) * 1988-06-10 1991-05-15 Cerberus Ag
JPH0237492A (ja) * 1988-07-27 1990-02-07 Yamatake Honeywell Co Ltd 火災検出方法及び装置
EP0419668B1 (en) * 1989-01-25 1996-03-20 Nohmi Bosai Kabushiki Kaisha Fire alarm system
US5189399A (en) * 1989-02-18 1993-02-23 Hartwig Beyersdorf Method of operating an ionization smoke alarm and ionization smoke alarm
US4984637A (en) * 1989-06-23 1991-01-15 Finnigan Wilfred J Electronic fire protection system
US5051723A (en) * 1989-09-29 1991-09-24 George E. Long Signalling system with ambient condition reference monitoring
GB2239952B (en) * 1989-12-15 1994-09-21 Para Mech Limited Refrigerant Detection
JP3231886B2 (ja) * 1993-03-31 2001-11-26 能美防災株式会社 光電式火災感知器
AU5097093A (en) * 1993-08-30 1995-03-22 Gaztech International Corporation Adaptive fire detector
US5483222A (en) * 1993-11-15 1996-01-09 Pittway Corporation Multiple sensor apparatus and method
US5627515A (en) * 1995-02-24 1997-05-06 Pittway Corporation Alarm system with multiple cooperating sensors
US5557262A (en) * 1995-06-07 1996-09-17 Pittway Corporation Fire alarm system with different types of sensors and dynamic system parameters
US5726633A (en) * 1995-09-29 1998-03-10 Pittway Corporation Apparatus and method for discrimination of fire types
US6622115B1 (en) * 2000-04-28 2003-09-16 International Business Machines Corporation Managing an environment according to environmental preferences retrieved from a personal storage device
US6636808B1 (en) 2000-04-28 2003-10-21 International Business Machines Corporation Managing an environment via a universally accessible server system
US6604023B1 (en) 2000-04-28 2003-08-05 International Business Machines Corporation Managing an environment utilizing a portable data processing system
GB2457251A (en) * 2008-02-06 2009-08-12 Ritchie Colin Peter Macefield Smoke alarm with timer to detect smoke only during specific hours of the day
US8446285B2 (en) * 2008-02-08 2013-05-21 Siemens Industry, Inc. Methods and apparatus for controlling and testing a notification appliance circuit
CN102750800B (zh) * 2012-06-27 2013-09-25 张金木 一种火灾自动报警系统
JP2016148985A (ja) * 2015-02-12 2016-08-18 ホーチキ株式会社 防災機器システム
CN115762038A (zh) * 2015-07-13 2023-03-07 开利公司 安全自动化系统
CN105336083B (zh) * 2015-12-03 2018-06-29 山东大学 基于机敏材料的隧道火灾预警传感器及其路面布设系统
EP4071732A1 (en) 2021-04-05 2022-10-12 Carrier Corporation Fire system with current response calibration
CN114849108B (zh) * 2022-07-06 2022-11-11 四川坤弘远祥科技有限公司 一种非贮压式抑爆系统的控制系统
CN116612597A (zh) * 2023-06-26 2023-08-18 海南省林业科学研究院(海南省红树林研究院) 一种基于数据分析的森林火灾监测预警系统

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT952181B (it) * 1971-03-22 1973-07-20 Oak Electro Netics Corp Perfezionamento nei sistemi di allarme antifurto
JPS4912799A (da) * 1972-05-13 1974-02-04
DE2341087C3 (de) * 1973-08-14 1979-09-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Automatische Brandmeldeanlage
JPS50123299A (da) * 1974-03-15 1975-09-27
SE391250B (sv) * 1974-11-26 1977-02-07 Saab Scania Ab Bevakningsanleggning, innefattande en centralenhet, somŸvia en kommunikationskanal er forbunden med ett flertal lokala terminalenheter
US4097851A (en) * 1976-07-19 1978-06-27 Pittway Corporation Sensitivity compensated fire detector
US4101785A (en) * 1977-05-19 1978-07-18 Chloride, Incorporated Smoke detector with switch means for increasing the sensitivity
DE2818211A1 (de) * 1977-09-19 1979-03-22 Fega Werk Ag Schlieren Anordnung zur alarmauswertung bei brandausbruch
JPS54150098A (en) * 1978-05-18 1979-11-24 Hochiki Co Flame detector
US4228424A (en) * 1978-10-16 1980-10-14 Baker Protective Services, Incorporated Central station alarm
FR2457017A1 (fr) * 1979-02-14 1980-12-12 Accumulateurs Fixes Matiere active positive pour generateur electrochimique a electrolyte non aqueux

Also Published As

Publication number Publication date
AU525159B2 (en) 1982-10-21
DK101281A (da) 1981-09-20
AU6807781A (en) 1981-09-24
EP0036276A3 (en) 1982-05-26
EP0036276A2 (en) 1981-09-23
US4388616A (en) 1983-06-14
FI810672L (fi) 1981-09-20
JPS56132690A (en) 1981-10-17

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