SE457579B - Brandalarmsystem med ett flertal roekdetektorer - Google Patents

Brandalarmsystem med ett flertal roekdetektorer

Info

Publication number
SE457579B
SE457579B SE8402298A SE8402298A SE457579B SE 457579 B SE457579 B SE 457579B SE 8402298 A SE8402298 A SE 8402298A SE 8402298 A SE8402298 A SE 8402298A SE 457579 B SE457579 B SE 457579B
Authority
SE
Sweden
Prior art keywords
smoke
fire
density
level
detectors
Prior art date
Application number
SE8402298A
Other languages
English (en)
Swedish (sv)
Other versions
SE8402298L (sv
SE8402298D0 (sv
Inventor
K Yamada
K Murakami
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Publication of SE8402298D0 publication Critical patent/SE8402298D0/xx
Publication of SE8402298L publication Critical patent/SE8402298L/xx
Publication of SE457579B publication Critical patent/SE457579B/sv

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
    • G08B25/002—Generating a prealarm to the central station
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
    • 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
    • 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
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fire Alarms (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Alarm Systems (AREA)
SE8402298A 1983-04-30 1984-04-26 Brandalarmsystem med ett flertal roekdetektorer SE457579B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58076826A JPS59201193A (ja) 1983-04-30 1983-04-30 火報システム

Publications (3)

Publication Number Publication Date
SE8402298D0 SE8402298D0 (sv) 1984-04-26
SE8402298L SE8402298L (sv) 1984-12-13
SE457579B true SE457579B (sv) 1989-01-09

Family

ID=13616478

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8402298A SE457579B (sv) 1983-04-30 1984-04-26 Brandalarmsystem med ett flertal roekdetektorer

Country Status (4)

Country Link
US (1) US4556873A (en, 2012)
JP (1) JPS59201193A (en, 2012)
DE (1) DE3415786C3 (en, 2012)
SE (1) SE457579B (en, 2012)

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US7218237B2 (en) 2004-05-27 2007-05-15 Lawrence Kates Method and apparatus for detecting water leaks
US7561057B2 (en) 2004-05-27 2009-07-14 Lawrence Kates Method and apparatus for detecting severity of water leaks
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US7042352B2 (en) * 2004-05-27 2006-05-09 Lawrence Kates Wireless repeater for sensor system
US7623028B2 (en) 2004-05-27 2009-11-24 Lawrence Kates System and method for high-sensitivity sensor
US7228726B2 (en) 2004-09-23 2007-06-12 Lawrence Kates System and method for utility metering and leak detection
CA2584463C (en) 2004-10-18 2014-07-22 Walter Kidde Portable Equipment, Inc. Frequency communications scheme in life safety devices
CA2584499C (en) * 2004-10-18 2013-08-06 Walter Kidde Portable Equipment, Inc. Gateway device to interconnect system including life safety devices
US7508314B2 (en) 2004-10-18 2009-03-24 Walter Kidde Portable Equipment, Inc. Low battery warning silencing in life safety devices
US7336168B2 (en) 2005-06-06 2008-02-26 Lawrence Kates System and method for variable threshold sensor
US7230528B2 (en) 2005-09-20 2007-06-12 Lawrence Kates Programmed wireless sensor system
US7142123B1 (en) 2005-09-23 2006-11-28 Lawrence Kates Method and apparatus for detecting moisture in building materials
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CN103403775B (zh) * 2010-12-30 2016-03-30 荷兰应用自然科学研究组织Tno 用于监控传感器的系统、处理单元、方法
US9162095B2 (en) 2011-03-09 2015-10-20 Alan E. Thomas Temperature-based fire detection
CN102688566B (zh) * 2011-03-24 2014-06-18 鸿富锦精密工业（深圳）有限公司 火灾指引逃生系统及其逃生指引方法
WO2014091858A1 (ja) * 2012-12-12 2014-06-19 本田技研工業株式会社 駐車スペース検出装置
JP6225462B2 (ja) * 2013-04-12 2017-11-08 パナソニックＩｐマネジメント株式会社 防災受信システム
US9728052B2 (en) * 2013-04-22 2017-08-08 Electronics And Telecommunications Research Institute Digital signage system and emergency alerting method using same
CN105556582B (zh) 2013-07-18 2019-02-22 谷歌有限责任公司 用于多标准警报的系统和方法
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US11361643B2 (en) 2018-07-13 2022-06-14 Carrier Corporation High sensitivity fiber optic based detection system
EP3821411A4 (en) * 2018-07-13 2022-07-06 Carrier Corporation DETECTION SYSTEM BASED ON A HIGH SENSITIVITY OPTICAL FIBER
CN111724562B (zh) * 2020-06-05 2021-11-16 珠海格力电器股份有限公司 一种烟雾报警器及其修正方法
CN118430172B (zh) * 2024-05-10 2024-10-25 中国矿业大学 一种建筑火灾的监控预警方法及系统
CN119888986B (zh) * 2025-03-27 2025-05-27 阳江核电有限公司 一种火灾探测器的状态检测方法、装置、设备及介质

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Also Published As

Publication number Publication date
US4556873A (en) 1985-12-03
SE8402298L (sv) 1984-12-13
DE3415786C3 (de) 1994-07-07
DE3415786A1 (de) 1984-11-29
JPS59201193A (ja) 1984-11-14
DE3415786C2 (en, 2012) 1994-07-07
JPH0241075B2 (en, 2012) 1990-09-14
SE8402298D0 (sv) 1984-04-26

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