SE8402298D0 - Fire alarm system - Google Patents

Fire alarm system

Info

Publication number
SE8402298D0
SE8402298D0 SE8402298A SE8402298A SE8402298D0 SE 8402298 D0 SE8402298 D0 SE 8402298D0 SE 8402298 A SE8402298 A SE 8402298A SE 8402298 A SE8402298 A SE 8402298A SE 8402298 D0 SE8402298 D0 SE 8402298D0
Authority
SE
Sweden
Prior art keywords
smoke
density
fire
time period
smoke density
Prior art date
Application number
SE8402298A
Other languages
English (en)
Other versions
SE8402298L (sv
SE457579B (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/sv
Publication of SE8402298L publication Critical patent/SE8402298L/sv
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 true SE8402298D0 (sv) 1984-04-26
SE8402298L SE8402298L (sv) 1984-12-13
SE457579B 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 (sv)
JP (1) JPS59201193A (sv)
DE (1) DE3415786C3 (sv)
SE (1) SE457579B (sv)

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US5557262A (en) * 1995-06-07 1996-09-17 Pittway Corporation Fire alarm system with different types of sensors and dynamic system parameters
JP3184429B2 (ja) * 1995-06-30 2001-07-09 ホーチキ株式会社 防災監視システムの端末感知装置
EP0818765A1 (en) * 1996-07-10 1998-01-14 Pittway Corporation Multiple sensor detector and method of locally determining a potential alarm condition
JP3784906B2 (ja) * 1997-02-14 2006-06-14 ホーチキ株式会社 相互監視システム
GB2347772B (en) * 1999-03-12 2003-05-07 Manhar Amlani Fire alarm system
US6229449B1 (en) 1999-04-29 2001-05-08 Darren S. Kirchner Detector apparatus
US8144671B2 (en) 2005-07-01 2012-03-27 Twitchell Jr Robert W Communicating via nondeterministic and deterministic network routing
US7167088B2 (en) * 2002-05-10 2007-01-23 Simplexgrinnell Lp Wireless walk through test system
US7135161B2 (en) * 2003-09-04 2006-11-14 University Of Florida Research Foundation, Inc. Method of producing nanosized oxide powders
US7324004B2 (en) * 2003-10-29 2008-01-29 Honeywell International, Inc. Cargo smoke detector and related method for reducing false detects
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US7102505B2 (en) * 2004-05-27 2006-09-05 Lawrence Kates Wireless sensor system
US7561057B2 (en) 2004-05-27 2009-07-14 Lawrence Kates Method and apparatus for detecting severity of water leaks
US20050262923A1 (en) * 2004-05-27 2005-12-01 Lawrence Kates Method and apparatus for detecting conditions favorable for growth of fungus
US7623028B2 (en) 2004-05-27 2009-11-24 Lawrence Kates System and method for high-sensitivity sensor
US7102504B2 (en) * 2004-05-27 2006-09-05 Lawrence Kates Wireless sensor monitoring unit
US7042352B2 (en) * 2004-05-27 2006-05-09 Lawrence Kates Wireless repeater for sensor system
US7142107B2 (en) 2004-05-27 2006-11-28 Lawrence Kates Wireless sensor unit
US7218237B2 (en) 2004-05-27 2007-05-15 Lawrence Kates Method and apparatus for detecting water leaks
US7228726B2 (en) 2004-09-23 2007-06-12 Lawrence Kates System and method for utility metering and leak detection
CA2584499C (en) * 2004-10-18 2013-08-06 Walter Kidde Portable Equipment, Inc. Gateway device to interconnect system including life safety devices
CA2584463C (en) 2004-10-18 2014-07-22 Walter Kidde Portable Equipment, Inc. Frequency communications scheme in life safety devices
ATE453905T1 (de) 2004-10-18 2010-01-15 Kidde Portable Equipment Inc Warnungs-silencing bei niedrigem batteriestand in lebenserhaltenden vorrichtungen
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
US20070109138A1 (en) * 2005-10-25 2007-05-17 Scott Farrell System and method for detecting leaks in sealed compartments
US7528711B2 (en) 2005-12-19 2009-05-05 Lawrence Kates Portable monitoring unit
WO2009140669A2 (en) 2008-05-16 2009-11-19 Terahop Networks, Inc. Securing, monitoring and tracking shipping containers
DK200801846A (en) 2008-12-30 2010-07-01 Alfa Laval Corp Ab A decanter centrifuge with a slide valve body
DK200801848A (en) 2008-12-30 2010-07-01 Alfa Laval Corp Ab A decanter centrifuge and a decanter centrifuge discharge port memeber.
EP2659468B1 (en) * 2010-12-30 2016-04-06 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO A system, a processing unit, a method and a computer program product for monitoring sensors
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***及其逃生指引方法
US9613533B2 (en) * 2012-12-12 2017-04-04 Honda Motor Co., Ltd. Parking space detector
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
US9514631B2 (en) 2013-07-18 2016-12-06 Google Inc. Multiple procesor hazard detection system
EP3392854A1 (de) * 2017-11-03 2018-10-24 Siemens Schweiz AG Verfahren zur automatischen einstellung eines brandmelders, system mit einem automatisch einstellbaren brandmelder und computerprogramm mit einer implementation des verfahrens
US11361643B2 (en) 2018-07-13 2022-06-14 Carrier Corporation High sensitivity fiber optic based detection system
WO2020010596A1 (en) 2018-07-13 2020-01-16 Carrier Corporation High sensitivity fiber optic based detection system
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

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Also Published As

Publication number Publication date
US4556873A (en) 1985-12-03
JPS59201193A (ja) 1984-11-14
SE8402298L (sv) 1984-12-13
DE3415786C2 (sv) 1994-07-07
DE3415786A1 (de) 1984-11-29
SE457579B (sv) 1989-01-09
JPH0241075B2 (sv) 1990-09-14
DE3415786C3 (de) 1994-07-07

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