ATE527640T1 - Schaltkreis zum überwachen und steuern der quelle von strahlungsenergie in einem rauchdetektor - Google Patents

Schaltkreis zum überwachen und steuern der quelle von strahlungsenergie in einem rauchdetektor

Info

Publication number
ATE527640T1
ATE527640T1 AT10167088T AT10167088T ATE527640T1 AT E527640 T1 ATE527640 T1 AT E527640T1 AT 10167088 T AT10167088 T AT 10167088T AT 10167088 T AT10167088 T AT 10167088T AT E527640 T1 ATE527640 T1 AT E527640T1
Authority
AT
Austria
Prior art keywords
radiant energy
source
circuit
smoke detector
monitoring
Prior art date
Application number
AT10167088T
Other languages
English (en)
Inventor
Mark C Bohanon
Original Assignee
Honeywell Int Inc
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 Honeywell Int Inc filed Critical Honeywell Int Inc
Application granted granted Critical
Publication of ATE527640T1 publication Critical patent/ATE527640T1/de

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
AT10167088T 2009-06-29 2010-06-23 Schaltkreis zum überwachen und steuern der quelle von strahlungsenergie in einem rauchdetektor ATE527640T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/493,875 US8289177B2 (en) 2009-06-29 2009-06-29 Circuitry to monitor and control source of radiant energy in smoke detector

Publications (1)

Publication Number Publication Date
ATE527640T1 true ATE527640T1 (de) 2011-10-15

Family

ID=42975570

Family Applications (1)

Application Number Title Priority Date Filing Date
AT10167088T ATE527640T1 (de) 2009-06-29 2010-06-23 Schaltkreis zum überwachen und steuern der quelle von strahlungsenergie in einem rauchdetektor

Country Status (5)

Country Link
US (1) US8289177B2 (de)
EP (2) EP2325821A1 (de)
CN (1) CN101936880B (de)
AT (1) ATE527640T1 (de)
AU (1) AU2010202665B2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2964743B1 (fr) * 2010-09-14 2015-06-26 Finsecur Circuit de detection de fumee, detecteur de fumee le comportant et dispositif d'alarme les comportant.
US9638482B2 (en) 2013-05-22 2017-05-02 Texas Instruments Incorporated Digital detector
US9459208B2 (en) * 2013-10-04 2016-10-04 Tyco Fire & Security Gmbh Duct detector with remote airflow test capability
EP3576063A3 (de) * 2015-08-13 2020-01-29 Siemens Schweiz AG Rauchdetektionseinheit mit leuchtdiode und photoempfänger, und mit einem in der leuchtdiode angeordneten led-chip und photosensor zur bestimmung eines alterungsgrads und/oder eines lichtstromkompensationswerts, sowie eine leuchtdiode
CN107334528A (zh) * 2017-08-17 2017-11-10 拓普能量（天津）科技有限公司 一种通用医用穿刺器检验系统
US11846588B2 (en) * 2019-11-27 2023-12-19 Xuedan WU Detection component of the photoelectric smoke detection fire alarm
US11913864B2 (en) * 2020-11-24 2024-02-27 Pixart Imaging Inc. Smoke detector with increased scattered light intensity
US11615684B2 (en) * 2020-11-24 2023-03-28 Pixart Imaging Inc. Smoke detector

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2006371A1 (de) 1970-02-09 1971-08-19 Euratom Rauchdetektor
US4185278A (en) 1977-09-22 1980-01-22 HF Systems, Incorporated Obscuration type smoke detector
US5352901A (en) * 1993-04-26 1994-10-04 Cummins Electronics Company, Inc. Forward and back scattering loss compensated smoke detector
US6501810B1 (en) * 1998-10-13 2002-12-31 Agere Systems Inc. Fast frame synchronization
US5546074A (en) * 1993-08-19 1996-08-13 Sentrol, Inc. Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy
US5926098A (en) * 1996-10-24 1999-07-20 Pittway Corporation Aspirated detector
US5969600A (en) * 1997-02-19 1999-10-19 Ranco Inc. Of Delware Dangerous condition warning device incorporating a time-limited hush mode of operation to defeat an audible low battery warning signal
US6876305B2 (en) 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
EP1769473B1 (de) * 2004-07-09 2012-10-03 Tyco Safety Products Canada Ltd. Kalibrierung eines rauchmelders
GB2423357A (en) * 2005-02-22 2006-08-23 Thorn Security A self-monitoring smoke detector
CN1917331A (zh) * 2005-07-04 2007-02-21 松下电器产业株式会社 无线型传送装置、容纳容器、发送接收系统和发送接收方法

Also Published As

Publication number Publication date
EP2278568A1 (de) 2011-01-26
EP2278568B1 (de) 2011-10-05
CN101936880A (zh) 2011-01-05
AU2010202665B2 (en) 2014-10-09
US8289177B2 (en) 2012-10-16
US20100328085A1 (en) 2010-12-30
EP2325821A1 (de) 2011-05-25
AU2010202665A1 (en) 2011-01-20
CN101936880B (zh) 2015-09-23

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties