DE69726545D1 - Rauchmelder - Google Patents
RauchmelderInfo
- Publication number
- DE69726545D1 DE69726545D1 DE69726545T DE69726545T DE69726545D1 DE 69726545 D1 DE69726545 D1 DE 69726545D1 DE 69726545 T DE69726545 T DE 69726545T DE 69726545 T DE69726545 T DE 69726545T DE 69726545 D1 DE69726545 D1 DE 69726545D1
- Authority
- DE
- Germany
- Prior art keywords
- smoke detector
- smoke
- detector
- 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 - Lifetime
Links
Classifications
-
- 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
- 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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/734,897 US5781291A (en) | 1996-10-22 | 1996-10-22 | Smoke detectors utilizing a hydrophilic substance |
US734897 | 1996-10-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69726545D1 true DE69726545D1 (de) | 2004-01-15 |
DE69726545T2 DE69726545T2 (de) | 2004-11-25 |
Family
ID=24953497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69726545T Expired - Lifetime DE69726545T2 (de) | 1996-10-22 | 1997-10-22 | Rauchmelder |
Country Status (8)
Country | Link |
---|---|
US (1) | US5781291A (de) |
EP (1) | EP0838794B1 (de) |
JP (1) | JPH10188165A (de) |
CN (1) | CN1119773C (de) |
AU (1) | AU725918B2 (de) |
CA (1) | CA2219179C (de) |
DE (1) | DE69726545T2 (de) |
ZA (1) | ZA979384B (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6057774A (en) * | 1999-01-21 | 2000-05-02 | Brk Brands, Inc. | Smoke alarm with anti-dust screen |
EP1194908A4 (de) * | 1999-03-05 | 2004-10-13 | Brk Brands Inc | Photoelektrische rauchmeldung mit ultrkurzer wellenlänge |
US6377183B1 (en) * | 1999-06-17 | 2002-04-23 | The Boeing Company | Smoke detector having a moisture compensating device |
DE19955362B4 (de) * | 1999-11-17 | 2004-07-08 | Wagner Alarm- Und Sicherungssysteme Gmbh | Streulichtdetektor |
US7439855B1 (en) * | 2005-05-13 | 2008-10-21 | Yufa Aleksandr L | Method and wireless communicating apparatus for analysis of environment |
CN100561181C (zh) * | 2006-06-30 | 2009-11-18 | 中国科学技术大学 | 一种火灾烟颗粒斯托克斯散射矩阵测量方法及装置 |
KR100823281B1 (ko) * | 2006-09-29 | 2008-04-21 | 삼성전자주식회사 | 컨텐츠 재생 방법 및 장치 |
GB2477763A (en) * | 2010-02-11 | 2011-08-17 | Thorn Security | Fire detector with a component including a contaminant-resistant surface |
US8397586B2 (en) | 2010-03-22 | 2013-03-19 | Honeywell International Inc. | Flow sensor assembly with porous insert |
US8656772B2 (en) | 2010-03-22 | 2014-02-25 | Honeywell International Inc. | Flow sensor with pressure output signal |
US8113046B2 (en) | 2010-03-22 | 2012-02-14 | Honeywell International Inc. | Sensor assembly with hydrophobic filter |
US8756990B2 (en) | 2010-04-09 | 2014-06-24 | Honeywell International Inc. | Molded flow restrictor |
US8418549B2 (en) | 2011-01-31 | 2013-04-16 | Honeywell International Inc. | Flow sensor assembly with integral bypass channel |
US9003877B2 (en) | 2010-06-15 | 2015-04-14 | Honeywell International Inc. | Flow sensor assembly |
JP2012128777A (ja) * | 2010-12-17 | 2012-07-05 | Century Corp | 火災警報器 |
US8695417B2 (en) | 2011-01-31 | 2014-04-15 | Honeywell International Inc. | Flow sensor with enhanced flow range capability |
US9052217B2 (en) | 2012-11-09 | 2015-06-09 | Honeywell International Inc. | Variable scale sensor |
FR3000268B1 (fr) * | 2012-12-21 | 2016-03-25 | Finsecur | Dispositif de detection de fumee |
US9952079B2 (en) | 2015-07-15 | 2018-04-24 | Honeywell International Inc. | Flow sensor |
CN108734917A (zh) * | 2018-06-15 | 2018-11-02 | 东莞茂强电子科技有限公司 | 一种防止水雾引发报警的烟雾报警器及其防止误报的方法 |
US11796445B2 (en) | 2019-05-15 | 2023-10-24 | Analog Devices, Inc. | Optical improvements to compact smoke detectors, systems and apparatus |
US11747272B2 (en) | 2019-06-10 | 2023-09-05 | Analog Devices, Inc. | Gas detection using differential path length measurement |
EP3907714B1 (de) | 2020-05-08 | 2024-02-21 | Carrier Corporation | Kondensationsverhinderung in einem ansaugrauchmeldesystem |
US11821836B2 (en) | 2020-07-13 | 2023-11-21 | Analog Devices, Inc. | Fully compensated optical gas sensing system and apparatus |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3961195A (en) * | 1974-08-26 | 1976-06-01 | Timothy John Newington | Fire detector having means for heating the support member of an electrode to prevent formation of moisture thereon |
DE4307585C1 (de) * | 1993-03-10 | 1994-03-10 | Siemens Ag | Verfahren und Vorrichtung zur Kompensation der Feuchtigkeit in einem Streulichtmelder |
-
1996
- 1996-10-22 US US08/734,897 patent/US5781291A/en not_active Expired - Lifetime
-
1997
- 1997-10-20 ZA ZA9709384A patent/ZA979384B/xx unknown
- 1997-10-22 DE DE69726545T patent/DE69726545T2/de not_active Expired - Lifetime
- 1997-10-22 AU AU42800/97A patent/AU725918B2/en not_active Ceased
- 1997-10-22 EP EP97308393A patent/EP0838794B1/de not_active Expired - Lifetime
- 1997-10-22 JP JP9326884A patent/JPH10188165A/ja active Pending
- 1997-10-22 CA CA002219179A patent/CA2219179C/en not_active Expired - Fee Related
- 1997-10-22 CN CN97119085A patent/CN1119773C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ZA979384B (en) | 1998-05-12 |
CA2219179C (en) | 2003-07-08 |
AU4280097A (en) | 1998-04-30 |
CA2219179A1 (en) | 1998-04-22 |
US5781291A (en) | 1998-07-14 |
EP0838794A1 (de) | 1998-04-29 |
CN1119773C (zh) | 2003-08-27 |
CN1184298A (zh) | 1998-06-10 |
JPH10188165A (ja) | 1998-07-21 |
DE69726545T2 (de) | 2004-11-25 |
EP0838794B1 (de) | 2003-12-03 |
AU725918B2 (en) | 2000-10-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8332 | No legal effect for de | ||
8370 | Indication of lapse of patent is to be deleted | ||
8364 | No opposition during term of opposition |