HK1003605A1 - Fire detector with a detector of the light diffusion type and a detector of the ionization type - Google Patents
Fire detector with a detector of the light diffusion type and a detector of the ionization typeInfo
- Publication number
- HK1003605A1 HK1003605A1 HK98102623A HK98102623A HK1003605A1 HK 1003605 A1 HK1003605 A1 HK 1003605A1 HK 98102623 A HK98102623 A HK 98102623A HK 98102623 A HK98102623 A HK 98102623A HK 1003605 A1 HK1003605 A1 HK 1003605A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- detector
- type
- scattered
- light diffusion
- fire
- Prior art date
Links
- 238000009792 diffusion process Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 2
- 230000035945 sensitivity Effects 0.000 abstract 1
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4028188A DE4028188A1 (de) | 1990-09-05 | 1990-09-05 | Brandmelder mit einem streulicht- und einem ionisationssystem |
US07/845,916 US5351034A (en) | 1990-09-05 | 1992-03-04 | Fire detector |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1003605A1 true HK1003605A1 (en) | 1998-10-30 |
Family
ID=25896600
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK98102623A HK1003605A1 (en) | 1990-09-05 | 1998-03-27 | Fire detector with a detector of the light diffusion type and a detector of the ionization type |
Country Status (6)
Country | Link |
---|---|
US (1) | US5351034A (de) |
EP (1) | EP0475884B1 (de) |
AT (1) | ATE163328T1 (de) |
DE (2) | DE4028188A1 (de) |
ES (1) | ES2114883T3 (de) |
HK (1) | HK1003605A1 (de) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5670937A (en) * | 1995-05-16 | 1997-09-23 | General Signal Corporation | Line monitor for two wire data transmission |
US5721530A (en) * | 1995-05-16 | 1998-02-24 | General Signal Corporation | Stand alone mode for alarm-type module |
US5864286A (en) * | 1995-05-16 | 1999-01-26 | General Signal Corporation | Distributed intelligence alarm system having a two- tier monitoring process for detecting alarm conditions |
US5644293A (en) * | 1995-05-16 | 1997-07-01 | General Signal Corporation | Ground fault detection with location identification |
US5786757A (en) * | 1995-05-16 | 1998-07-28 | General Signal Corporation | Load shed scheme for two wire data transmission |
US5701115A (en) * | 1995-05-16 | 1997-12-23 | General Signal Corporation | Field programmable module personalities |
US5633501A (en) * | 1995-06-07 | 1997-05-27 | Pittway Corporation | Combination photoelectric and ionization smoke detector |
ATE230512T1 (de) * | 1998-01-21 | 2003-01-15 | Siemens Building Tech Ag | Optischer rauchmelder |
DE19845553C2 (de) * | 1998-10-02 | 2003-10-16 | Bosch Gmbh Robert | Brandmelder |
DE19942766B4 (de) * | 1999-09-08 | 2007-04-12 | Hekatron Technik Gmbh | Vorrichtung mit an eine Auswerteeinrichtung angeschlossenem Detektor |
JP3803047B2 (ja) * | 2001-09-27 | 2006-08-02 | ホーチキ株式会社 | 火災感知器 |
US6953936B2 (en) * | 2002-06-27 | 2005-10-11 | Honeywell International, Inc. | Ionization type smoke sensing chamber |
DE102005010454A1 (de) * | 2005-03-08 | 2006-09-21 | Robert Bosch Gmbh | Gassensor |
FR2970102B1 (fr) * | 2010-12-31 | 2012-12-28 | Jacques Lewiner | Detecteur de fumee |
DE102015004458B4 (de) | 2014-06-26 | 2016-05-12 | Elmos Semiconductor Aktiengesellschaft | Vorrichtung und Verfahren für einen klassifizierenden, rauchkammerlosen Luftzustandssensor zur Prognostizierung eines folgenden Betriebszustands |
DE102014019773B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mittels des Displays eines Mobiltelefons |
DE102014019172B4 (de) | 2014-12-17 | 2023-12-07 | Elmos Semiconductor Se | Vorrichtung und Verfahren zur Unterscheidung von festen Objekten, Kochdunst und Rauch mit einem kompensierenden optischen Messsystem |
US10078948B2 (en) * | 2016-01-26 | 2018-09-18 | Honeywell International Inc. | Smoke detector with a double optical chamber |
JP6896538B2 (ja) * | 2017-07-10 | 2021-06-30 | ホーチキ株式会社 | 警報装置 |
US11788942B2 (en) | 2017-12-15 | 2023-10-17 | Analog Devices, Inc. | Compact optical smoke detector system and apparatus |
US10809173B2 (en) * | 2017-12-15 | 2020-10-20 | Analog Devices, Inc. | Smoke detector chamber boundary surfaces |
US11796445B2 (en) | 2019-05-15 | 2023-10-24 | Analog Devices, Inc. | Optical improvements to compact smoke detectors, systems and apparatus |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3383670A (en) * | 1964-07-13 | 1968-05-14 | Gordon A. Roberts | Smoke and heat detection unit |
DE2734347B2 (de) * | 1977-07-29 | 1979-12-06 | Heimann Gmbh, 6200 Wiesbaden | Anordnung zum Nachweis von Schwebeteilchen |
DE2937686A1 (de) * | 1979-02-21 | 1980-09-11 | Gamewell Corp | Kombinationsdetektor |
BE881812A (nl) * | 1979-12-17 | 1980-06-16 | Cerberus Ag | Meldingsstelsel |
EP0039761A3 (de) * | 1980-05-09 | 1981-11-25 | Cerberus Ag | Verfahren zur Brandmeldung und Brandmeldeanlage |
US4319229A (en) * | 1980-06-09 | 1982-03-09 | Firecom, Inc. | Alarm system having plural diverse detection means |
US4469953A (en) * | 1982-02-02 | 1984-09-04 | Nittan Company, Limited | Combination ionization and photoelectric smoke detector |
JPS60148688U (ja) * | 1984-03-09 | 1985-10-02 | ホーチキ株式会社 | 散乱光式煙感知器 |
-
1990
- 1990-09-05 DE DE4028188A patent/DE4028188A1/de active Granted
-
1991
- 1991-09-03 EP EP91710029A patent/EP0475884B1/de not_active Expired - Lifetime
- 1991-09-03 DE DE59108937T patent/DE59108937D1/de not_active Expired - Lifetime
- 1991-09-03 ES ES91710029T patent/ES2114883T3/es not_active Expired - Lifetime
- 1991-09-03 AT AT91710029T patent/ATE163328T1/de not_active IP Right Cessation
-
1992
- 1992-03-04 US US07/845,916 patent/US5351034A/en not_active Expired - Lifetime
-
1998
- 1998-03-27 HK HK98102623A patent/HK1003605A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59108937D1 (de) | 1998-03-26 |
EP0475884B1 (de) | 1998-02-18 |
EP0475884A1 (de) | 1992-03-18 |
ATE163328T1 (de) | 1998-03-15 |
ES2114883T3 (es) | 1998-06-16 |
DE4028188C2 (de) | 1992-10-15 |
DE4028188A1 (de) | 1992-03-12 |
US5351034A (en) | 1994-09-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Change of ownership |
Owner name: ESSER-EFFEFF ALARM GMBH Free format text: FORMER OWNER(S): ESSER SECURITY SYSTEMS GMBH |
|
CHPA | Change of a particular in the register (except of change of ownership) | ||
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20110902 |