EP1194908A4 - Ultra-short wavelength photoelectric smoke detector - Google Patents
Ultra-short wavelength photoelectric smoke detectorInfo
- Publication number
- EP1194908A4 EP1194908A4 EP00914824A EP00914824A EP1194908A4 EP 1194908 A4 EP1194908 A4 EP 1194908A4 EP 00914824 A EP00914824 A EP 00914824A EP 00914824 A EP00914824 A EP 00914824A EP 1194908 A4 EP1194908 A4 EP 1194908A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ultra
- short wavelength
- smoke detector
- photoelectric smoke
- wavelength photoelectric
- 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.)
- Withdrawn
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
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12298199P | 1999-03-05 | 1999-03-05 | |
US122981P | 1999-03-05 | ||
PCT/US2000/005734 WO2001095279A1 (en) | 1999-03-05 | 2000-03-03 | Ultra-short wavelength photoelectric smoke detector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1194908A1 EP1194908A1 (en) | 2002-04-10 |
EP1194908A4 true EP1194908A4 (en) | 2004-10-13 |
Family
ID=22406036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00914824A Withdrawn EP1194908A4 (en) | 1999-03-05 | 2000-03-03 | Ultra-short wavelength photoelectric smoke detector |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1194908A4 (en) |
WO (1) | WO2001095279A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100394456C (en) * | 2004-04-06 | 2008-06-11 | 诺瓦尔有限公司 | Fire disaster identifying method and fire alarm therefor |
US9915600B2 (en) | 2016-02-19 | 2018-03-13 | Research Triangle Institute | Devices, systems and methods for detecting particles |
CA2957725C (en) * | 2014-08-20 | 2023-03-07 | Research Triangle Institute | Devices, systems and methods for detecting particles |
DE102014014797A1 (en) * | 2014-10-10 | 2015-09-17 | Apparatebau Gauting Gmbh | Scatter fire alarm |
US10809173B2 (en) * | 2017-12-15 | 2020-10-20 | Analog Devices, Inc. | Smoke detector chamber boundary surfaces |
KR102638997B1 (en) * | 2017-12-15 | 2024-02-20 | 아나로그 디바이시즈 인코포레이티드 | Compact optical smoke detector system and apparatus |
US11788942B2 (en) | 2017-12-15 | 2023-10-17 | Analog Devices, Inc. | Compact optical smoke detector system and apparatus |
US10921367B2 (en) | 2019-03-06 | 2021-02-16 | Analog Devices, Inc. | Stable measurement of sensors methods and systems |
US11047787B2 (en) | 2019-04-29 | 2021-06-29 | Research Triangle Institute | And method for optical bench for detecting particles |
US11796445B2 (en) | 2019-05-15 | 2023-10-24 | Analog Devices, Inc. | Optical improvements to compact smoke detectors, systems and apparatus |
US11127284B1 (en) | 2020-07-02 | 2021-09-21 | Honeywell International Inc. | Self-calibrating fire sensing device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5741595A (en) * | 1995-11-17 | 1998-04-21 | Sony Corporation | Ultraviolet optical part having coat of ultraviolet optical thin film, and wavelength-changing device and ultraviolet light source unit having coat of ultraviolet optical thin film |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3982130A (en) * | 1975-10-10 | 1976-09-21 | The United States Of America As Represented By The Secretary Of The Air Force | Ultraviolet wavelength smoke detector |
JPS6013449U (en) * | 1983-03-31 | 1985-01-29 | ホーチキ株式会社 | Structure of smoke detection part of scattered light smoke detector |
US4616928A (en) * | 1984-06-20 | 1986-10-14 | Kidde, Inc. | Photoelectric smoke detector with adjustable background signal |
CH683464A5 (en) * | 1991-09-06 | 1994-03-15 | Cerberus Ag | Optical smoke detector with active surveillance. |
GB2259763B (en) * | 1991-09-20 | 1995-05-31 | Hochiki Co | Fire alarm system |
DE4328671B4 (en) * | 1992-08-28 | 2005-02-17 | Hochiki K.K. | Scattered light smoke |
CH684556A5 (en) * | 1992-09-14 | 1994-10-14 | Cerberus Ag | Optical Smoke Detector. |
US5576697A (en) * | 1993-04-30 | 1996-11-19 | Hochiki Kabushiki Kaisha | Fire alarm system |
US5767776A (en) * | 1996-01-29 | 1998-06-16 | Engelhard Sensor Technologies, Inc. | Fire detector |
US5552765A (en) * | 1993-07-12 | 1996-09-03 | Detection Systems, Inc. | Smoke detector with individually stored range of acceptable sensitivity |
US5781291A (en) * | 1996-10-22 | 1998-07-14 | Pittway Corporation | Smoke detectors utilizing a hydrophilic substance |
-
2000
- 2000-03-03 EP EP00914824A patent/EP1194908A4/en not_active Withdrawn
- 2000-03-03 WO PCT/US2000/005734 patent/WO2001095279A1/en not_active Application Discontinuation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5741595A (en) * | 1995-11-17 | 1998-04-21 | Sony Corporation | Ultraviolet optical part having coat of ultraviolet optical thin film, and wavelength-changing device and ultraviolet light source unit having coat of ultraviolet optical thin film |
Non-Patent Citations (2)
Title |
---|
GOODMAN D S: "METHOD FOR LOCALIZING LIGHT-SCATTERED PARTICLES", IBM TECHNICAL DISCLOSURE BULLETIN, IBM CORP. NEW YORK, US, vol. 27, no. 5, 1 October 1984 (1984-10-01), pages 3164, XP002066860, ISSN: 0018-8689 * |
See also references of WO0195279A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1194908A1 (en) | 2002-04-10 |
WO2001095279A1 (en) | 2001-12-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20010905 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
RBV | Designated contracting states (corrected) |
Designated state(s): DE GB |
|
A4 | Supplementary search report drawn up and despatched |
Effective date: 20040831 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20041001 |