GB1419146A - Smoke detector - Google Patents
Smoke detectorInfo
- Publication number
- GB1419146A GB1419146A GB2566073A GB2566073A GB1419146A GB 1419146 A GB1419146 A GB 1419146A GB 2566073 A GB2566073 A GB 2566073A GB 2566073 A GB2566073 A GB 2566073A GB 1419146 A GB1419146 A GB 1419146A
- Authority
- GB
- United Kingdom
- Prior art keywords
- air
- chambers
- output
- detectors
- supplied
- 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
Links
- 239000000779 smoke Substances 0.000 title abstract 5
- 239000003990 capacitor Substances 0.000 abstract 2
- 230000000694 effects Effects 0.000 abstract 2
- 238000004378 air conditioning Methods 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 abstract 1
- 230000001143 conditioned effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 230000008520 organization Effects 0.000 abstract 1
- 229910052724 xenon Inorganic materials 0.000 abstract 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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
- G08B17/103—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
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPA923072 | 1972-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1419146A true GB1419146A (en) | 1975-12-24 |
Family
ID=3765103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2566073A Expired GB1419146A (en) | 1972-06-06 | 1973-05-30 | Smoke detector |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3874795A (enExample) |
| JP (1) | JPS4952677A (enExample) |
| CH (1) | CH564238A5 (enExample) |
| GB (1) | GB1419146A (enExample) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4125779A (en) * | 1977-07-13 | 1978-11-14 | Chloride, Incorporated | Smoke detector |
| US4155653A (en) * | 1977-10-14 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Smoke-measuring transducer |
| CA1277005C (en) * | 1983-10-21 | 1990-11-27 | Martin T. Cole | Smoke detection apparatus |
| JPS61122553A (ja) * | 1984-11-20 | 1986-06-10 | Shimizu Constr Co Ltd | クリ−ンル−ム用煙感知器 |
| US5440145A (en) * | 1991-10-14 | 1995-08-08 | I.E.I. Pty. Ltd. | Sampling chamber for a pollution detector |
| US7564365B2 (en) * | 2002-08-23 | 2009-07-21 | Ge Security, Inc. | Smoke detector and method of detecting smoke |
| AU2012272552A1 (en) * | 2011-06-22 | 2013-12-12 | Garrett Thermal Systems Limited | Particle detector with dust rejection |
| US8907802B2 (en) | 2012-04-29 | 2014-12-09 | Valor Fire Safety, Llc | Smoke detector with external sampling volume and ambient light rejection |
| US9140646B2 (en) | 2012-04-29 | 2015-09-22 | Valor Fire Safety, Llc | Smoke detector with external sampling volume using two different wavelengths and ambient light detection for measurement correction |
| US8947243B2 (en) | 2012-04-29 | 2015-02-03 | Valor Fire Safety, Llc | Smoke detector with external sampling volume and utilizing internally reflected light |
| KR20160079057A (ko) | 2013-10-30 | 2016-07-05 | 발로르 파이어 세이프티, 엘엘씨 | 외부 샘플링 볼륨 및 주변광 배제를 갖는 연기 감지기 |
| GB2531495B (en) * | 2014-06-16 | 2017-04-12 | Apollo Fire Detectors Ltd | Smoke detector |
| CN109937438B (zh) | 2016-11-11 | 2021-11-05 | 开利公司 | 基于高灵敏度光纤的检测 |
| EP3539105B1 (en) | 2016-11-11 | 2024-09-11 | Carrier Corporation | High sensitivity fiber optic based detection |
| US11127270B2 (en) | 2016-11-11 | 2021-09-21 | Carrier Corporation | High sensitivity fiber optic based detection |
| WO2018089668A2 (en) | 2016-11-11 | 2018-05-17 | Carrier Corporation | High sensitivity fiber optic based detection |
| ES2919300T3 (es) | 2016-11-11 | 2022-07-22 | Carrier Corp | Detección basada en fibra óptica de alta sensibilidad |
| RU179257U1 (ru) * | 2017-07-03 | 2018-05-07 | федеральное государственное автономное образовательное учреждение высшего образования "Санкт-Петербургский национальный исследовательский университет информационных технологий, механики и оптики" (Университет ИТМО) | Оптический датчик дыма |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB918525A (en) * | 1958-04-29 | 1963-02-13 | Hartridge Ltd Leslie | Improvements in and relating to smokemeters |
| US3231748A (en) * | 1961-10-30 | 1966-01-25 | Fyr Fyter Co | Smoke detector |
| US3313946A (en) * | 1962-11-30 | 1967-04-11 | Goodwin | Smoke, flame, critical temperature and rate of temperature rise detector |
| US3563661A (en) * | 1969-08-29 | 1971-02-16 | Battelle Development Corp | Integrating nephelometer |
-
1973
- 1973-05-30 GB GB2566073A patent/GB1419146A/en not_active Expired
- 1973-06-05 US US367260A patent/US3874795A/en not_active Expired - Lifetime
- 1973-06-06 JP JP48063703A patent/JPS4952677A/ja active Pending
- 1973-06-06 CH CH822173A patent/CH564238A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH564238A5 (enExample) | 1975-07-15 |
| US3874795A (en) | 1975-04-01 |
| JPS4952677A (enExample) | 1974-05-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |