GB1179409A - Improvements in or relating to Smoke Detectors - Google Patents
Improvements in or relating to Smoke DetectorsInfo
- Publication number
- GB1179409A GB1179409A GB39985/67A GB3998567A GB1179409A GB 1179409 A GB1179409 A GB 1179409A GB 39985/67 A GB39985/67 A GB 39985/67A GB 3998567 A GB3998567 A GB 3998567A GB 1179409 A GB1179409 A GB 1179409A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relay
- winding
- line
- capacitor
- negative
- 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
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
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB39985/67A GB1179409A (en) | 1966-11-28 | 1966-11-28 | Improvements in or relating to Smoke Detectors |
DE19671673329 DE1673329A1 (de) | 1966-11-28 | 1967-11-23 | Rauchdetektorgeraet |
SE16175/67A SE343969B (da) | 1966-11-28 | 1967-11-24 | |
FR129735A FR1547849A (fr) | 1966-11-28 | 1967-11-27 | Appareil détecteur de fumée |
NO17070767A NO122115B (da) | 1966-11-28 | 1967-11-27 | |
DK591767AA DK122549B (da) | 1966-11-28 | 1967-11-27 | Røgdetektor med en visuel funktionsovervågningskontrol. |
BE707196D BE707196A (da) | 1966-11-28 | 1967-11-28 | |
NL6716159A NL6716159A (da) | 1966-11-28 | 1967-11-28 | |
US690320A US3504184A (en) | 1966-11-28 | 1967-12-13 | Radiation sensitive smoke detector using light conducting means |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB39985/67A GB1179409A (en) | 1966-11-28 | 1966-11-28 | Improvements in or relating to Smoke Detectors |
GB5322666 | 1966-11-28 | ||
US69032067A | 1967-12-13 | 1967-12-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1179409A true GB1179409A (en) | 1970-01-28 |
Family
ID=27259603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB39985/67A Expired GB1179409A (en) | 1966-11-28 | 1966-11-28 | Improvements in or relating to Smoke Detectors |
Country Status (8)
Country | Link |
---|---|
US (1) | US3504184A (da) |
BE (1) | BE707196A (da) |
DE (1) | DE1673329A1 (da) |
DK (1) | DK122549B (da) |
FR (1) | FR1547849A (da) |
GB (1) | GB1179409A (da) |
NL (1) | NL6716159A (da) |
SE (1) | SE343969B (da) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3584774A1 (de) * | 2018-06-19 | 2019-12-25 | Wagner Group GmbH | Streulichtdetektor und ansaugbranderkennungssystem mit einem streulichtdetektor |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2036476A5 (da) * | 1969-03-13 | 1970-12-24 | Guigues Frederic | |
US3678511A (en) * | 1969-12-09 | 1972-07-18 | Elmer M Benedict | Alarm circuit |
US3805066A (en) * | 1972-08-14 | 1974-04-16 | T Chijuma | Smoke detecting device utilizing optical fibers |
JPS4946484A (da) * | 1972-09-05 | 1974-05-04 | ||
US3870417A (en) * | 1973-07-17 | 1975-03-11 | Whirlpool Co | Sensor for dishwasher |
US3936814A (en) * | 1974-04-29 | 1976-02-03 | Bernz-O-Matic Corporation | Smoke detector and alarm |
JPS5166891A (ja) * | 1974-12-06 | 1976-06-09 | Nippon Steel Corp | Renzokushikibiryoyunodosokuteisochi |
US11293865B2 (en) | 2016-11-11 | 2022-04-05 | Carrier Corporation | High sensitivity fiber optic based detection |
DE102018125494A1 (de) * | 2018-10-15 | 2020-04-16 | Bombardier Transportation Gmbh | Rauchmelder zum streckenweisen Detektieren von Rauch, sowie Fahrzeug aufweisend einen Rauchmelder |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2256595A (en) * | 1939-07-13 | 1941-09-23 | Photoswitch Inc | Photoelectric system |
US2306588A (en) * | 1940-01-23 | 1942-12-29 | C O Two Fire Equipment Co | Smoke detecting apparatus |
US2291776A (en) * | 1941-01-16 | 1942-08-04 | Wager Robert Hudson | Combined smoke observation device and photoelectric indicating means |
US2410104A (en) * | 1942-08-27 | 1946-10-29 | Fed Telephone & Radio Corp | Light directing device |
US2892378A (en) * | 1955-04-26 | 1959-06-30 | Gen Electric | Indicating turbidimeter |
US3045223A (en) * | 1959-07-08 | 1962-07-17 | Chicago Aerial Ind Inc | Device for detecting the presence of foreign material |
US3168218A (en) * | 1962-09-18 | 1965-02-02 | Waukesha Foundry Co | Metering device with opaqueness responsive shutoff |
-
1966
- 1966-11-28 GB GB39985/67A patent/GB1179409A/en not_active Expired
-
1967
- 1967-11-23 DE DE19671673329 patent/DE1673329A1/de active Pending
- 1967-11-24 SE SE16175/67A patent/SE343969B/xx unknown
- 1967-11-27 DK DK591767AA patent/DK122549B/da unknown
- 1967-11-27 FR FR129735A patent/FR1547849A/fr not_active Expired
- 1967-11-28 NL NL6716159A patent/NL6716159A/xx unknown
- 1967-11-28 BE BE707196D patent/BE707196A/xx unknown
- 1967-12-13 US US690320A patent/US3504184A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3584774A1 (de) * | 2018-06-19 | 2019-12-25 | Wagner Group GmbH | Streulichtdetektor und ansaugbranderkennungssystem mit einem streulichtdetektor |
WO2019243135A1 (de) * | 2018-06-19 | 2019-12-26 | Wagner Group Gmbh | Streulichtdetektor und ansaugbranderkennungssystem mit einem streulichtdetektor |
US11417187B2 (en) | 2018-06-19 | 2022-08-16 | Wagner Group Gmbh | Scattered light detector and suction fire detection system having a scattered light detector |
Also Published As
Publication number | Publication date |
---|---|
NL6716159A (da) | 1968-05-29 |
FR1547849A (fr) | 1968-11-29 |
SE343969B (da) | 1972-03-20 |
US3504184A (en) | 1970-03-31 |
BE707196A (da) | 1968-04-01 |
DK122549B (da) | 1972-03-13 |
DE1673329A1 (de) | 1972-03-02 |
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