IL67159A0 - Smoke detector - Google Patents
Smoke detectorInfo
- Publication number
- IL67159A0 IL67159A0 IL67159A IL6715982A IL67159A0 IL 67159 A0 IL67159 A0 IL 67159A0 IL 67159 A IL67159 A IL 67159A IL 6715982 A IL6715982 A IL 6715982A IL 67159 A0 IL67159 A0 IL 67159A0
- Authority
- IL
- Israel
- Prior art keywords
- radiation
- diaphragm
- solid angle
- smoke detector
- receiver
- Prior art date
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)
- Control Of Motors That Do Not Use Commutators (AREA)
- Vehicle Body Suspensions (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH7250/81A CH656474A5 (de) | 1981-11-11 | 1981-11-11 | Rauchdetektor. |
Publications (1)
Publication Number | Publication Date |
---|---|
IL67159A0 true IL67159A0 (en) | 1983-03-31 |
Family
ID=4322193
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL67159A IL67159A0 (en) | 1981-11-11 | 1982-11-02 | Smoke detector |
Country Status (17)
Country | Link |
---|---|
US (1) | US4524281A (de) |
EP (1) | EP0079011B1 (de) |
JP (1) | JPS5888643A (de) |
AT (1) | ATE17061T1 (de) |
AU (1) | AU556837B2 (de) |
BR (1) | BR8206535A (de) |
CA (1) | CA1208333A (de) |
CH (1) | CH656474A5 (de) |
DE (1) | DE3268057D1 (de) |
DK (1) | DK502482A (de) |
ES (1) | ES8309022A1 (de) |
FI (1) | FI75438C (de) |
IL (1) | IL67159A0 (de) |
NO (1) | NO157156C (de) |
NZ (1) | NZ202364A (de) |
YU (1) | YU252282A (de) |
ZA (1) | ZA828096B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS626144A (ja) * | 1985-07-03 | 1987-01-13 | Nittan Co Ltd | 光電式煙感知器 |
US4814748A (en) * | 1987-11-09 | 1989-03-21 | Southwest Laboratories, Inc. | Temporary desensitization technique for smoke alarms |
GB2259763B (en) * | 1991-09-20 | 1995-05-31 | Hochiki Co | Fire alarm system |
ITTO20070355A1 (it) * | 2007-05-18 | 2008-11-19 | Elkron Spa | Dispositivo e metodo per rilevare fumo |
GB2537940B (en) | 2015-05-01 | 2018-02-14 | Thorn Security | Fire detector drift compensation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB966867A (en) * | 1961-01-05 | 1964-08-19 | Pyrene Co Ltd | Improvements relating to smoke indicators |
GB1172354A (en) * | 1966-02-16 | 1969-11-26 | Pyrene Co Ltd | Improvements relating to Smoke Detectors |
JPS4418923Y1 (de) * | 1966-09-16 | 1969-08-14 | ||
US3868184A (en) * | 1973-07-25 | 1975-02-25 | Electro Signal Lab | Optical smoke detector with light scattering test device |
JPS50134172A (de) * | 1974-04-17 | 1975-10-24 | ||
US3985453A (en) * | 1974-07-19 | 1976-10-12 | Matsushita Electric Works, Ltd. | Light scattering type smoke detector |
US4011458A (en) * | 1975-10-09 | 1977-03-08 | Pyrotector, Incorporated | Photoelectric detector with light source intensity regulation |
FR2357888A1 (fr) * | 1976-04-01 | 1978-02-03 | Cerberus Ag | Detecteur de fumee |
US4216377A (en) * | 1977-06-27 | 1980-08-05 | Nittan Company, Limited | Light scattering smoke detector |
US4269510A (en) * | 1978-12-21 | 1981-05-26 | Cerberus Ag | Smoke detector |
US4430646A (en) * | 1980-12-31 | 1984-02-07 | American District Telegraph Company | Forward scatter smoke detector |
-
1981
- 1981-11-11 CH CH7250/81A patent/CH656474A5/de not_active IP Right Cessation
-
1982
- 1982-10-29 DE DE8282110014T patent/DE3268057D1/de not_active Expired
- 1982-10-29 AT AT82110014T patent/ATE17061T1/de not_active IP Right Cessation
- 1982-10-29 EP EP82110014A patent/EP0079011B1/de not_active Expired
- 1982-11-02 IL IL67159A patent/IL67159A0/xx unknown
- 1982-11-02 NZ NZ202364A patent/NZ202364A/en unknown
- 1982-11-03 US US06/439,060 patent/US4524281A/en not_active Expired - Fee Related
- 1982-11-04 ZA ZA828096A patent/ZA828096B/xx unknown
- 1982-11-04 AU AU90175/82A patent/AU556837B2/en not_active Ceased
- 1982-11-04 CA CA000414876A patent/CA1208333A/en not_active Expired
- 1982-11-09 FI FI823838A patent/FI75438C/fi not_active IP Right Cessation
- 1982-11-09 ES ES517588A patent/ES8309022A1/es not_active Expired
- 1982-11-10 NO NO823754A patent/NO157156C/no unknown
- 1982-11-10 BR BR8206535A patent/BR8206535A/pt unknown
- 1982-11-10 YU YU02522/82A patent/YU252282A/xx unknown
- 1982-11-11 DK DK502482A patent/DK502482A/da not_active Application Discontinuation
- 1982-11-11 JP JP57196869A patent/JPS5888643A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
ES517588A0 (es) | 1983-10-01 |
YU252282A (en) | 1985-10-31 |
ES8309022A1 (es) | 1983-10-01 |
NO157156B (no) | 1987-10-19 |
CA1208333A (en) | 1986-07-22 |
DK502482A (da) | 1983-05-12 |
EP0079011A1 (de) | 1983-05-18 |
FI75438B (fi) | 1988-02-29 |
ATE17061T1 (de) | 1986-01-15 |
CH656474A5 (de) | 1986-06-30 |
FI75438C (fi) | 1988-06-09 |
FI823838L (fi) | 1983-05-12 |
US4524281A (en) | 1985-06-18 |
FI823838A0 (fi) | 1982-11-09 |
DE3268057D1 (en) | 1986-01-30 |
EP0079011B1 (de) | 1985-12-18 |
AU556837B2 (en) | 1986-11-20 |
NO157156C (no) | 1988-01-27 |
BR8206535A (pt) | 1983-09-27 |
NZ202364A (en) | 1986-04-11 |
JPS5888643A (ja) | 1983-05-26 |
AU9017582A (en) | 1983-05-19 |
NO823754L (no) | 1983-05-13 |
ZA828096B (en) | 1983-09-28 |
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