ZA828096B - Smoke detector - Google Patents

Smoke detector

Info

Publication number: ZA828096B
Authority: ZA; South Africa
Prior art keywords: radiation; diaphragm; solid angle; smoke detector; receiver
Prior art date: 1981-11-11

Application number

ZA828096A

Other languages

English (en)

Inventor

Juerg Muggli

Peter Gruber

Original Assignee

Cerberus Ag

Priority date (The priority date 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 date listed.)

1981-11-11

Filing date

1982-11-04

Publication date

1983-09-28

1982-11-04 Application filed by Cerberus Ag filed Critical Cerberus Ag

1983-09-28 Publication of ZA828096B publication Critical patent/ZA828096B/xx

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)

ZA828096A 1981-11-11 1982-11-04 Smoke detector ZA828096B (en)

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
ZA828096B true ZA828096B (en)	1983-09-28

Family

ID=4322193

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA828096A ZA828096B (en)	1981-11-11	1982-11-04	Smoke detector

Country Status (17)

Country	Link
US (1)	US4524281A (xx)
EP (1)	EP0079011B1 (xx)
JP (1)	JPS5888643A (xx)
AT (1)	ATE17061T1 (xx)
AU (1)	AU556837B2 (xx)
BR (1)	BR8206535A (xx)
CA (1)	CA1208333A (xx)
CH (1)	CH656474A5 (xx)
DE (1)	DE3268057D1 (xx)
DK (1)	DK502482A (xx)
ES (1)	ES8309022A1 (xx)
FI (1)	FI75438C (xx)
IL (1)	IL67159A0 (xx)
NO (1)	NO157156C (xx)
NZ (1)	NZ202364A (xx)
YU (1)	YU252282A (xx)
ZA (1)	ZA828096B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (xx) *	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 (xx) *	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
IL67159A0 (en)	1983-03-31
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

Publication	Publication Date	Title
JPS569763A (en)	1981-01-31	Beam recording device
JPS53110823A (en)	1978-09-27	Optical information processor
AU550335B2 (en)	1986-03-20	Ultrasonic image scanner
DE3268057D1 (en)	1986-01-30	Smoke detector
GB1536221A (en)	1978-12-20	Axial transverse tomography system
JPS5723914A (en)	1982-02-08	Recorder
ES503912A0 (es)	1982-12-01	Procedimiento de obtencion de composicion de policarbonatos absorbedores de rayos infrarrojos.
KR880701943A (ko)	1988-11-07	광 주사시스템
JPS5633572A (en)	1981-04-04	Optical rader device
EP0142706A3 (en)	1986-05-28	X-ray photographing system
JPS5270851A (en)	1977-06-13	Focal point adjusting system for rays
GB1400658A (en)	1975-07-23	Light scattering type smoke detector
JPS53107865A (en)	1978-09-20	Detector of minute undulations
NL7309839A (en)	1975-01-20	Detector for discrepancy in focal plane - beam splitting prism feeds separate detectors
JPS53118145A (en)	1978-10-16	Detecting method of light beam position
FR2456529A1 (fr)	1980-12-12	Appareil detecteur de fumee
JPS5362552A (en)	1978-06-05	Beam type detector
JPS6484119A (en)	1989-03-29	Object state detector
JPS5555442A (en)	1980-04-23	Optical reproducing device
JPS54146654A (en)	1979-11-16	Precise light ray incident angle detector
JPS56143545A (en)	1981-11-09	Optical reproducing device
JPS57103020A (en)	1982-06-26	Spectrophotometer
FR2247191A2 (en)	1975-05-09	Blood particle counting process - light diffracted by two samples produces electrical signals
JPS57137824A (en)	1982-08-25	Infrared ray detector
JPS5399898A (en)	1978-08-31	Smoke sensor of ionization system