DE3265792D1 - Smoke detector with a pulse-actuated radiation source - Google Patents

Smoke detector with a pulse-actuated radiation source

Info

Publication number
DE3265792D1
DE3265792D1 DE8282104169T DE3265792T DE3265792D1 DE 3265792 D1 DE3265792 D1 DE 3265792D1 DE 8282104169 T DE8282104169 T DE 8282104169T DE 3265792 T DE3265792 T DE 3265792T DE 3265792 D1 DE3265792 D1 DE 3265792D1
Authority
DE
Germany
Prior art keywords
radiation
pulse
smoke detector
radiation source
counter
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
Application number
DE8282104169T
Other languages
English (en)
Inventor
Jurg Dr Dipl Phys Muggli
Heinz Dipl Ing Guttinger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cerberus AG
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.)
Filing date
Publication date
Application filed by Cerberus AG filed Critical Cerberus AG
Application granted granted Critical
Publication of DE3265792D1 publication Critical patent/DE3265792D1/de
Expired legal-status Critical Current

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

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)
  • Gyroscopes (AREA)
DE8282104169T 1981-06-15 1982-05-13 Smoke detector with a pulse-actuated radiation source Expired DE3265792D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3926/81A CH657221A5 (de) 1981-06-15 1981-06-15 Rauchdetektor.

Publications (1)

Publication Number Publication Date
DE3265792D1 true DE3265792D1 (en) 1985-10-03

Family

ID=4266462

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282104169T Expired DE3265792D1 (en) 1981-06-15 1982-05-13 Smoke detector with a pulse-actuated radiation source

Country Status (17)

Country Link
US (1) US4506161A (de)
EP (1) EP0067313B1 (de)
JP (1) JPS582723A (de)
AT (1) ATE15290T1 (de)
AU (1) AU555096B2 (de)
BR (1) BR8203481A (de)
CA (1) CA1208332A (de)
CH (1) CH657221A5 (de)
DE (1) DE3265792D1 (de)
DK (1) DK250282A (de)
ES (1) ES8305520A1 (de)
FI (1) FI821715A0 (de)
IL (1) IL66019A0 (de)
NO (1) NO153194C (de)
NZ (1) NZ200889A (de)
YU (1) YU124482A (de)
ZA (1) ZA824084B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677426A (en) * 1983-01-28 1987-06-30 Electronic Dust Detection, Inc. Dust detecting ring assembly
US4654644A (en) * 1985-04-05 1987-03-31 General Signal Corporation Photoelectric smoke detector circuitry
JPH02112096A (ja) * 1988-10-21 1990-04-24 Matsushita Electric Works Ltd Ｉｃ化された感知器
GB2274333B (en) * 1993-01-07 1996-12-11 Hochiki Co Smoke detecting apparatus capable of detecting both smoke and fine particles
DE102004004098B3 (de) * 2004-01-27 2005-09-01 Wagner Alarm- Und Sicherungssysteme Gmbh Verfahren zur Auswertung eines Streulichtsignals und Streulichtdetektor zur Durchführung des Verfahrens
GB201006680D0 (en) * 2010-04-21 2010-06-09 Fireangel Ltd Alarm
CN111968355A (zh) * 2020-07-07 2020-11-20 邓棹予 一种自控式灭蚊器的控制电路

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1082973A (en) * 1964-04-02 1967-09-13 Int Research & Dev Co Ltd Electrical interrupted-beam alarm systems
CH417405A (de) * 1964-07-14 1966-07-15 Cerberus Ag Werk Fuer Elektron Vorrichtung zur Feststellung von Aerosolen in Luft
US3846773A (en) * 1972-08-18 1974-11-05 W Lintelmann Battery operated surveillance device
CH546989A (de) * 1972-12-06 1974-03-15 Cerberus Ag Verfahren und vorrichtung zur brandmeldung.
JPS5439181A (en) * 1977-09-02 1979-03-26 Nittan Co Ltd Photoelectric smoke detector
JPS5458180U (de) * 1977-09-30 1979-04-21
JPS609914Y2 (ja) * 1978-11-14 1985-04-05 能美防災工業株式会社 光電式煙感知器
CH638331A5 (de) * 1979-02-22 1983-09-15 Cerberus Ag Rauchdetektor.
GB2044504B (en) * 1979-03-17 1983-04-20 Hochiki Co Count discriminating fire detector
DE3146110A1 (de) * 1980-11-24 1982-06-16 Hekatron GmbH, 7811 Sulzburg "optischer rauchdetektor"

Also Published As

Publication number Publication date
NO153194C (no) 1986-01-29
AU8473382A (en) 1982-12-23
DK250282A (da) 1982-12-16
ATE15290T1 (de) 1985-09-15
CH657221A5 (de) 1986-08-15
AU555096B2 (en) 1986-09-11
EP0067313B1 (de) 1985-08-28
JPS582723A (ja) 1983-01-08
YU124482A (en) 1985-10-31
FI821715A0 (fi) 1982-05-14
NO153194B (no) 1985-10-21
BR8203481A (pt) 1983-06-07
EP0067313A1 (de) 1982-12-22
ES514252A0 (es) 1983-04-01
US4506161A (en) 1985-03-19
NZ200889A (en) 1985-12-13
ES8305520A1 (es) 1983-04-01
IL66019A0 (en) 1982-09-30
CA1208332A (en) 1986-07-22
NO821977L (no) 1982-12-16
ZA824084B (en) 1983-06-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee