NO821977L - Roekdetektor med en pulsstyrt straalingskilde. - Google Patents

Roekdetektor med en pulsstyrt straalingskilde.

Info

Publication number
NO821977L
NO821977L NO821977A NO821977A NO821977L NO 821977 L NO821977 L NO 821977L NO 821977 A NO821977 A NO 821977A NO 821977 A NO821977 A NO 821977A NO 821977 L NO821977 L NO 821977L
Authority
NO
Norway
Prior art keywords
radiation
smoke detector
source
counter
pulse
Prior art date
Application number
NO821977A
Other languages
English (en)
Other versions
NO153194B (no
NO153194C (no
Inventor
Juerg Muggli
Heinz Guettinger
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
Publication of NO821977L publication Critical patent/NO821977L/no
Publication of NO153194B publication Critical patent/NO153194B/no
Publication of NO153194C publication Critical patent/NO153194C/no

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)
NO821977A 1981-06-15 1982-06-14 Roekdetektor med en pulsstyrt straalingskilde. NO153194C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO821977L true NO821977L (no) 1982-12-16
NO153194B NO153194B (no) 1985-10-21
NO153194C NO153194C (no) 1986-01-29

Family

ID=4266462

Family Applications (1)

Application Number Title Priority Date Filing Date
NO821977A NO153194C (no) 1981-06-15 1982-06-14 Roekdetektor med en pulsstyrt straalingskilde.

Country Status (17)

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

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 (no) * 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.
US4260984A (en) * 1979-03-17 1981-04-07 Hochiki Corporation 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
FI821715A0 (fi) 1982-05-14
CH657221A5 (de) 1986-08-15
NO153194B (no) 1985-10-21
AU8473382A (en) 1982-12-23
BR8203481A (pt) 1983-06-07
IL66019A0 (en) 1982-09-30
EP0067313A1 (de) 1982-12-22
CA1208332A (en) 1986-07-22
JPS582723A (ja) 1983-01-08
DE3265792D1 (en) 1985-10-03
ZA824084B (en) 1983-06-29
US4506161A (en) 1985-03-19
NZ200889A (en) 1985-12-13
YU124482A (en) 1985-10-31
DK250282A (da) 1982-12-16
NO153194C (no) 1986-01-29
EP0067313B1 (de) 1985-08-28
ATE15290T1 (de) 1985-09-15
AU555096B2 (en) 1986-09-11
ES514252A0 (es) 1983-04-01
ES8305520A1 (es) 1983-04-01

Similar Documents

Publication Publication Date Title
US3623057A (en) Laser perimeter intrusion detection system
FI810494L (fi) Televisionsmottagare foersedd med oevervakningsfunktioner foer inbrotts alarm och saeker betraktningsdistans
NO147619C (no) Roekdetektor.
NO821977L (no) Roekdetektor med en pulsstyrt straalingskilde.
ATE16861T1 (de) Ueberwachungs- und alarmverfahren und entsprechende vorrichtung.
ES517587A0 (es) Perfeccionamientos en detectores de humos.
ES417739A1 (es) Aparato de deteccion de incendios.
JPS52135297A (en) Signal processing circuit for photoelectric smoke detectors
KR800000917B1 (ko) 화재 검지장치
GB1443702A (en) Alarm systems
SU694877A1 (ru) Устройство дл сигнализации о наличии дыма
RU2217796C2 (ru) Дымовой пожарный извещатель
JPS5229287A (en) Detection apparatus
SU557397A1 (ru) Устройство дл тревожной сигнализации
JPS54996A (en) Fire detector and fire alarm unit used for it
JPS5466419A (en) Protective device for motor
JPS5411781A (en) Smoke detector
JPS57186852A (en) Burst signal detector
JPS5366398A (en) Detection signal processing circuit for photoelectric type smoke detector
JPS5756723A (en) Flame detector