NO794342L - Roekdetektor. - Google Patents

Roekdetektor.

Info

Publication number
NO794342L
NO794342L NO794342A NO794342A NO794342L NO 794342 L NO794342 L NO 794342L NO 794342 A NO794342 A NO 794342A NO 794342 A NO794342 A NO 794342A NO 794342 L NO794342 L NO 794342L
Authority
NO
Norway
Prior art keywords
counter
pulses
radiation
counter state
alarm
Prior art date
Application number
NO794342A
Other languages
English (en)
Other versions
NO147619C (no
NO147619B (no
Inventor
Erwin Tresch
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 NO794342L publication Critical patent/NO794342L/no
Publication of NO147619B publication Critical patent/NO147619B/no
Publication of NO147619C publication Critical patent/NO147619C/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)
  • Vehicle Body Suspensions (AREA)
NO794342A 1979-02-22 1979-12-28 Roekdetektor. NO147619C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH177379A CH638331A5 (de) 1979-02-22 1979-02-22 Rauchdetektor.

Publications (3)

Publication Number Publication Date
NO794342L true NO794342L (no) 1980-08-25
NO147619B NO147619B (no) 1983-01-31
NO147619C NO147619C (no) 1983-05-18

Family

ID=4218261

Family Applications (1)

Application Number Title Priority Date Filing Date
NO794342A NO147619C (no) 1979-02-22 1979-12-28 Roekdetektor.

Country Status (10)

Country Link
US (1) US4321595A (no)
EP (1) EP0014779B1 (no)
JP (1) JPS55114938A (no)
AT (1) ATE1207T1 (no)
AU (1) AU528534B2 (no)
CA (1) CA1129034A (no)
CH (1) CH638331A5 (no)
DE (1) DE2963129D1 (no)
DK (1) DK149726C (no)
NO (1) NO147619C (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609216A (en) * 1947-06-06 1952-09-02 Eric M Mcelhinney Sharp turn steering apparatus for vehicles
DE943797C (de) * 1950-02-26 1956-06-01 Hermann E Mueller K G Dr Motorisiertes Fahrzeug zur Ausfuehrung insbesondere landwirtschaftlicher Arbeiten
CH657221A5 (de) * 1981-06-15 1986-08-15 Cerberus Ag Rauchdetektor.
CH655396B (no) * 1981-11-11 1986-04-15
CH660244A5 (de) * 1983-01-11 1987-03-31 Cerberus Ag Photoelektrischer rauchdetektor und dessen verwendung.
DE8800651U1 (de) * 1988-01-21 1988-08-25 Huang, Ding-Li, Sun-Chung, Taipei Warnvorrichtung mit einer Einrichtung zur Aufforderung, das Rauchen zu unterlassen
US5019805A (en) * 1989-02-03 1991-05-28 Flash-Alert Inc. Smoke detector with strobed visual alarm and remote alarm coupling
AU652513B2 (en) * 1992-06-29 1994-08-25 Nohmi Bosai Ltd Smoke detecting apparatus for fire alarm
UA78855C2 (en) * 2005-04-05 2007-04-25 Private Entpr Arton Smoke detector
CN102426751B (zh) * 2011-08-26 2013-07-17 无锡蓝天电子有限公司 点型光电感烟火灾探测器
ES2812831T3 (es) 2016-11-11 2021-03-18 Carrier Corp Detección basada en fibra óptica de alta sensibilidad
CA3043583A1 (en) 2016-11-11 2018-05-17 Carrier Corporation High sensitivity fiber optic based detection
WO2018089660A1 (en) * 2016-11-11 2018-05-17 Carrier Corporation High sensitivity fiber optic based detection
US10957176B2 (en) 2016-11-11 2021-03-23 Carrier Corporation High sensitivity fiber optic based detection
EP3539104B1 (en) 2016-11-11 2022-06-08 Carrier Corporation High sensitivity fiber optic based detection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH417405A (de) * 1964-07-14 1966-07-15 Cerberus Ag Werk Fuer Elektron Vorrichtung zur Feststellung von Aerosolen in Luft
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
IL45331A (en) * 1973-11-26 1977-12-30 Chloride Batterijen Bv Photoelectric smoke detector
US4193069A (en) * 1978-03-13 1980-03-11 American District Telegraph Company Latching alarm smoke detector

Also Published As

Publication number Publication date
AU528534B2 (en) 1983-05-05
DK149726C (da) 1987-04-13
JPS6327653B2 (no) 1988-06-03
JPS55114938A (en) 1980-09-04
EP0014779B1 (de) 1982-06-16
NO147619C (no) 1983-05-18
CA1129034A (en) 1982-08-03
DK149726B (da) 1986-09-15
DE2963129D1 (en) 1982-08-05
NO147619B (no) 1983-01-31
US4321595A (en) 1982-03-23
DK64380A (da) 1980-08-23
ATE1207T1 (de) 1982-07-15
AU5471580A (en) 1980-08-28
EP0014779A1 (de) 1980-09-03
CH638331A5 (de) 1983-09-15

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