DK149726C - Roegdetektor med impulsevalueringskredsloeb - Google Patents

Roegdetektor med impulsevalueringskredsloeb

Info

Publication number
DK149726C
DK149726C DK64380A DK64380A DK149726C DK 149726 C DK149726 C DK 149726C DK 64380 A DK64380 A DK 64380A DK 64380 A DK64380 A DK 64380A DK 149726 C DK149726 C DK 149726C
Authority
DK
Denmark
Prior art keywords
counter
smoke detector
pulses
radiation
counter state
Prior art date
Application number
DK64380A
Other languages
English (en)
Other versions
DK149726B (da
DK64380A (da
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 DK64380A publication Critical patent/DK64380A/da
Publication of DK149726B publication Critical patent/DK149726B/da
Application granted granted Critical
Publication of DK149726C publication Critical patent/DK149726C/da

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)
DK64380A 1979-02-22 1980-02-14 Roegdetektor med impulsevalueringskredsloeb DK149726C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH177379A CH638331A5 (de) 1979-02-22 1979-02-22 Rauchdetektor.
CH177379 1979-02-22

Publications (3)

Publication Number Publication Date
DK64380A DK64380A (da) 1980-08-23
DK149726B DK149726B (da) 1986-09-15
DK149726C true DK149726C (da) 1987-04-13

Family

ID=4218261

Family Applications (1)

Application Number Title Priority Date Filing Date
DK64380A DK149726C (da) 1979-02-22 1980-02-14 Roegdetektor med impulsevalueringskredsloeb

Country Status (10)

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

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 (da) * 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
US11151853B2 (en) 2016-11-11 2021-10-19 Carrier Corporation High sensitivity fiber optic based detection
WO2018089654A1 (en) 2016-11-11 2018-05-17 Carrier Corporation High sensitivity fiber optic based detection
EP3539108B1 (en) 2016-11-11 2020-08-12 Carrier Corporation High sensitivity fiber optic based detection
CA3043583A1 (en) 2016-11-11 2018-05-17 Carrier Corporation High sensitivity fiber optic based detection
EP3539109B8 (en) 2016-11-11 2024-02-14 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
IL45331A (en) * 1973-11-26 1977-12-30 Chloride Batterijen Bv Photoelectric smoke detector
US3946241A (en) * 1973-11-26 1976-03-23 Pyrotector, Incorporated Light detector with pulsed light source and synchronous data gating
US4193069A (en) * 1978-03-13 1980-03-11 American District Telegraph Company Latching alarm smoke detector

Also Published As

Publication number Publication date
DE2963129D1 (en) 1982-08-05
CA1129034A (en) 1982-08-03
EP0014779B1 (de) 1982-06-16
JPS55114938A (en) 1980-09-04
DK149726B (da) 1986-09-15
ATE1207T1 (de) 1982-07-15
US4321595A (en) 1982-03-23
CH638331A5 (de) 1983-09-15
JPS6327653B2 (da) 1988-06-03
EP0014779A1 (de) 1980-09-03
AU528534B2 (en) 1983-05-05
AU5471580A (en) 1980-08-28
NO147619C (no) 1983-05-18
NO147619B (no) 1983-01-31
DK64380A (da) 1980-08-23
NO794342L (no) 1980-08-25

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Legal Events

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