NO932479D0 - OPTICAL SMOKE DETECTOR - Google Patents

OPTICAL SMOKE DETECTOR

Info

Publication number
NO932479D0
NO932479D0 NO932479A NO932479A NO932479D0 NO 932479 D0 NO932479 D0 NO 932479D0 NO 932479 A NO932479 A NO 932479A NO 932479 A NO932479 A NO 932479A NO 932479 D0 NO932479 D0 NO 932479D0
Authority
NO
Norway
Prior art keywords
smoke detector
optical smoke
optical
detector
smoke
Prior art date
Application number
NO932479A
Other languages
Norwegian (no)
Other versions
NO932479L (en
Inventor
Peter Ryser
Juerg Werner
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 NO932479D0 publication Critical patent/NO932479D0/en
Publication of NO932479L publication Critical patent/NO932479L/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/18—Prevention or correction of operating errors
    • G08B29/20—Calibration, including self-calibrating arrangements
    • G08B29/24—Self-calibration, e.g. compensating for environmental drift or ageing of components
    • 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
    • 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

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
NO932479A 1992-07-08 1993-07-07 Optical rowing detector NO932479L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH2157/92A CH684135A5 (en) 1992-07-08 1992-07-08 Optical Smoke Detector.

Publications (2)

Publication Number Publication Date
NO932479D0 true NO932479D0 (en) 1993-07-07
NO932479L NO932479L (en) 1994-01-10

Family

ID=4227220

Family Applications (1)

Application Number Title Priority Date Filing Date
NO932479A NO932479L (en) 1992-07-08 1993-07-07 Optical rowing detector

Country Status (3)

Country Link
EP (1) EP0578189A1 (en)
CH (1) CH684135A5 (en)
NO (1) NO932479L (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0987663A1 (en) 1998-09-14 2000-03-22 Siemens Building Technologies AG Optical smoke detector according to the extinguish principle and method for compensating the temperature drift
EP1349127A1 (en) * 2002-03-28 2003-10-01 Siemens Building Technologies AG Obscuration smoke detector and use thereof
DE102008009213B4 (en) * 2008-02-15 2010-09-02 Perkinelmer Optoelectronics Gmbh & Co.Kg Radiation conductor, detector, manufacturing process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4018513A (en) * 1974-03-28 1977-04-19 Jan Boeke Optical window used in device for monitoring clarity of a fluid
CH643061A5 (en) * 1980-01-18 1984-05-15 Zellweger Uster Ag Method for measuring objects, device for carrying out the method, and application of the method
JPS57119240A (en) * 1981-01-19 1982-07-24 Toshiba Corp Turbidity measuring device

Also Published As

Publication number Publication date
CH684135A5 (en) 1994-07-15
EP0578189A1 (en) 1994-01-12
NO932479L (en) 1994-01-10

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