CH561942A5 - - Google Patents

Info

Publication number
CH561942A5
CH561942A5 CH328474A CH328474A CH561942A5 CH 561942 A5 CH561942 A5 CH 561942A5 CH 328474 A CH328474 A CH 328474A CH 328474 A CH328474 A CH 328474A CH 561942 A5 CH561942 A5 CH 561942A5
Authority
CH
Switzerland
Application number
CH328474A
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
Priority to CH328474A priority Critical patent/CH561942A5/xx
Priority to DE2504300A priority patent/DE2504300C3/de
Priority to US05/549,897 priority patent/US3994603A/en
Priority to FR7507018A priority patent/FR2263506B1/fr
Priority to JP1975030251U priority patent/JPS5426863Y2/ja
Priority to GB966875A priority patent/GB1469045A/en
Publication of CH561942A5 publication Critical patent/CH561942A5/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
CH328474A 1974-03-08 1974-03-08 CH561942A5 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH328474A CH561942A5 (fr) 1974-03-08 1974-03-08
DE2504300A DE2504300C3 (de) 1974-03-08 1975-02-01 Vorrichtung zur Messung des Absorptionsvermögens eines Mediums, insbesondere von Rauch
US05/549,897 US3994603A (en) 1974-03-08 1975-02-14 Detection system to determine the transmissivity of a medium with respect to radiation, particularly the light transmissivity of smoke-contaminated air, for fire detection
FR7507018A FR2263506B1 (fr) 1974-03-08 1975-03-06
JP1975030251U JPS5426863Y2 (fr) 1974-03-08 1975-03-07
GB966875A GB1469045A (en) 1974-03-08 1975-03-07 Transmission detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH328474A CH561942A5 (fr) 1974-03-08 1974-03-08

Publications (1)

Publication Number Publication Date
CH561942A5 true CH561942A5 (fr) 1975-05-15

Family

ID=4252651

Family Applications (1)

Application Number Title Priority Date Filing Date
CH328474A CH561942A5 (fr) 1974-03-08 1974-03-08

Country Status (6)

Country Link
US (1) US3994603A (fr)
JP (1) JPS5426863Y2 (fr)
CH (1) CH561942A5 (fr)
DE (1) DE2504300C3 (fr)
FR (1) FR2263506B1 (fr)
GB (1) GB1469045A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543815A (en) * 1983-07-15 1985-10-01 Cerberus Ag Device for the detection of foreign components in a gas and an application of the device
DE2856259C2 (fr) * 1978-12-27 1987-01-22 Cerberus Ag, Maennedorf, Zuerich, Ch

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5628530Y2 (fr) * 1977-06-10 1981-07-07
JPS5633551U (fr) * 1979-08-23 1981-04-02
DE3175819D1 (en) * 1980-12-18 1987-02-12 Cerberus Ag Smoke detector according to the radiation extinction principle
US4677426A (en) * 1983-01-28 1987-06-30 Electronic Dust Detection, Inc. Dust detecting ring assembly
FI854809A (fi) * 1984-12-18 1986-06-19 Hochiki Co Branddetektor som baserar sig pao minskat ljus.
US4719360A (en) * 1985-03-11 1988-01-12 Agency Of Industrial Science & Technology Method for determination of concentration of smoke emanating from combustion engine and apparatus for working said method
US4739177A (en) * 1985-12-11 1988-04-19 High Yield Technology Light scattering particle detector for wafer processing equipment
USRE33213E (en) * 1985-12-10 1990-05-08 High Yield Technology Light scattering particle detector for wafer processing equipment
US4857895A (en) * 1987-08-31 1989-08-15 Kaprelian Edward K Combined scatter and light obscuration smoke detector
DE58905587D1 (de) * 1988-03-30 1993-10-21 Cerberus Ag Verfahren zur Brandfrüherkennung.
DE3811475A1 (de) * 1988-04-06 1989-10-19 Deutsche Forsch Luft Raumfahrt Messeinrichtung zur bestimmung des streu- und absorptionskoeffizienten der atmosphaere
GB2241080B (en) * 1990-02-19 1994-06-01 Perkin Elmer Ltd Improvements in or relating to analytical-sampling devices and associated spectrophotometric apparatus and method
GB2245058A (en) * 1990-05-18 1991-12-18 Sieger Ltd A gas detector
DE4214840A1 (de) * 1992-05-05 1993-11-11 Draegerwerk Ag Vorrichtung zur gleichzeitigen Analyse verschiedener Bestandteile eines Fluids
US5333418A (en) * 1992-09-02 1994-08-02 Ronald Chambers Recessed smoke detector
US5568130A (en) * 1994-09-30 1996-10-22 Dahl; Ernest A. Fire detector
DE4437188C2 (de) * 1994-10-18 1999-04-08 Zeiss Carl Jena Gmbh Analysengerät zur Konzentrationsbestimmung
US5818578A (en) * 1995-10-10 1998-10-06 American Air Liquide Inc. Polygonal planar multipass cell, system and apparatus including same, and method of use
US5742399A (en) * 1996-04-18 1998-04-21 American Air Liquide, Inc. Method for stabilizing the wavelength in a laser spectrometer system
US5963336A (en) * 1995-10-10 1999-10-05 American Air Liquide Inc. Chamber effluent monitoring system and semiconductor processing system comprising absorption spectroscopy measurement system, and methods of use
US5880850A (en) * 1996-04-18 1999-03-09 American Air Liquide Inc Method and system for sensitive detection of molecular species in a vacuum by harmonic detection spectroscopy
US5949537A (en) * 1996-04-18 1999-09-07 American Air Liquide Inc. In-line cell for absorption spectroscopy
GB2342987B (en) * 1998-10-20 2003-03-19 David Appleby Improved smoke sensor with a fault monitoring capability
US6876305B2 (en) * 1999-12-08 2005-04-05 Gentex Corporation Compact particle sensor
TW480456B (en) * 2000-02-02 2002-03-21 Umax Data Systems Inc Circular optical reflection device
US6442736B1 (en) 2000-10-03 2002-08-27 L'air Liquide Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'expolitation Des Procedes Georges Claude Semiconductor processing system and method for controlling moisture level therein
DE10058469C1 (de) * 2000-11-24 2002-05-02 Draeger Safety Ag & Co Kgaa Optischer Gassensor
GB2389176C (en) * 2002-05-27 2011-07-27 Kidde Ip Holdings Ltd Smoke detector
EP1552489B1 (fr) * 2002-08-23 2008-12-10 General Electric Company Detecteur de fumee a reaction rapide, ne faisant pas de fausses detections et produisant un signal d'alarme
US7564365B2 (en) * 2002-08-23 2009-07-21 Ge Security, Inc. Smoke detector and method of detecting smoke
GB2423357A (en) * 2005-02-22 2006-08-23 Thorn Security A self-monitoring smoke detector
US7215428B2 (en) * 2005-04-08 2007-05-08 Ion Optics, Inc. Absorption spectroscopy apparatus and method
NO326482B1 (no) * 2005-05-31 2008-12-15 Integrated Optoelectronics As En ny infrarod laserbasert alarm
US8081304B2 (en) 2006-07-31 2011-12-20 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of objects using electromagnetic energy
US7847700B2 (en) * 2007-07-03 2010-12-07 Conforti Fred J System and method for an optical particle detector
US20100266445A1 (en) * 2009-04-21 2010-10-21 Kenneth L. Campagna Portable antimicrobial ultra violet sterilizer
JP2014032068A (ja) * 2012-08-02 2014-02-20 Koptic Inc ガス濃度測定装置
WO2014165003A1 (fr) * 2013-03-12 2014-10-09 Visualant, Inc. Systèmes et procédés permettant une analyse de fluide à l'aide de l'énergie électromagnétique
US9532009B1 (en) * 2013-04-10 2016-12-27 The Boeing Company Systems and methods for detecting contaminants using laser beam path length differences
KR20160130770A (ko) * 2014-03-12 2016-11-14 소니 주식회사 측정 장치 및 측정 방법
DE102014009642B4 (de) * 2014-06-26 2019-08-22 Elmos Semiconductor Aktiengesellschaft Verfahren zur Erfassung physikalischer Größen zur Detektion und Charakterisierung von Gasen, Nebel und Rauch, insbesondere einer Vorrichtung zur Messung der Partikelkonzentration
DE102014220581A1 (de) 2014-10-10 2016-04-14 Robert Bosch Gmbh Brandmeldevorrichtung
DE102016010088A1 (de) 2016-08-23 2018-03-01 Dräger Safety AG & Co. KGaA Messvorrichtung zur Absorptionsmessung von Gasen
JP7171203B2 (ja) * 2018-02-21 2022-11-15 ホーチキ株式会社 感知器
WO2023017321A1 (fr) * 2022-01-30 2023-02-16 Saemi Zohreh Détecteur laser de fumée/mouvement/vibration/température n'ayant pas besoin d'énergie électrique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566385A (en) * 1968-04-22 1971-02-23 Nat Res Dev Fire detecting apparatus sensitive to refraction
JPS5431833B2 (fr) * 1972-12-28 1979-10-09
US3872315A (en) * 1973-12-21 1975-03-18 Babcock & Wilcox Co Radiation sensitive fluid analyzer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2856259C2 (fr) * 1978-12-27 1987-01-22 Cerberus Ag, Maennedorf, Zuerich, Ch
US4543815A (en) * 1983-07-15 1985-10-01 Cerberus Ag Device for the detection of foreign components in a gas and an application of the device

Also Published As

Publication number Publication date
DE2504300C3 (de) 1979-09-27
DE2504300A1 (de) 1975-09-11
FR2263506B1 (fr) 1980-08-01
FR2263506A1 (fr) 1975-10-03
GB1469045A (en) 1977-03-30
US3994603A (en) 1976-11-30
JPS5426863Y2 (fr) 1979-09-04
JPS50118991U (fr) 1975-09-29
DE2504300B2 (de) 1979-02-01

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Legal Events

Date Code Title Description
PL Patent ceased