NO823195L - Fremgangsmaate og anordning for reduksjon av feilalarmer i gassvarslingsanlegg frembragt paa grunn av forstyrrende gasser - Google Patents

Fremgangsmaate og anordning for reduksjon av feilalarmer i gassvarslingsanlegg frembragt paa grunn av forstyrrende gasser

Info

Publication number
NO823195L
NO823195L NO823195A NO823195A NO823195L NO 823195 L NO823195 L NO 823195L NO 823195 A NO823195 A NO 823195A NO 823195 A NO823195 A NO 823195A NO 823195 L NO823195 L NO 823195L
Authority
NO
Norway
Prior art keywords
gas
metal oxide
output signal
oxide semiconductor
value
Prior art date
Application number
NO823195A
Other languages
English (en)
Norwegian (no)
Inventor
Stanislaw Bukowiecki
Karlheinz Paglotke
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 NO823195L publication Critical patent/NO823195L/no

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
    • G01N27/123—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature
    • G01N27/124—Circuits particularly adapted therefor, e.g. linearising circuits for controlling the temperature varying the temperature, e.g. in a cyclic manner
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/14—Toxic gas alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
    • G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system

Landscapes

  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Emergency Alarm Devices (AREA)
NO823195A 1981-09-22 1982-09-21 Fremgangsmaate og anordning for reduksjon av feilalarmer i gassvarslingsanlegg frembragt paa grunn av forstyrrende gasser NO823195L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH611581 1981-09-22

Publications (1)

Publication Number Publication Date
NO823195L true NO823195L (no) 1983-03-23

Family

ID=4304501

Family Applications (1)

Application Number Title Priority Date Filing Date
NO823195A NO823195L (no) 1981-09-22 1982-09-21 Fremgangsmaate og anordning for reduksjon av feilalarmer i gassvarslingsanlegg frembragt paa grunn av forstyrrende gasser

Country Status (5)

Country Link
US (1) US4446718A (fr)
EP (1) EP0075101A3 (fr)
CA (1) CA1189351A (fr)
ES (1) ES8308119A1 (fr)
NO (1) NO823195L (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2514898A1 (fr) * 1981-10-16 1983-04-22 Armines Procede, capteur et dispositif de detection de traces ou impuretes gazeuses
JPS5998295A (ja) * 1982-11-27 1984-06-06 能美防災工業株式会社 半導体工場などにおける警報および制御装置
CH668648A5 (de) * 1984-04-04 1989-01-13 Cerberus Ag Verfahren und vorrichtung zum nachweis von reduzierenden gasen in einem gasgemisch.
US4785658A (en) * 1985-12-02 1988-11-22 John Jackson Method and apparatus for sensing hydrocarbon gases
US4896143A (en) * 1987-04-24 1990-01-23 Quantum Group, Inc. Gas concentration sensor with dose monitoring
GB8929168D0 (en) * 1989-12-23 1990-02-28 Hrh Limited Gas detection system
DE19543296C2 (de) * 1995-11-21 2001-02-22 I T V I Internat Techno Ventur Verfahren zur Ermittlung absoluter Gaskonzentrationen unter Verwendung halbleitender Gassensoren
US5764150A (en) * 1996-04-10 1998-06-09 Fleury; Byron Gas alarm
US5792938A (en) * 1996-12-13 1998-08-11 Panametrics, Inc. Humidity sensor with differential thermal detection and method of sensing
FI104654B (fi) * 1996-12-13 2000-03-15 Vaisala Oyj Menetelmä polymeeripohjaisen kaasuanturin selektiivisyyden parantamiseksi
US6095681A (en) * 1998-07-28 2000-08-01 The United States Of America As Represented By The Secretary Of Commerce Method for operating a sensor to differentiate between analytes in a sample
US7604478B2 (en) * 2005-03-21 2009-10-20 Honeywell International Inc. Vapor resistant fuel burning appliance
DE102009047354A1 (de) * 2009-12-01 2011-06-09 Robert Bosch Gmbh Verfahren und Steuergerät zur Detektion einer Gaskonzentration eines Gases aus einem Gasgemisch
EP2762868B1 (fr) * 2013-01-31 2017-03-15 Sensirion AG Détecteur de gaz à oxyde métallique basé sur la diffusion
CN110379142A (zh) * 2019-07-02 2019-10-25 大唐微电子技术有限公司 一种校准报警信息的方法、装置、计算机存储介质及终端

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906473A (en) * 1974-03-08 1975-09-16 Ross Inc Will Method and apparatus for operating a gas sensor
GB1474080A (en) * 1974-07-03 1977-05-18 Nohmi Bosai Kogyo Co Ltd Gas detector
US4012692A (en) * 1974-09-12 1977-03-15 Westfalische Berggewerkschaftskasse Method and apparatus for determining the concentration of one gaseous component in a mixture of gases
GB1526751A (en) * 1975-03-13 1978-09-27 Standard Telephones Cables Ltd Gas sensitive resistive elements
GB1557921A (en) * 1977-01-10 1979-12-19 British Steel Corp Gas monitors
DE2713622A1 (de) * 1977-03-28 1978-10-05 Preussag Ag Feuerschutz Verfahren und vorrichtung zur staubueberwachung

Also Published As

Publication number Publication date
US4446718A (en) 1984-05-08
ES516663A0 (es) 1983-08-16
EP0075101A2 (fr) 1983-03-30
ES8308119A1 (es) 1983-08-16
EP0075101A3 (fr) 1985-12-04
CA1189351A (fr) 1985-06-25

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