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SE7910424L - Gasmetgivare av halvledartyp - Google Patents

Gasmetgivare av halvledartyp

Info

Publication number
SE7910424L
SE7910424L SE7910424A SE7910424A SE7910424L SE 7910424 L SE7910424 L SE 7910424L SE 7910424 A SE7910424 A SE 7910424A SE 7910424 A SE7910424 A SE 7910424A SE 7910424 L SE7910424 L SE 7910424L
Authority
SE
Sweden
Prior art keywords
gas sensor
type gas
summer type
summer
sensor
Prior art date
Application number
SE7910424A
Other languages
English (en)
Swedish (sv)
Inventor
G Voigt
Original Assignee
Draegerwerk 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 Draegerwerk Ag filed Critical Draegerwerk Ag
Publication of SE7910424L publication Critical patent/SE7910424L/xx

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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Control Of Resistance Heating (AREA)
SE7910424A 1979-03-07 1979-12-18 Gasmetgivare av halvledartyp SE7910424L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2908911 1979-03-07

Publications (1)

Publication Number Publication Date
SE7910424L true SE7910424L (sv) 1980-09-08

Family

ID=6064729

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7910424A SE7910424L (sv) 1979-03-07 1979-12-18 Gasmetgivare av halvledartyp

Country Status (5)

Country Link
JP (1) JPS55143435A (xx)
FR (1) FR2451029A1 (xx)
GB (1) GB2044491A (xx)
NL (1) NL7908932A (xx)
SE (1) SE7910424L (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4467182A (en) * 1981-09-16 1984-08-21 Nordson Corporation Control circuit
DE3431373A1 (de) * 1984-08-25 1986-03-06 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Schadstoffsensor fuer kraftfahrzeuge, arbeitsschutzkabinen usw.
WO1987000634A1 (en) * 1985-07-19 1987-01-29 Hoelter Heinz Process for detecting toxic matter in air which enters a cabin o r similar enclosure where persons are present
EP0354486A3 (de) * 1988-08-12 1990-08-01 E.T.R. Elektronik Technologie Rump Gmbh Vorrichtung zur Durchführung eines Verfahrens zum Zwecke der Identifizierung und Quantifizierung unbekannter gasförmiger Substanzen
US5886614A (en) * 1997-04-11 1999-03-23 General Motors Corporation Thin film hydrogen sensor
US20060199271A1 (en) * 2005-03-07 2006-09-07 Ming-Ren Lian Temperature feedback control for solid state gas sensors

Also Published As

Publication number Publication date
FR2451029A1 (fr) 1980-10-03
JPS55143435A (en) 1980-11-08
GB2044491A (en) 1980-10-15
NL7908932A (nl) 1980-09-09

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