DE2659321A1 - Impulsbreiten modulationssystem und schaltungsanordnung fuer heizungs sensor elemente - Google Patents

Impulsbreiten modulationssystem und schaltungsanordnung fuer heizungs sensor elemente

Info

Publication number
DE2659321A1
DE2659321A1 DE19762659321 DE2659321A DE2659321A1 DE 2659321 A1 DE2659321 A1 DE 2659321A1 DE 19762659321 DE19762659321 DE 19762659321 DE 2659321 A DE2659321 A DE 2659321A DE 2659321 A1 DE2659321 A1 DE 2659321A1
Authority
DE
Germany
Prior art keywords
circuit
transistor
electrical
bridge
pulses
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
DE19762659321
Other languages
German (de)
English (en)
Inventor
Harold M Eldridge
Jun Raymond G Shield
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Monitors Inc
Original Assignee
General Monitors Inc
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 General Monitors Inc filed Critical General Monitors Inc
Publication of DE2659321A1 publication Critical patent/DE2659321A1/de
Pending legal-status Critical Current

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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • 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
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
DE19762659321 1975-12-31 1976-12-29 Impulsbreiten modulationssystem und schaltungsanordnung fuer heizungs sensor elemente Pending DE2659321A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64583875A 1975-12-31 1975-12-31

Publications (1)

Publication Number Publication Date
DE2659321A1 true DE2659321A1 (de) 1977-07-14

Family

ID=24590676

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19762659321 Pending DE2659321A1 (de) 1975-12-31 1976-12-29 Impulsbreiten modulationssystem und schaltungsanordnung fuer heizungs sensor elemente

Country Status (3)

Country Link
JP (1) JPS5289999A (xx)
DE (1) DE2659321A1 (xx)
FR (1) FR2337339A1 (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607065A1 (de) * 1985-03-04 1986-09-04 Ricoh Co., Ltd. Fuehleinrichtung
WO2006111727A1 (en) * 2005-04-19 2006-10-26 City Technology Limited Gas sensor assembly with catalytic element

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2434389A1 (fr) * 1978-08-25 1980-03-21 Charbonnages De France Appareil de mesure d'un constituant d'une atmosphere
US4735082A (en) * 1986-07-14 1988-04-05 Hewlett-Packard Company Pulse modulated thermal conductivity detector
CN112857406B (zh) * 2021-01-08 2023-05-23 重庆开谨科技有限公司 一种高压激励的惠斯顿电桥测量方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607065A1 (de) * 1985-03-04 1986-09-04 Ricoh Co., Ltd. Fuehleinrichtung
WO2006111727A1 (en) * 2005-04-19 2006-10-26 City Technology Limited Gas sensor assembly with catalytic element
GB2439906A (en) * 2005-04-19 2008-01-09 City Tech Gas sensor assembly with catalytic element
GB2439906B (en) * 2005-04-19 2010-01-06 City Tech Gas sensor assembly with catalytic element

Also Published As

Publication number Publication date
FR2337339A1 (fr) 1977-07-29
FR2337339B3 (xx) 1979-09-07
JPS5289999A (en) 1977-07-28

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