GB8904084D0 - Gas sensing - Google Patents

Gas sensing

Info

Publication number
GB8904084D0
GB8904084D0 GB898904084A GB8904084A GB8904084D0 GB 8904084 D0 GB8904084 D0 GB 8904084D0 GB 898904084 A GB898904084 A GB 898904084A GB 8904084 A GB8904084 A GB 8904084A GB 8904084 D0 GB8904084 D0 GB 8904084D0
Authority
GB
United Kingdom
Prior art keywords
gas sensing
sensing
gas
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.)
Granted
Application number
GB898904084A
Other versions
GB2218523A (en
GB2218523B (en
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.)
UK Atomic Energy Authority
Original Assignee
UK Atomic Energy Authority
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 UK Atomic Energy Authority filed Critical UK Atomic Energy Authority
Publication of GB8904084D0 publication Critical patent/GB8904084D0/en
Publication of GB2218523A publication Critical patent/GB2218523A/en
Application granted granted Critical
Publication of GB2218523B publication Critical patent/GB2218523B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N27/12—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
GB8904084A 1988-02-29 1989-02-22 Gas sensing Expired - Fee Related GB2218523B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB888804717A GB8804717D0 (en) 1988-02-29 1988-02-29 Gas sensing

Publications (3)

Publication Number Publication Date
GB8904084D0 true GB8904084D0 (en) 1989-04-05
GB2218523A GB2218523A (en) 1989-11-15
GB2218523B GB2218523B (en) 1992-09-02

Family

ID=10632560

Family Applications (2)

Application Number Title Priority Date Filing Date
GB888804717A Pending GB8804717D0 (en) 1988-02-29 1988-02-29 Gas sensing
GB8904084A Expired - Fee Related GB2218523B (en) 1988-02-29 1989-02-22 Gas sensing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB888804717A Pending GB8804717D0 (en) 1988-02-29 1988-02-29 Gas sensing

Country Status (1)

Country Link
GB (2) GB8804717D0 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9110797D0 (en) * 1991-05-18 1991-07-10 Atomic Energy Authority Uk Gas sensors
GB9316280D0 (en) * 1993-08-05 1993-09-22 Capteur Sensors & Analysers Gas sensors
GB9418292D0 (en) 1994-09-10 1994-10-26 Atomic Energy Authority Uk Formaldehyde vapour detector
GB2293015B (en) * 1994-09-10 1998-09-02 Atomic Energy Authority Uk Formaldehyde vapour detector
FI104654B (en) * 1996-12-13 2000-03-15 Vaisala Oyj Process for improving the selectivity of a polymer-based gas sensor
EP0851222A1 (en) * 1996-12-31 1998-07-01 Corning Incorporated Metal oxide semiconductor catalyst hydrocarbon sensor
DE19924906C2 (en) * 1999-05-31 2001-05-31 Daimler Chrysler Ag Semiconductor gas sensor, gas sensor system and method for gas analysis

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155184B (en) * 1984-03-02 1988-04-13 Us Energy Combined sensor device for detecting toxic gases
JPS6170449A (en) * 1984-09-13 1986-04-11 Toshiba Corp Gas detecting element

Also Published As

Publication number Publication date
GB2218523A (en) 1989-11-15
GB2218523B (en) 1992-09-02
GB8804717D0 (en) 1988-03-30

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20080222