GB2262337B - Apparatus for sensing a gas by pressure modulation spectroscopy - Google Patents

Apparatus for sensing a gas by pressure modulation spectroscopy

Info

Publication number
GB2262337B
GB2262337B GB9126093A GB9126093A GB2262337B GB 2262337 B GB2262337 B GB 2262337B GB 9126093 A GB9126093 A GB 9126093A GB 9126093 A GB9126093 A GB 9126093A GB 2262337 B GB2262337 B GB 2262337B
Authority
GB
United Kingdom
Prior art keywords
sensing
gas
pressure modulation
modulation spectroscopy
spectroscopy
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.)
Expired - Fee Related
Application number
GB9126093A
Other versions
GB2262337A (en
GB9126093D0 (en
Inventor
John Philip Dakin
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.)
Sensor Dynamics Ltd
Original Assignee
Sensor Dynamics Ltd
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 Sensor Dynamics Ltd filed Critical Sensor Dynamics Ltd
Priority to GB9126093A priority Critical patent/GB2262337B/en
Publication of GB9126093D0 publication Critical patent/GB9126093D0/en
Publication of GB2262337A publication Critical patent/GB2262337A/en
Application granted granted Critical
Publication of GB2262337B publication Critical patent/GB2262337B/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
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/1717—Systems in which incident light is modified in accordance with the properties of the material investigated with a modulation of one or more physical properties of the sample during the optical investigation, e.g. electro-reflectance
GB9126093A 1991-12-09 1991-12-09 Apparatus for sensing a gas by pressure modulation spectroscopy Expired - Fee Related GB2262337B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9126093A GB2262337B (en) 1991-12-09 1991-12-09 Apparatus for sensing a gas by pressure modulation spectroscopy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9126093A GB2262337B (en) 1991-12-09 1991-12-09 Apparatus for sensing a gas by pressure modulation spectroscopy

Publications (3)

Publication Number Publication Date
GB9126093D0 GB9126093D0 (en) 1992-02-12
GB2262337A GB2262337A (en) 1993-06-16
GB2262337B true GB2262337B (en) 1996-03-06

Family

ID=10705921

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9126093A Expired - Fee Related GB2262337B (en) 1991-12-09 1991-12-09 Apparatus for sensing a gas by pressure modulation spectroscopy

Country Status (1)

Country Link
GB (1) GB2262337B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19880369C1 (en) * 1997-03-25 2002-08-08 Siemens Ag Method and device for the non-invasive in vivo determination of blood substances
WO2004054440A1 (en) * 2002-12-13 2004-07-01 Massachusetts Institute Of Technology Vibratory venous and arterial oximetry sensor
DE202004021513U1 (en) 2004-04-20 2008-08-07 Dräger Safety AG & Co. KGaA Gas sensor with increased measuring sensitivity

Also Published As

Publication number Publication date
GB2262337A (en) 1993-06-16
GB9126093D0 (en) 1992-02-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19961209