Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Andrew Stephen Hayward0
Brian Thomas Alfred Wells0
Graham Paul Hopkins0
Date of Patent
September 2, 2008
0Patent Application Number
105377700
Date Filed
December 5, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A gas sensor comprises a body on which is mounted an optical source and a detector means sensitive to light from the source. The body further comprises a channel arranged to admit gas, the channel comprising an elongated groove having reflective surfaces defining a folded optical path for light from the source. The groove is arranged as a serpentine shape or spiral shape so that light from the source to detector travels around the groove being internally reflected within the shape.
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