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1. (WO2010118748) SENSOR UTILIZING BAND PASS FILTERS

Pub. No.:    WO/2010/118748    International Application No.:    PCT/DK2010/000045
Publication Date: Fri Oct 22 01:59:59 CEST 2010 International Filing Date: Sat Apr 17 01:59:59 CEST 2010
IPC: G01N 21/35
G01J 5/60
Applicants: DANFOSS IXA A/S
JENSEN, Jens Møller
KRISHNA, Arun
MUNCH, Lars
BUCHNER, Rainer
STOLBERG-ROHR, Thomine
MOOS, Henrik Gedde
Inventors: JENSEN, Jens Møller
KRISHNA, Arun
MUNCH, Lars
BUCHNER, Rainer
STOLBERG-ROHR, Thomine
MOOS, Henrik Gedde
Title: SENSOR UTILIZING BAND PASS FILTERS
Abstract:
The invention relates to a sensor having a filter arrangement, downstream of which there is arranged a detector arrangement, and an evaluating device which is connected to the detector arrangement, the filter arrangement has at least a first filter, the suspect filter, which is configured as a band pass filter allowing the passage of a first predetermined band, the suspect band (58), at least one second filter, the reference filter(s), which is configured as a band pass filter allowing the passage of a second predetermined band(s), the reference band(s) (RBl and RB2), and where the detector arrangement has at least one detector associated with at least one of the filters. The band passes reference filters are distributed above and below the band pass of the suspect filter. The sensor with advantage could be utilized within the IR band, and could advantageously be used to detect CO.