Measuring and testing – Gas analysis – Detector detail
Patent
1998-09-01
2000-05-02
Williams, Hezron
Measuring and testing
Gas analysis
Detector detail
422 98, 204417, 73 3105, G01N 700, G01N 2726
Patent
active
060558490
ABSTRACT:
A metal oxide semiconductor gas sensor S is connected to a ladder resistance R, and the output voltage is subjected to logarithmic transformation at plural points on a waveform of temperature change by
REFERENCES:
Analytical Chemistry, vol. 68, No. 13, Jul. 1, 1996, pp. 2067-2072, "Gas Sensing Based on a Nonlinear Respsone: Discrimination between Hydrocarbons and Quantifiation of Individual . . . . . ".
Shioiri Akira
Udaka Toshihiro
Figaro Engineering Inc.
Williams Hezron
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