Measuring and testing – Gas analysis – Gas chromatography
Patent
1981-04-07
1984-07-03
Kreitman, Stephen A.
Measuring and testing
Gas analysis
Gas chromatography
340634, G01N 2712
Patent
active
044571615
ABSTRACT:
A gas detection device and a method for detecting a gas where gas information including concentrations of gas components in a mixed gas, concentration, presence of specific gas components and the like is detected by measuring, e.g., the output voltages of a plurality of gas sensors having different gas selectivities. The gas selectivities, as a characteristic constant of the specific gas sensor, was previously determined. The measured output voltages and gas selectivities are then used for solving plural simultaneous equations for gas concentrations.
REFERENCES:
patent: 4164862 (1979-08-01), Jackson
patent: 4338281 (1982-07-01), Treitinger et al.
Arima Hideo
Ikegami Akira
Isogai Tokio
Iwanaga Shoichi
Noro Takanobu
Chapman, Jr. John E.
Hitachi , Ltd.
Kreitman Stephen A.
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