Gas detection apparatus and gas detection method
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United States of America Patent
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Nov 10, 2015
Grant Date -
Nov 29, 2012
app pub date -
May 23, 2012
filing date -
May 26, 2011
priority date (Note) -
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Abstract
A gas is detected using a MEMS gas sensor. The electrical power to a heater in the gas sensor is changed between a low level, a high level suitable for detection of detection target gas, and a 0 level, and, therefore, poisonous gas is evaporated or oxidized at the low level, and the detection target gas is detected at the high level.
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