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专利名称：Calibration device for gas sensors发明人：Roland A. Wood,James Liu申请号：US10856363申请日：20040528公开号：US07073368B2公开日：20060711
专利附图：
摘要：A gas sensor includes a gas detector, a reference gas generator, and a circuit.The reference gas generator includes a heater and a gas releasing material. The gasreleasing material is in proximity to the heater such that, when the heater is energizedduring calibration, the gas releasing material releases an overpressure of a reference gas
to the gas detector and such that, when the heater is not energized, the gas releasingmaterial releases no substantial overpressure of the reference gas to the gas detector.The circuit energizes the heater during calibration and is responsive to an output of thegas detector during the period when the gas detector is provided the reference gas so asto calibrate the gas sensor.
申请人：Roland A. Wood,James Liu
地址：Bloomington MN US,Rockford IL US
国籍：US,US
代理人：Kris T. Fredrick
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