Wireless thermionic sensor
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United States of America Patent
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Feb 27, 2018
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app pub date -
Dec 18, 2014
filing date -
Dec 18, 2014
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Abstract
A thermionic sensor is disclosed. The sensor includes a sensor housing at least partially defining an emission chamber in which at least a partial vacuum is maintained; a cathode disposed in the emission chamber; an anode disposed in the emission chamber and spaced apart from the cathode; and an electrically conductive layer disposed in the emission chamber facing the anode and cathode. The thermionic sensor is configured to output a detection signal when the anode and cathode are at substantially the same temperature.
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