Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Devlin M. Gualtieri0
Date of Patent
March 23, 2010
0Patent Application Number
118327710
Date Filed
August 2, 2007
0Patent Primary Examiner
Patent abstract
An apparatus for detecting the presence of ice includes a sensor including a radio-frequency transmission line providing a characteristic impedance, a source coupled to the transmission line and operable to inject a wave into the transmission line, a summer operable to create standing wave, the standing wave including the sum of the injected wave and a reflected wave reflected by the end of the transmission line, the summer being connected between the source and the transmission line, and a detector for detecting the voltage of the standing wave. An embodiment may further include a comparator operable to compare the detected voltage with reference data for determining the presence of ice contacting the sensor.
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