Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Anthony J. Allen0
Date of Patent
July 12, 2011
Patent Application Number
11959922
Date Filed
December 19, 2007
Patent Primary Examiner
Patent abstract
A sensor device determines a value based on a sensed parameter by applying a voltage across two voltage terminals of a sensor. In response, the sensor provides an electrical signal representative of a sensed parameter to a controller via a pair of conductors. The controller samples the electrical signal to determine the value. In addition, the controller alternates the polarity of the voltage applied to the voltage terminals, thereby reducing the risk of damage to the conductors due to ion drift.
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