Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John Borchers0
Paul Nickelsberg0
Gary Ash0
Date of Patent
November 18, 2008
0Patent Application Number
116353720
Date Filed
December 7, 2006
0Patent Primary Examiner
Patent abstract
A direct current voltage to heat the sensor wire for powering and extracting a signal voltage from a thermocouple-type vacuum sensor. The direct current used produces a DC offset in the sensor output where the heating current flow is stopped for a short interval and the unbiased sensor voltage is then sampled and stored.
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