Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Li-Jen Shih0
Chih-Tai Yeh0
Date of Patent
December 12, 2006
0Patent Application Number
109609910
Date Filed
October 12, 2004
0Patent Primary Examiner
Patent abstract
A digital pressure meter is equipped with an operational (OP) amplifier circuit, and a thermistor circuit is connected with the OP amplifier circuit for causing change of an amplification ratio of the OP amplifier circuit with such that a temperature compensation for output signals is effected; the thermistor circuit includes thermistors with positive temperature coefficient or ones with negative temperature coefficient; with the help of the thermistor circuit, the digital pressure meter can perform a measurement with an accuracy of ±1% FSO (full scale output) within the working temperature range.
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