Pressure transducer with compensation for thermal transients
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United States of America Patent
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Jul 8, 2003
Grant Date -
N/A
app pub date -
Apr 22, 2002
filing date -
Apr 22, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method is disclosed for providing transient temperature compensation in a pressure transducer. The transducer includes a capacitive pressure sensor, the pressure sensor including a diaphragm, at least part of the diaphragm moving in response to changes in a pressure. The transducer may further include an electronic circuit which generates an uncompensated output signal representative of the pressure. The disclosed method generates a compensated output signal according to a function of the uncompensated output signal and a difference between a temperature of the pressure sensor and a temperature of the ambient environment.
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