RESISTIVE PRESSURE MEASURING CELL HAVING DIAGNOSTIC CAPABILITIES
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United States of America Patent
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Issued Date -
May 16, 2013
app pub date -
Aug 30, 2011
filing date -
Aug 30, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A pressure measuring cell for detecting the pressure prevailing in an adjoining medium, comprising an elastic membrane on which a first electromechanical transducer is arranged, which supplies a first pressure-dependent output signal is provided. According to the invention, a second electromechanical transducer, which supplies a second pressure-dependent output signal, is arranged on the membrane wherein the two transducers are arranged such that with an elastically reversible deformation of the membrane the output signals have a first pressure characteristic, and after an irreversible deformation of the membrane due to an increased pressure load same have a significantly different second pressure characteristic.
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