APPLYING A POSITIVE FEEDBACK VOLTAGE TO AN ELECTROMECHANICAL SENSOR UTILIZING A VOLTAGE-TO-VOLTAGE CONVERTER TO FACILITATE A REDUCTION OF CHARGE FLOW IN SUCH SENSOR REPRESENTING SPRING SOFTENING

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20200057087A1
SERIAL NO

16460901

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Abstract

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Reducing a sensitivity of an electromechanical sensor is presented herein. The electromechanical sensor comprises a sensitivity with respect to a variation of a mechanical-to-electrical gain of a sense element of the electromechanical sensor; and a voltage-to-voltage converter component that minimizes the sensitivity by coupling, via a defined feedback capacitance, a positive feedback voltage to a sense electrode of the sense element—the sense element electrically coupled to an input of the voltage-to-voltage converter component. In one example, the voltage-to-voltage converter component minimizes the sensitivity by maintaining, via the defined feedback capacitance, a constant charge at the sense electrode. In another example, the electromechanical sensor comprises a capacitive sense element comprising a first node comprising the sense electrode. Further, a bias voltage component can apply a bias voltage to a second node of the electromechanical sensor. In yet another example, the electromechanical sensor comprises a piezoelectric sense element.

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Patent Owner(s)

Patent OwnerAddress
INVENSENSE INC1745 TECHNOLOGY DRIVE SUITE 200 SAN JOSE CA 95110

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Seeger, Joseph Menlo Park, US 81 1426
Shettigar, Pradeep San Jose, US 2 0

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