Auto-focus camera module with MEMS capacitance estimator

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United States of America Patent

PATENT NO 9477139
APP PUB NO 20150316834A1
SERIAL NO

14798200

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A MEMS actuator for a compact auto-focus camera module is configured to measure physical values and to estimated values each indicative of position or motion or both of a MEMS component. A smart logic component determines a set of MEMS driver control values based on analyzing the measured physical values and substituting estimated values to more accurately position the MEMS component. A MEMS driver component receives the set of MEMS driver control values and controls the position or motion, or both, of the MEMS component based on the MEMS driver control values.

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Patent Owner(s)

  • DIGITALOPTICS CORPORATION EAST

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McKinley, David Fairfield, US 17 377

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