Sensor baseline offset adjustment for a subset of sensor output values

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11294503
APP PUB NO 20190034032A1
SERIAL NO

16152326

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image jaggedness filter is disclosed that can be used to detect the presence of ungrounded objects such as water droplets or coins, and delay periodic baseline adjustments until these objects are no longer present. To do otherwise could produce inaccurate normalized baseline sensor output values. The application of a global baseline offset is also disclosed to quickly modify the sensor offset values to account for conditions such as rapid temperature changes. Background pixels not part of any touch regions can be used to detect changes to no-touch sensor output values and globally modify the sensor offset values accordingly. The use of motion dominance ratios and axis domination confidence values is also disclosed to improve the accuracy of locking onto dominant motion components as part of gesture recognition.

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Patent Owner(s)

  • APPLE INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Westerman, Wayne Carl Burlingame, US 147 15610

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