Multi-touch input discrimination

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United States of America Patent

PATENT NO 9778807
SERIAL NO

14985233

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Abstract

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Techniques for identifying and discriminating between different types of contacts to a multi-touch touch-screen device are described. Illustrative contact types include fingertips, thumbs, palms and cheeks. By way of example, thumb contacts may be distinguished from fingertip contacts using a patch eccentricity parameter. In addition, by non-linearly deemphasizing pixels in a touch-surface image, a reliable means of distinguishing between large objects (e.g., palms) from smaller objects (e.g., fingertips, thumbs and a stylus) is described.

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Patent Owner(s)

Patent OwnerAddress
APPLE INCCUPERTINO CA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Westerman, Wayne Carl Burlingame, US 147 15618

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