METHOD AND DEVICE FOR DETERMINING A TOUCH OR TOUCHES
First Claim
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1. A method for determining a touch or touches, comprising:
- obtaining a sensing information;
determining each touch related sensing information in the sensing information;
determining each touch related sensing information having two peaks between zero-crossings; and
analyzing each touch related sensing information having two peaks between zero-crossings to determine whether each touch related sensing information having two peaks between zero-crossings indicates a touch or touches.
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Abstract
A method and device for determining a single touch or multiple touches is disclosed. A touch related sensing information with a single zero-crossing is used for determining a pair of values, and the locations of a pair of centroids are calculated depending on the pair of values. The distance between the locations of the pair of centroids can be used to determine whether the number of touches is one or more.
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Citations
20 Claims
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1. A method for determining a touch or touches, comprising:
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obtaining a sensing information; determining each touch related sensing information in the sensing information; determining each touch related sensing information having two peaks between zero-crossings; and analyzing each touch related sensing information having two peaks between zero-crossings to determine whether each touch related sensing information having two peaks between zero-crossings indicates a touch or touches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A device for determining a touch or touches, comprising a controller or a host for performing the following operations:
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obtaining a sensing information; determining each touch related sensing information in the sensing information; determining each touch related sensing information having two peaks between zero-crossings; and analyzing each touch related sensing information having two peaks between zero-crossings to determine whether each touch related sensing information having two peaks between zero-crossings indicates a touch or touches. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification