Sense position prediction for touch sensing methods, circuits and systems
First Claim
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1. A method, comprising:
- determining a plurality of contact positions of a first object path for a first object proximate to a touch sense region of a touch display;
generating at least a first predicted position based on the plurality of contact positions;
obtaining a subsequent sense position on the touch sense region;
in accordance with a determination that the sense position is within a first proximity to the first predicted position, associating the sense position with the first object path; and
if in accordance with a determination that the sense position is outside of the first proximity from the first predicted position, associating the sense position with a second object path that is distinct from the first object path.
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Abstract
A method can include determining multiple sensed positions of an object path in a touch sense region; generating at least a first predicted position from the sensed positions; and filtering a sense position, including associating the sense position with the object path if it is within a first proximity to at least the first predicted position, and not associating the sense position with the object path if it is outside of at least the first proximity from the first predicted position.
10 Citations
20 Claims
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1. A method, comprising:
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determining a plurality of contact positions of a first object path for a first object proximate to a touch sense region of a touch display; generating at least a first predicted position based on the plurality of contact positions; obtaining a subsequent sense position on the touch sense region; in accordance with a determination that the sense position is within a first proximity to the first predicted position, associating the sense position with the first object path; and if in accordance with a determination that the sense position is outside of the first proximity from the first predicted position, associating the sense position with a second object path that is distinct from the first object path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A touch sense system, comprising:
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a touch sense region on a touch display; and memory; wherein the touch sense system is configured for; determining a plurality of contact positions of a first object path for a first object proximate to a touch sense region of a touch display; generating at least a first predicted position based on the plurality of contact positions; obtaining a subsequent sense position on the touch sense region; in accordance with a determination that the sense position is within a first proximity to the first predicted position, associating the sense position with the first object path; and in accordance with a determination that the sense position is outside of the first proximity from the first predicted position, associating the sense position with a second object path that is distinct from the first object path. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A touch sense system, comprising:
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(1) a processing section including; a sense section configured to obtain a plurality of contact positions identified along an object path in a touch sense region when one or more objects move across the touch sense region; a prediction section configured to; determine that the plurality of contact positions are associated with a constant acceleration, including determining that the plurality of contact positions are created when the one or more objects move across the touch sense region with the constant acceleration; and in accordance with a determination that the plurality of contact positions are associated with the constant acceleration, generate at least a first predicted position based on the plurality of contact positions; and a filter section configured to obtain a sense position and associate the sense position with the object path in accordance with a determination that the sense position is within a first proximity to the first predicted position; and (2) a memory system configured to store at least the plurality of contact positions and the first predicted position.
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Specification