HAND-HELD ELECTRONIC DEVICE, TOUCH-SENSING COVER AND INITIATION METHOD WITH FUNCTION OF MULTI-TOUCH
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United States of America Patent
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Issued Date -
Jan 28, 2016
app pub date -
May 12, 2015
filing date -
Jul 25, 2014
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Abstract
A touch-sensing cover for hand-held electronic device includes a cover and a touch-sensing structure. The cover is disposed on the other side of the hand-held electronic device opposite to the panel. The touch-sensing structure with its partial or full area is disposed on the cover and has a plurality of detective points to receive a trigger event triggering part of the detective points. The touch-sensing structure includes a first sensing layer having a plurality of first sensing lines. The first sensing lines include the detective points and are coupled to a capacitance detection unit. While the trigger event conforms with an initiative determination condition stored in the hand-held electronic device, the capacitance detection unit detects or starts to detect a plurality of the touch events occurring simultaneously at distinct positions on the cover, and generates a plurality of signals representing the positions where the respective touch events occur.
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