METHOD AND APPARATUS FOR UNLOCKING TOUCHSCREEN
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United States of America Patent
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app pub date -
Dec 30, 2014
filing date -
Jul 2, 2012
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Abandoned
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Abstract
Embodiments of the present invention disclose a method for unlocking a touchscreen. The method includes: determining whether at least one target track exists in a touch track, where one endpoint of the at least one target track is coincident with a center of one predetermined closed area, and the other endpoint is on an edge of the one predetermined closed area; if yes, detecting whether a vector of each target track is the same as a gravity vector in direction, the endpoint on the edge of the one predetermined closed area is used as a start point of the vector of each target track, and the endpoint coincident with the center of the one predetermined closed area is used as an end point of the vector of each target track; and performing unlocking when the vector of each target track is the same as the gravity vector in direction.
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