ELECTRONIC DEVICE AND KEY INPUT PROMPT METHOD
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Apr 14, 2014
filing date -
Dec 26, 2013
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Abstract
The present invention provides an electronic device and a key input prompt method. The electronic device includes: a touch panel; multiple transparent deformation units arranged above the touch panel, each deformation unit corresponding to an area on the touch panel and having an initial shape; a first detection unit detecting whether a virtual keyboard is displayed on the touch panel and acquiring a first determination result; a first specifying unit selecting at least one target character from multiple characters included in the virtual keyboard and specifying a display area of the target character when the first detection result indicates that the virtual keyboard is displayed on the touch panel, a second specifying unit specifying a target deformation unit that corresponds to the display area from the deformation units, and a generation unit generating an excitation source for exciting the target deformation unit, the target deformation unit deforms from the initial shape to a target shape under the control of the excitation source. The electronic device according to the present invention can provide an actual tactile sensation to a user.
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