Electronic device with touch panel
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United States of America Patent
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Sep 1, 2015
Grant Date -
Mar 21, 2013
app pub date -
May 21, 2012
filing date -
Sep 15, 2011
priority date (Note) -
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Abstract
An electronic device includes a power management unit, a touch panel including a first touch area and a second touch area, a first indicator, a second indicator, and a processing unit. The first touch area and the second touch area are respectively located on two sides of the touch panel, and is used to produce touch signals in response to a user's touch. The position of the first indicator and a second indicator are respectively corresponding to the first touch area and the second touch area. The processing unit controls the power management unit to provide power to the first indicator only when determining the first touch area is touched by the user according to the touch signals received by it, and control the power management unit to provide power to the second indicator only when determining the second touch area is touched.
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