Handheld device and power saving method therefor
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United States of America Patent
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Oct 21, 2014
Grant Date -
Dec 3, 2009
app pub date -
May 22, 2009
filing date -
May 29, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a handheld device comprising: a processor, which is electrically connected to a light sensor. When the processor determines that a phone call event has occurred, the processor will enable the light sensor to control the display. Moreover, the present invention provides a power saving method for a handheld device that will execute the following steps when a phone call event occurs: measuring an ambient brightness value of the handheld device; continuing determining whether a change of the ambient brightness values satisfies at least one predetermined condition; and turning off a display of the handheld device if the change satisfies the predetermined condition.
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