Digital photo frame with a power saving function and a power saving method thereof
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United States of America Patent
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N/A
Issued Date -
Jul 16, 2009
app pub date -
Mar 10, 2008
filing date -
Jan 16, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A digital photo frame with a power saving function includes a time-counting unit, a sensing unit, a displaying unit, and a processing unit. The time-counting unit is used for generating a time-counting signal. The sensing unit is used for sensing the environmental status and generating a sensing signal. The displaying unit is used for displaying an image data. The processing unit controls the sensing unit and the displaying unit. The processing unit further uses a power control unit to control the power supply according to the time-counting signal and the sensing signal so that the digital photo frame operates in a normal mode. After the processing unit does not receive the sensing signal within a pre-determined period counted by the time-counting signal, the processing unit controls the power supply so that the digital photo frame operates in a power saving mode. Hereby, the goal of power saving is achieved.
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