发明授权
- 专利标题： Digital photo frame with power saving function and related power saving method
- 专利标题（中）： 数码相框具有省电功能及相关省电方式
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申请号： US12186540申请日： 2008-08-06
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公开(公告)号： US08436804B2公开(公告)日： 2013-05-07
- 发明人: Wei-Lun Liu , Huang-Ping Lu , Jheng-Bin Huang , Hsin-Hui Shih , Wen-Chin Wu , Chia-Hsien Li
- 申请人： Wei-Lun Liu , Huang-Ping Lu , Jheng-Bin Huang , Hsin-Hui Shih , Wen-Chin Wu , Chia-Hsien Li
- 申请人地址： TW Xizhi Dist., New Taipei
- 专利权人： Wistron Corporation
- 当前专利权人： Wistron Corporation
- 当前专利权人地址： TW Xizhi Dist., New Taipei
- 代理商 Winston Hsu; Scott Margo
- 优先权： TW96149206A 20071221
- 主分类号： G09G3/36
- IPC分类号： G09G3/36
摘要：
A digital photo frame having power saving functions includes a display panel, a power generation unit for switching a system power according to a power control signal, a user detection unit installed on the display panel for detecting whether a user exists within a specific range to generate a user detection signal, a central processing unit for adjusting backlight intensity of the display panel when the system power is provided by the power generation unit according to the user detection signal and for generating a power switch-off signal when the backlight intensity of the display panel is turned off according to the user detection signal, and a power control unit for generating the power control signal to switch off the system power when the backlight intensity of the display panel is adjusted to be switched off according to the power switch-off signal.