| 摘要 |
A better way of replaying a video picture, using a small screenless portable DVD player, is disclosed. As a handy and easy way of charging a mobile telephone is also described by using the screen of the mobile telephone as a screen for a small screenless portable DVD player, and by connecting the small screenless portable DVD player with the mobile telephone with only one cable which transmits both picture signal and sound signal, use of the mobile to play DVDs is made easier. Moreover, by providing a USB terminal that provides electric power from the battery pack of the small screenless portable DVD player, on the side of the DVD player, and by charging electric power to the battery of the mobile telephone through this USB terminal, the mobile telephone is conveniently charged by the ordinarily larger battery of the DVD player.
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