| 摘要 |
PURPOSE: An electronic book for improving portability of the electronic book is provided to store data to electronic media thereby storing contents of many books. CONSTITUTION: A media reader reads data recorded in electronic media. A display displays input content of the media reader. A keypad has a plurality of keys. If a user controls the key pad, a control unit deciphers content of the electronic media through the media reader. The control unit displays read result on the display. A power supply unit supplies power source which is necessary for operation.
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