| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a personal digital assistant device, enabling a user experienced in operation for mail communication in a portable telephone set to input by the thumb of one hand holding the device suitable for mail communication and creation of a document by writing from left to right, facilitating visual observation of the Internet screen and electronic book, and facilitating operation to be convenient for carrying even when going out. <P>SOLUTION: In this personal digital assistant, the surface of an oblong operation part body held by one hand is provided with an operation part having an operation surface where keys operable with the thumb of one hand holding the device are arranged, and a plate-like display part elongated from side to side, which has a display screen elongated from side to side with a larger area than the operation surface connected to the upper part of the operation part. <P>COPYRIGHT: (C)2004,JPO</p> |
