| 摘要 |
PROBLEM TO BE SOLVED: To provide a pen-type portable telephone which can also be used as a writing utensil, and to effectively use its surface. SOLUTION: A keyboard 9 in which operation keys are arranged on a line in the longitudinal direction of a cylindrical housing 1 at a position other than a grip 1a, held by users when the cylindrical housing 1 is used as the writing utensil, so that an area of an operating key of the key board 9 can be made large, and further by arranging the operation keys on a line, a large space can also be ensured for display 3. COPYRIGHT: (C)2005,JPO&NCIPI
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