| 摘要 |
PROBLEM TO BE SOLVED: To realize a portable telephone system more convenient than a portable telephone system that is operated only by keys without increasing the number of parts used in the portable telephone system. SOLUTION: This mobile telephone system used in a radio communication network is provided with an antenna 2 movable attached to the housing 1 and a control part 12 for controlling the mobile telephone system in accordance with the movement of the antenna 2. COPYRIGHT: (C)2004,JPO
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