| 摘要 |
PROBLEM TO BE SOLVED: To provide a wireless portable device that enables a user to hear even when the user puts his/her ear to any part in an acoustic component while expanding the range on design by eliminating hindrance to appearance design, achieving miniaturization and a weight-reduction of a telephone, and making a display part larger without changing the entire size of the wireless portable device or by further reducing the size of the wireless portable device. SOLUTION: The wireless portable device with a sound generation part is provided with only an oscillation generation part as the sound generation part and a resin panel for receiving oscillation generated by the oscillation generation part. COPYRIGHT: (C)2007,JPO&INPIT
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