| 摘要 |
PROBLEM TO BE SOLVED: To add a vibrator function to a case for housing a portable electronic device with a built-in battery. SOLUTION: The case is constructed to house a portable electronic device composed of an electronic circuit; an output means for outputting a vibration generating device actuation signal; and a built-in battery. It further includes housing a means for housing the portable electronic device; an input means into which a vibration generating device actuation signal output from the output means is input while the portable electronic device is housed in the housing means; a vibration generating device actuated when a vibration generating device actuation signal is input; and an external battery for actuating the vibration generating device. COPYRIGHT: (C)2008,JPO&INPIT
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