| 摘要 |
PROBLEM TO BE SOLVED: To combine wireless equipment such as a portable telephone with a head mounted display so as to solve the problem wherein a battery capacity of the wireless equipment is small. SOLUTION: The head mounted display 1 is connectable with the portable telephone 7 being the wireless equipment via a cable 8. When they are connected with each other, the power supply from a power-supply device (unillustrated) of the head mounted display 1 is supplied to the portable telephone 7. In this example, a connection part such as a connector is provided to a headphone housing 2 so as to be connected with the cable 8. In general, a size of the head mounted display 1 is larger compared with that of the portable telephone 7 so as to allow mounting of the power-supply device having a larger power-supply capacity to the head mounted display. The power is thereby supplied from the head mounted display 1 to the portable telephone 7. The problem of the small power-supply capacity of the portable telephone 7 is then solved. COPYRIGHT: (C)2008,JPO&INPIT
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