| 摘要 |
<P>PROBLEM TO BE SOLVED: To detect that an output device is mounted on the head of a user. Ž<P>SOLUTION: In a head-mount display device which is mounted on the head for outputting at least either video or audio, light from a light emitting part 17 is received by a light receiving part 18 and based on output of the light receiving part 18, a CPU 31, 32 determines whether the device is mounted on the head or not. Ž<P>COPYRIGHT: (C)2009,JPO&INPIT Ž |
