| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a head-mounted type image display device enable a user to hear the same voice as a voice outputted from a headphone part even when the headphone part is detached from the ears. <P>SOLUTION: Left and right bone conduction speakers 60 become in an available state by contacting temporal regions of a user M, when a headphone part 50 is detached from ears of the user M by rotating a headphone arm part 20 mounted on the inner surface of both end parts of a head band part 10 which is to be mounted to the head of the user M. <P>COPYRIGHT: (C)2012,JPO&INPIT |
