| 摘要 |
PROBLEM TO BE SOLVED: To provide a hearing aid which has directional and stereophonic sound performance for a heard sound and can be detached from spectacles when not necessary. SOLUTION: Microphone units 3 and bone conduction units 5 are fitted to a couple of right and left temples 2 of spectacles 1 respectively, and the microphone unit 3 and bone conduction unit 5 fitted to the left-side temple 2 are electrically connected and the microphone unit 3 and bone conduction unit 5 which are fitted to the right-side temple 2 are electrically connected. The microphone units 3 includes directional microphones 7. Further, the bone conduction units 5 are suspended from intermediate parts of the temples 2 and lightly pressed against peripheries of cheekbones of a user. COPYRIGHT: (C)2004,JPO&NCIPI
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