| 摘要 |
PROBLEM TO BE SOLVED: To provide a hearing aid that is sited for hearing only a required sound mainly, when a person slightly hard of hearing talks with another person or watches television. SOLUTION: The hearing aid comprises a body section 1, having a microphone 3 and a battery for drive, and a loudspeaker section 2 that is composed by a skeleton conduction loudspeaker 8. The skeleton loudspeaker is preferably formed, by providing a yoke having a central magnetic pole where a voice coil is wound, extending the yoke in four directions, arranging a magnet at two opposing sections in the extended section, and at the same time, erecting a diaphragm-fixing section at the other two sections and fixing the diaphragm at the diaphragm-fixing section.
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