| 摘要 |
A bone-conduction microphone of which the microphone unit hardly shifts with respect to the scalp of the user and is held stably, which hardly pick up sound produced when the head of the user moves and resultantly hairs move rubbing each other, of which the input gain is high, and which picks up voice at the top of the head of the user. The bone-conduction microphone is characterized in that the microphone comprises a microphone unit (2) incorporating an acceleration vibration pickup element (5) and personal ornaments (1, 3) for supporting the microphone unit (2) to the head, and the microphone unit (2) has projections (6) contacting the head top and provided on the surface where the unit (2) is in contact with the head when the microphone is worn.
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