| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a microphone system which can suppress noise due to a solid-borne sound and an airborne sound in an oscillation frequency region required for speech recognition. <P>SOLUTION: The microphone system comprises a microphone unit 20 having a microphone 22 provided with a sound receiving section 21 on the front side and a weight 23 attached to the rear surface side of the microphone 22, a first flexible member 30 having an opening 31 communicating with a sound hole 11, and arranged in tight contact with the front side of the microphone unit 20 and a head housing 10, a casing 40 fixed to the head housing 10, and a second flexible member 50 held by the casing 40 and arranged in tight contact with the rear surface side of the microphone unit 20. <P>COPYRIGHT: (C)2012,JPO&INPIT |
