发明名称 Bone conduction earphone
摘要 A bone conduction earphone in which a large magnetic force can be generated and which can achieve improvement of sound quality and reduction of power consumption is provided. A vibration part 3 is provided to include a first magnet 32 and a second magnet 34, which coaxially secure a voice coil 2 on an inner surface 12a of an upper wall 12 of a cylinder-shaped frame 10 having an open lower part and are located in an inner side region and an outer side region of the voice coil 2, and a diaphragm 36 which connects the first magnet 32 and the second magnet 34 to the frame 10. A vibration transmission cushion 5 is provided to a lower part of the frame 10 in order to transmit a vibration of the voice coil 2 and the vibration part 3 to a human body.
申请公布号 US2009304209(A1) 申请公布日期 2009.12.10
申请号 US20080155510 申请日期 2008.06.05
申请人 COSMOGEAR CO., LTD. 发明人 NAKATANI HIDENORI
分类号 H04R25/00;H04R13/00 主分类号 H04R25/00
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