To provide a bone conduction type receiver capable of simply adjusting a contact position and contact pressure of an acoustic vibrator of a bone conduction speaker and suppressing increase in volume and weight.
The bone conduction type receiver is constituted of a U-shaped arm 1 and a bond conduction speaker part connected to its tip, wherein the bone conduction speaker part is constituted of an adjustment arm 2 having a bending part 4 and the acoustic vibrator 6 provided to its tip, at a connection part 5 between the U-shaped arm 1 and the adjustment arm 2, a hollow part 1-2 is provided at the edge of the U-shaped arm 1, a projected part 2-4 is provided at the edge of the adjustment arm 2, the contact position of the acoustic vibrator 6 is adjusted by changing its plug depth, conditions of pressure welding of the acoustic vibrator 6 is adjusted by reaction force of twist by changing a twisting angle of an axis, and the U-shaped arm 1 and the adjustment arm 2 are fixed by a tightening screw 3 of the connection part 5.
JP3484529 | CALL DEVICE FOR TELEPHONE |
JP3188830 | Canal type earphones |
TAKASHIMA AKIKO
NASHIHARA HIROSHI
HARADA HAJIME
UMEDA HIROKI
JP2000354288A | 2000-12-19 | |||
JPS5551014A | 1980-04-14 | |||
JP2006148295A | 2006-06-08 | |||
JP2006238383A | 2006-09-07 | |||
JPS60167493A | 1985-08-30 | |||
JPH01188796A | 1989-07-28 | |||
JP2007158924A | 2007-06-21 | |||
JPH10234712A | 1998-09-08 |
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