A headphone has a speaker unit with a diaphragm and a driving source that vibrates the diaphragm along a driving axis that passes through the speaker unit. The speaker unit has a first face and an opposing second face along the driving axis. The diaphragm and the driving source are installed in the speaker unit between the first and second faces. First and second weighting members are fixed as being in contact with the first and second faces, respectively. The speaker unit and the weighting members are installed in a hosing. At least either of the weighting members is fixed to the housing. The speaker unit is installed in the housing via the weighting members so that the speaker unit is not in direct contact with the housing. The weighting members have a higher specific gravity than the housing.
申请公布号
US2011142276(A1)
申请公布日期
2011.06.16
申请号
US20100928288
申请日期
2010.12.08
申请人
VICTOR COMPANY OF JAPAN, LTD., A CORPORATION OF JAPAN