发明名称 ARMATURE TYPE RECEIVER UNIT
摘要 An armature type earphone is provided to increase sound pressure and to reduce a distance from a sound hole to an eardrum by directly connecting a sound tube to the sound hole. A drive unit(300) includes a first receiving part and a second receiving part, and generates a sound. The drive unit includes a first wire insertion groove in which a partial region among partitions is opened. The first receiving part includes a partition. The second receiving part is coupled with the first receiving part, and forms a polyhedron. A housing of hollow type includes a sound tube protruded on a front surface, and receives the drive unit. A circuit board(600) is arranged in one surface of the drive unit, and is electrically connected to the drive unit. The circuit board includes a second wire insertion groove(610) which has an opening in order to overlap with the first wire insertion groove.
申请公布号 KR20090085949(A) 申请公布日期 2009.08.10
申请号 KR20080011897 申请日期 2008.02.05
申请人 I-SOUND CO., LTD. 发明人 PARK, CHUL
分类号 H04R1/10 主分类号 H04R1/10
代理机构 代理人
主权项
地址