发明名称 |
PIEZOELECTRIC MICRO SPEAKER |
摘要 |
Provided is a piezoelectric micro speaker. The piezoelectric micro speaker includes a device plate having a front cavity, a front plate having a radiation hole which communicates with the front cavity in front of the device plate, and a rear plate having a rear cavity and a vent portion. A rear portion of the device plate forms a wall of the vent portion. The device plate includes at least one first vent hole which communicates with the vent portion, and the front plate includes at least one second vent hole which communicates with the first vent hole.
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申请公布号 |
US2011085684(A1) |
申请公布日期 |
2011.04.14 |
申请号 |
US20100850301 |
申请日期 |
2010.08.04 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM DONG-KYUN;HWANG JUN-SIK;CHUNG SEOK-WHAN;JEONG BYUNG-GIL |
分类号 |
H04R25/00 |
主分类号 |
H04R25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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