发明名称 |
Diaphragm and micro-electroacoustic device incorporating the same |
摘要 |
A diaphragm includes a central portion in a center of the diaphragm and an external portion surrounding the central portion. The central portion includes a central section in a center of the central portion, a peripheral section at an outer periphery of the central portion and a connecting section between the central section and the peripheral section. The peripheral section forms at least one protrusion. |
申请公布号 |
US8290200(B2) |
申请公布日期 |
2012.10.16 |
申请号 |
US20090561225 |
申请日期 |
2009.09.16 |
申请人 |
CHEN HWANG-MIAW;FOXCONN TECHNOLOGY CO., LTD. |
发明人 |
CHEN HWANG-MIAW |
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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