发明公开
EP1282338A2 Electric-mechanical-acoustic-transducer and portable communication device including the same
有权
电气 - 机械 - 音响变换器及具备该同一换能器的便携式通信设备
- 专利标题： Electric-mechanical-acoustic-transducer and portable communication device including the same
- 专利标题（中）： 电气 - 机械 - 音响变换器及具备该同一换能器的便携式通信设备
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申请号： EP02016307.7申请日： 2002-07-24
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公开(公告)号： EP1282338A2公开(公告)日： 2003-02-05
- 发明人: Usuki, Sawako , Saiki, Shuji
- 申请人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 申请人地址： 1006, Oaza-Kadoma Kadoma-shi, Osaka 571-8501 JP
- 专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人： MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
- 当前专利权人地址： 1006, Oaza-Kadoma Kadoma-shi, Osaka 571-8501 JP
- 代理机构： Schwabe - Sandmair - Marx
- 优先权： JP2001224125 20010725
- 主分类号： H04R11/06
- IPC分类号： H04R11/06
摘要：
An electric-mechanical-acoustic-transducer includes a diaphragm; a movable section; a driving section for generating a driving force for vibrating the diaphragm and the movable section; and a suppression section for suppressing a sharpness (Q factor) of a vibration force obtained by the vibration of the movable section.
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