发明授权
- 专利标题： SPEAKER
- 专利标题（中）： 扬声器
-
申请号： EP06797821.3申请日： 2006-09-12
-
公开(公告)号： EP1793648B1公开(公告)日： 2012-05-16
- 发明人: FUNAHASHI, Osamu c/o Matsushita El. Ind. Co., Ltd.
- 申请人： Panasonic Corporation
- 申请人地址： 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 JP
- 专利权人： Panasonic Corporation
- 当前专利权人： Panasonic Corporation
- 当前专利权人地址： 1006, Oaza Kadoma Kadoma-shi Osaka 571-8501 JP
- 代理机构： Grünecker, Kinkeldey, Stockmair & Schwanhäusser
- 优先权： JP2005279703 20050927
- 国际公布： WO2007037115 20070405
- 主分类号： H04R9/04
- IPC分类号： H04R9/04
摘要：
A speaker comprising a damper for suppressing the rolling of a voice coil body. The damper comprises a corrugated structural part on its inner peripheral part and a plate spring on its outer peripheral part. The corrugated structural part is connected to the voice coil body, and the plate spring is connected to a frame. As a result, the deformation of the speaker can be reduced and the drive efficiency thereof can be improved.
公开/授权文献
- EP1793648A1 SPEAKER 公开/授权日：2007-06-06
信息查询
