发明公开
EP1211911A3 Speaker, in particular used in a portable communication equipment
审中-公开
扬声器，特别是用于在便携式通信设备
- 专利标题： Speaker, in particular used in a portable communication equipment
- 专利标题（中）： 扬声器，特别是用于在便携式通信设备
-
申请号： EP01309609.4申请日： 2001-11-14
-
公开(公告)号： EP1211911A3公开(公告)日： 2008-04-23
- 发明人: Kobayashi, Takashi, c/o Citizen Electronics Co.Ltd , Ohta, Yoshizumi, c/o Citizen Electronics Co. Ltd , Miyamoto, Kazumi, c/o Citizen Electronics Co. Ltd
- 申请人： Citizen Electronics Co., Ltd.
- 申请人地址： 1-23-1, Kamikurechi Fujiyoshida-shi, Yamanashi 403-0001 JP
- 专利权人： Citizen Electronics Co., Ltd.
- 当前专利权人： Citizen Electronics Co., Ltd.
- 当前专利权人地址： 1-23-1, Kamikurechi Fujiyoshida-shi, Yamanashi 403-0001 JP
- 代理机构： Foxon, Rachel Siobhan
- 优先权： JP2000366372 20001130
- 主分类号： H04R9/10
- IPC分类号： H04R9/10 ; H04M1/03 ; H04R7/18
摘要：
A speaker has a case having a peripheral projection, a yoke made of magnetic material and secured to the case, and a permanent magnet provided in the case. A vibrating plate having a peripheral projection is secured to an outside wall of the case at the peripheral projection. A protector plate is secured to the case.
公开/授权文献
信息查询
