发明申请
- 专利标题: Multifunction speaker
- 专利标题(中): 多功能扬声器
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申请号: US11057198申请日: 2005-02-15
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公开(公告)号: US20050180593A1公开(公告)日: 2005-08-18
- 发明人: Hiroo Kajiwara , Kazumi Miyamoto
- 申请人: Hiroo Kajiwara , Kazumi Miyamoto
- 专利权人: Citizen Electronics Co., Ltd.
- 当前专利权人: Citizen Electronics Co., Ltd.
- 优先权: JP2004-039075 20040216; JP2004-132292 20040428
- 主分类号: H04R1/06
- IPC分类号: H04R1/06 ; H04R9/06 ; H04R9/10 ; H04R1/00
摘要:
A multifunction speaker comprises a frame made of an insulation material and having a terminal supporting portion, a pair of supporting springs are partly embedded in the frame. A magnetic circuit is resiliently supported in the frame by the springs, a diaphragm is secured to the frame, a coil is secured to the diaphragm, an upper metal protector and a lower metal protector are set on the frame. The upper and lower protectors are secured to each other so as to shield the frame except the terminal supporting portion of the frame, a pair of terminals are provided on the terminal supporting portion, each of the terminals is connected to an end of the coil, and a ground terminal is provided on the terminal supporting portion and is connected to either of the upper and lower protectors.
公开/授权文献
- US07386138B2 Multifunction speaker 公开/授权日:2008-06-10
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