Invention Grant
- Patent Title: Bobbin and loudspeaker using the same
- Patent Title (中): 线轴和扬声器使用相同
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Application No.: US12824371Application Date: 2010-06-28
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Publication No.: US08411895B2Publication Date: 2013-04-02
- Inventor: Liang Liu , Jia-Ping Wang
- Applicant: Liang Liu , Jia-Ping Wang
- Applicant Address: CN Beijing TW New Taipei
- Assignee: Tsinghua University,Hon Hai Precision Industry Co., Ltd.
- Current Assignee: Tsinghua University,Hon Hai Precision Industry Co., Ltd.
- Current Assignee Address: CN Beijing TW New Taipei
- Agency: Altis Law Group, Inc.
- Priority: CN200910108181 20090626
- Main IPC: H04R1/22
- IPC: H04R1/22 ; H04R9/02
Abstract:
A bobbin is a hollow tubular structure formed of a carbon nanotube composite structure. A loudspeaker includes a magnetic circuit; a bobbin; a voice coil; and a diaphragm. The magnetic circuit defines a magnetic gap. The bobbin is located in the magnetic gap. The voice coil is wounded on the bobbin. The diaphragm includes an inner rim fixed to the bobbin. The bobbin is a hollow tubular structure formed of a carbon nanotube composite structure.
Public/Granted literature
- US20100329501A1 BOBBIN AND LOUDSPEAKER USING THE SAME Public/Granted day:2010-12-30
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