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.: US12824373Application Date: 2010-06-28
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Publication No.: US08422725B2Publication Date: 2013-04-16
- 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: CN200910108180 20090626
- Main IPC: H04R1/22
- IPC: H04R1/22 ; H04R9/02 ; H04R1/20 ; H04R9/06
Abstract:
A bobbin for a loudspeaker includes at least one base and at least one carbon nanotube structure. The at least one carbon nanotube structure is positioned on at least one surface of the base. 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 and includes at least one carbon nanotube structure. The voice coil is wounded on the bobbin. The diaphragm includes an inner rim fixed to the bobbin.
Public/Granted literature
- US20100329502A1 BOBBIN AND LOUDSPEAKER USING THE SAME Public/Granted day:2010-12-30
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