发明名称 |
Method of making a voice coil with rectangular coil wire and foil leads |
摘要 |
A coil for a speaker in which a rectangular coil wire is formed by being cut from a sheet and then wound on the bobbin with its long direction disposed radially. Electrical connection is made to at least one end of the coil wire by ultrasonic welding to a conductive foil laid between the coil wire and the bobbin.
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申请公布号 |
US4825533(A) |
申请公布日期 |
1989.05.02 |
申请号 |
US19860917646 |
申请日期 |
1986.10.10 |
申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
HAYASHI, JUNKICHI;UCHIDA, TAMOTU |
分类号 |
H01F5/00;H01F41/04;H01F41/06;H01F41/10;H04R9/04;(IPC1-7):H01F41/06 |
主分类号 |
H01F5/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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