| 发明名称 |
Electroacoustical transducer |
| 摘要 |
A loudspeaker driver has a molded plastic basket and a stamped octagonal front pole plate of low reluctance magnetic material molded into the base of the basket. The break edge of the stamped pole plate is used as an undercut for encapsulation. A similar rear octagonal pole plate is employed.
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| 申请公布号 |
US4577069(A) |
申请公布日期 |
1986.03.18 |
| 申请号 |
US19780922557 |
申请日期 |
1978.07.07 |
| 申请人 |
BOSE CORPORATION |
发明人 |
KEEZER, WILLIAM J. |
| 分类号 |
H04R7/12;H04R7/16;H04R9/02;H04R9/04;H04R9/06;H04R31/00;(IPC1-7):H04R9/02 |
主分类号 |
H04R7/12 |
| 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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