| 发明名称 |
MAGNETIC CIRCUIT FOR LOUDSPEAKER, AND LOUDSPEAKER USING SAME |
| 摘要 |
The loudspeaker magnetic circuit is an external-magnet type, and has a magnet, an upper plate, and a lower plate. The magnet is sandwiched between the upper plate and the lower plate. At least one of the lower plate and the upper plate is formed of magnetic powder or a mixture of a magnetic powder and resin. |
| 申请公布号 |
US2014348374(A1) |
申请公布日期 |
2014.11.27 |
| 申请号 |
US201414453614 |
申请日期 |
2014.08.07 |
| 申请人 |
Panasonic Corporation |
发明人 |
KUZE MITSUKAZU;KOURA SATOSHI;MIZONE SHINYA;TSUCHIYA GORO;ITANO TETSUSHI |
| 分类号 |
H04R1/00;H04R15/00 |
主分类号 |
H04R1/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A loudspeaker magnetic circuit of an external-magnet type, the loudspeaker magnetic circuit comprising:
a magnet; a lower plate including a joint section to which the magnet is connected; and an upper plate disposed on the magnet, wherein at least one of the upper plate and the lower plate is formed of magnetic powder or a mixture of magnetic powder and resin. |
| 地址 |
Osaka JP |
