| 发明名称 |
CUSHIONED EARPHONES |
| 摘要 |
An earphone having a drive unit (22) carried by an earphone shell (20) and covered by an ear cushion (24) of auxetic foam.
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| 申请公布号 |
WO9948325(A1) |
申请公布日期 |
1999.09.23 |
| 申请号 |
WO1999GB00729 |
申请日期 |
1999.03.10 |
| 申请人 |
NCT GROUP, INC.;JONES, OWEN |
发明人 |
JONES, OWEN |
| 分类号 |
H04R1/10;(IPC1-7):H04R1/10;A61F11/14 |
主分类号 |
H04R1/10 |
| 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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