| 发明名称 |
A TRANSDUCER APPARATUS WITH A TENSION ACTUATOR |
| 摘要 |
<p>An acoustic transducer comprising: a flexible membrane; and a tension actuator, wherein the tension actuator is configured to be electrically controllable and define to the acoustic properties of the transducer dependent on the tension of the membrane.</p> |
| 申请公布号 |
EP2679024(A4) |
申请公布日期 |
2014.07.23 |
| 申请号 |
EP20110859545 |
申请日期 |
2011.02.25 |
| 申请人 |
NOKIA CORPORATION |
发明人 |
SUVANTO, MIKKO, VELI, AIMO |
| 分类号 |
H04R19/04;H04M1/03;H04R1/22;H04R31/00 |
主分类号 |
H04R19/04 |
| 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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