发明名称 |
AN APPARATUS, METHOD AND COMPUTER PROGRAM FOR PROVIDING AN ACOUSTIC OUTPUT SIGNAL |
摘要 |
<p>An apparatus, method and computer program, the apparatus including a loudspeaker configured to convert an electrical input signal into an acoustic output signal; a connecting portion configured to interchangeably connect to either a first adapter or a second adapter where the first adapter is configured to fit in a user's ear canal and the second adapter is configured to fit to a user's concha; and a regulator for regulating sound pressure level created by the acoustic output signal at an ear drum of the user in dependence on whether the first adapter or the second adapter is connected to the connecting portion.</p> |
申请公布号 |
EP2443839(A4) |
申请公布日期 |
2013.12.04 |
申请号 |
EP20100789054 |
申请日期 |
2010.02.24 |
申请人 |
NOKIA CORPORATION |
发明人 |
KELLONIEMI, ANTTI;RAUSSI, TOMMI;TOROPAINEN, JARI |
分类号 |
H04R1/10;H04M1/05;H04M1/60;H04R29/00 |
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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