发明名称 |
SOUND REPRODUCTION DEVICE |
摘要 |
<p>This sound reproduction device has: a first speaker having directivity using the parametric effect; a second speaker having a wider directivity than the first speaker; an information acquisition device that acquires information of a listener; and a drive control unit that is electrically connected to the first speaker, the second speaker, and the information acquisition device. The drive control unit adjust the volume of the first speaker and the volume of the second speaker on the basis of information from the information acquisition device, and outputs audio information from the frist speaker and the second speaker.</p> |
申请公布号 |
WO2013042324(A1) |
申请公布日期 |
2013.03.28 |
申请号 |
WO2012JP05584 |
申请日期 |
2012.09.04 |
申请人 |
PANASONIC CORPORATION;KONNO, FUMIYASU;TAKEDA, KATSU |
发明人 |
KONNO, FUMIYASU;TAKEDA, KATSU |
分类号 |
H04R3/00;H04R1/02;H04R1/32;H04R3/12;H04S5/02;H04S7/00 |
主分类号 |
H04R3/00 |
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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