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
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