发明名称 AUDIO DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide an audio device capable of realizing a sharp sound field. <P>SOLUTION: An audio device 1 comprises a speaker 2, a correction circuit 4 for correcting an acoustic signal from a sound source 3 in accordance with an electric signal from the speaker 2, a connection circuit 5 for connecting the speaker 2 and the correction circuit 4, and a control circuit 6 for controlling the correction circuit 4 and the connection circuit 5. The connection circuit 5 is comprised of a relay circuit and the like and is turned into output connection of connecting the speaker 2 and an output I/F 14 of the correction circuit 4 or input connection of connecting the speaker 2 and an input I/F 10 of the correction circuit 4 in accordance with various control signals from the control circuit 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006042247(A) 申请公布日期 2006.02.09
申请号 JP20040223178 申请日期 2004.07.30
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 ABE TOMOAKI
分类号 H04R3/04;B60R11/02;H04R3/00;H04S5/02 主分类号 H04R3/04
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