| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide proper acoustic separation characteristics of a sound emitted from a plurality of speakers in a single casing. <P>SOLUTION: A keyboard part 3 is provided near the front surface of the casing 1, and left and right speakers 12a and 12b are built in at the rear part of the casing 1. A partition board 8b, for acoustically separating the speakers 12a and 12b in the casing 1, is provided. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
