发明名称 |
Stereo reproduction system |
摘要 |
First left and right channel loudspeakers having respective main axes of directivities directed toward left and right listening areas defined in front thereof are provided. In addition, there are provided a second right channel loudspeaker near the first right channel loudspeaker with a main axis of directivity directed toward the left listening area, a second left channel loudspeaker near the first left channel loudspeaker with a main axis of directivity directed toward the right listening area, and signal adjusting means for controlling the relative amplitude and time difference among the signals to be supplied to these loudspeakers.
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申请公布号 |
US4764960(A) |
申请公布日期 |
1988.08.16 |
申请号 |
US19870070994 |
申请日期 |
1987.07.08 |
申请人 |
NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
AOKI, SHIGEAKI;KOIZUMI, NOBUO |
分类号 |
H04R5/02;H04S1/00;(IPC1-7):H04R5/02 |
主分类号 |
H04R5/02 |
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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