发明名称 |
Disc reproducing system for compensating mechanical imperfections |
摘要 |
Means for reducing the effects of vertical perturbations of a phonograph disc surface resulting from disc and/or playback system mechanical imperfections. Such imperfections are compensated by closed loop and/or open loop means wherein the deviations of the record path are detected and employed to minimize the effects of the mechanical imperfections.
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申请公布号 |
US4755979(A) |
申请公布日期 |
1988.07.05 |
申请号 |
US19850774017 |
申请日期 |
1985.09.09 |
申请人 |
DOLBY, RAY M. |
发明人 |
DOLBY, RAY M. |
分类号 |
G11B3/10;G11B19/20;(IPC1-7):G11B3/34 |
主分类号 |
G11B3/10 |
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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