Disc reproducing system for compensating mechanical imperfection

Details Disc reproducing system for compensating mechanical imperfection Disc reproducing system for compensating mechanical imperfection

1985-09-09

1988-07-05

Faber, Alan

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

369215, G11B 334

Patent

active

047559799

ABSTRACT:
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.

REFERENCES:
patent: 2488936 (1949-11-01), Roberts
patent: 3623734 (1971-11-01), Sakamoto
patent: 3830505 (1974-08-01), Rabinow
patent: 4378491 (1983-03-01), Lehman

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