Dual turntable record player with torque cancellation

Details Dual turntable record player with torque cancellation Dual turntable record player with torque cancellation

1981-08-28

1984-01-10

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 2504

Patent

active

044256388

ABSTRACT:
A record player wherein a second turntable and motor which are respectively equivalent to an ordinary turntable and motor are additionally disposed, and both the motors are driven and controlled so as to cancel their torques each other, thereby to eliminate a cross modulation distortion from a pickup.

REFERENCES:
patent: 2811047 (1957-10-01), Christoph
patent: 4079942 (1978-03-01), Kunen
patent: 4325133 (1982-04-01), Reitmayer

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