Record player with vibration cancellation mechanism

Details Record player with vibration cancellation mechanism Record player with vibration cancellation mechanism

1982-06-08

1984-10-02

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

G11B 2504

Patent

active

044751850

ABSTRACT:
In a record player of the direct drive system wherein a turntable and a motor for driving the turntable are directly coupled; a record player characterized in that a cancellation mechanism is disposed coaxially with the driving motor, said cancellation mechanism performing a reciprocating rotational motion to generate to a torque equal in magnitude and reverse in direction with respect to a torque fluctuation developed by rotation of said driving motor, thereby to cancel counteractive rotational vibrations exerted on a cabinet of said record player by said driving motor.

REFERENCES:
patent: 4425638 (1984-01-01), Suzuki et al.

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