Tone arm assembly

Details Tone arm assembly Tone arm assembly

G - Physics

11

B

181/49

G11B 21/02 (2006.01) G11B 3/085 (2006.01) G11B 3/12 (2006.01)

Patent

CA 1104940

ABSTRACT OF THE DISCLOSURE A tone arm assembly is provided with an electro- magnetic means for moving a tone arm to the horizontal direction, an electro-magnetic detecting means connected to a rotating shaft of the tone arm so as to move integrally with the electro-magnetic means, a control means for apply- ing a motional feedback to the electro-magnetic means, and a velocity setting means for setting the moving velocity of the tone arm in the horizontal direction, whereby a constant velocity servo is applied through the control means.

326841

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