Apparatus for reproducing disc record

Details Apparatus for reproducing disc record Apparatus for reproducing disc record

G - Physics

11

B

352/33.12, 352/2

G11B 27/10 (2006.01) G11B 19/24 (2006.01)

Patent

CA 1177168

ABSTRACT OF THE DISCLOSURE An apparatus for reproducing a disc record on which recorded is a PCM signal in run length limited code includes an input terminal for receiving a reproduced signal from the disc record; a detecting circuit for de- tecting the maximum or minimum transition interval contained in the reproduced signal and for producing a detecting signal, and a comparing circuit for comparing the detecting signal with a reference signal corresponding to the maximum or minimum transition interval during the rotating of the disc record in a predetermined velocity and for producing a control signal to be supplied to a servo circuit for controlling the rotation of the disc record.

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