Servomechanism for recording and/or reproducing apparatus...

Details Servomechanism for recording and/or reproducing apparatus... Servomechanism for recording and/or reproducing apparatus...

G - Physics

11

B

352/32.2, 88/94.

G11B 7/00 (2006.01) G11B 7/095 (2006.01) G11B 21/10 (2006.01) G11B 21/20 (2006.01)

Patent

CA 1101543

ABSTRACT OF THE DISCLOSURE A servomechanism for a recording and/or reproducing apparatus using a rotatable recording carrier such as, but not limited to, a rotatable disc on which a video signal is optically recorded, and having a recording and/or reproducing head assembly provided close to or in contact with the carrier, which comprises a servocontrol loop for rendering the positional control to at least a part of the head assembly in response to fluctuations Or the carrier during its revolution which has a gain-frequency characteristic so arranged as to have a plurality of peaks at a frequency corresponding to the revolutions per a second of the carrier and at frequencies of the multiples of the frequency corre- sponding to the revolutions per a second of the carrier.

274616

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