Storage disc system with uniform recording density

Details Storage disc system with uniform recording density Storage disc system with uniform recording density

H - Electricity

04

N

352/32.2

H04N 5/781 (2006.01) G11B 19/24 (2006.01)

Patent

CA 1143061

ABSTRACT OF THE DISCLOSURE Method and apparatus for controllably rotating an information storage disc relative to a radially movable optical transducer, whereby information is recorded on the disc in a series of substantially circular and concentrically arranged information tracks. The angular velocity of the disc and the radial velocity of the transducer are controllably adjusted to be inverse- ly proportional to the radius of the particular informa- tion track being recorded, whereby the track is moved at a constant linear velocity relative to the transducer and the successive tracks are equally spaced with respect to each other, and whereby a uniform information record- ing density over the surface of the disc is achieved.

339916

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