G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.2
G11B 5/82 (2006.01) G11B 7/00 (2006.01) G11B 7/013 (2006.01) G11B 7/09 (2006.01) G11B 7/14 (2006.01) G11B 17/00 (2006.01) G11B 27/10 (2006.01) G11B 27/30 (2006.01) H04N 5/76 (2006.01)
Patent
CA 1077620
ABSTRACT: A storage disk comprising at least one data track which is composed of spiral-shaped turns or concentrical turns, the data being arranged in the form of data blocks on the turns so that between the data blocks alternately u guide segment or a blank segment is present. The lengths of the unit, measured in angular degrees, consisting of data block and guide segment and the unit consisting of data block and blank segment are substantially the same and are chosen so that the same number of units is accommodated in each turn. The spirals are sub-divided into sectors which contain only data blocks or only guide segments or blank segments. In each sector containing guide segments the radial distance between these segments is substantially twice the distance between the data blocks in each sector containing data blocks. The invention also relates to a device for writing and/or reading data Or a rotating disk as described, comprising a light deflection system which notably includes a slow light deflector and a fast light deflector, the latter deflector scanning the guide segments.
252861
Hill Bernhard
Kruger Johann
Pepperl Rudiger
Hill Bernhard
Kruger Johann
N.v. Philips Gloeilampenfabrieken
Na
Pepperl Rudiger
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