Increasing storage density of information storage media

Details Increasing storage density of information storage media Increasing storage density of information storage media

G - Physics

11

B

G11B 7/00 (2006.01) G11B 7/13 (2006.01) G11B 7/135 (2006.01) G11B 7/14 (2006.01) G11B 11/105 (2006.01)

Patent

CA 2043969

DEC PD90-0153 INCREASING STORAGE DENSITY OF INFORMATION STORAGE MEDIA Abstract of the Disclosure A light detection apparatus includes at least one re-imaging lens that re-images a light beam reflected from an optical storage medium, to form an image of a light spot formed by the light beam on the storage medium. At least one detector detects a selected portion of the image. The selected portion of the image contains only such information as is encoded of a region of the optical data storage medium that is illuminated by a corresponding portion of the light spot. app10081.wal

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