Optical disk reproducing method and apparatus

Details Optical disk reproducing method and apparatus Optical disk reproducing method and apparatus

1994-03-02

1995-11-14

Nelms, David C.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369100, 369106, G11B 7125

Patent

active

054673372

ABSTRACT:
In an optical disk reproducing apparatus including an optical disk, an optical disk rotating device, a light source for radiating a reproduction beam on the optical disk, a light condensing device for condensing the reproduction beam on the optical disk, a detection device for detecting a beam passing through or reflected by the optical disk, and a position detection device for detecting a reproduction beam condensing position, or in a method using this apparatus, the intensity of the reproduction beam is changed in accordance with the reproduction beam condensing position on the optical disk to perform reproduction.

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Ohta, M. et al, "Read Out Mechanism of Magnetically Induced Super Resolution", Proceedings of Magneto-Optical Recording International Symposium '91, vol. 15, (1991), pp. 319-322.
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Patent Abstracts of Japan, vol. 8, No. 18 (P-250), (1455), 26 Jan. 1984 (JP-A-58 177 534).

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