Optical disk reproducing method and optical disk reproducing...

Details Optical disk reproducing method and optical disk reproducing... Optical disk reproducing method and optical disk reproducing...

G - Physics

11

B

G11B 7/00 (2006.01) G11B 7/007 (2006.01) G11B 7/09 (2006.01) G11B 7/13 (2006.01) G11B 7/135 (2006.01)

Patent

CA 2047606

The present invention relates to a reproducing method for a V-shape groove optical disk. In the method three laser beams irradiate a disk, and the reflected laser beams are focused on three light receiving units through an object lens. The laser beams irradiated on two light receiving units are used for reproducing the signal. Each of the two light receiving units has a light receiving segment which receives a portion of the reflected light beam which is greater than a half of the total reflected light so that the quality of the reproduced signal is improved.

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