Disc recording and/or reproducing method and apparatus

Details Disc recording and/or reproducing method and apparatus Disc recording and/or reproducing method and apparatus

G - Physics

11

B

G11B 23/32 (2006.01) G11B 7/00 (2006.01) G11B 7/09 (2006.01) G11B 7/125 (2006.01) G11B 7/24 (2006.01) G11B 19/12 (2006.01) G11B 23/03 (2006.01) G11B 23/30 (2006.01) G11B 11/105 (2006.01)

Patent

CA 2061374

A disc recording and reproducing apparatus for use with a disc cartridge which includes an exterior indicator for indicating a reflectance of an optical disc housed in a cartridge body thereof, the disc recording and reproducing apparatus including a detector for detecting the exterior indicator and a setting control circuit for initially setting an output level of a laser light irradiated on the optical disc based on a detection output from the detector before beginning recording or reproducing operations.

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