Disc recording and/or reproducing apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 28, 1998
Issued Date -
N/A
app pub date -
Sep 15, 1997
filing date -
Feb 18, 1991
priority date (Note) -
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Abstract
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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Cited Art Landscape
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