发明申请
US20050243693A1 Optical recording method using land/groove recording 有权
光盘记录方式采用陆/沟录音

Optical recording method using land/groove recording
摘要:
An optical reproducing apparatus for reproducing information on a medium includes a light source, an optical system for irradiating a light beam generated by the light source on the medium, a detector for detecting a reflected light from the medium; and a reproducer means for reproducing information on the medium by using a signal from the detector. The medium is a substrate having grooves and lands alternately formed thereon in a radial direction, which serve as recording tracks and have prepits.
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