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Optical information carrier, optical device for generating tracking signals and optical device for generating error signals for focussing
Optical information carrier, optical device for generating tracking signals and optical device for generating error signals for focussing
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机译:光学信息载体,用于生成跟踪信号的光学设备和用于生成聚焦误差信号的光学设备
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摘要
the process according to the present invention can be generated from elements of discrete signals or flags prégravure focus error (e) and / or radial tracking error (e). the flags include three secti
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