Optical reading device for reducing single distortion and single processing method

A signal processing method and an optical pickup are capable of reducing signal distortion. Before being transmitted over a flexible cable to an optical disk drive controller, light detection signals or their arithmetic results are tracked/held in the optical pickup, wherein the desired portions are...

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Bibliographic Details
Main Author JIAHUA,XU ZHOU
Format Patent
LanguageEnglish
Published 11.04.2007
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
TRANSMISSION
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Summary:A signal processing method and an optical pickup are capable of reducing signal distortion. Before being transmitted over a flexible cable to an optical disk drive controller, light detection signals or their arithmetic results are tracked/held in the optical pickup, wherein the desired portions are tracked and the undesired portions are held. By this way, the interference, which is caused from the undesired portions, to the desired portions is mitigated. Therefore, the stability of an optical disk servo control is improved, especially for a high-speed optical disk system.
Bibliography:Application Number: CN200410057347