Invention Grant
US07667896B2 DVD recording and reproducing system 有权
DVD录制和再现系统

DVD recording and reproducing system
Abstract:
The objective of the present invention is to provide a high-speed, miniaturized, low-cost DVD recording and reproducing system. The present invention is particularly directed to a motorless optical pick-up device for recording and/or reading information on or from an optical disc (CD or DVD), which provides focusing, tracking, seamless layer jumping, tilt compensation, and CD/DVD compatibility.
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