Data reproduction device

Details Data reproduction device Data reproduction device

2008-05-13

2008-05-13

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Binary pulse train information signal

Including sampling or a/d converting

C369S059210, C369S047180, C369S047280, C369S124050

Reexamination Certificate

active

10628687

ABSTRACT:
A data reproduction device for sampling a signal reproduced from a recording medium based on a synchronization clock signal synchronized with the reproduced signal includes: an analog-to-digital conversion part converting the reproduced signal into a first digital signal based on a first clock signal; an interpolation part interpolating the first digital signal so that the first digital signal is equalized with a second digital signal sampled based on a second clock signal having a frequency n times the frequency of the first clock signal; an optimum phase detection part receiving the output of the interpolation part and detecting the phase error between the optimum point of the reproduced signal and the synchronization clock signal; a phase correction part correcting the phase of the reproduced signal based on the phase error; and an information data start detection part detecting the start of information data based on the phase error.

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