Digital signal reproducing apparatus

Details Digital signal reproducing apparatus Digital signal reproducing apparatus

1996-06-14

1998-04-21

Edun, Muhammad N.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

369124, 369 47, 360 39, G11B 700

Patent

active

057425760

ABSTRACT:
A digital signal reproducing apparatus which can reproduce a digital signal by a sampling clock that is accurately synchronized with a phase of a read signal. A sample value near the zero level is extracted from a sample value sequence obtained by sampling the read signal. When a sample value level of the sample value sequence has a rising tendency, a sampling clock whose phase is corrected on the basis of one of the extracted sample value and an inversion extracted sample value obtained by inverting a polarity of the extracted sample value is generated. When the sample value level of the sample value sequence has a falling tendency, a sampling clock whose phase is corrected on the basis of the other one of the extracted sample value and the inversion extracted sample value is generated.

REFERENCES:
patent: 5455813 (1995-10-01), Hayashi
patent: 5506827 (1996-04-01), Tobita

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