Sync interpolative circuit and sync state detecting circuit of a

Details Sync interpolative circuit and sync state detecting circuit of a Sync interpolative circuit and sync state detecting circuit of a

1994-09-26

1996-05-14

Beausoliel, Jr., Robert W.

Excavating

G06F 1100

Patent

active

055175139

ABSTRACT:
A sync interpolative circuit and sync state detecting circuit for use in a disc reproducing apparatus, which reproduces data by generating an interpolative sync signal even when a sync pattern of reproduced data is changed or no sync signal exists. The sync interpolative circuit generates the interpolative sync signal for accurately reproducing desired data, and the sync state detecting circuit informs a controlling portion of a state of the sync signal detected from the disc to facilitate data processing in the sector unit, thereby providing for more accurate reproduction of data regardless of errors in the sync signal.

REFERENCES:
patent: 4453260 (1984-06-01), Inagawa et al.
patent: 4617594 (1986-10-01), Katagiri et al.
patent: 5016159 (1991-05-01), Maruyama
patent: 5161171 (1992-11-01), Suzuki et al.
patent: 5406569 (1995-04-01), Isozaki

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