Digital signal recording method and apparatus involving precode

Details Digital signal recording method and apparatus involving precode Digital signal recording method and apparatus involving precode

1996-03-21

1998-09-29

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 27, G11B 509

Patent

active

058153314

ABSTRACT:
A digital signal recording method and apparatus for recording a digital signal on a recording medium by dividing the digital signal at intervals of a certain byte number, adding to each of the divided signals a synchronizing signal, a control signal including block address information, and an error detection and correction code to form signal blocks, and precoding each of the signal blocks in order to detect a partial response. Before the precode processing, the digital signal and the error detection and correction code are scrambled on the basis of the control signal, and the control signal is inverted.

REFERENCES:
patent: 4677421 (1987-06-01), Taniyama
patent: 4680791 (1987-07-01), Kato et al.
patent: 4885646 (1989-12-01), Kanota et al.
patent: 5396374 (1995-03-01), Kubota et al.
U.S. Serial No. 08/547622 filed on Oct. 24, 1995 entitled "Input-Output Circuit, Recording Apparatus and Reproduction Apparatus for Digital Video Signal".
"Modulation and Coding for Information Storage", Paul H. Siegel et al., IEEE Communication Magazine, Dec. 1991, pp. 68-86.
U.S. Serial No. 08/518759 filed on Aug. 15, 1995.

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