Method and apparatus for reproducing multiply recorded data

Details Method and apparatus for reproducing multiply recorded data Method and apparatus for reproducing multiply recorded data

1991-07-05

1992-09-01

Psitos, Aristotelis

Illumination

Revolving

360 48, G11B 509

Patent

active

051445000

ABSTRACT:
A digital audio tape recorder is used as a digital data storage recorder and digital signals containing main data and sub-data are recorded in separate areas in each track of a plurality of tracks formed on a recording medium, wherein a predetermined number of tracks constitute a group and a plurality of groups are recorded on the medium. In the sub-area an identification signal is further recorded which indicates whether or not main data recorded in the main areas of a given group is same as the main data recorded in the main areas of preceding and subsequent adjacent groups. When identical data is multiply written for a plurality of units, a division of the multiply written portions is detected, and signal processing is facilitated.

REFERENCES:
patent: 4142209 (1979-02-01), Hedlund et al.
patent: 4533963 (1985-08-01), Nakano et al.
patent: 4575772 (1986-03-01), Shimada et al.
patent: 4873589 (1989-10-01), Inazawa et al.
patent: 4939595 (1990-07-01), Yoshimoto et al.

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