Apparatus for re-recording a digital signal on a record medium a

Details Apparatus for re-recording a digital signal on a record medium a Apparatus for re-recording a digital signal on a record medium a

1983-01-19

1985-12-17

Cardillo, Jr., Raymond F.

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

360 53, 360 54, 371 39, G11B 509, G06F 1100, G06F 1110

Patent

active

045595682

ABSTRACT:
An apparatus for re-recording a new digital signal in a track on a magnetic record medium which has a previously recorded digital signal in the track, the digital signal being arranged in data blocks each containing a sync signal, a data signal, an error correction code signal, and an error detection code signal, comprises a reproducing circuit which reproduces each digital signal recorded on the magnetic record medium, a code generating circuit which supplies a discriminating code signal for each of the data blocks, and a recording circuit which re-records the new digital signal and the respective discriminating code signals in the track on the magnetic record medium.

REFERENCES:
patent: 4211997 (1980-07-01), Rudnick et al.
patent: 4254500 (1981-03-01), Brookhart
patent: 4359772 (1982-11-01), Patel
patent: 4434487 (1984-02-01), Rubinson et al.
R. W. Hamming, Coding and Information Theory, 1980, Prentice Hall, Inc., pp. 184-190, 195.
Hsiao, Single Channel Error Correction in an F-Channel System, IEEE Trans. Computers, VC-17, No. 10.

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