Record carrier decoder for multi-track data patterns including e

Details Record carrier decoder for multi-track data patterns including e Record carrier decoder for multi-track data patterns including e

1989-01-06

1991-03-12

Canney, Vincent P.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

360 53, H04N 576, G11B 509

Patent

active

049998285

ABSTRACT:
In a multi-track record carrier the data is stored in words which comprise an increased number of smybols as a result of added redundancy. In order to neutralize so-called burst errors, the symbols of a word are stored in a distributed manner, for example by interleaving. In the case of loss of track, a regrouped word may then actually consist of parts of two or more different words (i.e. words situated on several tracks). Decoding of such a word is prevented in practice in that a series of symbols are invalidated in the case of loss of track, for example by inversion or by means of an invalidity flag.

REFERENCES:
patent: 4477903 (1984-10-01), Immink et al.

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