Disc-shaped recording medium and apparatus for reproducing track

Details Disc-shaped recording medium and apparatus for reproducing track Disc-shaped recording medium and apparatus for reproducing track

1994-03-17

1995-05-23

Epps, Georgia Y.

Dynamic information storage or retrieval

Binary pulse train information signal

Binary signal gain processing

3692753, G11B 1552

Patent

active

054187680

ABSTRACT:
A disc-shaped recording medium in which concentric recording tracks or a spiral recording track is divided circumferentially to form a number of sectors in each of which track addresses are pre-recorded, wherein each position of the track address is formed by a base-m Gray code, and wherein each position is sequentially formed so that the Gray code of positive or negative logic and a negative logic is used for the upper order digit having the value of an even or odd number and the upper order digit having the value of an odd number, respectively.

REFERENCES:
patent: 4677606 (1987-06-01), Ogata et al.
patent: 4823212 (1989-04-01), Knowles et al.
patent: 4924160 (1990-05-01), Tung
patent: 4925717 (1990-05-01), Tsukamura et al.

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