Magneto-optic disk

Details Magneto-optic disk Magneto-optic disk

1992-12-11

1994-02-08

Nguyen, Hoa T.

Dynamic information storage or retrieval

Storage medium structure

Optical track structure

369 32, 369 4426, 369 4428, 369 47, G11B 724, G11B 1304

Patent

active

052854400

ABSTRACT:
A magneto-optic disk includes tracks each of which is divided into a plurality of blocks in order to define the locations where data is stored. Each block has address information recorded as a pit providing an address. The plurality of blocks are arranged non-equidistantly, or the pattern is changed according to the track position, to enable detection of a sector position or a track position.

REFERENCES:
patent: 4638472 (1987-01-01), Ogata et al.
patent: 4791622 (1988-12-01), Clay et al.
patent: 4807210 (1989-02-01), Kaku et al.
patent: 4879704 (1989-11-01), Takagi et al.
patent: 4888753 (1989-12-01), Enari et al.
patent: 4910725 (1990-03-01), Drexler et al.
patent: 5063546 (1991-11-01), Ito et al.

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