Optical record carrier and apparatus for reading it

Details Optical record carrier and apparatus for reading it Optical record carrier and apparatus for reading it

1979-12-10

1982-01-12

Cardillo, Jr., Raymond F.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 47, 369110, 369111, 369112, 369275, G11B 724

Patent

active

043109160

ABSTRACT:
A record carrier is described in which information is recorded in an optically readable information structure comprising trackwise arranged information areas; as well as an apparatus for reading said record carrier. By arranging the adjacent information track portions on different slopes the track spacing can be reduced without increasing crosstalk.

REFERENCES:
patent: 3919697 (1975-11-01), Walker
patent: 3980811 (1976-09-01), Schaefer et al.
patent: 3992593 (1976-11-01), Heine
patent: 4084185 (1978-04-01), de Lang et al.
patent: 4161752 (1979-07-01), Basilico
patent: 4167024 (1979-09-01), Hamisch
patent: 4209793 (1980-06-01), Ueno
patent: 4209804 (1980-06-01), Dil

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