Information signal recording medium of rotary type with overlapp

Details Information signal recording medium of rotary type with overlapp Information signal recording medium of rotary type with overlapp

1979-07-06

1982-04-27

Konick, Bernard

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

369276, 369111, 3581285, H04N 580, G11B 1100

Patent

active

043274307

ABSTRACT:
An information signal recording medium of rotary type has a flat surface with successions of pits formed therein as respective concavities in response to an information signal. The successions of pits constitute respective circular tracks of a specific pitch. Each it is formed with a width, equal to the width of a track, which is substantially equal to or greater than said pitch of the track.

REFERENCES:
patent: 3438050 (1969-04-01), Ascherbrenner
patent: 3673412 (1972-06-01), Olson
patent: 3701846 (1972-10-01), Zenzefilis
patent: 3787887 (1974-01-01), Burton
patent: 3800099 (1974-03-01), Dickopp
patent: 3894179 (1975-07-01), Jacobs
patent: 3919697 (1975-11-01), Walker
patent: 4051329 (1977-09-01), Blanket
patent: 4084185 (1978-04-01), Lang
patent: 4161752 (1979-07-01), Basilico
patent: 4199782 (1980-04-01), Woods et al.
"Servo disk with overlapping servo and data tracks" by Cimpli IBM Techn. Disc. Bull., vol. 16, No. 6, p. 1818, Nov. 1973.

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