Reproducing rate control apparatus for information recording dis

Details Reproducing rate control apparatus for information recording dis Reproducing rate control apparatus for information recording dis

1984-04-03

1987-06-23

Faber, Alan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 50, 369 43, 369240, 369111, 369 33, 360 73, 360 722, G11B 2108, G11B 2710, G11B 1924

Patent

active

046758550

ABSTRACT:
A reproducing rate control apparatus for an information recording disc in which pieces of information and absolute times for respective information pieces (representative of the reproduction time measured from the innermost circumference of the information recording disc) are recorded on the disc at a constant linear velocity, a revolution number of the disc at a command position is predicted, rotation of a disc drive motor is controlled so that the disc rotates at a predicted revolution number, and an information reader adapted to read the information recorded on the disc is moved to the command position when the revolution number controlling is effected or after the revolution number controlling has been completed.

REFERENCES:
patent: 3893178 (1975-07-01), Sordello
patent: 4223349 (1980-09-01), Dakin
patent: 4236050 (1980-11-01), Winslow
patent: 4338683 (1982-07-01), Furukawa
patent: 4439849 (1984-03-01), Nobeshima
patent: 4450552 (1984-05-01), Marcantonio
patent: 4530083 (1985-07-01), Ishihara

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