Data recording method and data reproducing apparatus

Details Data recording method and data reproducing apparatus Data recording method and data reproducing apparatus

1994-01-24

1996-05-14

Hindi, Nabil Z.

Dynamic information storage or retrieval

Signal processing by storage and subsequent retrieval

369 50, 369 4432, G11B 700

Patent

active

055174779

ABSTRACT:
A disc-shaped recording medium (1) is rotationally driven at a velocity equal to N times a rotational velocity of the medium corresponding to the transfer rate of reproduced data so that the same position on the disc-shaped recording medium is scanned M times by a reproducing head (3) so as to read out one track of data M times to store the read out data in a memory (8). One track of playback data are formed from the data stored in the memory and transmitted at a predetermined transfer rate to perform continuous data reproduction even if the reproducing head should be deviated from a track due to vibrations or the like.
A disc-shaped recording medium (21) is also rotationally driven at a velocity equal to N times a rotational velocity of the medium corresponding to the data transfer rate of continuous input data, the input data are stored in a memory (30) having a storage capacity not less than a predetermined volume and data of the predetermined volume stored in the memory are converted into record data having a data transfer rate equal to N times the data transfer rate so that the produced record data will be continuously recorded on the disc-shaped recording medium.

REFERENCES:
patent: 4497050 (1985-01-01), Beetstra
patent: 4796247 (1989-01-01), Vogelsang
patent: 4849833 (1989-07-01), Yoshimura et al.
patent: 4860272 (1989-08-01), Nishikawa et al.
patent: 4982390 (1991-06-01), Tanaka
patent: 5099464 (1992-03-01), Maeda
patent: 5247505 (1993-09-01), Shikichi et al.
patent: 5255102 (1993-10-01), Fushiki

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