Disk recording and reproducing apparatus with speed compensation

Details Disk recording and reproducing apparatus with speed compensation Disk recording and reproducing apparatus with speed compensation

1988-05-06

1991-09-24

Envall, Jr., Roy N.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

358342, 360 7303, 369 58, H04N 592, G11B 1928

Patent

active

050519760

ABSTRACT:
For a disk recording and/or reproducing apparatus which may use either constant angular velocity or constant linear velocity disks, speed compensation circuitry is provided which operates in accordance with RF signal information recorded on a surface of a disk. Irrespective of the nature of the disk being used (CAV or CLV), comparison circuitry within the apparatus provides reliable speed detection and compensation.

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patent: 4575835 (1986-03-01), Nishikawa et al.
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patent: 4733311 (1988-03-01), Yoshinaka
patent: 4758903 (1988-07-01), Noguchi et al.
patent: 4761692 (1988-08-01), Yoshida et al.
patent: 4772950 (1988-09-01), Furuhata et al.
patent: 4855978 (1989-08-01), Kanamaru

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