Disk recording and/or reproducing apparatus with compensation fo

Details Disk recording and/or reproducing apparatus with compensation fo Disk recording and/or reproducing apparatus with compensation fo

1984-08-21

1987-10-06

Cardillo, Raymond F.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 32, 369 33, 358342, G11B 2108, G11B 7095

Patent

active

046987967

ABSTRACT:
A low-frequency component of a tracking error signal is supplied to a linear motor employed as a feed motor for controlling relative movement of a disk and pickup in the radial direction of the disk. This prevents a spurious sliding movement of the pickup during a track jump, even if the disk and the player apparatus with which it cooperates are inclined with respect to a horizontal plane.

REFERENCES:
patent: 4330880 (1982-05-01), Van Dijk
patent: 4494154 (1985-01-01), Akiyama
patent: 4539664 (1985-09-01), Deguchi et al.
Patent Abstracts of Japan, vol. 6, No. 145, Aug. 4, 1982, p. 132.
Patent Abstracts of Japan, vol. 7, No. 26, Feb. 2, 1983, p. 172.
Patent Abstracts of Japan, vol. 7, No. 156, Jul. 8, 1983, p. 209.
Patent Abstracts of Japan, vol. 8, No. 48, Mar. 3, 1984, p. 258.

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