Digital audio disc player including apparatus for finding the be

Details Digital audio disc player including apparatus for finding the be Digital audio disc player including apparatus for finding the be

1982-08-18

1985-05-21

Cardillo, Jr., Raymond F.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 32, 369 44, G11B 700, G11B 1702, G11B 2710

Patent

active

045190577

ABSTRACT:
An apparatus for playing information recorded on a disc in substantially circular tracks on the latter includes a device for rotating the disc; a pickup for reproducing the information recorded on the disc; a tracking control circuit for adjusting the tracking position of the pickup in forward and reverse transverse directions with respect to the tracks; and a circuit operative through the tracking control circuit for selectively establishing a slow-playback mode and a reverse slow-playback mode in each of which, after the pickup reproduces a respective first predetermined number of the tracks while moving in the forward transverse direction, the tracking position of the pickup is moved in the reverse transverse direction a respective second predetermined integral number of tracks, the second predetermined number of tracks being less than twice the first predetermined number of tracks.

REFERENCES:
patent: 4124868 (1978-11-01), Malissin et al.
patent: 4332022 (1982-05-01), Ceshkovsky et al.
patent: 4397009 (1983-08-01), Eriksson
patent: 4403259 (1983-09-01), Masaki

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