Disc player

Details Disc player Disc player

1982-04-27

1986-09-23

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Having power driven transducer assembly

369 41, 369219, 369223, 369233, G11B 700

Patent

active

046139672

ABSTRACT:
An apparatus for reproducing information signals recorded in spiral or coaxial tracks of a record disc includes a pick-up device operative, upon scanning of a track of the disc while the latter is rotated, to reproduce the information signals recorded in the scanned track; a driver for rotating the record disc relative to the pick-up device; a tracking device for controlling the tracing of the tracks by the pick-up device; a transporting device for bodily moving the pick-up device in a radial direction in respect to the axis of rotation of the record disc and thereby normally determining the tracks to be scanned by the pick-up device; and a controller selectively operative for causing the pick-up device to intermittently trace nonadjacent groups of tracks so as to intermittently reproduce the information signal recorded in the nonadjacent groups of tracks, respectively.

REFERENCES:
patent: 4271334 (1981-06-01), Yardy
patent: 4301526 (1981-11-01), Morii et al.
patent: 4307418 (1981-12-01), Mindel et al.

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