EINRICHTUNG ZUR STEUERUNG EINS BEWEGLICHEN ABTASTWANDLERS MIT BEZUG AUF EINEN PLATTEN- FOERMIGEN AUFZEICHNUNGSTRAEGER

摘要

A transducer signal pickup assembly is positioned over a desired portion of video encoded disc medium by apparatus arranged to selectively engage different portions of a first rotating belt to effect movement of the pickup assembly toward or away from the center of the disc. Further positioning of the transducer assembly in a tracking mode for facilitating playback of the signal encoded disc is provided by engaging a second rotating belt.