System for storing a plurality of recorded mediums in a reproducing system

摘要

A plurality of rotary circular racks are vertically disposed. Each of the racks has a plurality of radial slits, for storing recording mediums, and a radially formed recess without the slits. The recesses of all racks are located at the same circumferential position. A disc player is provided to be vertically moved passing through the recess for reproducing a disc removed from one of the slits. An encoder comprising a plurality of slits are circumferentially provided on each of the racks, and a sensor is provided for detecting an angular position of each of the slits, whereby an angular position of all of the racks is determined in order to reproduce a selected disc stored in one of the racks.