Abstract: An automatic disc changer apparatus operable for selecting and loading any one of a plurality of data discs onto multiple disc players or other data input/output device is disclosed. The disc changer apparatus includes a disc storage rack that stores the discs in a toroidal arrangement, a disc selecting mechanism for selecting a disc for loading onto the data input/output device, a plurality of disc players, and a plurality of disc handling mechanisms, each associated with a disc player, for transferring a selected disc from the disc storage rack to the disc player.

Abstract: An automatic disc changer apparatus operable for selecting and loading any one of a plurality of digital data discs onto the spindle of a disc player or other data input/output device is disclosed. The disc changer apparatus includes a disc storage rack that stores the discs in a toroidal arrangement surrounding the disc player, a disc selecting mechanism for selecting a disc for loading onto the data input/output device, a disc staging mechanism for transferring the selected disc from the disc storage rack to a position adjacent to the data input/output device, and a spindle loading mechanism for loading the selected disc onto the spindle of the data input/ouput device.