US Patent 7112138 Player tracking communication mechanisms in a gaming machine

A disclosed a player tracking unit provides a multimedia interface with a display and an interface to one or more sound projection devices and a multimedia board for processing digitally formatted program files for output on the multimedia interface. The player tracking unit may provide menus of audio and video programs, such as a menu for a musical jukebox or a menu for a video-on-demand service. Using a “TV-like” interface, a user may be able to select a program to output on the multimedia interface and control playback features of the program.