A device access controller residing in a first computer system for transferring virtual inputs and outputs representing operations of the first system between the first system and a second system. The device access controller includes a video controller for performing video display operations, a video...http://www.google.ca/patents/US5878248?utm_source=gb-gplus-sharePatent US5878248 - Device access controller for virtual video/keyboard/mouse input/output for remote system management and maintenance
