A display interface device 20 is provided which includes inputs for receiving video data words, the video data words including control codes for controlling the output format of a display, and a video clock signal received from an associated video controller. A first-in/first-out memory 30 is also provided...http://www.google.co.uk/patents/US5625379?utm_source=gb-gplus-sharePatent US5625379 - Video processing apparatus systems and methods
