Patent ID: 6020863
Filing Date: 2000-02-01
Classification: G06F,G09G,H04N

Abstract:
A display control system for displaying an image on a first display device and a substantially similar image on a screen of a second display device, said display control system comprising:a first data processing device comprising:a first display controller operating in conjunction with a central processing unit and a memory for receiving input data and, in response to said input data, generating digital display data operable to form a first image on said screen of said first display device coupled to said first data processing system and generating display update data operable to modify a portion of said first image; anda first communication port coupled to said first display controller for transmitting said digital display data and said display update data; anda second data processing device comprising:a second communication port for receiving said transmitted digital display data and said transmitted display update data;a second display controller operating in conjunction with a central processing unit and a memory coupled to said second communication port and receiving from said second communication port said transmitted digital display data and said transmitted display update data and, in response to said transmitted digital display data, forming on said screen of said second display device a second image in a window substantially similar to said first image on said screen of said first display device and, in response to said transmitted display update data, modifying a portion of said second image; anda TV tuner for receiving a video signal and generating a background picture on said screen of said second display device, said window selectively overlaying at least a portion of said background picture.