Patent ID: 6333750
Filing Date: 2001-12-25
Classification: G06F,G09G,H04N

Abstract:
A video distribution hub, comprising:plural video output ports to communicate with plural video display devices;a video display data bus;a base image processor for selectively providing base image data to said video display data bus, said base image data comprising more data than that which is displayable at one time by at least one video display device attachable to a corresponding one of said output ports;an overlay image processor for selectively merging overlay image data into said base image data on said video display data bus;an output interface for selectively receiving data from said video display data bus as plural video output signals on corresponding ones of the plural video output ports, said received data comprising said selectively provided base image data merged with said selectively provided overlay image data, and said plural video output signals each comprising data which is displayable at one time by at least one video display device attachable to a corresponding one of said output ports.