Display device for multi moving pictures

Claim 1

A display device for displaying moving pictures and graphic pictures comprising an input unit for inputting moving picture information, a frame memory for storing the input moving picture information, a computer control unit for processing computer commands, a graphic memory for storing at least graphic pictures, a mixer unit for mixing the moving picture information and the graphic picture information, and a means for producing an instruction for displaying moving pictures and graphic pictures simultaneously on a display unit, the improvement comprising: a plurality of moving picture units, each moving picture unit consisting of an input unit, a frame picture and a computer control unit, and a means for mixing moving picture information signals output from the respective moving picture units; wherein said mixing means comprises a plurality of multiplexers connected in cascade, wherein the first multiplexer receives a first moving picture signal and the graphic picture signal and the subsequent multiplexers receive separate moving picture information at one input terminal thereof and the output of the previous multiplexer at another input terminal thereof.