1
Leland J Bass, Roy F Quick Jr, Ashwin V Shah, Ralph O Wickwire: System for electronically displaying portions of several different images on a CRT screen through respective prioritized viewports. Burroughs Corporation, Charles J Fassbender, Kevin R Peterson, September 17, 1985: US04542376 (98 worldwide citation)

A system for electronically displaying portions of several different images on a CRT screen comprises: a memory for storing a complete first image as several pixels in one section of the memory and a complete second image as several other pixels in another section of the memory such that the total n ...


2
Leland J Bass, Ashwin V Shah, Ralph O Wickwire: System for electronically displaying multiple images on a CRT screen such that some images are more prominent than others. Burroughs Corporation, Charles J Fassbender, Kevin R Peterson, October 29, 1985: US04550315 (87 worldwide citation)

A system for electronically displaying multiple images on a CRT screen such that some of the images are more prominent than others comprises: a control memory for storing control signals which partition the screen into an array of blocks, define multiple prioritized viewports by indicating which blo ...


3
Leland J Bass, Roy F Quick Jr, Ashwin V Shah, Ralph O Wickwire: Method of electronically moving portions of several different images on a CRT screen. Burroughs Corporation, Charles J Fassbender, Kevin R Peterson, December 17, 1985: US04559533 (67 worldwide citation)

A method of electronically moving portions of several different images on a CRT screen includes the steps of: storing a first image in one section of an image memory, and storing a second image in a different section of the image memory; storing control bits in a control memory which define high and ...