1
Gary M Cook: Computer remote control through a video signal. PC Connection, Robert M Asher, April 24, 1990: US04920503 (63 worldwide citation)

A system for simultaneously using a video signal to provide a video picture and computer data. At the transmitting end, a video signal is digitized and then modified by substituting digital signals representative of computer data for those representative of video pixels. The modified signal is recon ...


2
Gary M Cook: Computer remote control through a video signal. PC Connection, Bromberg & Sunstein, October 5, 1993: US05251301 (44 worldwide citation)

A system for simultaneously using a video signal to provide a video picture and computer data. At the transmitting end, a video signal is digitized and then modified by substituting digital signals representative of computer data for those representative of video pixels. The modified signal is recon ...