 :"valensi" redirects here. for the guitarist of the strokes, see nick valensi georges valensi (1889-1980) was a french telecommunications engineer who, in 1938, invented and patented a method of transmitting color images so that they could be received on both color and black & white television sets. rival colour television methods, which had been in development since the 1920s, were incompatible with monochrome televisions. all current widely deployed colour television standards &ndash; ntsc, sÃcam, pal and today's digital standards &ndash; implement his idea of transmitting a signal composed of separate luminance and chrominance. because his invention pre-dated the actual introduction of colour television by so long, his patent was exceptionally extended to 1971.  
1889_births Film_and_video_technology French_inventors French_telecommunications_engineers Television_pioneers