From the Museum of Broadcast Communications:
"In 1934 Guillermo Gonzalez Camarena built his own monochromatic camera; by 1939, Gonzalez Camarena had developed a Trichromatic system, and in 1940 he obtained the first patent for color television in the world."

"In 1934 Guillermo Gonzalez Camarena built his own monochromatic camera; by 1939, Gonzalez Camarena had developed a Trichromatic system, and in 1940 he obtained the first patent for color television in the world."


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