The first demonstration of the live transmission of images was by Georges Rignoux and A . Fournier in Paris in 1909 . A matrix of 64 selenium cells, individually wired to a mechanical Kerr cell modulated the light and a series of variously angled mirrors attached to the edge of a rotating disc scanned the modulated beam onto the display screen.
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The first demonstration of the " instantaneous " transmission of images was by Georges Rignoux and A . Fournier in Paris in 1909 . A matrix of 64 selenium cells, individually wired to a mechanical Kerr cell modulated the light and a series of variously angled mirrors attached to the edge of a rotating disc scanned the modulated beam onto the display screen.
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