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In 1873, Willoughby Smith, had discovered the photoconductivity of selenium, selenium is a chemical element with 34 atoms.
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The Nipkow disk is a mechanical, geometrically operated image scanning disk.
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John Logie Baird and American Clarence W. Hassel had the idea to use arrays of transparent rods to transmit the images for facsimiles respectively. John Baird’s demonstration of 30 line images was the first with reflective light. He had based his technology off of Paul Nipkow scanning disk along with his later developments with electronics.
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Charles Jenkins invented a mechanical TV system called radio vision and claimed to have transmitted the earliest moving silhouette images.
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Philo Farnsworth was the first inventor to transmit an image of 60 horizontal lines in 1927. A dollar sign was the image that was transmitted. Farnsworth had invented the basis of all current electronic TVs, a dissector tube. He filed for his first TV patent in 1927.
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a Russian inventor Vladimir Zworykin invented an improved Cathode Ray Tube. He called it Kinescope. The Kinescope Tube was highly needed for TV. He was the first to demonstrate a TV system with all the features of modern picture tubes.
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The first successful color broadcasting was in December of 1953. It was first authorized by FCC, and it was based on a system invented by RCA
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the first time remote controls were invented; they had been named “Lazy Bones” by Zenith Electronics Corporation.