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Essay example - The History and Development of Television
Pages 12 (3012 words)
The concept of the Global Village purports a world in which the electronic media and Information and Communication Technology (ICT) have transcended all barriers of time, space and geographical distance. Without distance, there is no remoteness. The entire world becomes a single entity socially, economically, politically, culturally…
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The word television was coined by a Russian scientist Constantin Perskyi in a paper he presented at the International Electricity Congress at the International World Fair in Paris on August 25, 1900. Even before that, Paul Gottlieb Nipkow, a German student, had patented the first television in 1884. It was a electromechanical device based on the photoconductivity of the element Selenium and Nipkow's spinning disk with a series of holes of equal diameter drilled into it at equal distances. In the camera unit, as the disk spun in front of the object, each hole produced a scan line which was captured by a light detecting device behind it. The scan line was transmitted by radio wave to the reproducer or receiving unit. This basic television and other refinements that came after it were however restricted to transmission of still images and silhouettes. It was only on October 2, 1925 that the Scottish scientist John Logie Baird, who took the lead in development of the electromechanical television, achieved live transmission of moving half-tone images in his laboratory. ...
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