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John Logie Baird

john Logie B John Logie BairdBorn in Helensburgh, Dumbartonshire, U.K., 13 August 1888. Attended Royal Technical College, Glasgow, and Glasgow University. Served as superintendent, Clyde Valley Electric Power Company; helped pioneer television transmission, successfully transmitting image of a Maltese cross several feet, 1924; gave scientists a demonstration of “Noctovision,” a form of infra-red television imaging, 26 January 1926; succeeded with world’s first transatlantic television transmission from London to New York, and produced first television images in natural color, 1928; experimented with stereoscopic television; the BBC adopted his 30-line, mechanically-scanned system, 1929, used for the first televising of the Derby from Epsom, 1931. Recipient: first gold medal of the International Faculty of Science given to an Englishman, 1937; Gold Medal of the International Faculty of Science, 1937. Died in Bexhill, Sussex, U.K., 14 June 1946.

John Logie Baird pioneered early television with the mechanical scanning system he developed from 1923 to the late 1930s. He is remembered today as an inventor (178 patents) with considerable insight, who was in many ways ahead of his time. Among his pioneering ideas were early versions of color television, the video disc, large screen television, stereo television, televised sports, and pay television by closed circuit. But he is also a tragic figure who often worked alone for lack of financial backing and lived to see his technical ideas superseded. He was forgotten by the time he died at the age of 58.

Baird did not select television as a field of endeavor so much as he backed into it. As a teen, he had toyed with the notion of pictures by wireless, as had others fascinated with the new technology. Later, having unsuccessfully tried innovation in several more mundane fields (socks, jams, glass razors, shoe soles), Baird traveled to Hastings (on England’s south coast) in 1923 to see if the sea air would aid his always marginal health. During a series of long walks there, his mind returned to his earlier notions of how to send wireless images. But he was not well trained in electronics, and this lack of basic knowledge often limited his thinking and experiments. Continue reading John Logie Baird

TV History

p nipkow TV HistoryThe 1st Invention

In 1873 Joseph May a telegraph operator from Valentia, Ireland found the light affects  electric selenium resistance. He realized that can be used to change the light into electric current using a selenium photocell. Joseph May with Willoughby Smith (engineers from Telegraph Construction Company Maintenance) to do some further experiments that are reported in the Journal of the Society of Telegraph Engineers.

After some period of time then ever found a small metal plate that can rotate with holes in it by Paul Julius Gottlieb Nipkow (1860-1940) or better known Paul Nipkow in Berlin, Germany at 1884 and referred to as the embryo of the birth of television. Around 1920 John Logie Baird (1888-1946) and Charles Francis Jenkins (1867 – 1934) using the Paul Nipkow’s disc to create a system in the arrest of a picture, transmission, and receive. They make the whole system is based on the television system mechanical movement, both in broadcasting and receive.

Electronic television rather stagnating development in the early years, the more mechanical television was due to cheaper and more resistant rock. Not only that, but also very difficult to get financial support for research electronic TV when TV mechanics are considered able to work with very well at that time. Until finally Vladimir Kosmo Zworykin (1889-1982) and Philo T. Farnsworth (1906-1971) succeeded to the electronic TV. With the cheap cost of running well and the result, the people at the time it gradually began to leave the TV and replace it with a mechanical electronic TV.

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