Saturday, December 26, 2009

invention of telivision set


The televison set was invented by not one person but a group of numerous personnel. The principal idea was based on photoconductivity of the element selenium, founded by Willoughby Smith in 1873. All televisions make use of an image which is scanned to produce a representation time signal, which is then reversed and decoded by the human eye.

On 26 January 1926,
John Logie Baird demonstrated the first public television, which transmitted live moving images. Several months later, 3 July 1928, Baird demonstrated the first colour television. In 1923, Charles Francis Jenkindemonstrated his own version of a primitive television set.

Strangely enough, colour televisions were patented before black and white televisions were even fully functional. The reason being the fact that inventors knew this was possible and each wanted to claim the idea as their own.

Camarena invented the "Chromoscopic adapter for television equipment", which was a basic transmission mechanism for colour television. It was he who received the patent for colour televisions initially in September 15, 1942 adapted in 1960 and further in 1962.

Exclusively electronic systems relied on research by both Philo Taylor Farnsworth and Vladimir Zworykin, in order to mass distribute television programming evident in the modern world.

The first regular transmissions originated in Germany, 1935, using 180 scan lines to deliver the picture. 2 years later these lines increased to 441 in an effort to improve quality.

The first launch outwith Germany was England, 1936, from
Alexandria Place. Baird's system was established but only spanned 4 months, since it contained 240 lines, whereas its successor EMI-Marconi's System A contained 405 lines and delivered a greater quality of picture.

It took almost 20 years for the television to be commonplace in an American household, as in the mid 1950's programming was typical in the majority of homes across the world.

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