Most people today are familiar with some form of television whether it is broadcast or cable
The term "television" is derived from the Greek word tele - meaning far or distant, and vision. It is named such due to its distant transmission of images.
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Television was the first device for transmitting pictures over large distances and it was invented by Philo Farnsworth in 1926.
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Since then, many improvements have been made in the field of television; however, it can still be traced from that original invention by Farnsworth.
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The invention of television has had a major impact on society as a whole with its ability to broadcast information and ideas to people around the world almost instantly. The invention of television was one of the most important inventions in history.
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It revolutionized the way that we communicate with each other. It has also been used as a means to educate and inform people about events taking place around the world.
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One of the first uses of television was to deliver information from a distance via a government broadcast. This primitive form of television is called "broadcast television." It was not very common because it required enormous amounts of power to send signals out over long distances.
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The first public demonstration of electronic television took place at Selfridge's department store in London. The British Broadcasting Corporation (BBC) began these public demonstrations on November 2, 1929 with regular broadcasts beginning on July 2, 1930.
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The BBC transmissions used the vertical blanking interval (VBI) of the screen and transmitted images in horizontal lines. This was before electronic scanning, and the transmission has often been described as "chalk" facsimile. Later in 1931, Max Plank demonstrated a publicly demonstrated color television system at a Berlin movie theater.
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The BBC began regular scheduled black-and-white television broadcasts on September 2, 1936 from Alexandra Palace in London. The BBC began regular transmissions of color television on September 2, 1937 from Alexandra Palace in London.
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Before Farnsworth's invention, televisions tended to be large and bulky with separate circuits for sound and picture components. However, TV with the development of the three-element image dissector by Farnsworth, this changed.
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The image dissector is a vacuum tube that produces a signal when exposed to light. The image dissector was used by Farnsworth to convert images into electrical signals. This revolutionary advancement made it possible to transmit the signal electronically and economically over long distances.
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Television has become an important means of information dissemination in America today. It has broadened the scope of broadcast journalism.
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A form of television called "cable TV" offers certain specialized channels on a subscription basis. This allows people to watch programs of their choice or to receive specific programming not available on broadcast channels.
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Since the invention of television, many improvements have been made in the field of television technology. Scanning was developed and made it possible for viewers to see accurate representations of their favorite programs.
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Improvements such as high definition TV (HDTV), where the displayed images appear much more sharp and clear than on standard TVs, were developed. The emergence of digital cable has allowed for more advanced features such as "pay per view" movies, interactive gaming and other special features to be developed.
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