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Submitted by: Submitted to:Hritwik Prof. NayantaraPriyanka

Salima

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� Who invented television?

The beginnings of mechanical television can be traced back tothe discovery of the photoconductivity of the elementselenium by Willough Smith in 1873, the invention of ascanning disk by Paul Gottlieb Nipkow in 1884 and JohnLogie Baird's gives demonstration of televised moving

images in 1926.

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� The fifties became the golden age of television. In the fifties, more TV sets (70million) were sold than children born (40 million).

� In 1952 there were 108 TV stations. Ten years later there were 541. Today there areabout 1,600 stations in the U.S.

� Early programming included news, sports, game shows, sitcoms, children¶s

 programming, variety shows and dramas. Most programming was live. Videotapewas also introduced late in the decade.� The big three networks ± ABC, CBS and NBC ± dominated programming. On any

given night more than 90 percent of viewers were watching one of the big three.� The first issue of TV Guide appeared April 3, 1953, at the cost of 15 cents.� Cable television began to dramatically change the landscape of the industry. No

longer just a ³relay´ service, cable operators began to offer alternative

 programming. In 1980 cable penetration stood at 20 percent. By the end of thedecade, 60 percent of American homes received cable.� CNN signed on the air on June 1, 1980. Other cable networks soon followed. Cable

networks began to take a significant percentage of viewers and advertising dollarsfrom the dominate Big Three networks.

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� HBO, one of the first cable companies, extended its servicefrom the Northeast to nationwide via satellite.

� Ted Turner began using satellite to distribute the signal of hisAtlanta station, to national cable systems as a ³superstation.´

� Broadcasting using satellite technology gave newsorganizations the ability to go ³live´ from almost anywhere inthe world. President Richard Nixon¶s trip to China wastelevised live by all three networks in 1972.

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� Revenue genarated by telivision is around

$268.9 billion in North america acquring the

highest market share(i.e. 39%) declining 1.2%compared to 2008.

�

It is being reduced because of increasing useof internet

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� Mass communication

� Advertising

� Entertainment

�  News and many more

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