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History of Television - Television technology was actually first developed in the 19th century, before commercial radio was conceived of...
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The History of the Television. The first mechanical television systems were developed by John Logie Baird
in England and by Charles Jenkins in the U.S.
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The History of the Television
The first mechanical television systems were developed by John Logie
Baird in England and by Charles Jenkins in the U.S. in the mid 20s.
Picture quality was very poor, and the screens were only an inch or
so wide and were made up of only 30 to 60 lines (compared to 525
lines in the present U.S. system).
John Logie
Baird
These sets used a motor to rotate
a metal disk to produce the picture, rather than a picture tube. A
neon tube behind the disk provided the light. By 1930, television
was being broadcast from over a dozen stations in the U.S., not only
from the major cities such as New York and Boston, but also from
Iowa and Kansas. Several manufacturers were selling sets and kits.
The frequencies used for TV broadcasting at that time could travel
long distances, so reception was possible hundreds of miles from the
station. However, the pictures suffered from not only poor
resolution, but also fading and ghosting.
In Columbus, Ohio, Murray
Mercier, now 89 years old, was one of the first people to watch
television. In England, regularly
scheduled 30 line television programming was first broadcast by the
BBC in September of 1929.
At first, only the picture was
transmitted for a few hours a week, after regular radio broadcasting
was completed for the day. By March of 1930, sound and pictures were
transmitted together. Because of the poor picture quality,
mechanical television was not a success.
By 1933 most stations were
off the air in the United States. 30 line transmission by the BBC
continued until 1935, when electronic television broadcasting
started.
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