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Essay / Research Paper Abstract
A 4 page look at the technological history of television. Traces the development of the medium from the discovery of selenium to the present day technology. Bibliography lists 8 sources.
Page Count:
4 pages (~225 words per page)
File: D0_Tvtech.doc
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Unformatted sample text from the term paper:
in 1817 which would eventually allow the very first advances in television technology (The World Almanac and Book of Facts, 1996). Selenium was quickly recognized for its characteristic, when
exposed to light, as a strong conductor of electricity and this discovery, coupled with the invention of the cathode ray producing tube, resulted in the first television in 1884 in
Germany by inventor Paul Nipkow. Television has come a long way from those first weak efforts. The first television sets
utilized mechanical scanning disks which served to receive the components of pictures. These components were then etched onto a light-sensitive selenium tube to form the image. The World
Almanac and Book of Facts (1996) reports the discovery of the television iconoscope in the United States in 1923, the electronic television in 1927 in the U.S. also, and the
mechanical scanner in 1923 in Scotland. These weak images would eventually evolve to the point that they would perhaps impact humankind more so than any other technological advancement in
history. Televisions are found in practically every home in every advanced nation. We depend on them not only for entertainment but also for education, emergency information, and news
and current events. Television has of course been significantly refined from those very first efforts at image transmission. Researchers such as Thomas
Edison who worked primarily in the transmission of sound also provided much needed technology for television. With continued refinement the technology which allowed the transmission of electronic signals over
great distances was refined tremendously during the nineteenth and twentieth centuries. First there was the refined version of the mechanical scanning disk and vacuum tube amplifiers coupled with photoelectric
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