March 2009
Intermediate to advanced
320 pages
7h 57m
English
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CHAPTER 11
Scanning the Image
11.1 A Little of the History of Television
Television was developed in the mid-1930s and two very different systems came to the fore: one was based entirely on an electronic platform using cathode ray tube technology that had been developed by the Marconi company; the other was an amalgam of electronics and mechanical shuttering to divide up the picture, developed in England by John Logie Baird, who was almost certainly the first man to transmit a moving picture over the airwaves.
Extraordinarily the Marconi system utilized interlace scanning and Baird’s method used, in effect, progressive scanning. It has taken 70 years for the world to realize that, in this respect, Baird was ahead of his time. Not only in that ...
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