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They did much of the developmental work on NTSC color. So much so that they are listed on the patent notice label of every CT-100. Here are two bits of trivia about their participation. As of 1999, the name had survived a number or mergers.
[1] On October 15, 1953, thirteen manufacturers showed 15-inch NTSC color television sets to the FCC and press. Here’s a list of companies who demonstrated working sets that day at New York’s Waldorf=Astoria hotel:
Admiral
CBS
Crosley
Emerson
General Electric
Hallicrafter
Hazeltine
Motorola
Philco
RCA
Sylvania
Westinghouse
Zenith
[2] In the fifties, the Hazeltine Company on Long Island, New York developed a system for viewing motion picture negatives as a positive on a tricolor screen, so the image on the display CRT was like looking at a film on a screen in a theater.
The earliest analyzers are now all gone -- the last survivor was an all-tube design from the late fifties still running in India in 1995 that ultimately used a 21FJP22.
Later, a Mexican company traded in a CRT analyzer that was totally inoperable, but it had Hazeltine's very first display, the RCA 15GP22.
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