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Chromatron was invented by Dumont who sold the patent rights to Sony in the 50's, found an article about it in an old magazine from about 1954.
More research - Lawrence tube = Chromatron, Edwin Lawrence inventor of Cyclotron (Nobel Prize), 103 element named after him Lawrencium.
Invented Lawrence tube in 1951, patent completed in 1954 while working for Dumont Labs.
While at RCA he is credited for the Black Matrix shadow mask, among many other things.
Trinitron is a 3 gun tube that uses a wire type of shadow mask, same as was in chromatron the one gun tube.
Last edited by dewickt; 10-14-2003 at 09:34 AM.
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