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Originally Posted by Captainclock
So what's the difference between an Indextron and a Trinitron? I'm wondering because there were also Trinitron video monitors like this as well.
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A world of difference. It boils down to the indextron not using a shadow mask (which means 100% gun emission hits the phosphor = brighter picture), but instead making one color phosphor glow in the just the visible color they made it also glow in (IIRC) the UV spectrum....The UV light was picked up by a photo sensor and used to control which primary color signal was sent to the single gun....It is the culmination of the research the Japanese made into making a practical version of the alternative 50's color CRT designs that the 15GP22 delta-gun CRT put a damper on the design of....