Very, very early CoLoR TV

[Steve McVoy]

Username1, the problem with the mechanical (disk) system was picture quality. It was only 30 line resolution.

The Trinoscope was only to demonstrate color TV - RCA never considered selling it. At the time they were developing the tricolor tube, which they thought would be the solution.

There are several one gun color tubes, starting with a 1951 prototype:

http://www.earlytelevision.org/rca_d...al_onegun.html

Later attempts included the Philco Apple and Uniray:

http://www.earlytelevision.org/apple_crt.html