Line sequential color....

[wa2ise]

Originally Posted by John Folsom

Sorry Charles, the Sony indextron system used a CRT with vertical RGB phosphor stripes, scanned horizontally, with index phosphor stripes used to "know" where the beam was as it scanned

A big problem with this scheme was that the electron beam could never go to full black. Then the system would lose track of what strip it would hit once it came out of a black area of the image. It would look like an LCD display, with dark grey blacks...