01-06-2026, 08:35 PM
Beam index tubes date back to the 1950s and the so-called "Apple" tube, though this wasn't a success. https://en.wikipedia.org/wiki/Beam-index_tube
As I said in a previous post, the shadowmask CRT seemed so complex and inefficient (only 20% of the electrons get to the phosphors) that there was a search for alternatives.
As I said in a previous post, the shadowmask CRT seemed so complex and inefficient (only 20% of the electrons get to the phosphors) that there was a search for alternatives.
www.borinsky.co.uk Jeffrey Borinsky www.becg.tv
