14 Aug
1999
14 Aug
'99
4:18 p.m.
Flying spot scanner. Go back about 25-30 years and
you could get one for
test patterns for TV service, B&K was one vendor here in the us. The
patterns were 35MM slides if memory serves.
It seems to me that maybe, just maybe, if you shine a bright enough image
(with very good contrast) at a stock CRT you could detect the variations
in the beam current. I think this was tried a while back in a CRT
specially made for the application in an early memory device.
William Donzelli
aw288(a)osfn.org