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June 5th, 2007, 17:40
Originally Posted by Prime Junta View Post
The slightly screwy RPG (as in tankbuster, not as in game) sight makes sense (kinda), but what's with the Indian brave?
"Probably the most famous American B&W test pattern is the so-called "Indian Head" monoscope pattern. This pattern was originated by RCA in 1939; it was designed to be generated using a special tube called a monoscope, a CRT which had a metal plate target on which the pattern was printed. The black lines of the pattern would interrupt current flow as the pattern was scanned to provide the desired video output. These tubes could only handle black and white - no shades of grey hence they had to be simulated either with a halftone dot pattern or with patterns of fine lines."
http://www.meldrum.co.uk/mhp/testcard/around_world.html
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