Well, this sort of mechanism has been used for image printing and scanning for a
LONG time. Early weather FAX machines did this starting around WW-II, I
think. Newspapers had halftone converters that used a similar drum
scanning system back in the '30s, I think.
Jon
LONG time. Early weather FAX machines did this starting around WW-II, I
think. Newspapers had halftone converters that used a similar drum
scanning system back in the '30s, I think.
Jon