CPC Subgroup
G09G 1/07 with combined raster scan and calligraphic display
Full Title
Control arrangements or circuits, of interest only in connection with cathode-ray tube indicators; (cathode-ray oscilloscopes G01R13/20; ) > using single beam tubes (G09G1/26, G09G1/28 take precedence), > with combined raster scan and calligraphic display