Apparatus and method for simultaneous display of characters...

Details Apparatus and method for simultaneous display of characters... Apparatus and method for simultaneous display of characters...

G - Physics

09

G

375/19

G09G 1/00 (2006.01) G09G 5/26 (2006.01)

Patent

CA 1173177

ABSTRACT Apparatus and method for simultaneous display of alphanumeric characters of variable characer density on a raster scan CRT monitor is disclosed. Circuitry is provided to supply multiple sources of timing for terminal operations, to switch among timing sources without display degradation, and to vary the number of dots per raster line that constitute a character field. The density of display characters may be changed under user control, for each character row.

406715

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