Stroke written shadow-mask multi-color CRT display system

Details Stroke written shadow-mask multi-color CRT display system Stroke written shadow-mask multi-color CRT display system

1978-03-13

1980-04-29

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

315367, 340739, 340740, G06K 1520

Patent

active

042008662

ABSTRACT:
A stroke writing generator develops selectively incremented and/or decremented horizontal and vertical deflection signals which simultaneously deflect all color associated beams of a conventional shadow-mask multi-color cathode ray tube to cause the beams to trace out a selected symbology on the tube screen. A video color code generator, operating in clock-defined synchronism with the stroke writing generator, selectively effects turn-on permutations of plural video amplifiers driving associated electron beams in the cathode ray tube to facilitate preprogrammed color tinting of the displayed symbology.

REFERENCES:
patent: 3471847 (1969-10-01), McCollough et al.
patent: 3577031 (1971-05-01), McCormick et al.
patent: 3668686 (1972-06-01), Strohmeyer
patent: 3775760 (1973-11-01), Strathman
patent: 3786483 (1974-01-01), Sinobad
patent: 3836890 (1974-09-01), Arkell

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