High resolution character generator for digital display units

Details High resolution character generator for digital display units High resolution character generator for digital display units

1977-03-15

1978-10-10

Curtis, Marshall M.

Communications: electrical

Systems

Portable self-contained

178 30, G06F 314

Patent

active

041199545

ABSTRACT:
The disclosure relates to a digital display system including a display monitor and character generation circuitry to create characters on the display screen in the form of a dot matrix during the scanning of the display screen. The display screen is actually scanned twice with each field of scan being controlled by the same sets of signals from the character generator. Logic circuitry is provided between the character generator and the display screen to fill in information bit areas adjacent to character dot areas which form a diagonal so as to thereby give the displayed character a smooth appearance.

REFERENCES:
patent: 3643251 (1972-02-01), Kolb et al.
patent: 3680076 (1972-07-01), Duffek et al.
patent: 3878536 (1975-04-01), Gilliam

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