High resolution character generator

Details High resolution character generator High resolution character generator

1976-08-11

1978-03-14

Shaw, Gareth D.

Boots, shoes, and leggings

340324AD, G06F 314

Patent

active

040794580

ABSTRACT:
High resolution character generator for producing rows of characters to be scanned on a display medium. Input data defining characters to be printed in ordered rows of text is sorted to provide specifications for the characters which being on each successive scan line. These specifications are stored initially in an input buffer, and specifications for characters which have been partially printed in a previous scan line are stored in an active character buffer. For each scan line, the character specifications are read first from the active character buffer and then from the input buffer until an end of line specifier is reached. For each character specification received, a font memory containing data defining the characters is cycled. The data from the font memory is decoded and presented to the display medium on a line by line basis.

REFERENCES:
patent: 3581290 (1971-05-01), Sugarman
patent: 3701988 (1972-10-01), Allaart
patent: 3729730 (1973-04-01), Sevilla et al.
patent: 3768093 (1973-10-01), Day
patent: 3893075 (1975-07-01), Orban et al.
patent: 3898627 (1975-08-01), Hooker et al.
patent: 4000486 (1976-12-01), Schomburg
patent: 4012735 (1977-03-01), Keane

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