High-quality character generator

Details High-quality character generator High-quality character generator

1994-08-01

1996-10-08

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345142, G09G 522

Patent

active

055636276

ABSTRACT:
In order to generate a character, the sampling point data of a character are read out of the sampling point file, and are multiplied by an integer to facilitate following processes for forming a high quality character. After that, X and Y coordinates and pressure values are subjected to the interpolation processing by interpolators and are further enlarged therein. The interpolated data are outputted to a circle generator unit of a pattern generator. The circle generator unit calculates parallel horizontal line data and generates independent circles composed of parallel horizontal lines on the basis of interpolated pressure values. The pattern shift unit of the pattern generator shift the independent circles into a pattern composed of parallel horizontal lines on the basis of the interpolated coordinate positions as a pattern. The pattern is reduced by a reduction unit as a pixel data to be stored in an image memory.

REFERENCES:
patent: 4561017 (1985-12-01), Greene
patent: 4748443 (1988-05-01), Uehara et al.
patent: 4831568 (1989-05-01), Ito
patent: 4907282 (1990-03-01), Daly et al.
patent: 4931953 (1990-06-01), Uehara et al.
patent: 4990903 (1991-02-01), Cheng et al.

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