Raster scanned display system

Details Raster scanned display system Raster scanned display system

1976-07-06

1978-08-15

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

315364, G06K 1520

Patent

active

041076648

ABSTRACT:
A cathode ray tube (CRT) display system utilizing a parallel line raster scan displays characters formed from matrices of dots written during the parallel line scans. When the parallel lines are vertically displaced horizontal lines, the height of the characters is changed by switching between a sequential scan line raster and an interlaced scan line raster, and the width of the characters is changed by controlling the number of times each of the dots is sequentially displayed in its associated scan line.

REFERENCES:
patent: 3182308 (1965-05-01), Dutton et al.
patent: 3553676 (1971-01-01), Raciti
patent: 3609743 (1971-09-01), Lasoff et al.
patent: 3742482 (1973-06-01), Albrecht et al.
patent: 3878536 (1975-04-01), Gilliam
patent: 3987431 (1976-10-01), Ljung

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