Raster display apparatus

Details Raster display apparatus Raster display apparatus

1976-01-08

1977-04-05

Trafton, David L.

Communications: electrical

Systems

Portable self-contained

315367, 315380, G06K 1520, G06F 314

Patent

active

040165540

ABSTRACT:
In a raster display device, such as a cathode-ray tube, in which the display is computed on-the-fly, such as in the raster vector generator type, when the computation of a line, or group of lines, exceeds a given period, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness, and without modulation by video information overflow, is detected by coincidence of a computation signal and line sync.

REFERENCES:
patent: 3706904 (1972-12-01), Mordan
patent: 3737890 (1973-06-01), Salava
patent: 3906480 (1975-09-01), Schwartz et al.
patent: 3967266 (1976-06-01), Roy

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