Raster display apparatus

Details Raster display apparatus Raster display apparatus

G - Physics

06

F

355/19, 375/53

G06F 3/14 (2006.01) G09F 9/00 (2006.01) G09G 1/04 (2006.01) G09G 5/42 (2006.01)

Patent

CA 1054272

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, when the computation of a line, or group of lines, exceeds a given time, the raster scan is halted until the computation is complete. The line at which the scan is halted is retraced at reduced brightness and with- out modulation by video information. Overflow is detected by coincidence of a computation signal and line sync pulse. -1-

256688

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