Displaying image signals using horizontal and vertical compariso

Details Displaying image signals using horizontal and vertical compariso Displaying image signals using horizontal and vertical compariso

1994-06-03

1997-05-13

Saras, Steven

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

395340, G09G 500

Patent

active

056297190

ABSTRACT:
Horizontal counter signals are generated and compared to a window left limit and a window right limit. Horizontal comparison signals are generated in accordance with that comparison. The horizontal counter signals are also compared to a horizontal limit and horizontal reset signals are generated in accordance with that comparison. Vertical counter signals are generated in accordance with the horizontal reset signals and compared to a window top limit and a window bottom limit. Vertical comparison signals are generated in accordance with that comparison. The vertical counter signals are also compared to a vertical limit and vertical reset signals are generated in accordance with that comparison. Image signals are displayed on a display monitor in accordance with the horizontal comparison signals and the vertical comparison signals.

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