Synchronizing and image positioning methods for a video display

Details Synchronizing and image positioning methods for a video display Synchronizing and image positioning methods for a video display

G - Physics

06

G

G06G 5/00 (2006.01) G09G 1/16 (2006.01) G09G 5/18 (2006.01)

Patent

CA 2104385

2104385 9220061 PCTABS00017 The invention relates to a method of adjusting the position and/or size of an image displayed on the screen of a video display device (2). The invention provides a more accurate and smoother adjustment of the position and size of the image on the screen when the video frequency (fDCLK) of a video signal (VIDEO) applied to the video display device (2) from the display adapter is adjusted by software while maintaining the horizontal deflection frequency of the video signal (VIDEO) substantially constant by software. The invention is also concerned with a method based on the adjustment of video frequency for synchronizing a video display device with a video signal.

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