Display system for adjusting video parameters for...

Details Display system for adjusting video parameters for... Display system for adjusting video parameters for...

2003-01-31

2008-03-18

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Attributes

C345S020000, C345S077000, C345S204000, C345S560000, C345S619000, C345S690000, C348S432100, C348S434100, C348S461000, C382S287000, C715S722000

Reexamination Certificate

active

07345690

ABSTRACT:
A display system for adjusting video parameters of a user-selected area is disclosed. The display system includes a level detector detecting a line pattern included in one of a plurality of image lines representative of a complete image being displayed, and a pattern receiver coupled to the level detector for receiving the detected pattern, where the received pattern includes a position indicator whose ends are vertically aligned with vertical edges of the user-selected area. In addition, the display system further includes a pixel counter coupled to the pattern receiver for measuring a set of horizontal positions of the indicator ends with respect to a reference point, a pattern analyzer calculating a set of horizontal positions of vertical edges of a video control area on the basis of the positions of the indicator ends, and a video preamplifier adjusting at least one of video parameters of the video control area.

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