Video display control circuitry

Details Video display control circuitry Video display control circuitry

G - Physics

09

G

375/4

G09G 3/00 (2006.01) G09G 1/00 (2006.01)

Patent

CA 1159168

NIX-114 VIDEO DISPLAY CONTROL CIRCUITRY ABSTRACT A multilevel video display control circuit. A plurality of current levels are developed in response to coded command signals (P1, P2, P3). The generated currents are summed together and converted to analog voltage signals (V25) to control the brightness of the pixels on the display. A contrast adjustment net- work (26) includes a first potentiometer (K1) for setting the magnitude of one of the currents at a de- sired level. A second potentiometer (K2) is provided for varying the magnitudes of the other current levels while maintaining the first current at the preset magnitude. Preferably, the magnitude of the first current is inversely varied with respect to other cur- rent levels.

367989

Affiliated with

Also associated with

Rating

Video display control circuitry does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Video display control circuitry, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Video display control circuitry will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFCA-PAI-O-949230