Multi-level display controller

Details Multi-level display controller Multi-level display controller

1991-12-30

1994-08-09

Richardson, Robert L.

Computer graphics processing and selective visual display system

Display driving control circuitry

Controlling the condition of display elements

395118, 345 10, 345112, 345149, G06F 300

Patent

active

053374088

ABSTRACT:
Disclosed is a computer having a display controller for controlling a display where the display provides an image with different selectable gray scale levels. The display controller includes a pattern unit for providing modulation patterns. The modulation patterns include patterns each formed of sequences of different numbers of both 1's and 0's that are not phase related. The display controller additionally includes a modulation unit, operable over the sequential frames, for modulating the data values of pixels with the patterns whereby the intensity level of the pixels over the sequential frames is controlled as a function of the data value of the pixels and as a function of the patterns.

REFERENCES:
patent: 5221971 (1993-06-01), Allen et al.

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