Forming modulated signals that digitally drive display elements

Details Forming modulated signals that digitally drive display elements Forming modulated signals that digitally drive display elements

2006-10-24

2006-10-24

Nguyen, Jimmy H. (Department: 2629)

Computer graphics processing and selective visual display system

Display driving control circuitry

C345S691000, C345S094000

Reexamination Certificate

active

07126592

ABSTRACT:
A controller to programmably provide stored values of drive control data (e.g., a ramp value) to a display device. Using the stored values of drive control data, modulated signals, such as pulse width modulation waveforms may be formed to digitally drive display elements of a display device, as an example. In a display refresh period, a first count indicative of a modulation characteristic may be compared to a stored value that corresponds to the first count. This comparison may determine an update for a second count indicative of a display data characteristic based on the stored value. Because only unique stored values may be stored in a programmable storage device, such as a look-up-table, a relatively smaller number of table entries may be stored and programmed in one embodiment. This may substantially reduce the size of the look-up-table and significantly decrease programming time and effort.

REFERENCES:
patent: 5317401 (1994-05-01), Dupont et al.
patent: 5914764 (1999-06-01), Henderson
patent: 5917464 (1999-06-01), Stearns
patent: 6005634 (1999-12-01), Lam et al.
patent: 6429858 (2002-08-01), Janssen et al.
patent: 2002/0080127 (2002-06-01), Park et al.
patent: 2003/0227448 (2003-12-01), Janssen et al.

Affiliated with

Also associated with

Rating

Forming modulated signals that digitally drive display elements does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Forming modulated signals that digitally drive display elements, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Forming modulated signals that digitally drive display elements will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3672299