Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1995-12-04
1998-08-04
Nguyen, Chanh
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345108, G09G 334
Patent
active
057900884
ABSTRACT:
A pixel for use in a visual matrix display including a frame having front and rear surfaces and defining an aperture; a light source oriented in the aperture; a first retroreflective surface borne by the frame and positioned adjacent to the aperture; a flap borne by the front surface and moveable along a given path of travel between a first position wherein the pixel is nonoperational, and the flap is disposed in covering relation relative to the light source, and a second operational position, wherein the flap has a second retroreflective surface which is exposed when the flap is in the second position; means borne by the frame for moving the flap along the given path of travel; and means for energizing the light source when the flap is in one of the given positions along the path of travel.
REFERENCES:
patent: 1765215 (1930-06-01), Duchard
patent: 2798148 (1957-07-01), Orsatti
patent: 3267595 (1966-08-01), Levy et al.
patent: 3591721 (1971-07-01), Salam
patent: 3868610 (1975-02-01), Salam
patent: 5111193 (1992-05-01), Huber et al.
patent: 5231689 (1993-07-01), Reidinger
Cummings Kenneth R.
Hanson Kevin M.
Johnson Jerry L.
Wilson Edward A.
American Electronic Sign Company
Nguyen Chanh
LandOfFree
Electronic display element for electronic display device does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electronic display element for electronic display device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electronic display element for electronic display device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1182362