Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1992-02-10
1993-11-30
Weldon, Ulysses
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
40449, 345111, G09G 334
Patent
active
052669351
ABSTRACT:
A pictorial element display assembly adapted for mounting in a matrix of similar assemblies to present a character by transmitted and/or reflected light. The assembly has a rectangular opaque panel formed with a pocket defining a window in which is set a colored plate for displaying the illuminated pixel. A pair of light spot projecting caps set in keyhole shaped slots in the colored plate have parallel, coplanar axes aligned on a central axis midway between lateral edges of the panel. A D-shaped gate is rotatable through 180.degree. by an electromagnetic device, to open and closed positions on the window and on the panel for selectively uncovering and covering the covered plate. The caps engage ends of light transmitting fiber cords which carry light from a light source to project the light as light spots in intense beams out of central holes in ends of the caps. The axis of rotation of the gate is parallel to and spaced laterally from the central axis of the colored plate, away from the colored plate.
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patent: 5021773 (1991-06-01), Browne
patent: 5055832 (1991-10-01), Browne
patent: 5148156 (1992-09-01), Huber et al.
Chow Doon Yue
Loveman Edward H.
The Staver Company Inc.
Weldon Ulysses
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