Computer graphics processing and selective visual display system – Plural physical display element control system – Optical means interposed in viewing path
Patent
1991-08-28
1994-06-14
Weldon, Ulysses
Computer graphics processing and selective visual display system
Plural physical display element control system
Optical means interposed in viewing path
40550, 362240, 34081576, G09G 320
Patent
active
053214170
ABSTRACT:
A light transmitting, visual display panel for use as a sign or message board and comprised of a plurality of closely adjacent, rectangular modules, each of which includes a closed, vertically disposed housing having top, bottom, side and back walls, and a front wall comprised of a plurality of closely adjacent, interchangeable, rectangular, 3-dimensional, light refracting filtering lenses. The lenses are removably secured in the housing. A vertical array of individual light sources is disposed within the housing behind the lenses and dividers behind the lenses separate the light sources. Each housing includes at least one pressurizing cooling fan and narrow, slot-like air exhaust ducts are provided between adjacent lenses.
REFERENCES:
patent: 1442463 (1923-01-01), Bowman
patent: 3273140 (1966-09-01), Foster et al.
patent: 3750138 (1973-07-01), Burgan et al.
patent: 4118763 (1978-10-01), Osteen
patent: 4186394 (1980-01-01), Bobak et al.
patent: 4234914 (1980-11-01), Boesen
patent: 4254453 (1981-03-01), Mouyard et al.
patent: 4446511 (1985-05-01), Sands
patent: 4531121 (1985-07-01), Brown
patent: 4683491 (1987-07-01), Shimada et al.
patent: 4742432 (1988-05-01), Thillays et al.
patent: 4833542 (1989-05-01), Hara et al.
patent: 4843527 (1989-06-01), Britt
Erickson Troy A.
Sitzema Ronald L.
Voelzke Vernon P.
Daktronics, Inc.
Goon Gin
Weldon Ulysses
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