Illuminated sign light box

Details Illuminated sign light box Illuminated sign light box

1996-03-20

1999-10-19

Davis, Cassandra H.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40545, G09F 1300

Patent

active

059668563

ABSTRACT:
An illuminated sign or light box includes a face having face material forming a desired face design with at least a portion of the desired face design comprising a light transmitting, substantially non-diffusing window. At least one tubular fluorescent light bulb is positioned behind the face. A substantially specular reflector which serves as a mirror is positioned behind the fluorescent light bulb. The reflector has a predetermined shape and the fluorescent light bulb is positioned such that when the sign or light box is viewed by a viewer from a predetermined viewing region, the viewer either directly sees the fluorescent light bulb or directly sees a substantially specular reflection of the fluorescent light bulb through the light transmitting, substantially non-diffusing window portions of the sign face.

REFERENCES:
patent: 1808456 (1931-06-01), Dwyer et al.
patent: 1858755 (1932-05-01), Van Wyck et al.
patent: 2029221 (1936-01-01), Burgess et al.
patent: 2038409 (1936-04-01), Bone
patent: 2080679 (1937-05-01), Vissing
patent: 2182233 (1939-12-01), Pearlman
patent: 4602448 (1986-07-01), Grove
patent: 4667428 (1987-05-01), Elmer
patent: 4669033 (1987-05-01), Lee
patent: 5398170 (1995-03-01), Lee

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