Poster panel lighting fixture

Details Poster panel lighting fixture Poster panel lighting fixture

1982-03-02

1984-05-29

Illumination

Light source and modifier

Including reflector

362145, 362304, 362305, 362308, 362309, 362328, 362329, 362337, 362338, 362339, 362340, 362346, 362348, 362812, 40560, F21V 700

Patent

active

044518757

ABSTRACT:
A single lighting fixture for mounting in front of a large billboard having a horizontal length approximately two times as long as its vertical length is disclosed. The lighting fixture comprises a lamp housing having a lamp positioned therein with the lamp being approximately horizontally positioned in the housing. A new and novel reflector is positioned on one side of the lamp is designed to reflect the light radiating from the lamp in such a manner that the bottom surface of the reflector is utilized to light up the approximate central portion of the billboard while the sides of the reflector are used to light triangular shaped side corners of the billboard. A refractor is positioned on the lamp housing to totally enclose the lamp with the refractor comprising in part three phase light control prism elements for stray light control. The combination of the reflector and refractor is designed so as to illuminate the opposite adjacent corners of the billboard with approximately 80% of the light quantity illuminating approximately 30% of the billboard corners and approximately 20% of the light quantity illuminating 70% of the edge of the billboard.

REFERENCES:
patent: 3329812 (1967-07-01), Harling
patent: 4234912 (1980-11-01), Barnes et al.
patent: 4263641 (1981-04-01), Ferrero

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