Light fixture for externally illuminated sign

Details Light fixture for externally illuminated sign Light fixture for externally illuminated sign

1989-10-30

1992-03-10

Husar, Stephen F.

Illumination

Light modifier

Refractor

362331, 362334, 362337, 362340, 362812, F21V 500

Patent

active

050954156

ABSTRACT:
A light fixture has a housing having an axis and a light source for detecting light into the housing along the housing axis. A first section of the housing occupies a first portion of the housing's perimeter and includes a light guide material. A second section of the housing occupies a second portion of the housing's perimeter and includes light extraction structures and a Fresnel lens for beam shaping.

REFERENCES:
patent: Re13600 (1913-07-01), Mygatt
patent: 736535 (1903-08-01), Mygatt
patent: 2115178 (1938-04-01), Rolph
patent: 2151801 (1939-03-01), Rolph
patent: 2818500 (1957-12-01), Franck
patent: 3223833 (1965-12-01), Protzmann
patent: 4260220 (1981-04-01), Whitehead
patent: 4615579 (1986-10-01), Whitehead
patent: 4737896 (1988-04-01), Mochizuki et al.
patent: 4750798 (1988-06-01), Whitehead
patent: 4787708 (1988-12-01), Whitehead
patent: 4834495 (1989-05-01), Whitehead et al.
patent: 4850665 (1989-07-01), Whitehead

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