Indirect lighting fixture with improved light control

Details Indirect lighting fixture with improved light control Indirect lighting fixture with improved light control

1981-04-15

1983-06-28

Walsh, Donald P.

Illumination

Elongated source light unit or support

With or including transparent or translucent member

362223, 362260, 362309, 362311, 362328, 362337, 362338, 362340, 362367, F21S 30

Patent

active

043909302

ABSTRACT:
A long, linear indirect lighting fixture of a relatively small cross-sectional dimension which is mounted above eye level is comprised of lamps secured within an elongated housing, and a reflector and side lenses which direct and refract the greatest portion of luminous flux from the lamps above the horizontal plane of the fixture, yet a small portion of the luminous flux below but near the horizontal plane. The portion of light directed below but near the horizontal plane, which is controlled by, among other things, the relative placement of the lens and lamps, is great enough for an individual to have a perception of seeing a light source but small enough to avoid discomfort produced by glare.

REFERENCES:
patent: 2348930 (1944-05-01), Schepmoes
patent: 2474341 (1949-06-01), Wince
patent: 2583939 (1952-01-01), French
patent: 2741694 (1956-04-01), Thomstad
patent: 2977460 (1961-03-01), Franck
patent: 3132813 (1964-05-01), Izzi

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