Luminaire with uplight control

Details Luminaire with uplight control Luminaire with uplight control

1987-12-01

1989-08-15

Lazarus, Ira S.

Illumination

Light modifier

Refractor

362337, 362340, F21V 502

Patent

active

048580910

ABSTRACT:
An improved luminaire having uplight control to provide uniform ceiling illumination and downward light control below horizontal to uniformly distribute downward light with the added feature of eliminating glare between the 60.degree.-90.degree. vertical.

REFERENCES:
patent: 1699100 (1929-01-01), Dorey
patent: 2133378 (1938-10-01), Culloman
patent: 3191022 (1965-06-01), Wince
patent: 3275825 (1966-09-01), Wilty
patent: 3679891 (1972-07-01), Quack
patent: 4384316 (1983-05-01), de Vos et al.

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