High efficiency luminaire with high angle brightness control

Details High efficiency luminaire with high angle brightness control High efficiency luminaire with high angle brightness control

1987-02-03

1989-03-28

Jones, Larry

Illumination

Light source and modifier

Including reflector

362337, 362300, 362260, 362327, F21V 700, F21V 500

Patent

active

048169765

ABSTRACT:
A high efficiency luminaire possessing high angle brightness control. Transverse high angle brightness control is provided by a substantially parabolically shaped reflector and longitudinal high angle brightness control is provided by a trough like lens assembly including a plurality of trough shaped lenses and screening means adjoining one another.

REFERENCES:
patent: 2269554 (1942-01-01), Rolph
patent: 2818500 (1957-12-01), Franck
patent: 3483366 (1969-12-01), Wince
patent: 3763369 (1973-10-01), Lewin
patent: 4300185 (1981-11-01), Wakamatsu

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