Luminaire for street lighting

Details Luminaire for street lighting Luminaire for street lighting

1981-07-06

1985-03-26

Nelson, Peter A.

Illumination

Light source and modifier

Including reflector

362145, 362223, 362307, 362310, 362431, 362348, 362350, F21V 300

Patent

active

045077177

ABSTRACT:
According to the invention the luminaire, which is suitable for use with an elongate cylindrical light source, has a dish-shaped reflector with an egg-shaped light emanating face. The reflector mainly comprises a number of elongate facets which are each curved concave longitudinally and transversely and which extend with their longitudinal sides substantially parallel to the light emanating face.
The luminaire gives the illuminated road surface a very uniform luminance.

REFERENCES:
patent: 1610124 (1926-12-01), Godley
patent: 2600514 (1952-06-01), Mitchell
patent: 3265883 (1966-08-01), Tolbert
patent: 3283140 (1966-11-01), Rex
patent: 3480772 (1969-11-01), Gough
patent: 3610915 (1971-10-01), Moore
patent: 3786248 (1974-01-01), Compton
patent: 4234912 (1980-11-01), Barnes et al.
patent: 4239369 (1980-12-01), English et al.
patent: 4242727 (1980-12-01), de Vos et al.
patent: 4285034 (1981-08-01), Sullivan
patent: 4378583 (1983-03-01), Caprari

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