Luminaires

Details Luminaires Luminaires

1978-09-21

1981-04-07

Dobeck, B.

Illumination

Light source and modifier

Adjustable or repositionable modifier

362218, 362224, 362290, 362292, F21S 310, F21V 1102

Patent

active

042610281

ABSTRACT:
A street lighting luminaire comprising an elongated semi-cylindrical reflector of parabolic cross-section having opposite ends, and paralumens arranged to obtain a luminous beam whose divergent with respect to a plane normal to said axis varies from one to the other end of said reflector to obtain on the street a lightened area of rectangular cross-section.

REFERENCES:
patent: 1680037 (1928-08-01), de Tartas
patent: 1773245 (1930-08-01), Talbot
patent: 2732483 (1956-01-01), Elmer
patent: 3133139 (1964-05-01), Beers

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