Lighting device

Details Lighting device Lighting device

1998-09-18

2000-08-29

Cariaso, Alan

Illumination

Light source and modifier

Adjustable or repositionable light source or light source...

362233, 362239, 362247, 362250, 362285, 362241, 362346, 362419, F21V 1902, F21V 1402

Patent

active

061097667

ABSTRACT:
A lighting device comprising one or more light sources placed in respect to a concentrating concave or echelon main reflector, with the light emitted by the light source(s) being reflected by the main reflector so as to create a projected pattern of light to be directed onto a subject to be illuminated, a focusable light being achieved by shifting means capable of displacing or tilting the light source(s) with regard to the optical axis of the reflector. Said shifting means are apt to displace said at least one light source in a direction or at an angle to and from said optical axis of said reflector, in a plane substantially perpendicular to said axis, or to tilt the at least one light source(s). The light source(s) is(are) placed around said optical axis of the reflector and are movable or inclinable in a direction away from the optical axis of said reflector.

REFERENCES:
patent: 926082 (1909-06-01), Taylor et al.
patent: 981046 (1911-01-01), Welles
patent: 1124051 (1915-01-01), Matisse
patent: 3590238 (1971-06-01), Arens
patent: 3886350 (1975-05-01), Katsukura et al.
patent: 4386391 (1983-05-01), Gulliksen et al.

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