Glare-free illuminating apparatus

Details Glare-free illuminating apparatus Glare-free illuminating apparatus

1988-12-01

1990-07-31

Lazarus, Ira S.

Illumination

Light source and modifier

Louvered or grid type modifier

362342, 362268, 362806, 362267, F21V 700

Patent

active

049454609

ABSTRACT:
In an illuminating apparatus having an electric light source housed in a container permitting light to escape upwardly towards an object supported above and in close proximity to the light source, the improvement comprising two horizontal, vertically spaced sheets having apertures in vertical register disposed above the light source, said sheets acting as light baffles, so that light escapes upwardly in the shape of spreading light beams. The neck surfaces of the apertures are minimized and made non-reflective, so that observers are protected from the glare of the light source and from reflections of light from components of the apparatus.

REFERENCES:
patent: 3581275 (1971-05-01), Peterson
patent: 4594646 (1986-06-01), Von Kohorn et al.
patent: 4616304 (1986-10-01), Von Kohorn
patent: 4626968 (1986-12-01), Von Kohorn
patent: 4630177 (1986-12-01), Von Kohorn et al.
patent: 4672513 (1987-06-01), Von Kohorn et al.
patent: 4686611 (1987-08-01), Von Kohorn
patent: 4725930 (1988-02-01), Von Kohorn
patent: 4729069 (1988-03-01), Von Kohorn et al.
patent: 4758934 (1988-07-01), Von Kohorn
patent: 4796170 (1989-01-01), Pederson et al.
patent: 4811179 (1989-03-01), Kometsu et al.

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