Apertured daylight lamp

Details Apertured daylight lamp Apertured daylight lamp

1997-09-04

1999-11-02

O'Shea, Sandra

Electric lamp and discharge devices

With optical device or special ray transmissive envelope

313112, 313113, 362293, 362361, H01J 516

Patent

active

059776943

ABSTRACT:
A lamp for producing a spectral light distribution which is substantially identical in uniformity to the spectral light distribution of a desired daylight throughout the entire visible light spectrum from about 380 to about 780 nanometers. The lamp contains a lamp envelope comprised of an exterior surface, a light-producing element substantially centrally disposed within said lamp envelope, a reflector around the light-producing element, and an aperture assembly in front of the light-producing element.

REFERENCES:
patent: 4642514 (1987-02-01), English et al.
patent: 4870318 (1989-09-01), Csayni et al.
patent: 5666017 (1997-09-01), McGuire

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