Illuminating apparatus

Details Illuminating apparatus Illuminating apparatus

1990-03-20

1992-01-07

Lazarus, Ira S.

Illumination

Light source and modifier

Ionized gas or vapor light source

362223, 362260, 362216, 362256, 313 15, 315115, F21S 300, H01J 102

Patent

active

050796810

ABSTRACT:
An illuminating apparatus including a casing having an open side, a light reflective surface formed on the interior of the casing, a light diffusive transmission member on the casing and covering the open side, a discharge lamp mounted in the casing underneath the light diffusive transmission member, a first heating element disposed between the discharge lamp and the light reflective surface and a second heating element disposed between the discharge lamp and the light diffusive transmission member.

REFERENCES:
patent: 2581959 (1952-01-01), Koehler
patent: 3779640 (1973-12-01), Kidd
patent: 3942062 (1976-03-01), Hernqvist
patent: 4432044 (1984-02-01), Lautzenheiser
patent: 4488208 (1984-12-01), Miller
patent: 4916580 (1990-04-01), Sano et al.
patent: 4931685 (1990-06-01), Dobashi et al.

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