F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
313/85
F21V 7/09 (2006.01) H01K 1/32 (2006.01)
Patent
CA 1229125
A LAMP HAVING AN IMPROVED NECK SECTION FOR INCREASING THE USEFUL LIGHT OUTPUT ABSTRACT OF THE DISCLOSURE A reflector (R) having an improved neck section that increases the useful light output of the lamp is disclosed. The reflector lamp comprises a concave reflector having a primary reflective surface with a parabolic shape, one or more intermediate reflective surfaces with a parabolic shape substantially confocal with the primary reflective surface, and an improved neck section comprising a reducing section, a first substantially straight cylindrical section, an expanding section and a second substantially straight cylindrical section.
481263
Bloom Daniel M.
Sands Robert W.
Company General Electric
Eckersley Raymond A.
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