F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/155, 313/85
F21V 7/07 (2006.01) F21V 7/08 (2006.01) H01K 7/02 (2006.01)
Patent
CA 1067872
ABSTRACT Electric reflector lamps having an ellipse- like curved reflector and a hyperbola-like curved IR reflector having a higher efficiency if not only the foci of both reflectors coincide and the light source is ar- ranged on the coinciding foci present within the space enclosed by the reflectors, but the relationship ah = f x c2/ae also applies, where f is a factor de- pendent on the eccentricity of the ellipse.
262718
Eijkelenboom Leonard C.h.
Kesseler Jan A.h.
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