Reflector for a lamp and method of determining the form of a ref

Details Reflector for a lamp and method of determining the form of a ref Reflector for a lamp and method of determining the form of a ref

1990-06-12

1992-08-04

Lazarus, Ira S.

Illumination

Light modifier

Reflector

362347, 362350, 362298, 359900, F21V 700

Patent

active

051364913

ABSTRACT:
A reflector for a lamp has a form which in a section containing the optical axis 1 lies between two curves enveloping the reflector section curve R. The enveloping curves may be two ellipses, two parabolas or an ellipse and a parabola.

REFERENCES:
patent: 3398272 (1968-08-01), Elmer et al.
patent: 4356538 (1982-10-01), Plummer
patent: 4420801 (1983-12-01), Reiling et al.
patent: 4481563 (1984-11-01), Snyder et al.
patent: 4612608 (1986-09-01), Peitz
patent: 4616294 (1986-10-01), Tenmyo
patent: 4730240 (1988-03-01), van Meel et al.
patent: 4731713 (1988-03-01), Perthus
patent: 4924359 (1990-05-01), Lindae et al.

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