Immersion cartesian ovoid lens

Details Immersion cartesian ovoid lens Immersion cartesian ovoid lens

1986-11-21

1989-09-26

Arnold, Bruce Y.

G02B 302, G02B 2700

Patent

active

048695807

ABSTRACT:
A substantially solid transparent body focuses light from an LED wholly immersed therein to a point external to the body. The body is composed of a substantially non-heat-conducting plastic material and has a surface with the curvature of a Cartesian Ovoid substantially in accordance with the formula L.sub.o .times.N.sub.o .times.L.sub.i .times.N.sub.i =C, where

REFERENCES:
patent: 3914309 (1975-10-01), Swensen
patent: 4042821 (1977-08-01), Mierzwinski
patent: 4515432 (1985-05-01), Sherwin
Southall; Mirrors, Prisms, and Lenses; The MacMillian Company; 1923; pp. 617-625.

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