Fresnel lens type complex reflection system having a lens functi

Details Fresnel lens type complex reflection system having a lens functi Fresnel lens type complex reflection system having a lens functi

1989-05-15

1991-06-04

Arnold, Bruce Y.

350452, 350630, G02B 512

Patent

active

050208861

ABSTRACT:
The present invention pertains to a Fresnel lens type complex reflecting system in which a set of parabolic mirrors are utilized to function as a convex lens. This is accomplished through incident light rays impinging on concave surfaces of the parabolic mirrors. In this way, the focal point of the complex reflecting system will be on an opposite side of the complex reflecting system as the direction of incident light. Another feature of the present invention is an orientation of a set of parabolic mirrors which function to operate as a concave lens. This is accomplished through incident light rays impinging on convex surfaces of the parabolic mirrors.

REFERENCES:
patent: 4006971 (1977-02-01), Plummer
patent: 4035064 (1977-07-01), Cowman, Jr. et al.
patent: 4050444 (1977-09-01), Dolamore

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