Tir lens apparatus having non-circular configuration about an op

Details Tir lens apparatus having non-circular configuration about an op Tir lens apparatus having non-circular configuration about an op

1995-06-05

1997-03-25

Jones, Larry

Illumination

Light modifier

Refractor

362334, 362337, 126698, F21V 500

Patent

active

056137699

ABSTRACT:
Lens apparatus includes a TIR lens having multiple facets, the lens having a central axis about which the facets extend in non-circular relation. The lens may have a non-circular perimeter about that axis, and that perimeter may be rectangular or square.

REFERENCES:
patent: 4462068 (1984-07-01), Shadwick
patent: 4823246 (1989-04-01), Dilouga

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