Optical: systems and elements – Lens – With graded refractive index
Patent
1993-12-03
1998-10-20
Sugarman, Scott J.
Optical: systems and elements
Lens
With graded refractive index
G02B 300
Patent
active
058255540
ABSTRACT:
A lens having a variable index of refraction and a point of symmetry is fabricated from a plurality of substantially identically shaped parts. Each of the parts is pyramidal in configuration and has a base and a plurality of sides extending from the base to an apex. Each of the parts has a coefficient of refraction which varies from the base to the apex.
REFERENCES:
patent: 2761141 (1956-08-01), Strandberg
patent: 3133285 (1964-05-01), Jordan
patent: 3470561 (1969-09-01), Horst
patent: 4422733 (1983-12-01), Kikuchi et al.
patent: 4557566 (1985-12-01), Kikuchi et al.
Fujimoto Masahiro
Harrison David
Maier Gerhard
Sugarman Scott J.
Thomson Consumer Electronics S.A.
Tripoli Joseph S.
Wein Frederick A.
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