Light gathering apparatus

Details Light gathering apparatus Light gathering apparatus

1995-04-27

1998-09-08

Shafer, Ricky D.

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

359487, 359494, 353 37, 353 81, 353 82, G02B 530, G02B 2728

Patent

active

058053379

ABSTRACT:
A light gathering apparatus for gathering luminous fluxes incident from two different directions, including a luminous flux gathering optical element which includes an array of continuous first and second emission surfaces alternately and symmetrically arranged with respect to bisectors of the angle defined by and between the luminous fluxes.

REFERENCES:
patent: 4641926 (1987-02-01), Shirasaki
patent: 4659185 (1987-04-01), Aughton
patent: 5042921 (1991-08-01), Sato et al.
patent: 5073830 (1991-12-01), Loucks
patent: 5124841 (1992-06-01), Oishi
patent: 5231433 (1993-07-01), Yoshida et al.

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