Optical apparatus

Details Optical apparatus Optical apparatus

1996-08-09

1998-06-16

Nelms, David C.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

G02B 2710

Patent

active

057680230

ABSTRACT:
An optical apparatus having a first lens array consisted of a plurality of lens forming reduced image in reversed orientation, a second lens array consisted of a plurality of lens arranged at corresponding positions to the lens of the first lens array and forming erected equal magnification image from the reduced image by expanding the reduced image in the given magnification, and one or more light shielding film arranged between the first lens array and the second lens array and having through openings for passing light discharged from respective lens of the first lens array at positions corresponding to respective lens of the first lens array in opposition to respective lens for passing discharged light from respective lens of the first lens array.

REFERENCES:
patent: 5052783 (1991-10-01), Hamada
patent: 5083854 (1992-01-01), Zampolin et al.
patent: 5467206 (1995-11-01), Loiseaux et al.
patent: 5550656 (1996-08-01), Sprague et al.
patent: 5557432 (1996-09-01), Yokota

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