Retro-reflector based in-line viewing system

Details Retro-reflector based in-line viewing system Retro-reflector based in-line viewing system

1994-11-28

1996-11-05

Epps, Georgia Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

G02B 2714

Patent

active

055723632

ABSTRACT:
An in-line system for viewing at a viewing location in relative privacy an image provided from an image source uses a retro-reflector and a beamsplitter to provide conjugate optical path, a lens for delivering into the conjugate optical path an image from a source, and the image being enlarged by the lens and formed for as a real image relative to the retro-reflector for viewing at a comfortable viewing distance and with acceptable eye relief.
A method for presenting an enlarged, relatively private view of an image represented by light from an image source includes directing along a relatively straight path light from the image source via a beamsplitter toward a retro-reflector while enlarging the image, and reflecting light by the retro-reflector to the beamsplitter for transmission through the beamsplitter for relatively private viewing of the enlarged image at a viewing location.

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