Apparatus for displaying a plurality of viewable images of an ob

Details Apparatus for displaying a plurality of viewable images of an ob Apparatus for displaying a plurality of viewable images of an ob

1995-07-25

1998-03-10

Nelms, David C.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359633, G02B 2714

Patent

active

057268061

ABSTRACT:
An apparatus for displaying an image comprises a) a retroreflective screen, b) a polarising beam-splitter making an oblique angle with the screen, c) a device for projecting light from an image or object toward the screen through the beam-splitter, and d) a partially reflective light transmissive sheet being provided at an oblique angle to the beam-splitter such that the sheet may be view through the beam-splitter. The apparatus may be used as a head up display in which real and virtual images in respective positions may be viewed.

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patent: 5583695 (1996-12-01), Dobrusskin

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