Optical system

Details Optical system Optical system

1995-07-10

1997-08-05

Epps, Georgia Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359640, G02B 2712

Patent

active

056548273

ABSTRACT:
An optical system for viewing data, possibly superpositioned on the view of scenery. The optical system consists of a lens divided into two parts by a beam splitter, and it has a surface facing the viewer and a second surface which is convex and defines a mirror facing the surface close to the viewer. The thick lens has a truncated surface facing the data source and the beam from the data source is reflected by the beam splitter to the concave surface of the mirror which reflects it to the eye of the viewer. When the data is superpositioned on a direct view of the scenery, the mirror is partially reflecting.

REFERENCES:
patent: 3680946 (1972-08-01), Bellows
patent: 5050962 (1991-09-01), Monnier et al.
patent: 5459612 (1995-10-01), Ingleton
patent: 5506728 (1996-04-01), Edwards et al.

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