Infinity display apparatus using cylindrical beam-splitters

Details Infinity display apparatus using cylindrical beam-splitters Infinity display apparatus using cylindrical beam-splitters

1984-11-02

1987-03-31

Corbin, John K.

350169, 350433, G02B 1700

Patent

active

046538755

ABSTRACT:
Apparatus for projecting at infinity an image of an object displayed on a convex surface, such as a CRT or rear projection screen. Such apparatus comprises a pair of beam-splitters, preferably cylindrical in shape and arranged such that their respective axes of curvature are perpendicular to one another. Each beam-splitter has an optical power which compliments that of the other, whereby such elements share the image-forming function.

REFERENCES:
patent: 3443858 (1969-05-01), La Russa
patent: 3682532 (1972-08-01), Myles
patent: 4415239 (1983-11-01), Humphrey

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