Compact head-up display

Details Compact head-up display Compact head-up display

1985-07-12

1987-12-08

Arnold, Bruce Y.

350174, G02B 532, G02B 2710

Patent

active

047115122

ABSTRACT:
A compact head-up display comprising a combiner which combines light energy from an outside view with light energy transmitted within the combiner and diffracted out by means of an upper diffraction grating. The head-up display disclosed further comprises an image source, a collimating lens, and a lower diffraction grating for diffracting the collimated light energy into the combiner.

REFERENCES:
patent: 4309070 (1982-01-01), St. Leger Searle
patent: 4314283 (1982-02-01), Kramer

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