Optical image-forming apparatus with tilted bi-refringent elemen

Details Optical image-forming apparatus with tilted bi-refringent elemen Optical image-forming apparatus with tilted bi-refringent elemen

1977-08-29

1979-08-07

Stern, Ronald J.

350147, 350157, 350174, 350293, G02B 532, G02B 2728

Patent

active

041635426

ABSTRACT:
Undesired images and reflections are eliminated in an in-line infinity display system by tilting the bi-refringent package of the display system at an angle with respect to a plane normal to the optical axis of the curved mirror in the display system and the observer's location so that the undesired images and reflections are directed outside the observer's field of view.

REFERENCES:
patent: RE27356 (1972-05-01), La Russa
patent: 1693021 (1928-11-01), Cameron
patent: 2821109 (1958-01-01), Nicoll
patent: 2920527 (1960-01-01), Cloupeau
patent: 3940203 (1976-02-01), La Russa
patent: 4093347 (1978-06-01), La Russa

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