Inside helmet sight display apparatus

Details Inside helmet sight display apparatus Inside helmet sight display apparatus

1975-09-15

1976-06-08

Corbin, John K.

350174, 350298, 350301, G02B 508

Patent

active

RE0288470

ABSTRACT:
Helmet mounted display apparatus in which a reflective inside surface of a partially transparent visor is used as the primary optical element. A paraboloidal inside visor surface coated with a metallic film may be used. A light source image or a virtual image is positioned at the focal point of the inside surface of the visor. The outside surface of the visor may be coated with an anti-reflective coating.

REFERENCES:
patent: 2352644 (1944-07-01), Linderman
patent: 3059519 (1962-10-01), Stanton
patent: 3205303 (1965-09-01), Bradley
patent: 3230819 (1966-01-01), Noxon
patent: 3633988 (1972-01-01), Farrar

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