Head mounted image display apparatus

Details Head mounted image display apparatus Head mounted image display apparatus

1996-12-30

2000-04-04

Font, Frank G.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359434, 359728, G02B 2714

Patent

active

060468572

ABSTRACT:
This invention relates to a head mounted image display apparatus to be mounted on a head portion of an observer.
The apparatus is constructed by image generation means for displaying an image by radiating light and an optical system which has a plurality of optical elements for guiding light from said image generation means to a pupil of the observer, wherein, of said plurality of optical elements, a first decentered curved surface mirror based on an ellipsoidal surface and a second decentered curved surface mirror based on a hyperboloidal surface are arranged in turn from the pupil side of the observer, said first decentered curved surface mirror has a first focal point at a predetermined pupil position of the observer, and a second focal point at a focal point position of said second decentered curved surface mirror.

REFERENCES:
patent: 5513041 (1996-04-01), Togino
patent: 5543468 (1996-08-01), Freeman
patent: 5640275 (1997-06-01), Bourguignat et al.

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