Image display apparatus and image pickup apparatus

Details Image display apparatus and image pickup apparatus Image display apparatus and image pickup apparatus

1996-05-22

1997-11-11

Epps, Georgia Y.

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

359631, 359630, G02B 2714

Patent

active

056870256

ABSTRACT:
The present invention relates to an image display apparatus disposed near an observer's head for observing an image displayed on image display means as an enlarged virtual image. The apparatus has a relay optical system for causing the displayed image by the image display means to be intermediately formed, the relay optical system having at least one decentered reflecting surface for bending a light beam from the image display means, and at least one lens of an anamorphic aspherical shape differing in curvature in any orthogonal direction, and an eyepiece optical system for directing the image by the relay optical system to the observer's pupil, the eyepiece optical system having at least one decentered reflecting surface which is an anamorphic aspherical surface of a concave surface shape for bending the light beam from the relay optical system.

REFERENCES:
patent: 5341242 (1994-08-01), Gilboa et al.
patent: 5384654 (1995-01-01), Iba
patent: 5436765 (1995-07-01), Togino
patent: 5473365 (1995-12-01), Okamura
patent: 5479224 (1995-12-01), Yasugaki
patent: 5513041 (1996-04-01), Togino
patent: 5526183 (1996-06-01), Chen

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