Optical: systems and elements – Compound lens system
Patent
1995-05-04
1998-06-09
Dzierzynski, Paul M.
Optical: systems and elements
Compound lens system
359363, 359608, 359636, 359663, 359290, 359291, 359386, 359387, 359423, 359434, 359429, 359599, G02B 520, G02B 2136, G02B 2600, G02B 2106
Patent
active
057644071
ABSTRACT:
An display apparatus has an image displaying device for modulating light by a spatial light modulation element and displaying an image, a relay optical system for forming the image on an imaging plane at a location differing from the image displaying device, an eyepiece optical system for directing the light from the imaging plane to an observer's pupil, and light beam controlling device provided in a portion of the relay optical system for controlling the amount of transmission of a light beam from the image displaying device correspondingly to the inclination of the contrast distribution of the light beam.
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patent: 4729018 (1988-03-01), Watanabe et al.
patent: 4902115 (1990-02-01), Takahashi
patent: 5395356 (1995-03-01), King et al.
patent: 5442467 (1995-08-01), Silverstein et al.
Canon Kabushiki Kaisha
Dzierzynski Paul M.
Sikd-er Mohammad Y.
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