| 摘要 |
A display apparatus includes a plurality of display systems each having a light source, a reflection type liquid crystal panel and an optical system, a screen displaying superimposingly the images obtained from the plurality of display systems, and a selector for selecting at least one display system for displaying from the plurality of display systems. The display apparatus also includes a switch for switching the selection of the display systems in the selector, an interface to at least one information terminal, and an image processing circuit section. An optical axis of the optical system is inclined relative to a surface of the screen for displaying projected images, where a maximum distance between the screen and an exit pupil is b 2 , and a minimum distance between the screen and the exit pupil is b 1 , a maximum distance between the liquid crystal panel and an entrance pupil of the optical system is a 2 , and a minimum distance between the liquid crystal panel and the entrance pupil of the optical system is a 1 . The inclination of the liquid crystal panel is adjusted to minimize the difference between b 1 /a 1 and b 2 /a 2.
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