| 摘要 |
A projection system employs a convex reflecting mirror to disperse a projected image onto the inner surface of a screen enclosing a spherical or other three-dimensional space. When the screen is a spherical, translucent rear-projection screen, the projection system produces a display of substantially spherical form viewable from outside the enclosed space. When the screen is opaque and of spherical or other three-dimensional form, the projection system produces a three-dimensional image surrounding a viewer.
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