Aerial display system with low cost plastic spherical mirror

Details Aerial display system with low cost plastic spherical mirror Aerial display system with low cost plastic spherical mirror

2007-08-22

2009-08-04

Lee, Diane I (Department: 2851)

Optics: image projectors

Stereoscopic

C353S057000, C353S050000, C353S119000, C359S458000, C359S471000, C349S005000, C349S015000

Reexamination Certificate

active

07568803

ABSTRACT:
An aerial display system comprising inexpensive optical elements and a highly brightened LCD display or similar video image display types provides floating images in an expensive enclosure. In the aerial display system, either an anti-reflective acrylic plastic layer or a circular polarizer is disposed proximate and parallel to a beam splitter so that the focal point of the floating image is proximate to the plastic layer or polarizer. This image position yields both a wider filed of view and wider perceived field of view. The aerial projection system includes a plastic spherical mirror of low cost, which includes a plastic part of at least the following descriptions: mirror surface supported by wall structures of sufficient sphericity, of a plastic material formulation, having excellent optical grade finish, a reflective metal coating, and a protective overcoat.

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