Accession Number : ADD001644
Title : Wide-Angle On-Axis Projection System.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C
Personal Author(s) : Herndon,John W
Report Date : 29 Apr 1975
Pagination or Media Count : 5
Abstract : The patent provides a wide-angle common axis projection system wherein a reflector and a see-through beam splitter reflector are combined with a projector means having a wide angle lens and a display screen of spherical shape to develop on-axis image projection for wide-angle display in relation to a viewer's point located on the non-reflective side of the beam splitter reflector. The invention is useful in the field of visual aid training simulators.
Descriptors : *Display systems, *Training devices, *Patents, Optical equipment, Television display systems, Image projectors, Simulators, Visual aids, Wide angles
Subject Categories : Humanities and History
Distribution Statement : APPROVED FOR PUBLIC RELEASE