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
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE