Patent number: 6733140

Method of ghost reduction and transmission enhancement for a real image projection system

Original Assignee: Optical Products Development Corp.

Field of technology: Optics

Patent granted on: Tue, 11 May 2004

Patent drawing

Abstract

A real image projection system includes at least one curved reflector, positioned in a tilted configuration, wherein an optical axis of the reflector is not coincident with a viewing axis, and a beampath between a target source and the curved reflector neither passes through nor reflects off of a beamsplitter.