Patent ID: 9110358
Filing Date: 2015-08-18
Classification: G03B,G09B,H04N

Abstract:
1. A method of producing a toroidal constant vertical resolution surface acting as a rear-projection display screen for receiving and displaying a substantially constant vertical resolution projected image from an image projector, the method comprising: identifying an eye-point of a viewer to be positioned behind the rear-projection display screen of the constant vertical resolution surface from the image projector; identifying a viewing distance from the eye-point of the viewer to an inside surface of the rear-projection display screen of the constant vertical resolution surface in the direction of the image projector; identifying a projection distance from the image projector to an outside surface of the rear-projection display screen of the constant vertical resolution surface in the direction of the eye-point of the viewer; creating a constant vertical resolution elevation curve based on a locus of points defined by an intersection of creating the toroidal constant vertical resolution surface defined by at least a portion of the constant vertical resolution elevation curve being at least partially rotated about at least a portion of a central vertical axis intersecting with the eye-point of the viewer to produce a constant vertical resolution surface in a vertical direction as a function of elevation.