Stereoscopic Binocular System, Device and Method
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United States of America Patent
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app pub date -
Sep 26, 2006
filing date -
Sep 28, 2005
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Abstract
An optical system for transmitting a stereoscopic image to a right eye and a left eye of a user is disclosed. The system comprises an optical relay device, having a light-transmissive substrate, an input grating, a left output grating and a right output grating. The optical relay device is designed and constructed such that light is diffracted by the input grating, propagates within the light-transmissive substrate via total internal reflection, and diffracted out of the light-transmissive substrate by at least one of the left and right output gratings. The system further comprises an image generating system, optically coupled to the input grating and configured for providing collimated light constituting a left-eye image and a right-eye image wherein the left-eye image is parallactically related to the right-eye image. In various exemplary embodiments of the invention the left-eye image and the right-eye image are spectrally modulated according to different spectral maps, selected to provide different optical information to different eyes.
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