Waveguide virtual image display
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United States of America Patent
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Jun 29, 1993
Grant Date -
N/A
app pub date -
Sep 30, 1991
filing date -
Sep 30, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A waveguide virtual image display including image generation apparatus providing a real image at an inlet of an optical waveguide. The real image being reflected a plurality of times within the optical waveguide by diffractive optical elements that magnify and filter the real image and produce a virtual image at a viewing aperture. The display is mounted on an eyeglasses frame for hands-free viewing.
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