Light source following optical system for hologram illumination
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jun 18, 2002
Grant Date -
N/A
app pub date -
Nov 20, 2000
filing date -
Nov 19, 1999
priority date (Note) -
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Abstract
A system for illumination of a hologram includes a deflection mirror to direct light from a moving light source to illuminate the hologram, and a heliostat for tracking the moving light source and positioning the deflection mirror to direct light therefrom to illuminate the hologram. Such as system is optimized for illuminating outdoor holographic displays while still providing a desirable light source and illumination angle, and doing so efficiently and at low cost.
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