Video hologram and device for reconstructing video holograms with window at image plane
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United States of America Patent
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Nov 20, 2012
Grant Date -
Oct 26, 2006
app pub date -
Jun 29, 2006
filing date -
Nov 13, 2002
priority date (Note) -
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Abstract
A video holographic display device includes a light source used to illuminate a hologram-bearing medium encoded with a hologram. The device operates so that only when an observer's eyes are positioned approximately at the image plane of the light source can the holographic reconstruction be seen properly. This contrasts with conventional holographic displays, in which the observer's eyes do not have to be at the image plane in order for a holographic reconstruction to be seen.
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