Optical: systems and elements – Holographic system or element – Having particular recording medium
Reexamination Certificate
2005-11-01
2005-11-01
Assaf, Fayez G. (Department: 2872)
Optical: systems and elements
Holographic system or element
Having particular recording medium
C359S029000, C359S013000, C359S001000, C359S032000, C351S052000
Reexamination Certificate
active
06961159
ABSTRACT:
The invention relates to a holographic viewing device that enables a given pattern to be properly viewed in place of light sources in a scene and is easy to fabricate and assemble with consistent characteristics, and a computer-generated hologram for the same. The invention provides a holographic viewing device in which computer-generated holograms2and3each constructed as a transmission Fourier transform hologram is fitted in a frame member1. At least one of phase information and amplitude information recorded in a certain predetermined peripheral site of the computer-generated hologram2, 3relative to an input pattern reconstructible from the computer-generated hologram is removed.
REFERENCES:
patent: 5546198 (1996-08-01), van der Gracht et al.
Kitamura Mitsuru
Yamauchi Tsuyoshi
Assaf Fayez G.
Dai Nippon Printing Co, Ltd.
Sughrue & Mion, PLLC
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