Holographic projector

Optical: systems and elements – Holographic system or element – For synthetically generating a hologram

Reexamination Certificate

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C359S032000

Reexamination Certificate

active

07738151

ABSTRACT:
A projection device having a coherent light beam-generator that generates a light beam and a beam expander disposed to receive the light beam and to emit an expanded light beam. The projection device also includes a digital micro-mirror device disposed to receive a holographic transform of an original image and to display the holographic transform for illumination by the expanded light beam into a holographic light beam with a convergent or focusing lens disposed to receive and modulate the holographic light beam and a liquid crystal plate volumetric image reconstructor that receives the focused holographic light beam and emits a 3-dimensional holographic image of the original image.

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patent: 2005/0237589 (2005-10-01), Popovich et al.
PCT International Search Report and Written Opinion of the International Searching Authority, PCT/US05/11671, Nov. 7, 2006.

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