Stereoscopic image projection system

Optics: image projectors – Stereoscopic

Reexamination Certificate

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Details

C353S020000, C348S051000, C359S465000

Reexamination Certificate

active

10502722

ABSTRACT:
A liquid crystal display projection system for pictures that can be viewed stereoscopically, comprising: a source of a repetitive three color sequence of light; first and second imagers responsive to respective drive signals representative of the same picture from different angles of view; at least a first polarizing beam splitter for separating said repetitive three-color sequence of light into a P polarized three color sequence of light and an S polarized three color sequence of light, said S polarized three color sequence of light illuminating said first imager and said P polarized three color sequence of light illuminating said second imager; a first filter for removing P polarized light directed to said first imager; and, a second filter for removing P polarized light reflected from said second imager, wherein said light reflected from said first imager and said light filtered by said second filter form a stereoscopic image when viewed through respective P and S polarizing lenses.

REFERENCES:
patent: 5784038 (1998-07-01), Irwin
patent: 5833338 (1998-11-01), Barak
patent: 5921650 (1999-07-01), Doany et al.
patent: 6309071 (2001-10-01), Huang et al.
patent: 2003/0020809 (2003-01-01), Gibbon et al.
patent: 2004/0114234 (2004-06-01), Sedlmayr
patent: 1081964 (2001-03-01), None
Patent Abstracts of Japan, vol. 2000, No. 23, Feb. 10, 2001 and JP 2001-174775.
Copy of PCT Search Report Dated Jul. 16, 2003.
Copy of EP Search Report Dated Jun. 16, 2002.

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