Stereoscopic projector with rotating segmented disk

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United States of America Patent

PATENT NO 8066382
SERIAL NO

12502426

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A stereoscopic digital image projecting system has a light source system providing polarized illumination having a first polarization state and a beam splitting system with a rotating segmented disk in the illumination, alternately generating first and second light beams, the rotating segmented disk having outer segments alternately transmissive and non-transmissive and inner segments radially aligned with the outer segments and alternately reflective and transmissive. A polarization rotator in a path of either the first or second light beam rotates the first polarization state to a second state orthogonal to the first. A combining system combines the first and second light beams into a combined light beam. A spatial light modulator modulates the combined light beam in a manner consistent with stereoscopic image data to form first and second modulated images having substantially orthogonal polarization states. Projection optics project the modulated images onto a display surface.

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Patent Owner(s)

Patent OwnerAddress
IMAX CORPORATION2525 SPEAKMAN DRIVE MISSISSAUGA L5K 1B1

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bietry, Joseph R Rochester, US 48 1634
Kircher, James R Mendon, US 17 464
Metzger, Robert J Fairport, US 3 164
Silverstein, Barry D Rochester, US 68 2050

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