Stereo projection optical system

Details Stereo projection optical system Stereo projection optical system

2011-01-25

2011-01-25

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Stereoscopic

C353S008000, C359S446000

Reexamination Certificate

active

07874677

ABSTRACT:
A stereo projection optical system includes a polarizing beam splitter, a 2-way wheel, a digital micro-mirror device, and a total internal reflection prism. The polarizing beam splitter is configured for emitting two light outputs. The 2-way wheel includes a reflective region and a transmissive region. The reflective region is configured for reflecting the light outputs and the transmissive region is configured for transmitting the light outputs. The digital micro-mirror device is configured for superimposing spatial information on the light outputs. The total internal reflection prism configured for coupling the light outputs of the 2-way wheel into the digital micro-mirror device and transmitting a light output of the digital micro-mirror device. The stereo projection optical systems provide viewers three-dimensional images formed by two alternative polarized light beams whose polarizations are perpendicular to each other utilizing the 2-way wheel.

REFERENCES:
patent: 5125733 (1992-06-01), Lee
patent: 2005/0046759 (2005-03-01), O'Donnell et al.
patent: 2007/0058088 (2007-03-01), Schubert et al.
patent: 2007/0126991 (2007-06-01), Fujita et al.
patent: 200717536 (2007-01-01), None
Translation of JP 2007-017536.

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