Depth illumination and detection optics

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9557574
APP PUB NO 20110298918A1
SERIAL NO

12796472

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Abstract

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A depth image capture device uses a circular polarization structure positioned at the output of an illumination radiation source, such as a diode laser. A linear polarization element receives the collimated illumination radiation and provides polarized radiation to a quarter wave plate. Radiation exits the quarter wave plate as circularly polarized radiation and is provided to a diffractive optical element outputting a pattern to illuminate a target. A detector receives a reflection of the output pattern from the target.

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Patent Owner(s)

  • MICROSOFT TECHNOLOGY LICENSING, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
McEldowney, Scott Redmond, US 30 1591

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