Time-of-flight camera with guided light

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United States of America Patent

PATENT NO 9056254
APP PUB NO 20150024847A1
SERIAL NO

14507172

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A gaming system comprising a time-of-flight 3D camera and related method for illuminating a camera field of view and capturing return image light are disclosed herein. In one example, the time-of-flight 3D camera includes a light source configured to emit source light along an optical axis, and a collimator configured to receive and collimate the source light to create collimated light. A refractive diffuser is operable to be tuned to the camera field of view and configured to receive and diffuse the collimated light to create refracted light having a varying intensity profile. The refractive diffuser is further configured to guide the refracted light to illuminate only a portion of the camera field of view to reduce wasted source light.

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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
Cohan, David Nesher, IL 2 37
Pellman, Asaf Even Yehuda, IL 18 231
Yahav, Giora Haifa, IL 76 3052

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