US Patent Issued to Meta Platforms Technologies on July 14 for "Waveguide based imaging system for object tracking and waveguide based display system for reducing world side ghost" (Washington Inventors)

Posted On: 2026-07-14

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,298, issued on July 14, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Waveguide based imaging system for object tracking and waveguide based display system for reducing world side ghost" was invented by Jian Xu (Redmond, Wash.), Xiang Li (Redmond, Wash.), Miaomiao Xu (Redmond, Wash.), Xingzhou Tu (Redmond, Wash.), Shaobai Li (Redmond, Wash.), Xiayu Feng (Kirkland, Wash.), Wanli Chi (Sammamish, Wash.) and Wai Sze Tiffany Lam (Lynnwood, Wash.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system is provided. The system includes a light source configured to emit a infrared ("IR") light for illuminating an object. The system a...

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US Patent Issued to Meta Platforms Technologies on July 14 for "Waveguide based imaging system for object tracking and waveguide based display system for reducing world side ghost" (Washington Inventors)