US Patent Issued to Meta Platforms Technologies on Feb. 10 for "Static uniformity correction for a scanning projector performing consecutive non-linear scan with multi-ridge light sources" (Washington Inventors)

ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,992, issued on Feb. 10, was assigned to Meta Platforms Technologies LLC (Menlo Park, Calif.).

"Static uniformity correction for a scanning projector performing consecutive non-linear scan with multi-ridge light sources" was invented by Daniel Guenther Greif (Kirkland, Wash.), Brian Wheelwright (Sammamish, Wash.) and Zachary Kehs (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "Static non-uniformity effects in a coherent biresonant scanning projector are mitigated through correction factors for pulse events during one frame time. According to an analytical approach, a set of input parameters such as scan angle, micro-electromechanical system (...