ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,516, issued on Nov. 18, was assigned to STMicroelectronics (Research & Development) Ltd. (Marlow, Great Britain).
"Flood and dot emitter" was invented by Kevin Channon (Edinburgh, Great Britain) and Enrico Giuseppe Carnemolla (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to a device configured to act as a flood illuminator and a dot projector. The device utilizes a dual channel light source configured to switch between first and second polarizations, and a polarization sensitive metaoptic that outputs dot projection and flood illumination in response to receiving the first polarization an...