ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,978, issued on Feb. 10, was assigned to Shphotonics Ltd (Suzhou, China).
"Zooming control device and optical system" was invented by Bing Qiu (Suzhou, China) and Lei Sun (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A zooming control device includes a filter assembly, a metalens device spaced apart from the filter assembly, and a polarization selection device between the filter assembly and the metalens device. The filter assembly is configured to select a wavelength of light exiting the filter assembly and includes an optical device having an adjustable refractive index that varies with an electric current applied to the optical dev...