US Patent Issued to Apple on July 8 for "Wavelength mixing for optical systems" (Singaporean, American Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,352,894, issued on July 8, was assigned to Apple Inc. (Cupertino, Calif.).

"Wavelength mixing for optical systems" was invented by Xi Chen (Sunnyvale, Calif.), Xiaoyang Zhang (Singapore), Prashanth S. Holenarsipur (Fremont, Calif.) and Yuta Kuboyama (Sunnyvale, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical system includes a housing defining a cylindrical lens array. A first light source is located in the housing and positioned to emit a first wavelength of light into a first field of illumination impinging on the cylindrical lens array. A second light source is located in the housing and positioned to emit a second wavelength of light ...