US Patent Issued to BEIJING 7INVENSUN TECHNOLOGY on Nov. 3 for "Eye-tracking optical device, system, and virtual reality apparatus" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,783,045, issued on Nov. 3, was assigned to BEIJING 7INVENSUN TECHNOLOGY Co. LTD. (Beijing).

"Eye-tracking optical device, system, and virtual reality apparatus" was invented by Tongbing Huang (Beijing), Juanjuan Shang (Beijing) and Wenbo Fei (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "An eyeball tracking optical device with cemented lens. A lens assembly in the device includes at least one cemented lens, including a first lens portion and a second lens portion. A side surface, away from an eyeball, of the first lens portion is provided with a concave surface. A side surface, close to the eyeball, of the second lens portion is provided with a ...