ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,115, issued on Jan. 13, was assigned to Apple Inc. (Cupertino, Calif.).
"Lens distance test for head-mounted display devices" was invented by Chia-Yin Tsai (Sunnyvale, Calif.), Kai Benjamin Quack (San Mateo, Calif.), Hua Gao (San Jose, Calif.), Tom Sengelaub (Oakland, Calif.) and Alper Yildirim (San Francisco).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are disclosed to enable performance of a lens distance test in head-mounted displays (HMDs) to determine the distance between a user's eye and a lens of the HMD (e.g. the display lens in a virtual or augmented reality device). In embodiments, the HMD is configured to determine a...