US Patent Issued to Apple on Dec. 2 for "Systems, methods, and devices including optical occlusion detection" (Singaporean, American Inventors)

ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,487,686, issued on Dec. 2, was assigned to Apple Inc. (Cupertino, Calif.).

"Systems, methods, and devices including optical occlusion detection" was invented by Tong Chen (Fremont, Calif.), Xiaoyang Zhang (Singapore), Christopher K. Ewy (San Francisco) and Ian P. Colahan (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Present examples are directed to systems and methods for detecting local optical occlusion on a device. Examples are also directed to devices that may detect local optical occlusion. For example, a device may include a first light emitter and a first light detector, and the device may determine that the first light emitter ...