ALEXANDRIA, Va., June 25 -- United States Patent no. 12,339,143, issued on June 24, was assigned to Tencent Technology Co. Ltd. (Shenzhen, China).

"Tactile sensor equipped with multiple light sources and a photo detector, sensing device and robot having the same" was invented by Wangwei Lee (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a tactile sensor, a detection method for a touch event, a sensing device and a robot, and belongs to the field of sensor design. The tactile sensor includes: a sensing unit, an elastomer support housing and a base; the sensing unit is disposed in an inner cavity enclosed by the elastomer support housing and the base; and the sensing...