ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,375, issued on Feb. 17, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Wearable device for recognizing touch input by external object and method thereof" was invented by Sanghun Lee (Suwon-si, South Korea), Donghyun Yeom (Suwon-si, South Korea), Sungsoo Choi (Suwon-si, South Korea), Sungoh Kim (Suwon-si, South Korea), Jihyun Kim (Suwon-si, South Korea), Sunggeun Ahn (Suwon-si, South Korea) and Gunhee Lee (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wearable device may obtain an image, while a screen is displayed, using a camera. The wearable device may identify a visual object corresponding to an ex...