ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,752, issued on March 3, was assigned to SAMSUNG ELECTRONICS Co. Ltd. (Suwon-si, South Korea).

"Method and apparatus for controlling tension of string" was invented by Donghyun Kim (Suwon-si, South Korea), Keehong Seo (Suwon-si, South Korea), Donghan Koo (Suwon-si, South Korea) and Seungyong Hyung (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "To control tension of a string of a tension control apparatus, a target operation mode of the tension control apparatus may be received, a first tension value may be generated by measuring tension of a string connected to a sensor using the sensor, a first control signal for controlling a...