ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,213, issued on Dec. 2, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Smart card for performing biometric authentication and method of operating the same" was invented by Ji-Eun Jang (Suwon-si, South Korea) and Huijun Yang (Suwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A smart card includes a frequency measurement circuit configured to measure a first clock frequency of an external clock signal, a sensor clock output circuit configured to select a first range from a plurality of first clock ranges based on the first clock frequency and to output a sensor clock signal having a second clock frequency corre...