ALEXANDRIA, Va., March 26 -- United States Patent no. 12,260,901, issued on March 25, was assigned to FIDELIX Co. LTD. (Seongnam-si, South Korea).

"Signal input buffer for effectively calibrating offset" was invented by Jae Jin Lee (Gwangju-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal input buffer includes 1-st and 2-nd buffering blocks; a 1-st input switching block; a 2-nd input switching block; a 1-st output switching block; and a 2-nd output switching block. The signal input buffer buffers a reception signal pair and generates a buffered signal pair, and is capable of operation in a normal mode and a calibration mode, the reception signal pair includes an intrinsic reception sig...