ALEXANDRIA, Va., July 15 -- United States Patent no. 12,665,003, issued on June 23, was assigned to ELECTRONICS and TELECOMMUNICATIONS RESEARCH INSTITUTE (Daejeon, South Korea).

"Reference voltage calibration apparatus in memory interface" was invented by Young-Deuk Jeon (Sejong-si, South Korea), Young-Su Kwon (Daejeon, South Korea), Yi-Gyeong Kim (Daejeon, South Korea), Su-Jin Park (Daejeon, South Korea) and Min-Hyung Cho (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed herein is a reference voltage calibration apparatus in a memory interface. The reference voltage calibration apparatus includes a first low-pass filter configured to receive a clock signal, a second low-pass fil...