ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,598, issued on Dec. 16, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Sample and hold circuit" was invented by Se Won Lee (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sample and hold circuit includes a sampling circuit including a first amplifier configured to amplify an input voltage to generate an amplification voltage, the sampling circuit configured to perform a sampling operation of sampling the amplification voltage. The sample and hold circuit also includes a holding circuit configured to perform a holding operation of setting an output voltage to a voltage level of the input voltage, based on the sampli...