ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,619, issued on Nov. 18, was assigned to SK hynix Inc. (Icheon-si, South Korea).

"Signal driver circuit, and a semiconductor apparatus using the same" was invented by Hyun Su Park (Icheon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A signal driver circuit includes a pre-driving circuit, a driving signal generating circuit, a main driving circuit, and an output control circuit. The pre-driving circuit is configured to generate a first pre-driving signal and a second pre-driving signal based on an input signal and a clock signal. The driving signal generating circuit is configured to generate a pull-up driving signal and a pull-down ...