ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,750,051, issued on Sept. 29, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Bootstrap circuit" was invented by Maik Peter Kaufmann (Freising, Germany), Stefan Herzer (Marzling, Germany) and Michael Lueders (Freising, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one example, an apparatus comprises: a first transistor having a first control terminal and first and second current terminals; a capacitor coupled between a switching terminal and the first current terminal; a second transistor having a second control terminal and coupled between the switching terminal and a ground terminal; and a sensing and control circuit having a power termi...