ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,804, issued on Sept. 30, was assigned to Dyson Technology Ltd. (Malmesbury, Great Britain).
"AC-DC buck-boost converter" was invented by Stephen Greetham (Gloucester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A buck-boost converter is described that includes input terminals, output terminals, a first group of devices, a second group of devices, an inductor, a capacitor, and a controller. Each group of devices includes a first switch, a second switch, and a third switch or diode connected in series. Each group of devices further includes a first node located between the first switch and the second switch, and a second node located...