ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,876, issued on July 21, was assigned to KeyTek Semiconductor HongKong Ltd. (HongKong, China).

"Bandgap circuit having a high-order curvature compensation current generating circuit" was invented by Mark A. Pinchback (Healdsburg, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A bandgap reference voltage generating circuit includes a bandgap cell, a tail resistor circuit, a high-order curvature compensation current generating circuit, an IZTAT current sink circuit, and a start-up circuit. The bandgap cell has a base current redistribution circuit that drives the bases of the bipolar transistors using a first base resupply current taken from the...