ALEXANDRIA, Va., June 9 -- United States Patent no. 12,288,581, issued on April 29, was assigned to Advanced Micro Devices Inc. (Santa Clara, Calif.).

"Efficient and low power reference voltage mixing" was invented by Aaron D Willey (Hayward, Calif.), Karthik Gopalakrishnan (Cupertino, Calif.) and Ramon Mangaser (Arlington, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A data transmission system includes a first integrated circuit. The first integrated circuit includes a first mixing terminal coupled to a first power supply voltage terminal at a point internal to the first integrated circuit, a first return terminal, a first resistor having a first terminal coupled to the first mixing terminal, and a ...