ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,952, issued on Feb. 18, was assigned to Apple Inc. (Cupertino, Calif.).
"Electronic devices having complementary current mirror circuitry" was invented by Milad Darvishi (San Diego) and Georgios Palaskas (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include wireless circuitry having digital-to-analog converters, filters, mixers, and current buffers disposed between the filters and the mixers. The current buffers may provide proper resistance termination for the filters. The current buffers may include current mirrors formed from diode-connected n-type transistors and diode-connected p-type transistors, which coll...