ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,549,143, issued on Feb. 10, was assigned to Apple Inc. (Cupertino, Calif.).

"Power amplifier with current reuse" was invented by Nitesh Singhal (Santa Clara, Calif.) and Mark G Forbes (San Carlos, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronic device may include wireless circuitry with a processor, a transceiver, an antenna, and a front-end module coupled between the transceiver and the antenna. The front-end module may include one or more power amplifiers for amplifying a signal for transmission through the antenna. A power amplifier may include multiple amplifier stages. Current sharing or reuse may occur between two amplifier sta...