ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,528, issued on Jan. 20, was assigned to QUALCOMM Inc. (San Diego).
"Antenna tuner" was invented by Muhammad Hassan (San Diego).
According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a power amplifier, a first inductor coupled to the power amplifier, a second inductor magnetically coupled with the first inductor, and an impedance matching circuit having a first terminal and a second terminal, wherein the first terminal is coupled to the second inductor, and the second terminal is coupled to an antenna port. The impedance matching circuit includes a third inductor coupled between the first terminal and the second terminal, wherein the thi...