ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,525,928, issued on Jan. 13, was assigned to QUALCOMM Inc. (San Diego).

"Enhancing speaker protection accuracy" was invented by Khaled Mahmoud Abdelfattah Aly (Irvine, Calif.), Sherif Galal (Irvine, Calif.) and Xin Fan (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Certain aspects of the present disclosure are generally directed to circuitry and techniques for current sensing. For example, certain aspects provide a circuit for signal amplification including a first amplifier, a second amplifier, and a third amplifier. The circuit also includes a first capacitive element coupled between a first output of the first amplifier and a first inp...