ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,621, issued on July 7, was assigned to QUALCOMM Inc. (San Diego).

"Signal oscillation circuit with adaptive tuning for tail filters" was invented by Alessio Santiccioli (San Diego), Mario Mercandelli (Carlsbad, Calif.), Giovanni Marucci (San Diego), Dongmin Park (San Diego) and Yiwu Tang (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "Techniques and apparatus for oscillating signal generation using a signal oscillation circuit capable of adaptively tuning one or more tail filters. An example signal oscillation circuit generally includes a voltage-controlled oscillator (VCO) that includes a VCO core and a first tail filter coupled to the VCO...