ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,932, issued on May 19, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).

"Hybrid fractional phase-locked loop" was invented by Karthikeyan Gunasekaran (Bangalore, India), Viswanathan Nagarajan (Bangalore, India) and Shalu Francis (Kozhikode, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase-locked loop circuit including a phase detector having a reference clock input; a charge pump having an input coupled to an output of the phase detector; a non-integrating loop filter having an input coupled to an output of the charge pump; a voltage adder having a first input coupled to an output of the loop filter, a voltage-controlled oscillator (VCO) ...