US Patent Issued to International Business Machines on Oct. 7 for "Phase-locked loop update cancellation" (Minnesota Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,547, issued on Oct. 7, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Phase-locked loop update cancellation" was invented by John Borkenhagen (Rochester, Minn.), Christopher Steffen (Rochester, Minn.), Grant P. Kesselring (Rochester, Minn.) and James Strom (Rochester, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A pulse limiter circuit of a phase-locked loop (PLL) receives, from a phase frequency detector of the PLL, first second input pulses, where pulse widths of the first and second input pulses indicate whether a reference clock signal leads or lags a feedback clock signal. The pulse limiter circuit determines whet...