ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,385, issued on Nov. 18, was assigned to Microchip Technology Inc. (Chandler, Ariz.).

"Apparatus and method for clock frequency estimation with delayed measurements" was invented by Gary Qu Jin (Kanata, Canada) and Kamran Rahbar (Kanata, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus includes a clock signal input, a sampling circuit, and an estimation circuit. The clock signal input receives N time measurements. A time measurement denotes a respective portion of a given cycle of a clock signal. The sampling circuit is to generate a first sampled window based upon a first time measurement and a first previous time measurement recei...