ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,438,690, issued on Oct. 7, was assigned to Cirrus Logic Inc. (Austin, Texas).

"Delay locked loops" was invented by Ivan Perry (Penicuik, Great Britain), Christopher P. Mortimore (Penicuik, Great Britain), Morgan T. Prior (Dunbar, Great Britain) and Ishita Samanta (Edinburgh, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to methods and apparatus for delay locked loops (DLLs). A DLL circuit includes a variable delay line, a phase detector and a delay controller. The DLL circuit is operable in a DLL mode in which a reference clock signal is input to the variable delay line and the delay controller controls a delay set...