US Patent Issued to Regents of the University of Minnesota on March 25 for "Logic based ring oscillator coupling circuit" (Minnesota Inventors)

ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,598, issued on March 25, was assigned to Regents of the University of Minnesota (Minneapolis).

"Logic based ring oscillator coupling circuit" was invented by Hyung-il Kim (Minneapolis) and William Moy (Minneapolis).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupled ring oscillator circuit includes a first ring oscillator, a second ring oscillator and a coupling circuit. The first ring oscillator includes a series of delay stages, each delay stage including an inverter gate. The second ring oscillator includes a series of delay stages, each delay stage including an inverter gate. The coupling circuit includes a coupling cell having a first modi...