US Patent Issued to INTERNATIONAL BUSINESS MACHINES on March 18 for "Reconfigurable ring oscillator (RO) physical unclonable function (PUF)" (New York Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,255,651, issued on March 18, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Reconfigurable ring oscillator (RO) physical unclonable function (PUF)" was invented by Kangguo Cheng (Schenectady, N.Y.), Julien Frougier (Albany, N.Y.), Carl Radens (LaGrangeville, N.Y.) and Ruilong Xie (Niskayuna, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a reconfigurable Ring Oscillator (RO) Physical Unclonable Function (PUF), which comprises a NAND gate with a first input line and a second input line and a series of inverters with at least one memory cell placed between two inverters of the series of inverters, where an output ...