US Patent Issued to UNIVERSITEIT TWENTE (UT) on Nov. 11 for "Time-domain physical unclonable key (TPUK) authenticated communication" (Dutch Inventors)

ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,411, issued on Nov. 11, was assigned to UNIVERSITEIT TWENTE (UT) (Enschede, Netherlands).

"Time-domain physical unclonable key (TPUK) authenticated communication" was invented by Pepijn Pinkse (KJ Enschede, Netherlands) and Matthijs Velsink (EA Amsterdam, Netherlands).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for a PUK authenticated communication includes creating an optical challenge in a time-frequency domain, providing the optical challenge to a tPUK which includes a spatial input channel and a plurality of spatial output channels, and detecting in which of the plurality of spatial output channels a short temporally focused pulse is ...