ALEXANDRIA, Va., July 28 -- United States Patent no. 12,693,324, issued on July 28, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Dynamic TDR window adjustment using a liquid-controlled delay" was invented by Kyle Indukummar Giesen (Pittsboro, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments herein describe using a liquid-controlled delay to adjust a window used by a TDR. The liquid-controlled delay can be disposed between the TDR and the device under test (DUT) (e.g., cables, PCB, etc.). Controlling the temperature of the liquid in the liquid-controlled delay controls the amount of delay it provides to the TDR signal, which moves the window of the TDR forward or b...