US Patent Issued to RDI TECHNOLOGIES on Feb. 17 for "Visual renderings of modal analysis test frequencies from mathematically-modified video test recordings" (Tennessee, Kentucky Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,250, issued on Feb. 17, was assigned to RDI TECHNOLOGIES INC. (Knoxville, Tenn.).

"Visual renderings of modal analysis test frequencies from mathematically-modified video test recordings" was invented by Kenneth Ralph Piety (Knoxville, Tenn.), Jeffrey R. Hay (Prospect, Ky.) and Mark William Slemp (Tellico Plains, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for non-contact modal analysis uses an optical sensing device such as a video camera. Unlike traditional modal analysis, requiring accelerometers or force sensors to measure the modal characteristics of a structure and animate the motion of a wireframe model of the test structure...