US Patent Issued to GM Global TEchnology Operations on Aug. 4 for "Resonant frequency based belt tightness/slack verification device" (Michigan Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,697,920, issued on Aug. 4, was assigned to GM Global TEchnology Operations LLC (Detroit).

"Resonant frequency based belt tightness/slack verification device" was invented by Kamran Ali (Troy, Mich.) and Manuel Forero Rueda (Royal Oak, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system includes a belt that is adjustable between a secured state where there is at least a threshold level of tension across the belt, and an unsecured state where there is less than the threshold level of tension across the belt. The system also includes a first antenna, a second antenna, and an alert. The first antenna is disposed at the belt, operable to transmit an...