ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,394,258, issued on Aug. 19, was assigned to SUMITOMO RUBBER INDUSTRIES LTD. (Kobe, Japan).
"Abnormality detection apparatus for wheel assembly" was invented by Kazuma Tokuda (Kobe, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An abnormality detecting apparatus includes a signal obtaining unit, a first index calculation unit, a spectrum calculation unit, a standardization unit, and a second index calculation unit. The signal obtaining unit obtain signals indicating a rotation speed of the wheel assembly, as pulses having a rise. The first index calculation unit calculates a first index indicating a temporal variation of the rise of each of the pu...