US Patent Issued to HITACHI ASTEMO on July 7 for "Road surface type detection device" (Japanese Inventors)

ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,645, issued on July 7, was assigned to HITACHI ASTEMO LTD. (Hitachinaka, Japan).

"Road surface type detection device" was invented by Fumio Yuki (Hitachinaka, Japan), Takeo Hosokawa (Hitachinaka, Japan), Atsuo Soma (Hitachinaka, Japan) and Tatsuhiko Monji (Hitachinaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a road surface type detection device capable of distinguishing an asphalt reference road surface type from other road surface types in real time from comparison of magnitudes and frequencies of strain sensor signal waveforms that are excellent for information detection in a low-speed range. A road surface type detection d...