ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,449,253, issued on Oct. 21, was assigned to TOYOTA JIDOSHA K.K. (Aichi-ken, Japan).
"Trailer length estimation device and trailer length estimation method" was invented by Akio Yoshimatsu (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A trailer length estimation device for estimating, in a vehicle including a tractor and a trailer connected to the tractor by a connecting device, a trailer length from the connecting device to the wheels of the trailer includes: an acquisition unit that acquires a turning angle of a wheel of the tractor and a connection angle of the trailer with respect to the tractor, the turning angle being detected by a ...