The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Apr. 21, 2025
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Denso Corporation, Kariya-city, JP;
Ryota Murakami, Tokyo-to, JP;
Masahiro Kawabata, Tokyo-to, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
DENSO CORPORATION, Kariya-city, JP;
Abstract
A trailer lower end coordinate calculation device removes coordinates of left and right lower ends of trailer and hitch ball in world coordinate system satisfying coordinate removal condition from coordinates in world coordinate system of left and right lower ends and hitch ball included in images shot by camera mounted on vehicle towing trailer via tow bar during calibration travel of vehicle, and calculates coordinates of the left and right lower ends in world coordinate system at predetermined time point after calibration travel of vehicle based on hitch angle of trailer at predetermined time point, average distance between left or right lower end and hitch ball, average angle formed by left lower end, hitch ball and right lower end, and average coordinate of hitch ball in the world coordinate system, by using coordinates which are not removed.