ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,324, issued on May 20, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Vehicle" was invented by Makoto Matsushita (Ichinomiya, Japan), Yuko Mizuno (Nagoya, Japan), Hayato Mizuma (Tokyo), Kohei Miwa (Shizuoka-ken, Japan) and Naoki Yamada (Kasugai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The vehicle includes a drive recorder that captures an image of the front of the vehicle, an external display device that performs display toward the rear of the vehicle, and a control unit. When a specific pattern is included in the video captured by the drive recorder, the control unit causes the external display device to display the same pattern...