ALEXANDRIA, Va., July 16 -- United States Patent no. 12,361,728, issued on July 15, was assigned to YAZAKI Corp. (Tokyo).
"Vehicle display device" was invented by Kunimitsu Aoki (Susono, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vehicle display device that can easily determine the driver's state of wearing polarized sunglasses is provided. A vehicle display device includes a polarizer that is disposed in front of a lens of a camera that continuously acquires face images of a driver P so that a polarization direction becomes a horizontal direction that is orthogonal to a vertical direction. In the vehicle display device, a control unit calculates a luminance value corresponding to each face image...