A frame assembly positions a license plate along a back end of a motor vehicle. The frame assembly includes a base frame adapted to be secured along the back end of the motor vehicle to retain the license plate thereto. A camera is secured to the base frame to produce an image representing an area adjacent...http://www.google.fr/patents/US20050093684?utm_source=gb-gplus-shareBrevet US20050093684 - Frame assembly for a license plate
