Patent ID: 7444771

Claim:
A system for displaying graphical material on a moving vehicle, comprising: a housing directly affixed to the moving vehicle; a first moveable roller provided within said housing; a sheet connected to said first movable roller, said sheet including graphical material thereon the speed of movement of said first moveable roller being independent of the speed of the moving vehicle; a first motor provided within said housing and connected to said first roller for enabling said sheet, when activated, continuing to move in a first direction from one side of said housing to the second side of said housing; a control device for operating said first motor to control the movement of said sheet in said first direction; and a sensing device for sensing the movement or speed of the vehicle, said sensing device producing an output signal transmitted to said control device for ceasing or activating the movement of said sheet based upon the the speed of the moving vehicle or the time the vehicle has not moved.