US Patent 7876960 System for recording information

A system for recording information from a surface. The system includes a base having a surface provided with a first position code coding locations of a plurality of first points and. In a zone of the surface, a second position code codes locations of a plurality of second points. The system also includes a sensing device having an image sensor for obtaining an image of the surface. A processor is configured for determining whether or not the second position code is present in the image of the surface, determining a location by means of the second position code and determining whether the sensing device is placed in a field on the surface of the base, wherein the field is associated with a function to be performed by the sensing device.