Patent ID: 6273340
Filing Date: 2001-08-14
Classification: G06K

Abstract:
A process for coding information comprising(a) providing an object bearing unencoded information,(b) providing a numerical seal,(c) processing at least a portion of the unencoded information with an encoding function using the numerical seal as a key to produce encoded information, and(d) affixing on the object a marking constituted by a plurality of elementary signs belonging to at least two different types, the signs being grouped in coding zones in the form of a matrix of elements arranged in a series of columns, each zone corresponding to coded information different from other coding zones, in which the marking comprises (i) at least one configuration zone containing coded information specific for a type of object on which the marking is affixed and determining at least one characteristic of at least one of the coding zones other than the configuration zone, and (ii) a central field zone containing the encoded information produced from the unencoded information and the numerical seal.