MANAGEMENT OF VALUABLE DOCUMENTS, BY ASSOCIATING A VALUABLE DOCUMENT WITH A SUBSET OF A POSITION-CODING PATTERN

摘要

A method for management of valuable documents (6). The method is carried out in a computer (1) which is connected to a computer network and comprises the steps of receiving an order from the computer network relating to a valuable document (6), and, in response to the order, creating said valuable document (6). The document creation comprises the step of associating the valuable document (6) with a subset of a position-coding pattern (7). When the valuable document is checked when used, a control signal comprising at least one pair of coordinates, which has been recorded by reading the position-coding pattern on the valuable document, is received. It is determined to which coordinate area the pair of coordinate belongs and on the basis of this coordinate area the acceptability of the valuable document is checked. Corresponding computer program products and arrangements are also described.