METHOD AND DEVICE TO DIAGNOSE FIRST RECEPTION OF IDENTIFIER, METHOD OF DETECTION, RECORD MEDIUM AND COMPUTER PROGRAMME FOR THIS METHOD Russian patent published in 2013 - IPC G06F21/00 

FIELD: information technologies.

SUBSTANCE: method includes stages, at which the following is carried out: a) at least one unit is built (64, 68) as the function N of already received identifiers, where N is strictly more than the quantity of maximum M identifiers, which may be contained in a storage device of counteraction to repeated reproduction, besides, the limit is built for limitation of the range of identifiers that have not been received yet, and the range of identifiers containing N already received identifiers; b) the newly received identifier is compared (58) with the specified limit; c) if the newly received identifier belongs to the range of identifiers that have not been received yet, the first reception of the newly received identifier is diagnosed (60), and d) if the newly received identifier belongs to the range of identifiers containing N identifiers that have been received already, the newly received identifier is sought for (73) among the ones contained in the storage device for prevention of repeated reproduction.

EFFECT: increased accuracy of diagnostics due to identification of the limit as the function of quantity of already received identifiers higher than the maximum M of identifiers.

11 cl, 3 dwg