| 摘要 |
The invention relates to a method and a machine for checking the legality of issue of a bank or postal cheque with a view to allowing the payee to detect a stolen cheque. The machine comprises a microprocessor ( mu P), means for acquiring the account number inscribed on the cheque (MG), means for conversion into binary ( mu P), logic calculation means (CAL) adapted to make the foregoing set of holder account numbers in a binary base correspond to the image set of the binary numbers with at most 14 bits, a decimal input system (CL) for insertion of a confidential four-number decimal code, means of conversion of the code into binary base (CV), means of temporary memory storage for the said code (RAM), logic means (COMP) for comparison of the result issued by the calculating means and of the memory-stored binary base code, and warning means AFF; SON; LA3; LA4 for interpreting the results of the comparison in a simple form. <IMAGE> |
