Patent ID: 8708128

Claim:
A paper currency deposit-withdrawal mechanism comprising: a paying in/paying out section that accepts a banknote introduced by a customer during pay-in and stacks a banknote to be paid out to a customer during pay-out; a classification section that performs various classifications on a banknote; a banknote storage box that stores a banknote employed in pay-out; a conveyance path that conveys a banknote; a storage section that stores a stacking sequence table that includes, in stacking sequence, a stacking sequence indicator of a banknote stored in the banknote storage box and serial number data of the banknote; a stored note count counting section that counts a current stored note count of banknotes stored in the banknote storage box; a detection section that, during pay-out, if a banknote fed out from the banknote storage box is one or more pay-out irregular banknotes classified by the classification section as having a conveyance irregularity, detects the serial number data of a next subsequent banknote following the one or more pay-out irregular banknotes; a correction note count section that compares the detected serial number data and the serial number data in the stacking sequence table along with the stacking sequence, and counts a number of the banknotes with serial number data not matching the serial number data in the stacking sequence table as a number of the one or more pay-out irregular banknotes; a correction section that corrects the current stored note count by reducing the count number of the current stored note count of the banknote storage box by the number of the one or more pay-out irregular banknotes; and a conveying and stacking section that conveys the one or more pay-out irregular banknotes for which the correction note count has been counted to the paying in/paying out section with the conveyance path and stacks the one or more pay-out irregular banknotes.