A medium processing device includes a main body unit that counts a medium and that is configured to be connectable to at least one medium processing unit that accommodates the medium. The main body unit includes: a plurality of power supply lines including first and second power supply lines, the first and second power supply lines being independent of each other and supplying electric power toward the at least one medium processing unit, and an output part that outputs a control signal toward the at least one medium processing unit.

A medium processing device includes a main body unit that counts a medium and that is configured to be connectable to at least one medium processing unit that accommodates the medium. The main body unit includes: a plurality of power supply lines including first and second power supply lines, the first and second power supply lines being independent of each other and supplying electric power toward the at least one medium processing unit, and an output part that outputs a control signal toward the at least one medium processing unit.

An accounting device according to an embodiment includes an input device that receives an instruction to start a job. A first display device includes a first screen facing a first direction towards a person who operates the input device. A change machine includes a depositing port for receiving money and a dispensing port for dispensing money. A second display device includes a second screen facing a second direction different from the first direction and towards a person who deposits money into the depositing port or receives money from the dispensing port. When the instruction received by the input device is to start a predetermined job that is different from the accounting transaction and that includes depositing money into the change machine or dispensing money from the change machine, the processor causes information supporting execution of the predetermined job to be displayed on the second screen.

An accounting device according to an embodiment includes an input device that receives an instruction to start a job. A first display device includes a first screen facing a first direction towards a person who operates the input device. A change machine includes a depositing port for receiving money and a dispensing port for dispensing money. A second display device includes a second screen facing a second direction different from the first direction and towards a person who deposits money into the depositing port or receives money from the dispensing port. When the instruction received by the input device is to start a predetermined job that is different from the accounting transaction and that includes depositing money into the change machine or dispensing money from the change machine, the processor causes information supporting execution of the predetermined job to be displayed on the second screen.

An input and output controller transmits timing signals respectively to sensor modules based on unit conveyance distances of the respective sensor modules and a predetermined order of the sensor module. The sensor modules reads, in response to the timing signals, identification information included in an object and respectively generates read data and. The input and output controller acquires the read data respectively generated by the sensor modules and respectively outputs the read data in the predetermined order.

Provided is a paper sheet processing device that is capable of efficiently distinguishing and processing banknotes to be distinguished. This paper sheet processing device is provided with: an identification unit that identifies serial numbers added to paper sheets; and a control unit that executes identification of the paper sheets on the basis of the serial numbers identified by the identification unit, and a serial number list which includes the serial numbers and additional information associated with at least one of the serial numbers.

In order to adjust the amount of money in a transaction apparatus installed in a store, a transaction system includes: a money handling unit that receives money, and recognizes and counts the received money to acquire a first total amount of the received money and a quantity of money for each denomination; a memory that stores therein a transaction condition including a transaction fee rate previously set for each denomination; and a processing unit that calculates, for each denomination, an amount of money by multiplying the quantity of money for each denomination by the transaction fee rate, based on the quantity of money and the transaction condition, and performs processing on a transaction of the received money, based on the first total amount acquired by the money handling unit and on a second total amount calculated by summing up the calculated amounts of money for the respective denominations.

In order to make a store, which has no right of possession to money being stored in an apparatus installed in the store, able to withdraw and use the money, a transaction system capable of withdrawing money is provided with: a management apparatus that manages information on a withdrawal point that is exchangeable for the money; and a transaction apparatus that receives a request for a withdrawal transaction to be performed by using the withdrawal point and dispenses money for the withdrawal transaction.

A medium handling apparatus includes a first memory device that is tamper resistant, a second memory device that stores a plurality of executable instructions, and a processor. The first memory device includes a first memory area that stores pieces of verification information, used for verification of validity of the plurality of executable instructions, as a list which enables a search for particular verification information by version of an executable instruction, and a second memory area that stores identification information for identifying a piece of verification information of an executable version of the executable instruction from the list. Each of the pieces of verification information includes an identifier of a version and a verification value calculated based on a valid executable instruction corresponding to the identifier.

An accounting device according to an embodiment includes an input device that receives an instruction to start a job. A first display device includes a first screen facing a first direction towards a person who operates the input device. A change machine includes a depositing port for receiving money and a dispensing port for dispensing money. A second display device includes a second screen facing a second direction different from the first direction and towards a person who deposits money into the depositing port or receives money from the dispensing port. When the instruction received by the input device is to start a predetermined job that is different from the accounting transaction and that includes depositing money into the change machine or dispensing money from the change machine, the processor causes information supporting execution of the predetermined job to be displayed on the second screen.