JPH09237296A - Reader/writer for electronic currency and method for operating the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an IC card electronic purse by which a person who is not accustomed to the operation of an electronic unit can easily and securely execute the operation of the input of input/output amount on electronic currency with a sense for dealing with regular cache by input-operating the input/output amount of electronic currency through the use of denomination keys in electronic currency transfer between mutual IC cards. SOLUTION: The forms of the denomination keys 111 are made into those approximated to paper money (rectangular) and coins (round), which are currency circulated at present and the sizes of the keys are changed. Even when a person having disability in eyes executes an operation, he can identify the difference and the sizes of the key forms only by touching the keys, and he can securely execute the operation. Thus, the malfunction of a user caused by an IC card storage part into/from which the card can easily be extracted/ inserted and a key layout following the operation procedure of electronic currency transfer functions can be reduced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reader / writer for an electronic currency used in an electronic currency system and a method of operating the same, and more particularly, to a holding device for storing an electronic currency and another holding device. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suitable reader / writer for transferring electronic money to and from a device and a method of operating the reader / writer.

[0002]

2. Description of the Related Art In recent years, an electronic currency system has been proposed in which electronic currency is exchanged by communication between IC cards containing electronic currency. The IC card used in this system has a microprocessor with a communication function inside, an EE that stores the processing program and the balance of electronic currency.
It is configured with a memory such as EPROM. And I
The C card is a dedicated terminal such as an IC card electronic wallet, etc., through an electronic currency system that can be connected to terminals provided in banks, shops, private residences, etc. through communication lines. By using it, you can transfer electronic currency to and from other IC cards. In such an IC card electronic wallet, when electronic currencies are exchanged between IC cards, an input means for directly inputting numbers with a ten-key pad is used as an input means for the deposit and withdrawal amount of electronic currency.

[0003]

In the electronic currency system proposed above, it is not yet determined what kind of function or form each device constituting the system should have, and it is still under development. However, conventional readers / writers have only a ten-key input means as an input means for inputting / withdrawing amounts of electronic currency, and no consideration has been given to persons who are unfamiliar with the operation of electronic devices.

The object of the present invention is, in the above-mentioned electronic currency system, another holding device connected between two electronic currency holding devices housed in the main body or via another device having a communication function. It is to provide a reader / writer that allows easy input of an amount of money when transferring electronic money between and.

[0005]

According to the present invention, in order to achieve easy input of a monetary amount, the object is such that the input operation is associated with a currently circulating currency, a bill and a coin. This is achieved by operating the denomination button and enabling the user to directly input the amount of money as if handling cash.

[0006]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of an electronic wallet in an electronic currency system according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a block diagram showing the configuration of an electronic currency system to which an electronic wallet according to the present invention is applied. First, the configuration of the electronic currency system will be described with reference to FIG.

FIG. 1 is a block diagram showing a configuration of an electronic currency system to which an IC card telephone according to the present invention is applied. First, the configuration of the electronic currency system will be described with reference to FIG. In FIG. 1, 1 is a bank office system, 2
Is a distribution system, 3 is an end user system, 4 is a vending machine system, 5 is a bank computer center, 6 is an electronic currency issuing organization, 7 is a public communication network, 10 is an IC card, 11 is an external IC card reader / writer. , 12 is a counter terminal, 13 is an internal communication line, 14 is an automatic teller machine, 15 is an electronic safe, 16 is an electronic currency transaction control terminal, 17
Is a relay computer, 21 is a POS terminal for electronic currency, 2
2 is a POS terminal, 23 is a store controller, 24 is a center device, 25 is an information control system, 26 is a workstation, 31 is an electronic wallet, 32 is a personal computer, 33 is P
C card type card reader / writer, 34 IC card telephone, 41 built-in IC card reader / writer, 42 vending machine, 51 accounting system host, 52 external system, 53 external control terminal is there.

The electronic currency system shown in FIG. 1 has a public communication network 7, a bank business system 1, a distribution system 2 installed in a large store such as a department store or a supermarket, a personal computer 32 as an end user system 3, an IC card telephone. 34 is connected and configured, and the vending machine system 4 and the like are configured as a system not connected to the communication network 7. In the illustrated example, one representative system is shown for each system. However, many systems can be connected to the public communication network 7 and configured. The bank business system is connected to the bank computer center 5 by a dedicated line or the like, and the bank computer center 5 is connected to an electronic currency issuing organization 6.

The IC card 10 is provided with a microprocessor having a communication function therein and a memory such as an EEEPROM for storing a processing program and the balance of electronic currency, and is possessed by an individual who is an end user.
Owned by banks, shops, vending machines, etc. that participate in the electronic currency system.

The bank office system 1 is, as is known,
The teller terminal 12 and the automatic teller machine 14 are connected via the internal communication line 13, and the relay computer 1
Although it is configured to be connected to a bank computer center through 7, an IC card reader / writer 11 is provided in the counter terminal 12 for electronic currency settlement and the automatic teller machine 1
4, an IC card reader / writer is built in, and an electronic safe 15 is connected via an electronic currency transaction control terminal 16.

The bank computer center 5 comprises an accounting system host 51 and an external system 52. The external system 52 is provided with an external control terminal 53, a relay computer 17 and an electronic safe 15. ing.

The distribution system 2 is usually constructed by connecting a POS terminal to the center device 24 via the internal communication line 13 and the store controller 23. Is equipped with an external IC card reader / writer 11 or PO for electronic currency
It is configured using the S terminal 21. In addition, the center device 2
4 is an information control system 25 and a workstation 2
6. The electronic safe 15 is provided.

The end user system 3 is mainly an individual user system, and simply needs an electronic wallet 31 capable of displaying the balance of electronic currency in the IC card. It is also possible to add a function such as a calculator to the electronic wallet 31. Further, the personal computer 32 is configured to be connectable to the public communication network 7 by providing a personal computer owned by a personal computer with a PC type card reader / writer 33 for electronic currency settlement.
Also, an IC card 10 that stores electronic currency in a normal telephone
It is also possible to use the IC card telephone 34 having a processing function for.

The personal computer 32 and the IC card telephone device 34 in the above-mentioned end user system 3 have two internal components.
By providing two sets of card readers / writers for one IC card, electronic money can be exchanged between the two IC cards. As a result, for example, the electronic currency in the owner's IC card can be transferred to the wife's IC card, and the same processing as when handling ordinary cash can be performed.

The vending machine system 4 is composed of a vending machine 42 provided with a built-in IC card reader / writer 41.

Next, a method of using the electronic currency system to which the present invention configured as described above is applied will be described.

Banks, shops, vending machines, individuals, etc., who participate in the system, can use the electronic currency issuing organization 6 to the IC card 10
Are distributed, and the bank receives the electronic currency in exchange for cash that is normally distributed and stores it in the electronic safe 15 provided in the external system 52. This electronic safe 15
As will be described later, a large number of IC cards 10 are stored therein, and the electronic currency received from the electronic currency issuing organization is distributed and stored in each card 10. The electronic currency stored in the IC card in the electronic safe 15 of the external system 52 is the IC card 1 in the electronic safe 15 of the bank business system 1 installed in each bank business.
Distributed to zero.

An individual as an end user who participates in the electronic currency system possesses the IC card 10 distributed,
By using the teller terminal 12 of the bank office system 1 and the automatic teller machine 14, the deposit of the own account held in the bank is exchanged into electronic currency and withdrawn, and stored in the own IC card 10. In addition, a personal computer 32 having an own PC card type reader / writer 33, or an IC card telephone 34,
By connecting to the bank office system 1 via the public communication network 7, as in the case described above, the deposit of the own account held in the bank is exchanged for electronic currency and withdrawn, and stored in the own IC card 10. be able to.

At the time of withdrawing the above-mentioned electronic currency, the IC card possessed by the individual is stored in the counter terminal 12, the automatic teller machine 14, the personal computer 32, or the IC card telephone 34 by the communication function of the own card. IC in the electronic safe 15 in the bank office system 1 via the reader / writer
Connected with the card. Then, under the control of the electronic currency transaction control terminal 16, the electronic currency stored in the IC card 10 in the electronic safe 15 in the bank office system 1 is stored in the IC card 10 owned by an individual. .
At this time, in the electronic safe 15 in the bank office system 1
The balance of electronic currency stored in the IC card 10 is reduced by the amount stored in the IC card 10 owned by an individual. The withdrawal of a deposit from an individual's account is performed in the same manner as in the past.

[0021] In the above description, it is explained that an individual's IC card is used to withdraw and store the deposit of the individual's bank account. However, the cash is brought to the window of the bank or the window of the electronic currency issuing organization, and there. It can also be stored in an IC card.

In contrast to the above, the electronic currency in the IC card is the electronic safe 1 in the bank office system 1 via the counter terminal 12, the automated teller machine 14 and the personal computer 32.
You can return it to the IC card in 5 and deposit it in your own account at the same time.

As described above, the user who stores the electronic currency in his / her IC card 10 is
It is possible to use the IC card as well as cash to buy goods and receive various services.

Now, a user who stores the electronic currency in his / her IC card 10 purchases at a store, and POS for payment.
It is assumed that the purchased product is brought to the terminal counter. The handler handles the sale price of the item by reading the barcode, etc., as in the case of normal transactions.
Input from 1 or 22, calculate the total and bill the customer.

[0025] The customer stores electronic currency instead of cash
When paying with an IC card, the customer inserts the IC card into the card insertion hole of the electronic currency POS terminal 12 or an IC card reader / card connected to a normal POS terminal 22.
Insert in the writer 11. As a result, the electronic safe 1 installed in the customer's IC card and the center device 24 of the store
One of the IC cards in 5 is connected via the internal communication line 13 and the workstation 26, and the electronic currency in the customer's IC card is in the electronic safe 15 in the center device 24. , The receipt is output from the POS terminal, and the payment processing for shopping is completed.
In this case, the electronic currency in the customer's IC card is reduced by the amount used for shopping and added to the electronic currency in the IC card of the store.

In the above description, in the distribution system provided with a large number of POS terminals and an electronic safe in which a large number of IC cards are stored in the center device 24, the transaction price of the merchandise is paid. In the case of a system with only one depositing machine, the depositing machine is equipped with an IC card reader / writer for the customer's IC card, and the depositing machine has the IC card owned by the store. By doing so, between the IC card possessed by this store and the customer's IC card connected via the IC card reader / writer,
You can make payments in electronic currency. And the electronic currency in the IC card owned by the store is as described above.
It can be deposited in a bank account or can be cashed at a bank window.

Further, in the distribution system having the above-mentioned POS terminal, as a system construction method, each POS terminal is provided with an IC card, and money is exchanged with the customer's IC card once. It is possible to carry out between the IC card and the customer's IC card, and transfer it from the POS terminal to the IC card in the electronic safe 15 of the center device 24 as required.

When the vending machine 42 or the like participates in the electronic currency system, the built-in IC card reader / writer 41 is provided in the vending machine 42 and the vending machine itself is equipped with the IC card reader / writer 41.
An IC card may be provided so that the customer exchanges money with the IC card inserted in the IC card reader / writer 41.

Next, an embodiment of the electronic wallet of the present invention used in the electronic currency system as described above will be described with reference to the drawings.

FIG. 2 is a perspective view showing the external appearance of the electronic wallet 31 according to the embodiment of the present invention. In FIG. 2, 101
Is a main body portion, 102 is a door portion, 103 is a door pocket portion, 10
4 is an IC card 1 insertion slot, 105 is an IC card 2 insertion slot, 1
0 is an IC card, 106 is a display unit, 107 is a hinge, 10
8 is a power button, 109 is a function button, 110 is an up / down button, 111 is a denomination button, 112 is a decision button, 11
3 is a cancel button.

FIG. 3 is a perspective view showing the external appearance of the electronic wallet with the door 102 closed.

FIG. 4 is a perspective view showing the appearance of the electronic wallet with the body 101 viewed from the bottom side. In FIG.
Reference numeral 114 is a hole for taking out the IC card 1.

FIG. 5 is a sectional view of AA in FIG. a is the insertion dimension of the IC card 10 into the main body 101, and b is the IC card 1
1 is the insertion dimension of 0 into the main body 101,
Is the same as

An electronic wallet 31 according to an embodiment of the present invention
As shown in FIGS. 2 and 4, the main body 101 and the door 10
2. An IC card 1 that is composed of a hinge 107 that connects them and that stores electronic currency in the main body 101.
Two sets of IC card insertion slots 104 and 105 for inserting 0, display section 106, power button 108, function button 109 for selecting a menu, up / down button 110 for inputting the deposit / withdrawal amount of electronic currency, A denomination button 111, a decision button 112, a cancel button 113, and an IC card take-out hole 114 for taking in and out the IC card 10 are provided. Further, a door pocket 103 for storing an unused IC card is provided inside the door 102 connected to the main body 101 by a hinge 107.

The above-mentioned two sets of IC card insertion ports 104, 1
In 05, one of the IC card insertion openings 104 is the main body 101
On the left side of the IC card, as shown in FIG. 5, a dimension of inserting the IC card into the main body 101, the IC card is inserted so that at least one third of the vertical dimension of the IC card can be stored in the main body 101. It is arranged so that it is inserted horizontally, and the other IC card insertion opening 104 is shown in FIG.
As shown in the insertion dimension of the IC card into the main body 101, the entire length of the IC card can be stored in the main body 101, and the IC card can be slid in the insertion direction with a finger from the IC card ejection hole 114. The IC card is placed horizontally so that it can be easily taken in and out. IC provided on the right side surface of the main body 101
The card insertion port 104 is used to store the user's personal IC card, and since the entire IC card is stored in the main body 101, it does not bother the user when carrying it all the time, and
It has the effect of preventing the loss of the IC card. And these ICs
When the IC card 10 is inserted into the card insertion slot 104,
The IC card is connected to an IC card reader / writer (not shown), and electronic currencies can be exchanged between the IC cards.

The various buttons arranged on the upper surface of the main body 101 are the power button 108 and the function button 1 which are buttons used until the electronic wallet is activated and the desired function is called.
09, the up and down buttons 110 are arranged on the left side of the upper surface of the main body, the denomination button 111 for inputting the deposit and withdrawal amount of electronic currency is arranged at the center of the upper surface of the main body, and the decision and cancel buttons for these operations are arranged on the right side of the upper surface of the main body. , Which shows the flow of a series of operations related to electronic currency exchange,
The malfunction of the user can be reduced. In addition, the shape of the denomination button 111 is similar to that of currencies and coins that are currently in circulation (in the illustrated example, the quadrangle 10,000 yen, 5000 yen, and 1000 yen buttons that represent banknotes and coins are Round shape of 500 yen, 100 yen, 50
By setting the yen, 10 yen, 5 yen, 1 yen button),
Even a person who is unfamiliar with the operation of electronic equipment can easily and surely enter the deposit / withdrawal amount of electronic currency as if he / she handles ordinary cash.

FIG. 6 is a block diagram showing the functional arrangement of an electronic wallet according to an embodiment of the present invention. 115 is a microprocessor for electronic currency control, and 116 is a special purpose IC. Other reference numerals are the same as those in FIG.

Next, an operation example when electronic money in an IC card is exchanged using the electronic wallet configured as described above will be described.

FIG. 7 is a flow chart for explaining the operation when the electronic wallet 31 according to the embodiment of the present invention is used and electronic money is exchanged between two IC cards inserted in the electronic wallet. Yes, this will be described below.

(1) First, the main body 101 of the electronic wallet 31
Then, two IC cards for transferring the electronic currency are inserted into the IC card insertion ports 104 and 105. Main unit 1
01 By pressing the power button 107 arranged on the upper surface, the home screen 310 is displayed on the display unit 106. (2) With the home screen displayed,
When the function button 109 is pressed, the balance amount of the electronic currency of each of the inserted IC cards is displayed, and a screen for determining in which direction the electronic currency is transferred, such as 302 and 303, is displayed. In the figure, the left arrow indicates the IC card set on the left side surface of the main body, and the right arrow indicates the IC card set on the right side surface of the main body. The screen 302 was set on the left side of the main body
The electronic money is transferred from the IC card to the IC card set on the right side of the main body, and the screen 303 indicates that the electronic money is transferred in the opposite direction. These screens 302 and 303 can be switched to each other by pressing the up / down button 110.

(3) After selecting one of the screens 302 and 303 (in the illustrated example, the electronic currency is transferred from the IC card set on the left side of the main body 1 to the IC card set on the right side of the main body 101). Screen 30 showing transferring
2), and by operating the denomination button 110,
Enter the amount to transfer. In the illustrated example, the denomination button 11
By pressing the 10000 yen button once, the 1000 yen button once, and the 100 yen button twice within 0, 11
00 yen is input, and as a result, the moving amount of 11,200 yen is displayed as shown on the screen 304. In addition, if the transfer amount is erroneously input, it is possible to return to the pre-input status screens 302 and 303 by pressing the cancel button and input again. At this time, the balance amount of the electronic currency of each IC card is also displayed.

(4) The user confirms that the entered amount is correct and presses the enter button 112. As a result, the electronic currency control microprocessor 114 inside the electronic wallet 31 is set on the right side of the main body 101 from the IC card set on the left side of the main body 101.
Start the process of transferring electronic currency to the IC card. During execution of this processing, the screen display is the screens 305 and 30.
6, the screen 307 is displayed at the end of the processing. In such exchange of electronic currency, it goes without saying that the balance of electronic currency in each IC card is changed, and the balance amount of electronic currency of each IC card after the movement is also displayed on the screen 307.

(5) By pressing one of the buttons arranged on the upper surface of the main body 1 while the screen 307 is displayed, the home screen 301 is displayed again, and the series of processing is completed. You can
Also, another IC card can be inserted to continue the process.

The exchange of electronic currency between the above-mentioned two IC cards is performed, for example, when the IC card is used by a married couple at home, between parents and children, or when an individual lends or borrows money. By connecting the wallet to another device capable of communicating information in the IC card or a telephone, it can be used when exchanging electronic currencies between other electronic wallets and between banks' hosts.

FIG. 8 is a perspective view showing the external appearance of an electronic wallet according to another embodiment of the present invention.

The electronic wallet shown in FIG. 8 has a power button 108 on the left side of the upper surface of the main body 101 and a large display section 10 in the center.
6. A function button 109, an up / down button 110, a cancel button 113, and an enter button 112 are arranged on the right side, and information contents are displayed on the central display section 106 ′, and a denomination button by a soft key is displayed. Display 106 "
Is used as a touch panel.
With this configuration, denomination buttons corresponding to currencies of the world (for example, yen for Japan, dollar for US), numeric keypad, or a direct amount of money can be touched on the display. It becomes possible to display the input by character recognition written on the screen with simple switching, and select the operation according to the currency unit of each electronic currency stored in the IC card, or the operation according to your preference. It can be used and this electronic wallet can be made easier to use.

According to the IC card electronic wallet according to the above-described embodiment of the present invention, when the electronic currency is exchanged between the IC cards, the input / output amount of the electronic currency can be input by using the denomination button. , It is possible to provide an electronic wallet in which the amount of money to be deposited and withdrawn can be easily entered as if handling ordinary cash.

Further, the denomination button is formed into a shape close to the shape of bills (squares) and coins (circles) which are currencies currently in circulation, and by changing the size, it is unfamiliar with the operation of electronic equipment. Even for a person or the like, it is possible to easily and surely operate the input and output amounts of the electronic currency as if they were handling ordinary cash. Also, when a blind person operates it,
By simply touching the button, you can identify the difference in button shape and operate it reliably.

Although not explained above, by illuminating the button itself of the denomination corresponding to the amount of electronic currency stored in the IC card by changing the color by lighting (for example, an electronic card stored in the IC card If the currency amount is 15,000 yen,
The denomination button of 10,000 yen and the 5000 yen button light up), and you can visually check the balance of the electronic currency stored in the IC card.

Further, according to the IC card electronic wallet according to the embodiment of the present invention, an IC card electronic wallet having an IC card storage part which can be easily inserted and removed and a button layout which follows the operation procedure of the electronic currency transfer function is provided. Can be provided.

[0051]

As described above, according to the present invention, the IC
When exchanging electronic money between cards, using the denomination button to input and withdraw the amount of electronic currency, the feeling of handling ordinary cash even for people who are unfamiliar with operating electronic devices Thus, it is possible to provide an IC card electronic wallet that can easily and reliably operate the input and output of electronic currency.

By making the denomination button into a shape close to the shape of bills (squares) and coins (circles), which are currencies currently in circulation, and changing the size, people with visual impairments Even when operating, it is possible to identify the difference in size of the button shapes by simply touching the button, and to perform the operation reliably.

Furthermore, it is possible to reduce the malfunction of the user due to the IC card storage part that can be easily inserted and removed and the button layout according to the operation procedure of the electronic currency transfer function.

[Brief description of drawings]

FIG. 1 is a block diagram showing a configuration of an electronic currency system to which an electronic wallet according to the present invention is applied.

FIG. 2 is a perspective view showing an external appearance of an electronic wallet according to an embodiment of the present invention.

FIG. 3 is a perspective view showing the external appearance of the electronic wallet with the door closed.

FIG. 4 is a perspective view showing the external appearance of the electronic wallet as viewed from the bottom side.

5 is a cross-sectional view taken along the line AA of FIG.

FIG. 6 is a block diagram showing a functional configuration of an electronic wallet according to an embodiment of the present invention.

FIG. 7 is a flowchart illustrating an operation when electronic currency is exchanged between two IC cards inserted in the electronic wallet using the electronic wallet 31 according to the embodiment of the present invention.

FIG. 8 is a perspective view showing an external appearance of an electronic wallet according to another embodiment of the present invention.

[Explanation of symbols]

 1 Bank office system 2 Distribution system 3 End user system 4 Vending machine system 5 Bank computer system 6 Electronic currency issuing organization 7 Public communication network 10 IC card 11 External IC card reader / writer 12 Counter terminal 13 Internal communication line 14 Cash Automatic deposit payment machine 15 Electronic safe 16 Electronic currency transaction control terminal 17 Relay computer 21 Electronic currency POS terminal 22 POS terminal 23 Store controller 24 Center device 25 Information control system 26 Workstation 31 Electronic wallet 32 Personal computer 33 PC card type card reader / Writer 41 Built-in IC card reader / writer 42 Vending machine 51 Accounting system host 52 External system 53 External control terminal 101 Main body 102 Door 103 103 Door pocket 104 IC card 1 insertion slot 105 IC Card 2 Insertion Port 106 Display Unit 106 'Display Unit 107 Hinge 108 Power Button 109 Function Button 110 Up / Down Button 111 Money Button 112 Decision Button 113 Cancel Button 114 IC Card Ejection Hole 115 Electronic Currency Control Microprocessor 116 Special Purpose IC 310 Home screen 311 Card 1 insertion status display 312 Card 2 insertion status display 320 Screen 321 Moving direction display 331 Moving direction display 330 Screen 340 Screen 350 Screen 360 Screen 370 Screen.

Front page continuation (72) Inventor Takeshi Hoshino 1-280, Higashi Koikeku, Kokubunji, Tokyo, Hitachi, Ltd. Design Research Center (72) Inventor Hiroki Kitagawa 1-280, Higashi Koikeku, Kokubunji, Tokyo Hitachi Design Research Co., Ltd. In-house (72) Inventor Masayuki Oki 1-280 Higashi-Kengokubo, Kokubunji, Tokyo Inside Hitachi Design Laboratory

Claims (7)

[Claims] 1. A reader / writer for electronic money for moving electronic money between holding devices for holding electronic currency, the main body having an insertion opening into which the holding device is inserted, and the upper surface of the main body. The denomination button and a display means for displaying the operation status of the denomination button are provided in the electronic currency reel.
Da / Writer. 2. The main body according to claim 1, wherein the main body has an insertion opening for inserting the two holding devices, and a button for controlling a moving direction of electronic currency between the two holding devices. A reader / writer for electronic currency. 3. The electronic currency reel according to claim 1, wherein the denomination button has a button representing a banknote and a button representing a coin.
Da / Writer. 4. The holding device according to claim 2, wherein the holding device is an IC.
The denomination button is formed by displaying the denomination button in the display section on the upper surface of the main body, and the operation status of the upper denomination button is displayed on the display surface. A reader / writer for electronic currency, characterized by displaying operation of a seed button. 5. A method of operating a reader / writer for electronic currency for moving electronic currency between holding devices for holding electronic currency, wherein the reader / writer for electronic currency inserts the holding device. Has two insertion openings and a display section, and when the holding device is inserted into one of the two insertion openings, the holding section is inserted into the display section at a position for the one insertion opening. The currency balance of the device is displayed, and when the holding device is inserted into the other of the insertion ports, the currency balance of the holding device inserted in the position for the other insertion port of the display unit is displayed. Characteristic electronic currency reader / writer operation method. 6. A moving button for controlling the moving direction of currency between two holding devices is provided, and the moving direction of currency is reversed every time the moving button is operated once. And a moving direction corresponding to the control content is displayed. An electronic currency reader / writer operating method. 7. The moving amount according to claim 6, further inputting a moving amount, the moving amount is displayed based on the input, and the displayed moving amount is displayed when a determination operation is performed after the moving amount is displayed. It is controlled to move in a different moving direction, and the result of the movement is displayed.
How to operate the da / writer.