JPH041891A - Product sales data processing device - Google Patents

Abstract

PURPOSE:To use a prepaid card for a long period by providing a numeral judging means and a payment processing control means for paying all or a part of total amount of money based on the amount of money of remainder data stored in the card when it is judged that there is no numeral data by this judging means. CONSTITUTION:A register main body 1 is connected to a card reader/writer 2 for a prepaid card through a signal cable 3. For a customer desires to pay a part of the total amount of accounting of money with the remainder of the prepaid card, after all merchandises bought by the customer are registered, while the prepaid card of the customer is loaded on the card reader/writer 2, the amount of payment desired by the customer is registered by registering keys 11. Then, a card booking key 14 is key-inputted. Then the registered amount of money is subtracted from the remainder of the card and the rest is written in the prepaid card as new remainder data. Thus, the prepaid card can be used for a long period.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention is an electronic cash register, POS (
(point of sale information management) terminals and other product sales data processing devices.

[Prior Art] For example, as seen in the payment of public phone call charges and the sale of railway tickets, memory cards, so-called prepaid cards, in which a purchase limit is stored in advance are purchased in advance at or close to the limit. However, unlike credit cards, this sales system that allows you to purchase products up to the limit amount is time-saving because there is no need to confirm authenticity, and it improves work efficiency in sales registration work. You can expect it.

Therefore, conventionally, if the card balance of the prepaid card is equal to or greater than the total amount of the transaction, the entire amount is paid with the prepaid card, and if it is less than the total amount, the card balance is paid with the prepaid card and the shortfall is made up. 2. Description of the Related Art Product sales data processing devices are known that allow payment to be made with cash or another card. (Unexamined Japanese Patent Publication No. 1-263896
However, in this case, unless the purchase limit of the prepaid card is set to a considerably high value, the balance on the card will quickly run out, so the prepaid card has to be sold at a high price, making it less popular.

Therefore, there is a product sales data processing device that, when an instruction is given to pay with a prepaid card, only a fraction of the total amount is subtracted from the card balance, and the remaining amount is paid by means other than the card.

(Refer to Japanese Unexamined Patent Publication No. 2-15396, etc.) However, in this case, the customer must always prepare another means of payment, such as cash, in addition to the card, making the system inconvenient.

[Problem to be solved by the invention] As described above, the former device has the advantage of eliminating the need for payment methods other than cards, but there is the problem that prepaid cards are forced to be expensive, and the latter device has the advantage of eliminating the need for payment methods other than cards. With this device, prepaid cards can be sold at low cost, but there is a problem in that a payment method other than a card is required.

Furthermore, in any of the devices, the next process becomes possible when the prepaid card is ejected from the card reader/writer. For this reason, the store clerk sometimes forgets to return the prepaid card ejected from the card reader/writer to the customer, causing inconvenience to the customer.

Therefore, the invention described in claim 1 allows the customer to arbitrarily select whether to pay the entire amount of the transaction amount or only a part of it using the card balance of the prepaid card, improving the service quality and making it relatively inexpensive. The present invention aims to provide a product sales data processing device that allows prepaid cards sold in the market to be used for a long period of time.

Furthermore, the invention as set forth in claim 2 is intended to provide a product sales data processing device that can prevent a customer from forgetting to return a prepaid card after making a payment using the prepaid card.

Means for Solving Problem C] The invention according to claim 1 registers product sales data of each transaction whose information is input through the input unit in the storage unit, and calculates the total amount for each transaction, In a product sales data processing device that enables payment of the total amount by cash, card, etc., there is a card reader/writer for reading balance data stored in the card and writing new balance data, and for inputting numerical data. a numeric key, a numeric register that stores the numerical data entered by the numeric key, a card closing key for instructing payment by card, and a numeric register that stores the numeric data input using the numeric key, and a card closing key that instructs payment by card; A numerical determination means for determining whether or not numerical data is stored in the register, and when the determination means determines that numerical data is present, payment processing is performed for all or part of the total amount using the amount of the numerical data. , a payment processing control means that processes all or part of the total amount using the amount of balance data stored in the card when it is determined that there is no numerical data.

The invention according to claim 2 registers the product sales data of each transaction whose information is input through the input unit in the storage unit, calculates the total amount for each transaction, and pays for the total amount by at least a card. In the product sales data processing device made possible by a payment processing control means for processing the payment of all or part of the total amount using the amount of balance data stored in the card based on key input; and when the payment by the card is processed by the payment processing control means; A extraction instruction means for instructing the extraction of the card from the card reader/writer; a card monitoring means for monitoring whether or not a card has been extracted from the prepaid card while the instruction means is instructing the card extraction; and the monitoring means and prohibition means for prohibiting other processing until it is confirmed that the card has been removed.

[Function] In the invention described in claim 1, for a customer who wishes to pay the entire transaction amount using the card balance of the prepaid card, after registering all the products purchased by the customer,
With the customer's prepaid card attached to the card reader/writer, the card tightening key is input. Then, if the card balance is equal to or greater than the total amount, the total amount is subtracted from the card balance, and the remainder is written to the prepaid card as new balance data. If the card balance is less than the total amount, the full amount of the card balance will be subtracted from the total amount, and the remaining amount will be paid by cash or another payment method such as a card.

On the other hand, for customers who wish to pay a portion of the total transaction amount (for example, a fractional amount) with their prepaid card balance, after registering all the products purchased by the customer, With the prepaid card in the device, the customer enters the desired payment amount using the number keys,
Next, input the card closing key. Then, the prepaid amount is subtracted from the card balance, the remainder is written to the prepaid card as new balance data, the prepaid amount is subtracted from the total amount, and the remaining amount is processed for payment using a payment means other than the card.

In the invention set forth in claim 2, after the customer registers all the products purchased, the customer inputs the card closing key with the customer's prepaid card attached to the card reader/writer. Then, all or part of the total amount will be processed using the card balance of the prepaid card. After that, when the card is ejected from the card reader/writer, a message instructing to remove the card from the card reader/writer is displayed, and other processing is prohibited, and the prohibited state remains until the prepaid card is removed from the card reader/writer. is retained.

[Example] Hereinafter, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view showing the external configuration of the device of this embodiment, in which an electronic cash register main body (hereinafter referred to as the register main body) 1 and a card reader/writer 2 for prepaid cards are connected by a signal cable 3. ing.

A keyboard 4 is provided in the center of the front of the register body 1, and functions as an input section for inputting information regarding sales products.
A mode switch 5 is provided which is operated with a key to select various business modes such as "accounting" and "setting". A cashier's display 6 is provided at the upper front of the register body 1 to display electronically the sales amount, total amount, etc. of registered products. A printer 7 is provided. A customer display 8 having the same structure as the cashier display 6 is attached to the top of the register body 1, and a drawer 9 for storing cash and the like is installed at the bottom. 10 is a receipt issuing port.

The keyboard 4 includes number keys 11 for inputting numerical data such as the number of sales items, sales amount, deposit amount from customers, etc., a department key 12 for inputting the department code to which the sales item belongs, - A subtotal key 13.1 for instructing the output of subtotals for products sold to customers; a deposit/cash total key 14 for declaring the end of transaction registration; a cancellation key 15 for canceling the last registered product, etc. Various keys are arranged.

The deposit/total key 14 not only functions as a closing key for instructing payment by cash, but also functions as a card closing key for instructing payment by prepaid card.

The card reader/writer 2 reads balance data magnetically recorded on a prepaid card and writes new balance data, and as shown in the figure, it has a card insertion/ejection port 16 and an LED (light emitting diode) on the front of the casing. 17
and is provided. Also, although not shown, card insertion and
A card sensor is provided near the entrance of the discharge port 16 to detect the presence or absence of a card.

FIG. 2 is a control block diagram of the register main body 1, in which a CPU (central processing unit) 21 constituting the control section main body
ROM 23 and RAM 24 via the pass line 22.
storage unit is connected.

Further, signals are sent from a card reader/writer interface 25 that controls the transmission and reception of data between the card reader/writer 2 via the signal cable 3, a clock circuit 26 that measures the current date and time, and a mode switch 5. At the same time, a drive signal is output to the drawer opening device 27 that opens the drawer 9! 10 ports 28,
A keyboard circuit 29 that receives key input data from the keyboard 4, a display control circuit 30 that drives and controls each of the displays 6.8, a printer control circuit 31 that drives and controls the printer 7, etc. are connected to the pass line 22. CP via
Connected to U21.

The ROM 23 stores program data and the like for the CPU 21 to control each section.

As shown in FIG. 3, the RAM 24 includes a department accumulator 41 that totals the number of sales and sales amount of each product by department code, and a department accumulator 41 that stores the number of occurrences and total amount of each transaction such as cash transactions and card transactions. A transaction-by-transaction accumulator 42 that accumulates, a numeric register 43 that stores the numerical data entered using the numeric keys 11, an amount totalizer 44 that stores the total amount of products sold to -1 customers, and one transaction using a prepaid card. Transaction amount memory 45 that stores the payment amount of , payment balance memory 46 that stores the remaining amount after payment of one transaction using a prepaid card, card data memory 47 that stores card data read from the prepaid card, etc. Flag memories 48, 49, and 50 are formed for a flag F1, a subtotal flag F2, and a card transaction flag F3.

The CPU 21 is programmed to execute the key input process shown in FIG. 4 in response to key input operations on the keyboard 4.

That is, when the key input data of the numeric key 31 is taken in via the keyboard circuit 29, the numeric data corresponding to the numeric key 31 is stored in the numeric register 43, and the contents of the numeric register 43 are displayed on the screen display. 6.8, and this process is completed.

When key input data other than the numeric keys is taken in, the state of the mode switch 5 is checked and processing corresponding to the input key of the business mode selected by the switch 5 is executed.

Here, with the "registration" mode selected by the mode switch 5, the department key 12 is pressed via the keyboard circuit 29.
When the key input data is taken in, the department key processing shown in FIG. 5 is executed. That is, first, the state of the registration flag F1 in the flag memory 48 is checked. Then, the flag F1
If it has been reset (0), the first product registration operation has been performed for one customer, and after setting ( ]) the flag F1, the amount totalizer 44 is cleared to "0". On the other hand, if the flag F1 is set, the subtotal flag F2 is reset because the second and subsequent product registration operations have been performed for - number of customers. Next, the department accumulator 41 accumulates the number of sales items and the sales amount of the registered products based on the department code corresponding to the input department key. Further, the sales amount is added to the amount totalizer 44. Furthermore, the sales amount is displayed on the screen displays 6 and 8, and the printer 7 is driven to print registered product detail data such as the department code, number of items sold, and sales amount on the receipt and journal, and this process is completed. .

When the key input data of the subtotal key 13 is taken in via the keyboard circuit 29 with the "registration" mode selected by the mode switch 5, the subtotal key processing shown in FIG. 6 is executed. That is, first, the state of the registration flag F1 in the flag memory 48 is checked.

If the flag F1 has been reset, it means that a key operation was performed before product registration for one customer, so the key input operation is ignored and the process ends.

If the registration flag F1 has been set in response to the input of the subtotal key 13, the subtotal output for - number of customers has been instructed, so after setting the subtotal flag F2 in the flag memory 49, the amount totalizer 44 The amount data within is displayed as a subtotal amount on the display devices 6 and 8, and is printed out on a receipt and journal using a printer. Then,
An initialization command is sent to the card reader/writer 2 via the card reader/writer interface 25.

In response, when a response indicating that a card is present is received from the card reader/writer 2, since a prepaid card is attached to the card reader/writer 2, a card ejection command is sent to the card reader/writer 2. Card reader/writer 2 as required
When an abnormal response is received from the cashier, a message indicating a discharge error is displayed on the cashier display 6, and the process is terminated.

On the other hand, if a normal response is received to the card ejection command, or if a no-card response is received to the initialization command, the card reader/writer 2
Send a card reading command to. In response, a response indicating that a card has been inserted is received from the card reader/writer 2, and then an abnormal response is received, indicating that a card was inserted into the card reader/writer 2 but the card data of the card could not be read normally. A message indicating a reading error is displayed on the computer display 6, and an initialization command is sent to the card reader/writer 2. In this case, since a card is attached to the card reader/writer 2, the card ejection command is sent and the card is ejected as described above.

On the other hand, if a response indicating that a card has been inserted is received in response to the card reading command, and then a normal response is received, it means that a card has been inserted into the card reader/writer 2 and the card data of the card has been successfully read. A data request command is sent to the card reader/writer 2. When card data is received from the card reader/writer 2 in response, the received data is analyzed. If the received data is abnormal, for example, the balance data of the prepaid card is “0”.
or if it is card data other than a prepaid card, a message indicating a card error is displayed on the cashier display 6, and an initialization command is sent to the card reader/writer 2. In this case, since a card is attached to the card reader/writer 2, the card ejection command is sent as described above and the error card is ejected.

On the other hand, if the card data received in response to the data request command is normal prepaid card data, a transaction using a prepaid card has occurred, and after setting the card transaction flag F3 in the flag memory 50, the card data memory 47 to be memorized. Then, the balance data in the card data stored in the card data memory 47 is displayed on the cashier display 6, and this process is completed.

If there is a key input operation on the keyboard 4 after transmitting the card reading command and before there is a response from the card reader/writer 2 indicating that the card has been inserted, the process shifts to the key input process shown in FIG.

When the key input data of the cancel key 15 is taken in via the keyboard circuit 29 with the "registration" mode selected by the mode switch 5, the cancel key process shown in FIG. 7 is executed. That is, first, the subtotal flag F in the flag memory 49
Check the condition of 2.

If the flag F2 is set, the key operation was performed after the subtotal amount was output, so an initialization command is sent to the card reader/writer 2. In this case, if a card is attached to the card reader/writer 2, a card ejection command is sent and the card is ejected as described above.

Note that if the flag F2 has been reset, the conventional process corresponding to the cancellation key 15 is executed.

When the key input data of the deposit/account key 14 is taken in via the keyboard circuit 29 with the "registration" mode selected by the mode switch 5, the deposit/account key processing shown in FIG. 8 is executed. That is, first, the state of the subtotal flag F2 in the flag memory 49 is checked. If the flag F2 has been reset, the key operation is performed before the subtotal for one customer is output, so the key input operation is ignored and the process is ended.

If the subtotal flag F2 has been set in response to the input of the deposit/cash total key 13, it has been declared that the transaction for which the subtotal amount has been output has been registered, and then the card transaction flag F3 of the flag memory 50 is set. Find out. Here, if the flag F3 is lit, a cash transaction has been declared, and the conventional cash closing process is executed.

On the other hand, if the card transaction flag F3 is set, a transaction using a prepaid card has been declared, so the contents of the number register 43 are checked.

(Numeric value determination means) If the numeric data in the numeric register 43 is greater than "0", it means that numeric data was input using the numeric key 11 immediately before the key input on the deposit/account key 14. , the numerical data is first compared with the card balance data in the card data memory 47. If the numerical data is less than the card balance, then the numerical data is compared with the monetary data in the totalizer 44, that is, with the subtotal amount. If the numerical data is less than or equal to the subtotal amount, the numerical data is stored in the withdrawal amount memory 45. Note that if the numerical data is larger than the card balance or subtotal amount, the input of the numerical data is treated as an error and an initialization command is sent to the card reader/writer 2.

On the other hand, if the numeric data of the numeric register 43 is "01", the numeric key 1 is
Since numerical data 1 was not input, the amount data in the amount totalizer 44, that is, the subtotal amount, and the card balance data in the card data memory 47 are compared. If the subtotal amount is greater than or equal to the card balance, the card balance is stored in the transaction amount memory 45, and if the subtotal amount is less than the card balance, the subtotal amount is stored in the transaction amount memory 45.

Next, the amount data in the transaction amount memory 45 is subtracted from the balance data in the card data memory 47 to calculate new balance data. Then, a card write command to which this new balance data is added is transmitted to the card reader/writer 2. When an abnormal response is received from the card reader/writer 2 in response, the new balance data was not correctly written to the prepaid card inserted in the card reader/writer 2, so a message indicating a writing error is displayed on the cashier display 6. is displayed, and the card reader/writer 2
Send an initialization command to. In this case, since a card is attached to the card reader/writer 2, the card ejection command is sent and the card is ejected as described above.

On the other hand, if a normal response is received to the card write command, new balance data has been written to the prepaid card and a transaction using the prepaid card has been completed. Add to the cumulative amount area for cards. Also, the number of times area corresponding to the same card is updated by "+1". Furthermore, the printer 7 is driven to print out the transaction amount as a card transaction amount on a receipt and a journal. (Above payment processing control means) Next, the transaction amount is subtracted from the subtotal amount of the amount totalizer 44 to obtain the remaining payment amount, and the remaining payment amount is stored in the remaining payment amount memory 46. It also sends a card ejection command to the card reader/writer 2.

If an abnormal response is received from the card reader/writer 2 in response, the prepaid card was not ejected normally from the card reader/writer 2, so a message indicating an ejection error is displayed on the cashier display 6, This process ends.

On the other hand, if a normal response is received to the card ejection command, the remaining payment amount data in the remaining payment amount memory 46 is checked. Here, if the remaining payment amount is greater than 0 yen, the remaining payment amount is displayed on the cashier display 6 and the customer display 8, and this process is terminated.

On the other hand, if the remaining amount to be paid is 0 yen, the printer 7 is driven to print a long receipt, and the receipt is issued from the receipt issuing port 10. Next, a message is displayed on the cashier display 6 to instruct the extraction of the prepaid card from the card reader/writer 2 (extraction instruction means), and a card extraction command is sent to the card reader/writer 2 (card monitoring). means). When there is a response from the card reader/writer 2 indicating that the card has been removed, the flags F1 to F3 in the flag memories 48 to 50 are reset, and the process is terminated.

Note that when a response indicating that the card has not been extracted is received in response to the card extraction command, the operation of transmitting the card extraction command is repeated until a response indicating that the card has been extracted is received (prohibition means).

On the other hand, the card reader/writer 2 is configured to execute the processing shown in FIGS. 9A and 9B every time it receives various commands from the register body 1 via the signal cable 3. That is, when an initialization command for the card reader/writer 2 is received from the register main body 1 side, it is checked whether a prepaid card is inserted inside the card insertion/ejection port 16 or not. Then, if the card is inserted, a response indicating that the card is present is sent to the register main body 1, and if the card is not attached, a response indicating that the card is not present is sent to the register main body 1.

When a card reading command is received from the register main body 1 side, the LED 17 is blinked to prompt insertion of the card. In this state, when there is a card detection output from the card sensor, a card has been inserted into the card insertion/ejection port 16, so the card is carried into the interior. Then, a response indicating that the card has been inserted is sent to the register body 1, and the LED 17 is turned on to notify that the card is being inserted. Next, the card data of the inserted card is read by the reading head, and if the data can be read normally, a normal response is sent to the register body 1. Note that if the card data cannot be read normally, an abnormality response is sent to the register itself.

When a data request command is received from the register body 1 side, the card data read by the reading head is transmitted to the register body 1.

When a data write command is received from the register main body 1 side, new balance data received together with the command is recorded on the prepaid card via the write head. At this time, if the new balance data is written normally, a normal response is sent to the register body 1, and if it is not written normally, an abnormal response is sent.

When a card ejection command is received from the register main body 1 side, the card inserted inside is ejected from the card insertion/ejection port 16. At this time, if the card is ejected normally, a normal response is sent to the register body 1 and the LED 17 is turned off. If the card is not ejected normally, an abnormal response is sent and the LED lighting operation is turned off. Make it continue.

When a card removal command is received from the register main body 1 side, it is checked whether the card ejected from the card insertion/ejection port 16 has been removed. If there is a card detection output from the card sensor, it means that the card has not been removed, so a response indicating that the card has not been removed is sent to the register body 1, and if there is a card non-detection output, it means that the card has been removed. Sends a response indicating that the card has been removed.

In a store that employs the device of this embodiment configured as described above, a prepaid card with a predetermined purchase limit recorded as balance data is sold to a customer at the purchase limit or an amount close to the limit. .

On the other hand, customers purchase this prepaid card in advance,
When paying for shopping at a store, present the prepaid card to the store clerk. Therefore, the store clerk first inputs the subtotal key 13 after registering the sale of the product purchased by the customer for the customer who wishes to pay by prepaid card. Then, the total amount will be displayed on the cashier display 6 and the customer display 8. Next, insert the prepaid card deposited from the customer into the card insertion/ejection slot 1 of the card reader/writer 2.
Insert into 6. Then, the card data of the prepaid card 2 is read and the card balance is displayed on the screen displays 6, 8, and the clerk asks the customer how much he/she wishes to pay using the prepaid cart.

Here, if the card balance remains more than the total amount and the customer wishes to pay the total amount with a prepaid card, the clerk will deposit/cash the card without inputting the number using the number key 11. Enter key 14. Then, the total amount in the amount totalizer 44 is stored in the transaction amount memory 45, and the contents of the transaction amount memory 45 are subtracted from the card balance to calculate new card data. This new balance data is then written to the prepaid card inserted into the card reader/writer 2 and discharged.

Further, the amount in the transaction amount memory 45 or the card transaction amount is accumulated in the transaction accumulator 42, and the card transaction amount is printed on a receipt and the receipt is issued.

Further, even if the card balance is less than the total amount and the customer wishes to use the entire card balance for payment, the clerk does not input the number using the number keys 11, but instead presses the deposit/cash total key 14. input.

Then, the card balance is stored in the transaction amount memory 45 and the new card data becomes "0". This new balance data is then written to the prepaid card inserted into the card reader/writer 2 and discharged. Further, the amount in the transaction amount memory 45 is accumulated as the card transaction amount in the transaction-by-transaction accumulator 42, and the card transaction amount is printed on the receipt. In this case, the amount totalizer 44
The remaining payment amount remains after subtracting the transaction amount in the transaction amount memory 45 from the total amount in the transaction amount memory 45.
, 8. The customer then pays the displayed balance with cash or another prepaid card.

On the other hand, if the customer wishes to pay a portion of the total amount, for example, a fractional amount less than 100 yen, with a prepaid card and the rest in cash, the clerk enters the amount to be paid by card using the number key 11. After that, the deposit/cash key 14
Enter the key. Then, the entered numerical data is stored in the transaction amount memory 45, and the contents of the transaction amount memory 45 are subtracted from the card balance to calculate new card data. This new balance data is then written into the prepaid card inserted into the card reader/writer 2 and discharged. Further, the amount in the transaction amount memory 45 is accumulated as the card transaction amount in the transaction-by-transaction accumulator 42, and the card transaction amount is printed on the receipt. In this case, a remaining payment amount remains after subtracting the transaction amount in the transaction amount memory 45 from the total amount in the amount totalizer 44, and the remaining payment amount is displayed on the screen display 6.8.

As a result, the customer pays the displayed remaining payment amount in cash.

In addition, if the card balance remains at least the total amount and the customer wishes to pay the total amount with a prepaid card, enter the total amount using the number key 11 and then press the deposit/cash total key 14. Even if you input , the desired payment process will be performed.

As described above, according to this embodiment, the customer can timely select whether to pay the entire amount or only a desired portion of the total amount using the prepaid card. Therefore, for example, if you do not have cash on hand, you can use a prepaid card to pay the entire amount, and if you do have cash, you can use a prepaid card to pay only a fraction of the amount. As a result, the prepaid card can be used for a relatively long time without increasing the purchase limit so much, and it is also easy to use.

By the way, when the payment process using the prepaid card is completed, the prepaid card with the new balance data written thereon is ejected from the card insertion/ejection port 16, and the clerk removes the card and returns it to the customer. In this case, key input on the register main body 1 is prohibited, and even if the clerk attempts to register the next customer's product without removing the card, the operation is disabled. At this time, a message instructing the cashier to remove the card (for example, "Please remove the card") is displayed on the cashier display 6. Therefore, even if the clerk forgets to remove the card and return it to the customer, the clerk will quickly notice the mistake.

Further, in this embodiment, in response to the input of the subtotal key 13, insertion of the prepaid card into the card reader/writer 2 is permitted, and thereafter, in response to the input of the cancellation key 15, the prepaid card is ejected. It has become so. Therefore, the cancellation key 15, which is normally used for last-minute cancellation of registered products, is made to function as a card ejection instruction key when canceling payment with a prepaid card, and there is no need to provide a special key for instructing card ejection.

Note that the present invention is not limited to the above embodiments.

For example, in the embodiment described above, the deposit/total key 14 is used as the card closing key, and the cancellation key 15 is used as the card ejection instruction key when canceling payment with a prepaid card, but dedicated keys may be provided for each. Further, in the embodiment described above, insertion of a prepaid card into the card reader/writer 2 is permitted in response to a key input of the subtotal key 13, or the insertion timing of the prepaid card may be changed. It goes without saying that various other modifications can be made without departing from the gist of the present invention.

[Effects of the Invention] As detailed above, the present invention provides the following effects.

According to the invention described in claim 1, the customer can arbitrarily choose whether to pay the entire amount of the transaction amount or only a part of it with the card balance of the prepaid card, and it is possible to improve the service quality and to make it relatively cheaper. To provide a product sales data processing device that allows a prepaid card sold at a low price to be used for a long period of time.

According to the second aspect of the invention, it is possible to provide a product sales data processing device that can prevent a customer from forgetting to return a prepaid card after making a payment using the prepaid card.

[Brief explanation of the drawing]

The figures show an embodiment of the present invention, in which FIG. 1 is a perspective view showing the overall configuration of the embodiment device, FIG. 2 is a control block diagram of the embodiment device, and FIG. 3 shows main components of the RAM. A diagram showing the memory configuration, FIG. 4 is a flowchart showing the key input processing of the CPU,
FIG. 5 is a flowchart showing department key processing in the key input processing, FIG. 6 is a flow chart showing subtotal key processing in the key input processing, FIG. 7 is a flow chart showing cancel key processing in the key input processing, and FIG. This figure is a flowchart showing deposit/account key processing in the key input processing, and FIGS. 9A and 9B are flowcharts showing command reception processing of the card reader/writer. 1...Register body, 2...Card reader/writer, 4
... Keyboard, 6... Cashier display, 8.
・Customer display, 11... Number key 12... Department key 13... Subtotal key 14... Deposit/Cash total key 15.
... Cancellation key, 43... Number register, 44... Amount totalizer, 45... Transaction amount memory, 46... Payment amount memory, 7... Card data memory.

Claims (2)

[Claims] (1) The product sales data of each transaction entered through the input unit is registered in the storage unit, the total amount is calculated for each transaction, and the total amount can be paid by cash, card, etc. The product sales data processing device includes a card reader/writer for reading balance data stored in the card and writing new balance data, a number key for inputting numerical data, and a number key for inputting numerical data. a numeric register that stores numerical data;
a card closing key for instructing payment by the card; a numerical determination means for determining whether numerical data is stored in the number register in response to a key input of the card closing key; and this determining means. If it is determined that there is numerical data, all or part of the total amount will be processed using the amount of the numerical data, and if it is determined that there is no numerical data, the total amount will be processed using the amount of the balance data stored in the card. A product sales data processing device comprising: payment processing control means for processing all or part of the amount of money. (2) Product sales in which the product sales data of each transaction whose information is input through the input unit is registered in the storage unit, the total amount is calculated for each transaction, and the total amount can be paid at least by card. The data processing device includes a card reader/writer for reading balance data stored in the card and writing new balance data, a card closing key for instructing payment using the card, and a key input for the card closing key. payment processing control means for processing the payment of all or part of the total amount with the amount of balance data stored in the card based on the payment processing control means, and when the payment by the card is processed by the payment processing control means; extraction instruction means for instructing card extraction from the card reader/writer; card monitoring means for monitoring whether or not a card has been extracted from the prepaid card while the instruction means is instructing card extraction; and the monitoring means 1. A product sales data processing device comprising: prohibition means for prohibiting other processing until it is confirmed that a card has been removed.