JPH08171676A - Commodity sale registration data processor - Google Patents

Abstract

PURPOSE: To calculate again the change through a simple key operation even after the deposit sum-up operation of a single transaction and also to display and output the recalculated amount of change by providing a change buffer which temporarily stores the amount of change calculated by a change calculated means and a change recalculation key which gives command to recalculate the amount of change. CONSTITUTION: This data processor contains a change buffer which is included in a RAM 3 and stores temporarily the amount of change calculated by a change calculation means, and a change recalculation key which calculates again the amount of change. When a deposit amount is inputted by an input means after a commodity is registered by a commodity register means, the total amount stored in a transaction total storage part is subtracted from the deposit amount so that an amount of change is calculated and stored in the change buffer. Under such conditions, the command for recalculation is given with a change recalculation key and also the deposit amount is added by an input means. Thus, amount of change is calculated again from the added deposit amount and the amount of change stored in the change buffer. And, the recalculated amount of change is shown on a front face display 9a and a customer face display 9b respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a merchandise sales registration data processing device such as an electronic cash register or a POS (point of sale information management) terminal used in a store that allows payment of purchased merchandise in cash.

[0002]

2. Description of the Related Art In a supermarket, for example, a cashier collectively registers all products purchased by a shopper in a product sales registration data processing device at an accounting location. Then, since the total amount of all the products purchased by the shopper is displayed on the display unit of the device, the cashier asks the shopper to pay the price. Here, when the shopper offers to pay in cash, the cashier counts the amount of money deposited by the shopper with the number key provided on the keyboard of the device, and then the cashier places it. Enter the deposit amount by pressing the current total key. Incidentally, this key operation is referred to as a custody operation. Then, the change calculation for subtracting the total amount from the deposit amount is performed inside the device, and the change amount is displayed on the display unit and the receipt is issued. Therefore, the cashier sends the cash equivalent to the change amount together with the receipt to the shopper. Pass to. This completes the settlement of one shopper.

The cash equivalent to the change is given to the customer when the cashier stores the cash stored in the drawer, and when the cashier automatically pays out from the automatic change dispenser connected to the device. There are cases.

By the way, in order to eliminate the fraction of the change, the shopper may add the fractional amount when paying the total amount. For example, if the total amount of money is 103 yen and you pay 200 yen, the change amount will be 97 yen and many coins (at least one 50 yen coin and four 10 yen coins 5
You have to receive 1 yen coin and 2 yen of 1 yen coin), but if you pay 203 yen, the change amount will be 100 yen, and you only need to receive 1 100 yen coin.

However, in some cases, after paying the total amount of money in cash, and after the cashier performs the custody operation, it is known that the customer owns the fractional amount of cash, and the fractional amount of cash is presented again. There is. For such customers, the conventional merchandise sales registration data processing device does not have a recalculation function for the change amount, so it is assumed that there is a deposit with the first payment and the fractional amount added. There was a trouble that the cashier had to calculate it by mental arithmetic.

[0006]

As described above, in the conventional merchandise sales registration data processing device, since the change amount recalculation function is not provided, when the customer presents a fractional amount after the custody operation, It was necessary to artificially calculate the amount of change due to mental arithmetic, which was a burden on the cashier, and there was a risk of mistakenly giving the amount to the customer due to a calculation error. Further, since the change amount displayed on the display unit of the merchandise sales registration data processing device does not match the change amount actually given to the customer, there is a problem that it is impossible to confirm whether or not the change amount is correct.

Further, in the commodity sales registration data processing device to which the automatic change dispenser is connected, since only the change due to the custody operation is paid out, the cashier has to take the trouble to separately prepare the change amount from the drawer and hand it to the customer. Also, in this case, there is a possibility that the amount of money may be mistakenly given to the customer.

The present invention has been made under such circumstances, and its object is to enable recalculation of change of a transaction by a simple key operation even after the operation of depositing and closing one transaction. It is an object of the present invention to provide a product sales registration data processing device capable of displaying and outputting the recalculated change amount and improving the efficiency of money transfer operations and preventing change payment errors.

Further, it is possible to provide a merchandise sales registration data processing device capable of automatically paying out the recalculated change amount from an automatic change machine, improving the efficiency of money transfer operations and preventing change payment errors. It is what

[0010]

The present invention has a total transaction amount storage unit for storing the total amount of all products registered for sale in one transaction by the item registration unit, and also has a deposit amount input unit. When the deposit amount is entered by the input device after the product is registered by the product registration unit, the balance calculation unit calculates the remaining amount by subtracting the total amount stored in the transaction total storage unit from the deposit amount and displays it on the display unit. In the product sales registration data processing device for output, a change amount buffer for temporarily storing the change amount calculated by the change calculation means, a recalculation key for commanding recalculation of the change amount, and a change calculation by the change calculation means, When recalculation is instructed by the recalculation key and the deposit amount is additionally input by the input means, the additional deposit amount and the change amount in the change amount buffer are used. And re-change calculating means for calculating a change amount, in which a re-change display control means for displaying on the display unit again change amount calculated by the re-change calculation means.

Further, the present invention is a commodity sales registration data processing device for calculating a balance amount obtained by subtracting a total amount stored in a transaction total storage unit from a deposit amount by a change amount calculating unit and issuing the change amount from an automatic change machine. Change amount buffer,
In addition to the fishing recalculation key and the re-change calculation means, a re-change payment control means for instructing an automatic change machine to pay the re-change amount calculated by the re-change calculation means is provided.

[0012]

In the present invention having such a configuration, when the deposit amount is input by the input unit after the product is registered by the product registration unit, the balance amount obtained by subtracting the total amount in the transaction total storage unit from the deposit amount is the change amount. It is calculated and stored in the change amount buffer. In this state, when the recalculation is instructed by the fishing recalculation key and the deposit amount is additionally input by the input means, the rebalance amount is calculated from the additional deposit amount and the change amount in the change amount buffer. It is calculated. Then, this re-change amount is displayed on the display unit.

Further, in the present invention, when the re-change amount is calculated in the same manner as described above, the automatic change machine is instructed to pay the re-change amount, and the automatic change machine is paid out.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a POS terminal will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a main configuration of a POS terminal according to the present invention. This POS terminal is a CPU (central processing unit) 1 which constitutes a main control unit, and this CPU.
A ROM (Read Only Memory) 2 and a RAM (Random Access Memory) 3 as main memory units controlled by 1 are mounted, and these are used as an address bus,
It is connected by a bus line 4 such as a data bus.

Further, via the bus line 4, a clock circuit 5 for measuring the date and time, a communication interface 6 for controlling data communication with a higher-level device (not shown) connected to the line, and a keyboard 7 are controlled to input keys. A display that controls the keyboard controller 8 that takes in the signal of No. 1, the front display 9a that displays data to the cashier, and the customer-side display 9b that displays data to the customer to display the display data on each display screen. Container controller 10 and printer 1
A printer controller 12 for controlling 1 to print print data on receipt paper and journal paper, a scanner controller 14 for controlling the scanner 13 to take in scanning data, and an automatic change machine 16 detachably connected via a signal cable 15. Automatic change dispenser interface 17, mode switch 1 that controls data communication with
An I / O port 21 for sending a drive signal is connected to a drawer opening device 20 for inputting a signal from the device 8 and automatically opening the drawer 19.

The keyboard 7 is, as shown in FIG.
A numeric key 71 for inputting numerical data such as the number of sales points and deposit amount, a clear key 72 for instructing to clear the numeric data or canceling an error, and the numeric data is a PLU (price look up) code. In addition to the PLU key 73 for instructing that, the multiplication key 74 for instructing that the number data is a multiplier, the subtotal key 75, the current total key 76 for instructing that the number data is the deposit amount, and the change amount. It is a keyboard dedicated to the POS terminal and provided with a fishing recalculation key 77 for instructing recalculation.

Here, the PLU code is a code used for registering a sale item in the POS terminal, and the PLU code corresponding to each item is directly printed or label-printed in the form of a bar code. . Incidentally, the bar code can be read by the scanner 13. Here, the numeric keypad 71 and the PLU key 73 of the keyboard 7
Together with the scanner 13 constitute a product registration means.

The mode switch 18 is for "register",
This is a switch for selecting various work modes such as "check", "settlement", and "setting". Here, “registration” is a mode of business in which sales data of each product registered by the product registration means is registered in the sales storage unit, and “inspection” is total data of sales data registered in the sales storage unit. The mode of business that outputs the report, "Settlement" is the mode of business that outputs the total data of the sales data registered in the sales storage unit as a report and then clears the contents of the storage unit. This is a business mode in which data necessary for executing the business is set in advance in the sales storage unit.

Now, the POS terminal in this embodiment is
As shown in FIG. 3, the PLU file 3 is stored in the RAM 3.
1, various memory areas such as a sales totaling file 32, a transaction totalizer 33, a change amount buffer 34, a flag F1 for registration, a current total key flag F2, and a flag memory 35 for storing a change machine connection flag F3 are formed.

The PLU file 31 is a file in which the unit price of each product is stored in advance corresponding to the PLU code set for each product. The sales totaling file 32 is a file for registering the sales points, sales amounts, etc. of each registered merchandise and totaling them by merchandise, department, transaction, etc., and constitutes a sales storage unit.

The transaction totalizer 33 is an area for storing the total price of all the products registered for sale in one transaction, and constitutes a transaction total storage unit. The change dispenser buffer 34 is an area for temporarily storing the change amount.

In the flag memory 35, the in-registration flag F1 is a flag which is turned on when the registration of one transaction is started and turned off when the registration is completed, and the current total key flag F2 is set to 1
It is a flag that turns on when the deposit amount of a transaction is input and turns off when the next customer starts registering. In addition, the change dispenser connection flag F3 indicates that the automatic change dispenser 1 is provided in the change dispenser interface 17.
6 is a flag that is turned on when 6 is connected and in a usable state, and is turned off when not connected or in a disabled state.

However, in the POS terminal, when the "registration" mode is selected by the mode switch 18, the input operation of the numerical key 71 and the PLU key 73 or the reading operation of the bar code by the scanner 13 is performed. When the PLU code of the sale item is entered, the CPU1
Is configured to execute the merchandise item registration process shown in the flowchart of FIG. 4 by the program in the ROM 2.

That is, when the product registration process is started, the CPU 1 first determines in ST (step) 1 whether or not the registration flag F1 is on. And
When the registration flag F1 is off, the product is the first product registration for one transaction, and thus the registration flag F1 is turned on as ST2. Further, the current total key flag F2 is turned off. Further, as ST3, both the transaction totalizer 33 and the change amount buffer 34 are cleared to "0". ST1
If the registering flag F1 has already been turned on,
Since it is the product registration after the second point of the transaction, the above ST2 and S
The process of T3 is not performed.

Next, the CPU 1 executes a sales data registration process at ST4. That is, the PLU file 31 is searched by using the input PLU code as a search key, and when the corresponding unit price is read, the unit price is multiplied by the number of sales of the registered product to calculate the sales amount of the registered product. And the sales amount is registered in the sales totalization file 32. In addition, the sales number of the registered product is set to a multiplier when the multiplier is input by the numerical key 71 and the multiplication key 74 immediately before the PLU code is input, and is set to "1" when the multiplier is not input.

Next, the CPU 1 adds the sales amount of the registered merchandise to the transaction totalizer 33 in ST5. Also, ST6
The detailed data such as the PLU code of the registered product, the number of sales, the unit price, and the sales amount are displayed on the display unit (front display 9a, customer display 9b), and the printer 11 is driven to display the above detailed data on the receipt paper. If the product is printed on the journal paper, the product registration process ends.

Further, in this POS terminal, when the deposit amount is inputted by the input operation of the numeral keys 71 and the current total key 76 in the state where the "registration" mode is selected, the CPU 1 stores in the ROM 2 Is configured to execute the current total key processing shown in the flowchart of FIG.

That is, when starting the current total key process, the CPU 1 firstly proceeds to ST11 to register the flag F1 during registration.
It is determined whether or not is on. When the registration flag F1 is off, it is an operation error that the deposit amount is input before the product registration for one transaction, and therefore, error processing such as displaying an error message on the front display 9a is performed. . On the other hand, when it is confirmed in ST11 that the registration flag F1 is turned on, the current total key flag F2 is turned on and the registration flag F1 is turned off in ST12.

Next, in ST13, a current total key process is executed. That is, the data indicating that the total amount of cash stored in the transaction totalizer 33 has been sold is registered in the sales totaling file 32.

Next, at ST14, change calculation processing is executed. That is, the transaction totalizer 3 is calculated based on the deposit amount input by the input operation of the numeral keys 71 and the total key 76.
The change amount is calculated by subtracting the total amount in 3 (change calculation means).

Next, at ST15, it is judged whether or not the change amount is larger than 0 yen. If the change amount is larger than 0 yen, the change amount is changed to the change amount buffer 34 in ST16.
To be stored. If the change amount is 0 yen in ST15, the process of ST16 is not performed.

Next, at ST17, the deposit amount and the change amount are displayed on the front display 9a and the customer display 9b.

Then, in ST18, the change machine connection flag F3 is checked. When the flag F3 is reset to "0", the automatic change dispenser 16 is not connected or cannot be used. Therefore, in ST19, an opening command signal is sent to the drawer opening device 20 to open the drawer 19. Let it open.

On the other hand, when the change dispenser connection flag F3 is set to "1", since the automatic change dispenser 16 is connected and in a usable state, the withdrawal for instructing the cash withdrawal corresponding to the amount of change in ST20. The command is sent to the automatic change dispenser 16 via the automatic change dispenser interface 17.

After that, in ST21, the printer 11 is driven to print the total amount, deposit amount, change amount, etc. on the receipt paper and the journal paper, and if the receipt is issued, the present key processing is ended.

Further, this POS terminal has the above-mentioned "registration".
With the mode selected, the fishing recalculation key 77
When recalculation of change amount is instructed by input operation of
PU1 is configured to execute the fishing recalculation key processing shown in the flowchart of FIG. 6 by the program in ROM2.

That is, when the fishing recalculation key process is started, the CPU 1 first determines at ST31 whether or not the current total key flag F2 is turned on. When the current total key flag F2 is off, this is an operation error instructing the recalculation of the change amount before the deposit amount of one transaction, and therefore an error message such as displaying an error message on the front display 9a is displayed. Perform processing. On the other hand, when it is confirmed in ST31 that the current total key flag F2 is turned on, the change amount stored in the change amount buffer 34 in ST32 is displayed on the front display 9a and the customer-side display 9b. Display the amount of change.

Next, the CPU 1 waits for additional input of the deposit amount in ST33. Then, when the deposit amount data is entered with the numeral keys 71 and the current total key 75, S
As T34, the deposit amount additionally input to the change amount in the change amount buffer 34 is added to obtain the re-change amount, and the content of the change amount buffer 34 is updated to the re-change amount (re-change amount calculating means).

At ST35, the re-change amount in the change amount buffer 34 is displayed on the front display 9a and the customer-side display 9b.
Is displayed together with the additional deposit amount (re-change display control means).

Then, in ST36, the change machine connection flag F3 is checked. And this change machine connection flag F
When 3 is reset to "0", the automatic change dispenser 16 is not connected or cannot be used.
As a result, an opening command signal is sent to the drawer opening device 20 to open the drawer 19.

On the other hand, when the change dispenser connection flag F3 is set to "1", since the automatic change dispenser 16 is connected and is in a usable state, the updated change in the change amount buffer 34 is set in ST38. A withdrawal command for instructing cash withdrawal corresponding to the amount is sent to the automatic change dispenser 16 via the automatic change dispenser interface 17 (re-change dispense control means).

After that, in ST39, if the printer 11 is driven to print the additional deposit amount and the re-change amount only on the journal paper, the re-calculation key process is terminated.

Next, the function and effect of this embodiment thus constructed will be described based on a concrete example.

For example, it is assumed that one shopper purchases a total amount of 103 yen and pays 200 yen in cash. At this time, the cashier operating the POS terminal performs a check-and-hold operation by depressing the current total key 75 after entering "200" with the number key 71. Then, this deposit amount 200
The change amount of 97 yen is calculated by subtracting the total amount of 103 yen in the transaction totalizer 33 from the yen, and as shown in FIG. 7 (a),
A deposit amount of 200 yen and a change amount of 97 yen are displayed on the front display 9a and the customer display 9b. Further, the change amount of 97 yen is stored in the change amount buffer 34.

Here, when the automatic change dispenser 16 is not operating, the drawer 10 is opened and a receipt is issued. Therefore, the cashier arranges the change amount of 97 yen from the drawer 19 and hands it to the customer together with the receipt. . On the other hand, automatic change machine 16
When the cashier is operating, a change amount of 97 yen is automatically paid out from the automatic change machine 16 and a receipt is issued. Therefore, the cashier hands the change amount of 97 yen and the receipt to the customer.

However, when the shopper notices that the shopper owns a fractional amount of the total amount, that is, 3 yen after performing the above-mentioned custody operation, and presents it to the cashier, the cashier firstly asks the recalculation key for fishing. Press 77. Then, as shown in FIG. 7B, the change amount of 97 yen is displayed on the front display 9a and the customer display 9b.
The cashier presses the current total key 75 after entering "3" with the numeric keypad 71 (a data display example of the front display 9a and the customer display 9b at this time is shown in FIG. 7C). And input the additional deposit amount. Then, the change deposit amount of ¥ 3 in the change amount buffer 34 is added to the additional deposit amount of ¥ 3 to calculate the re-change amount of ¥ 100, and as shown in FIG. 7D, the front display 9a and the customer display The additional deposit amount of 3 yen and the re-change amount of 100 yen are displayed on the container 9b. At this time, the content of the change amount buffer 34 is updated to the re-change amount of 100 yen.

Here, when the automatic change machine 16 is not operating, the drawer 10 is opened, so that the cashier arranges the re-change amount of 100 yen from the drawer 19 and hands it to the customer together with the receipt. On the other hand, when the automatic change dispenser 16 is operating, the re-change amount of 100 yen is automatically paid out from the automatic change dispenser 16.
0 yen will be exchanged for the change amount of 97 yen that was given to the customer first, and the collected 97 yen will be returned to the automatic change machine 16 or the drawer 19.

As described above, according to the present embodiment, when the customer presents the fractional amount of money after the custody operation, the fishing recalculation key 77 provided on the keyboard 7 of the POS terminal is operated, and By inputting the additional deposit amount that has been additionally input, a re-change amount including the additional deposit amount is automatically calculated, and the re-change amount is displayed on the front display 9a and the customer-side display 9b. There is no need for the cashier to calculate the re-change amount by mental calculation or the like. Therefore, it is possible to improve the efficiency of the money transfer work, and it is possible to prevent mistaken payment of change.

Further, the front display 9a and the customer display 9b
Since the amount of change displayed on the item and the amount of change actually delivered to the customer always match, it can be confirmed whether the amount of change delivered to the customer is correct or not.

Further, when the automatic change dispenser is operating, the re-change amount is automatically paid out, so that there is no need for the cashier to prepare the re-change amount from the drawer 19. It is possible to improve the efficiency of and improve the payment error.

In the above embodiment, the change buffer 34 is used.
Since the contents of the above are cleared at the time of the next customer's first product registration, the fishing recalculation function is possible only after the custody operation is performed until the product registration of the next customer is started. By clearing the contents of the change buffer 34 according to the custody operation of the next customer, and by configuring the program so that the recalculation key processing can be interrupted during product registration, the custody of the next customer It is also possible to enable recalculation of the last customer's fishing before the operation. With this configuration, customer serviceability can be further improved.

Further, when the automatic change dispenser 16 is operating, if the re-change amount is paid out after confirming that the fractional amount and the change amount initially paid out have been deposited, it becomes more precise. You can manage cash.

In addition to the above, the present invention can be applied to a single electronic cash register and various modifications can be made without departing from the scope of the present invention.

[0055]

As described above in detail, according to the present invention, 1
Even after the operation of closing a transaction, the change of the transaction can be recalculated by a simple key operation, and the recalculated change amount can be displayed and output, improving the efficiency of money transfer work,
It is possible to provide a product sales registration data processing device capable of preventing change payment errors.

Further, it is possible to provide a merchandise sales registration data processing device which can automatically pay out the recalculated change amount from the automatic change machine and can improve the efficiency of the money transfer operation and prevent change payment errors. .

[Brief description of drawings]

FIG. 1 is a block diagram of a main part of a POS terminal according to an embodiment of the present invention.

FIG. 2 is a plan view showing a main part of the keyboard according to the embodiment.

FIG. 3 is a view showing a main memory area formed in the RAM of the same embodiment.

FIG. 4 is a flowchart showing a merchandise item registration process executed by the CPU of the embodiment.

FIG. 5 is a flowchart showing a current total key process executed by the CPU of the embodiment.

FIG. 6 is a flowchart showing fishing recalculation key processing executed by the CPU of the embodiment.

FIG. 7 is a view showing a data display example used for explaining the operation of the embodiment.

[Explanation of symbols]

 1 ... CPU 7 ... Keyboard 9a ... Front display 9b ... Customer display 11 ... Printer 13 ... Scanner 16 ... Automatic change machine 19 ... Drawer 33 ... Transaction total machine 34 ... Change amount buffer 76 ... Cash balance key 77 ... Calculation key

Claims (2)

[Claims] 1. A transaction total storage unit for storing the total price of all the products registered for sale in one transaction by the product registration unit, and an input unit for the deposit amount, after the product registration by the product registration unit. , When the deposit amount is input by the input means, the change amount calculating means calculates the remaining amount obtained by subtracting the total amount stored in the transaction total storage unit from the deposit amount, and displays and outputs the change amount on the display unit. In the registered data processing device, a change amount buffer for temporarily storing the change amount calculated by the change calculation means, a recalculation key for instructing recalculation of the change amount, and after the change calculation by the change calculation means, the change. When the recalculation is instructed by the recalculation key and the deposit amount is additionally input by the input means, the additionally input deposit amount and the change amount buffer are stored in the change amount buffer. A product comprising re-change amount calculation means for calculating a re-change amount from the change amount, and re-change amount display control means for displaying the re-change amount calculated by the re-change amount amount on the display unit. Sales registration data processing device. 2. A product total registration unit for storing the total price of all the products registered for sale in one transaction by the product registration unit, and a deposit amount input unit, after the product registration by the product registration unit. , When a deposit amount is input by the input means, the change amount calculating means calculates a balance amount obtained by subtracting the total amount stored in the transaction total storage unit from the deposit amount as a change amount, and sells the product from an automatic change machine. In the registration data processing device, a change amount buffer for temporarily storing the change amount calculated by the change calculation means, a recalculation key for instructing recalculation of the change amount, and a change calculation by the change calculation means, and then the change. When the recalculation is instructed by the recalculation key and the deposit amount is additionally input by the input means, the additionally input deposit amount and the change amount buffer are stored in the change amount buffer. A re-change amount calculating means for calculating a re-change amount from the change amount, and a re-change amount controlling means for instructing the automatic change machine to pay out the re-change amount calculated by the re-change amount calculating means. Product sales registration data processing device.