JP2966237B2 - Product sales data processing device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a POS terminal in which business program data for executing a registration process and a settlement process is rewritably stored in a business program memory, and the business program data for appropriately rewriting the POS terminal can be changed. And the like.

[0002]

2. Description of the Related Art In general, a merchandise sales data processing apparatus, for example, a POS terminal is provided with a scanner for optically reading a bar code. It is written as Then, in normal sales registration, when the cashier inputs and operates the single item code of the item purchased by the customer using the scanner, the item sales data is created based on this single item code, and printed out on the receipt by the printer, and , The corresponding adder in the registration memory is added and the registration process is performed. Thus, after all the products purchased by the customer are registered, when the cashier operates the subtotal key provided on the keyboard, the total purchase price is displayed on the display. Further, the customer's payment amount corresponding to the total amount is also registered and the transaction is completed. Next, when the cashier starts the settlement process after closing the store, the registration data added to each totalizer in the registration memory is printed out on a receipt or the like by a printer, and further connected to a higher-level computer via a communication line. If so, the registration data is also transmitted to a host computer, and thereafter, the contents of each totalizer in the registration memory are cleared.

In recent years, a commodity sales data processing apparatus has been constantly storing a program for executing such registration processing and settlement processing by a battery (random, random,
Access, memory) are frequently used. Each time the changed program is received from a host computer using a communication line or the like, the changed program is stored in the program memory of the RAM, and the program rewriting process is executed. This makes it possible to flexibly and quickly respond to various data processing requests of the user.

[0004]

However, conventionally, each time a changed program is transmitted from an upper-level computer, the merchandise sales data processing device performs such a program rewriting process. When the program memory of the RAM is updated in a state where the device is not cleared, the contents of the registration memory and the new program may not be consistent. In such a case, not only the processing result becomes incorrect, but also the device hangs up. As a result, all the registered data in the registration memory must be cleared by the maintenance staff and restarted. Was done. Therefore, the present invention has been made to solve such a problem, and prevents a malfunction due to inconsistency between a data part and a program part accompanying a program rewriting process, thereby improving reliability. It is an object of the present invention to provide a merchandise sales data processing device capable of performing the above.

[0005]

According to the present invention, there is provided a registration memory for registering sales data created on the basis of input data relating to product sales inputted from an input means, and a registration memory registered in the registration memory. An output unit for outputting data; a registration process for creating sales data based on the input data input from the input unit and registering the sales data in the registration memory; and outputting the registration data of the registration memory from the output unit. And a rewritable business program memory for storing business program data for executing a settlement process for clearing the registration data of the registration memory, and the rewritable business program memory for inputting the business program data for rewriting. In a merchandise sales data processing apparatus that performs business program rewriting processing for storing business program data in the business program memory And settled-determining means for registering data of the registration memory, it is determined whether or not being cleared,
If the settlement completion determining means determines the clear state of the registration memory, the rewriting business program data is stored in the business program memory, and if the non-clear state of the registration memory is determined, the business Program Day
A program rewriting control means for executing the settlement process by a data processor and storing rewriting business program data in the business program memory after the completion of the settlement process. .

[0006]

According to the present invention having such a configuration, when the program rewriting process is started, it is determined whether or not the registration data in the registration memory is cleared. As a result, the registration of the registration memory is performed. If the data has not been cleared,
The settlement process is performed first. That is, outputs the registration data of the registration memory, after clearing the registration data, the program rewriting process is performed, the integrity of the registration data and the work program is maintained.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A case where 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 configuration of a POS terminal 1 according to one embodiment of the present invention. A POS terminal 1 as a merchandise sales data processing device is connected online with a host computer 3 via a communication line 2. Also, POS terminal 1
A CPU (Central Processing Unit) 11 as a control unit main body, and a ROM (Read Only Memory) 12 and a RAM as a main storage unit controlled by the CPU 11
(Random access memory) 13 is provided. Here, the RAM 13 is supplied with backup power from the battery 13a, and retains data stored in the RAM 13 even when the main power of the POS terminal is turned off. Further, the POS terminal 1
A clock circuit 14 for counting the date and time, a communication interface 15 for controlling data communication with the host computer 3 via the communication line 2, and a keyboard 16 as input means are controlled to correspond to input keys. A keyboard controller 17 for taking in key signals, a display controller 19 for controlling a display 18 to display the product name and price of a product for sale, and a printer 2 as output means
The printer controller 21 controls the printer 0 to print on receipts and journals, the scanner 22 as input means controls the scanner controller 23 for optically reading barcodes, and inputs signals from the mode switch 24 to store cash and the like. And a drawer opening device 25 for opening a drawer (not shown) for performing the operation, each of which has a signal input / output unit such as an I / O port 26 for outputting a drive signal. The mode switch 24 is provided so that the cashier switches to a mode such as “registration”, “payment”, or “setting” in accordance with a suitable key, and executes a process corresponding to the mode. CPU 11 and ROM 1
2, the RAM 13, the clock circuit 14, and each signal input / output unit are mutually connected via bus lines 27 such as an address bus, a data bus, and a control bus.

FIG. 2 shows a key arrangement on the keyboard 16. In the figure, a numeric keypad K1 for inputting numerical data is
PLU key K2 for inputting a single item code attached to each product, amount key K for inputting amount data, etc.
3, X key K4 to instruct the input of the number data, subtotal key K 5 for instructing the output of the total amount, to indicate the tightening of registration and deposit in order to declare the payment in cash at the same time / current total key K6, error A clear key K7 and the like used for releasing the state are arranged.

FIG. 3 is a diagram showing a main memory area formed in the RAM 13. In the figure, a single item table 31 for storing a product name, a unit price and the like corresponding to a single item code of each product is formed, and a customer total for totaling the sales amount to one customer as a registration memory. Vessel 3
2. A single item totalizer 33 for summing up the number and sales amount, etc. corresponding to the single item code, a tax totalizer 34 for totaling the tax amount for each transaction, and cash for totaling the amount paid in cash A sales totalizer 35 is formed, and
A reception buffer 36 for storing data received from the host computer 3 is formed. Business program data for the CPU 11 to execute the processing of each business selected by the mode switch 24 is stored in the business program memory 30. The business program data and the product name and unit price of the single item table 31 are, for example, the data received in the reception buffer 36 by down line loading or the like from the host computer 3 before the store is opened. Or by writing them in the single item table 31 respectively. The program for executing this rewriting is written in the ROM 12. The product name and unit price of the single item table 31 can be obtained by setting the mode switch 6 to the “setting” mode and setting the keyboard 10
It is also possible to perform a setting operation using the above various keys and store it.

In the state where the "registration" mode is selected by the mode switch 24, the CPU 11 executes the registration processing by the business program stored in the business program memory 30. Therefore, when a single item code for individually identifying a product is input, the process shown in FIG. 4 is executed. In order to input the single item code, a case where the single item code previously converted into a bar code is optically read by the scanner 22 and the number key K of the keyboard 16 is input.
In some cases, a single item code is set to 1 and then the PLU key K2 is input.

When a single-item code is input by any of the above-mentioned operations, first, in ST1, a product name in the single-item table 31 corresponding to the input single-item code is extracted, and the extracted product name is output to the printer 20 to be output to a receipt or the like. Is printed on the display 18 as well. In ST2, if the number has been previously input by a combination of the numeric key K1 and the X key K4, the number is output to the printer 20, printed on a receipt or the like, and displayed on the display 18.
If the number is not entered, the number is considered to be 1, but in this case, it is not output to the printer 20 or the display 18. In ST3, the number key K1 and the amount key K3
If the unit price is entered by a combination of the unit prices, and if such a unit price is not entered, based on the entered single item code, the single item table 3 is used.
The unit price extracted from 1 is multiplied by the quantity obtained in ST2 to obtain a sales price, which is output to the printer 20, printed on a receipt or the like, and displayed on the display 18.
If the number is two or more, this unit price is also printed at the same time. In ST4, a memory process is performed based on the sales data obtained by the above-described registration process. That is, the sales amount is added to the customer total unit 33, and the number and the sales amount are respectively added to the number and sales amount of the single unit total unit 33 corresponding to the input single item code. This ends the sales processing.

If the subtotal key K5 is input from the keyboard 16 while the "registration" mode is selected, the processing shown in FIG. 5 is executed. That is, the contents of the customer totalizer 33 are multiplied by a fixed tax rate to obtain a tax amount, and the total amount is further added to the contents of the customer totalizer 33 to display the total amount on the display 18. This completes the subtotal processing. As a result of the subtotal processing, the cashier bills the customer for payment corresponding to the total amount displayed on the display 18. As a result, if the customer pays for cash, the cashier will be in the "register" mode,
A deposit / current total key K6 on the keyboard 16 is input. Then, the apparatus executes the deposit / current total processing shown in FIG. That is, if a numerical value is input by the numerical key K1 immediately before this, the change is calculated as the cash deposit amount, and if the numerical value is not input, the total amount is paid in cash. It is assumed that the total amount, tax amount, total amount, deposit amount, change, and the like are output to the printer 20 and printed on a receipt or the like. Furthermore, the drawer opening device 25
To output the drive signal to open the drawer. The tax amount and the total amount are also added to the tax amount total unit 34 and the cash sales total unit 35, and thereafter, the customer total unit 32 is returned to zero.
With the above, the deposit / current total processing is terminated, and the cashier terminates one transaction with the customer based on these results.

Further, the cashier switches the mode SW 24 to the "pay-out" position by using a mode key or the like provided in the apparatus.
When the upper key is operated, the CPU 11 executes the settlement processing shown in FIG. In FIG.
3. The data added to the tax totalizer 34 and the cash totalizer 35 is extracted, output to the printer 20, printed on a receipt or the like, and transmitted to the host computer via the communication line 2. Thereafter, the single item totalizer 33, the tax amount totalizer 34, and the cash sales totalizer 35 are provided.
Clear Thus, the settlement process is completed. In addition to the case where the execution of the settlement process is instructed by key operation in the “payment” mode as described above, the execution of the settlement process may be instructed from among the reception processes as described later. After the settlement process is completed, the process returns to the process in which each execution command was issued. Regardless of the mode position of the mode switch 24, the CPU 11 controls the host computer 3 via the communication interface 15.
When the data transmitted from is received by the reception buffer 36, the reception processing shown in FIG. 8 is performed. First, ST
At 11, it is determined whether or not the received data is rewriting program data. As a result, in the case other than the program data, the description is omitted as other processing. If it is program data, the following business program rewriting process is performed. In ST12, which is the settlement determining means, it is determined whether or not the single item totalizer 33, the tax totalizer 34, and the cash sales totaler 35, which are the registration memories, are cleared. Next, the program rewriting control means is executed according to the result of this determination. If the registration memory has not been cleared, prior to the program rewriting process in ST14, ST
At 13, execution of the above-described settlement process of FIG. 7 is instructed. That is, the registration data registered in the single item totalizer 33, the tax totalizer 34, the cash sales totaler 35, and the like, which are the registration memories, are output to the printer 20 and printed on a receipt or the like, and are also transmitted via the communication line 2. Host computer 3
Then, the single item totalizer 33, the tax totalizer 34, and the cash sales totalizer 35 are cleared. In ST14, a program rewriting process for writing the rewriting business program data stored in the reception buffer 36 to the business program memory 30 is performed based on the business program rewriting process program written in the ROM 12. When the rewriting of the business program is completed, the CPU 11 can execute the process for each mode of the mode switch 24 based on the newly written program. Thus, the receiving process ends.

In the POS terminal 1 of the present embodiment having the above-described configuration, the business program memory 30 and the single item table 31 in the RAM 13 store the down-line data from the host computer 3 when the system starts up.
The business program data, product name, and unit price received by loading are written. In addition, the data of the single unit total unit 33, the tax amount total unit 34, and the cash sales total unit 35 are separately cleared by a maintenance person. The stored contents of the RAM 13 are backed up even when the main power is turned off by the battery 13a. Therefore, when a single item code or the like is input from the input means, the single item totalizer 33, the tax totalizer 34, and the cash sales totaler 35 are added based on the input single item code and the single item table 31. When the settlement process is started, the contents of these totalizers, that is, registration data, are printed on a receipt by the printer 20 and transmitted to the host computer 3 via the communication interface 15. Cleared. When the program data is received by the down line loading from the host computer 3, it is determined whether or not the registration memory is cleared. If the registration memory is cleared, the program memory 30 is determined based on the received data. Perform rewrite processing. However, if data remains in the registration memory due to the registration processing, the payment processing is automatically started, and the execution control is performed so that the program data is rewritten after the payment processing is completed. Therefore, the registered data and the business program do not become inconsistent and do not malfunction, and the reliability is improved.

In the above embodiment, the business program data is rewritten in the business program memory 30 by down line loading from the host computer 3. However, the data stored in a storage medium such as a floppy disk is stored in the POS. If the terminal can read, the rewriting process may be performed. Also,
In the above embodiment, it was directly determined whether or not the contents of the registration memory were cleared.However, the state of the registration memory was determined by a flag that is set when the registration processing was performed and reset when the settlement processing was performed. Is also good. Further, in the above-described embodiment, an example in which all the received data is stored in the reception buffer 36 is shown. Even if the state of the registration memory is checked and it is not cleared, the effect of the present invention is sufficient even if the host computer 3 is made to wait for the transmission of the remaining program data and resumes the transmission after the settlement process is completed. Can be played. In addition, it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0016]

As described above, according to the present invention,
If to determine the status of the registration memory is unsettled state, during the period from the execution forced settlement process, because it was Unishi by executing a program rewrite process, the service program and the registration data A product sales data processing apparatus can be provided which can improve the reliability without causing any inconsistency, preventing malfunctions and the like caused by the inconsistency.

[Brief description of the drawings]

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

FIG. 2 is a layout diagram of a keyboard of the POS terminal according to the embodiment.

FIG. 3 is an exemplary view showing a main memory configuration of a RAM of the POS terminal of the embodiment.

FIG. 4 is an exemplary flowchart showing single item data processing of the CPU of the POS terminal according to the embodiment.

FIG. 5 is a flowchart showing a subtotal processing of the CPU of the POS terminal of the embodiment.

FIG. 6 is a flowchart showing a deposit / current total processing of the CPU of the POS terminal of the embodiment.

FIG. 7 is an exemplary flowchart illustrating a settlement process of the CPU of the POS terminal according to the embodiment.

FIG. 8 is a flowchart showing a reception process of the CPU of the POS terminal of the embodiment.

[Explanation of symbols]

 Reference Signs List 16 keyboard (input means) 20 printer (output means) 22 scanner (input means) 30 business program memory 33 single item totalizer (registering memory) 34 tax totalizer (registering memory) 35 cash sales totalizer (registering memory) 11 CPU 12 ROM 13 RAM ST12 Settlement completed determination means ST13 Program rewriting control means

Claims (1)

(57) [Claims] 1. A registration memory for registering sales data created based on input data on product sales inputted from an input means, an output means for outputting registration data registered in the registration memory, A registration process for creating sales data based on the input data input from the input means and registering the sales data in the registration memory; outputting the registration data in the registration memory from the output means; and registering the registration data in the registration memory. A rewritable business program memory for storing business program data for executing a settlement process for clearing the business program memory, and rewriting the business program data for rewriting in response to the input of the business program data for rewriting. an article sales data processing apparatus for business program rewriting process is stored in the registration data of the registration memory Settlement determination means for determining whether or not the data has been cleared; and when the settlement determination means determines the clear state of the registration memory, the rewriting business program data is stored in the business program memory. If it is determined that the registration memory has not been cleared, the business program data
A merchandise sales data processing apparatus comprising: a program rewriting control unit for executing the settlement process by a data processor and storing rewriting business program data in the business program memory after the settlement process is completed.