JPH0668794B2 - Electronic cash register - Google Patents

Description

Description: FIELD OF THE INVENTION This invention relates to electronic cash registers, and more particularly to PL
The present invention relates to an electronic cash register with a U function.

BACKGROUND OF THE INVENTION Electronic cash registers (hereinafter referred to as ECRs) include P
Some have an LU function. Here, the PLU function is to store in advance a product-related code and unit product price data (unit product price) of the product corresponding to the code in a memory or the like,
This is a function that the product unit price corresponding to the code is read out from the memory and registered by simply inputting the code when the product is sold.

By the way, in the ECR with a PLU function as described above, the commodity related code, for example, the commodity price data of the commodity corresponding to the commodity code specifying the commodity, that is, the commodity unit price is not necessarily fixed. The product unit price corresponding to the product code often changes with time, for example. Let me give you a concrete example. For example, in a supermarket, in order to sort out unsold products just before closing a store, a product A having a unit price of 100 yen may be discounted to 80 yen and sold. At this time, when the unit price corresponding to the code of the product A is registered by the PLU function, it will be automatically changed from 100 yen to 80 yen and registered when the price change time comes. That is, the price change time is now 6 o'clock.
Then, suppose that the operator registered a series of products bought by a certain customer before and after this time. At this time, for example, at 5:59, product A is registered for 100 yen, at 6 o'clock the product unit price is automatically changed, and at 6: 1, it is registered as 80 yen even though it is the same product A. Something like that will happen.

In such a case, that is, in the case where the same product is registered in the same transaction but the unit price is different, it causes unnecessary troubles with the customer.

OBJECTS OF THE INVENTION Therefore, it is an object of the invention to provide an ECR in which within the same transaction, the same merchandise will continue to be registered at the originally entered unit price.

Structure and Effect of the Invention According to the present invention, in response to the input of a code related to a predetermined product, an electronic cash register which reads and registers single item price data of a product corresponding to the input code from a predetermined file. It is a register, assuming that the single item price data in the file can be changed in a timely manner, the code related to the product and the product corresponding to the code to be input in the same transaction with one customer. Means for storing the single item price data, means for determining whether or not the input code is already stored in the storage means in response to the input of the code relating to the product, and the determination means. When it is output that the input code is already stored, the single item price data of the product corresponding to the input code is output from the storage means. The input code and the single item price data of the product corresponding to the input code are registered without being stored in the storage means, while the discrimination means outputs that the input code is not yet stored. In this case, it includes means for reading the single item price data of the product corresponding to the input code from the file, storing the input code and the single item price data of the product corresponding to the input code in the storage unit, and registering the data.

According to the present invention, when the single item price data is changed at a certain time, a certain customer purchases at least two identical items.
The same single item price data is registered even if the operator inputs a code relating to the product before and after the purchase.

That is, if the operator inputs a code relating to a product bought by a customer before the time when the single product price data is changed, the storage unit stores the code and the single product price data of the product corresponding to the code. To be done. Next, the discriminating means discriminates whether or not the input code is already stored in the storage means. However, since this code is the first input code, it is not stored yet. Therefore, the unit price data of the product corresponding to the input code is read from the predetermined file and registered by the registration unit, and the input code and the unit price data of the corresponding product are stored in the storage unit. Memorized by.

Next, after the time when the single item price data is changed, when the operator again inputs the same code as the above code, the determining means determines whether or not the input code is already stored in the storage means. However, this code is already stored because it was entered previously. Therefore, the unit price data of the product corresponding to this code is read from the storage unit and registered by the registration unit.

In other words, the single item price data is registered even though the single item price data is changed while the codes relating to these items are input.

Therefore, the present invention can provide an ECR in which the unit price of the same product is registered with the same amount of money within one transaction, and unnecessary troubles between the operator and the customer are prevented.

The above-mentioned features of the present invention will become more apparent from the following description of embodiments with reference to the drawings.

Description of Embodiments FIG. 1 is a schematic block diagram showing the structure of an embodiment of the present invention. In this embodiment, a CPU 2, which performs arithmetic control and the like, is mainly composed of a keyboard 4, a display 5, a printer 6, a cash drawer 7, and the like. The keyboard 4 gives various data and commands to the CPU 2. The CPU 2 is connected to the ROM 1 storing the operation program and operates according to the program. Further, a RAM 3 capable of writing / reading data is connected to the CPU 2. The data processed by the CPU 2 is displayed on the display 5 and printed by the printer 6. Further, the CPU 2 controls the opening of the cash drawer 7.

FIG. 2 is an external configuration diagram showing an example of the keyboard 4 in FIG. The keyboard 4 has a mode switch 41,
Includes numeric keypad 42 including clear key (CL), department key 43 and function key 44.

The function key 44 is a key for causing the CPU 2 to perform various calculations and controls. The function key 44 includes at least the PLU key 441. This key 44
1 is a key used when registering a product by the PLU function.

FIG. 3 is a diagram showing an example of a key sequence when performing the PLU registration. FIG. 4 is a print example of data registered based on the key sequence of FIG.

FIG. 5 is a diagram showing a storage area of the RAM 3 (FIG. 1).
In the RAM3, a numerical flag (FKN) 31 indicating that numerical data has been input, a numerical buffer (NBUF) 32 for storing the input numerical data, and an area (IM) 33 for storing the total amount of transactions. , A unit price storage area (PRICE) 34 that stores a preset amount of money corresponding to the PLU input code, and a PLU unit price table that stores the product code (PLU code) registered in one transaction and the set product unit price. Including 35.

FIG. 6 is a flow chart showing the operation of the embodiment of the present invention. The operation of this embodiment will be described below with reference to FIGS.

First, the keyboard 4 (FIG. 2) is operated to determine whether or not there is a key input. If the operation key is a numeric keypad, the key input data that has been operated and input is stored in the numeral buffer (NBUF) 32, and the numeral flag (FK
N) 31 is set (steps S1 to S4). By repeating the above steps, for example, code "123456"
(See FIG. 3) is input.

Then, when the PLU key 441 (FIG. 2) is operated (see FIG. 3), it is determined whether or not the numeral flag is set (steps S5 and S6). If the PLU key is pressed even though the numeric flag 31 is not set, error processing will be performed. If the numeric flag 31 is set, PL
The unit price and other information corresponding to the PLU code (product code) stored in the number buffer (NBUF) 32, for example, “123456”, and other information are given from the U file.

The PLU file is, for example, the R connected to the CPU2 (Fig. 1).
It is a data file stored in AM3. That is, PLU
The file stores the corresponding product unit price for each product code. Then, the product unit price corresponding to each product code changes, for example, when a certain period of time has passed. Therefore, the unit price of the product read from the PLU file may be different if the reading time is different.

Next, in step S8, among the information read from the PLU file, the product unit price information is the product unit price area (PRIC
E) Stored in 34. And the number buffer (NBUF) 3
Search the PLU unit price table 35 with the product code stored in 2. That is, it is determined whether or not the code stored in the number buffer (NBUF) 32 is already stored in the PLU unit price table 35 (steps S9 and S10). When the product code of the number buffer (NBUF) 32, for example, the same code as "123456" is in the PLU code column of the PLU unit price table 35, the PLU corresponding to the product code is set.
Take out the product unit price stored in the unit price column of the unit price table,
Rewrite the PRICE area 34 with the unit price (step S1
1).

Conversely, if the code stored in the numeric buffer (NBUF) 32 is not in the PLU code column of the PLU unit price table, the product code stored in the numeric buffer (NBUF) and the corresponding product code The unit price read from the PLU file and stored in the PLICE area 34 is stored in the empty area of the PLU unit price table 35 (step S12).

Then, the ECR display 5 (FIG. 1) displays the amount of the product to be registered and the product code is input, and the printer 6 prints the amount (steps S13, S14).

Next, in the total amount memory area (IM) 33 of one transaction, PRICE3
The amount of money of 4 is added and stored again in the total amount area (IM) 33 of one transaction (step S15). Then, the register flag (FKN) 31 is cleared and the register buffer (NBUF) 32
Is cleared (steps S16, S17).

When the product registration is completed, the cash key 442 (Fig. 2) is operated. In response, the total of the registered commodity prices is displayed on the display 5 (FIG. 1) (step S19), and the total price is printed by the printer 6 (step S20). Then, the total amount area (IM) 33 of one transaction, the register number flag (F
KN) 31, the number buffer (NBUF) 32 are cleared (step S21), and the PLU unit price table 35 is cleared (step S21).
S22), the operation of this embodiment ends.

It has been described that the PLU file is provided in the ROM 3 (FIG. 1) of the ECR, for example, in step S7 in the above operation. However, it is not limited to this. For example, the PLU file can be realized by storing the product code and the corresponding product unit price in the storage means in the host computer. Then, every time the PLU code is input to the ECR, the product unit price corresponding to the input code may be inquired to the host computer, and the product price corresponding to the input PLU code may be transmitted from the host computer. By doing so, a plurality of ECRs according to the present invention are used. For example, in a large-scale supermarket, there is an advantage that when a product price is changed, the management can be centrally performed by the host computer.

Data has been obtained that, for example, the price of a product in a supermarket is changed about 100 times a day. It is considered that such a change in the product price is made in order to sort out the unsold products as described above, to sell at a low price to attract customers, and to start and end the time zone service. Therefore, according to the ECR of the present invention, it is possible to appropriately deal with the frequent change in the unit price of the commodity, and it is possible to prevent the trouble about the price that may occur with the customer or the like.

[Brief description of drawings]

FIG. 1 is a schematic block diagram of an embodiment of the present invention. FIG. 2 is an external view of an embodiment of the keyboard shown in FIG. FIG. 3 is a diagram showing a key sequence for PLU registration. FIG. 4 is a diagram showing an example of printing PLU registration. FIG. 5 is a diagram showing a storage area of the RAM 3 (FIG. 1). FIG. 6 is a flow chart showing the operation of the embodiment of the present invention. In the figure, 2 is a CPU, 3 is a RAM, 4 is a keyboard, 42 is a numeric keypad, and 441 is a PLU key.

Claims (1)

[Claims] 1. When a code relating to a predetermined product is input, single item price data of the product corresponding to the input code is read out from a predetermined file and registered, and the data in the file is stored. The single item price data can be changed at any time.In the electronic cash register, the code related to the product and the single item price data of the product corresponding to the code that should be entered in the same transaction with one customer. Means for storing, a means for determining whether or not the input code is already stored in the storage means in response to the input of the code related to the product, and the determining means for the input code already being stored. When the stored information is output, the single item price data of the product corresponding to the input code is read from the storage means, and the input The code and the single item price data of the product corresponding to the input code are registered without being stored in the storage means, while if the determination means outputs that the input code is not yet stored, the input An electronic cash register including means for reading out the single item price data of the product corresponding to the code from the file, storing the input code and the single item price data of the product corresponding to the input code in the storage unit, and registering the data. .