JPH05266323A - Self-scanning system - Google Patents

Abstract

PURPOSE:To accurately recognize product identity without an error. CONSTITUTION:An operation part 10, a sending-in/measuring part 20, a sending- out part 40 and a stock/packaging part 50 are string-provided in a product flowing direction and weight comparison judgement means 31(A) and 31(B) are provided for a self-scanning system device. A setting storage means, retrieval/read means 31(A), 31(B) and calculation means 31(A) and 31(B) are provided. The weight comparison judgement means 31(A) and 31(B) judge product identity on the product whose inherent error constant is set and stored by using minus- side compared product weight and calculated plus-side compared product weight.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-scanning system device that allows a customer to scan the product data of a purchased product.

[0002]

2. Description of the Related Art For example, in a checkout device provided in a supermarket, a customer himself / herself uses a self-scanning system device to scan the product data of a purchased product, and a checkout operation including money transfer is performed electronically. There is a cash register that is configured to be performed by a clerk (cashier).

For example, the checkout device disclosed in Japanese Patent Laid-Open No. 61-46591 is a dual-purpose cashier system comprising a plurality of self-scanning system devices and a common electronic cash register. On the other hand, 1
There is also a dedicated system including one or two self-scanning system devices and one or two dedicated electronic cash registers.

FIG. 8 shows a general structure of the latter checkout device. In the figure, reference numeral 1 is a self-scanning system device, which is an operation unit 10 for a customer to perform a scanning operation, a loading / weighing unit 20, an unloading unit 40, and a stock / bagging unit 50.
And are arranged in rows in the product flow direction. The operation unit 10 includes
A product reading means (optical scanner or the like) 11 for reading a bar code (for example, a JAN code) attached to a product and an input / display unit 12 including various switches such as a start button and a display are provided. The carry-in / weighing unit 20 includes a carry-in conveyor 21 for carrying in self-scanned products in the direction of the arrow, and a weighing machine 22 for weighing the weight of the products placed on the carry-in conveyor 21. The carry-out section 40 includes a carry-out conveyor 41 and an inclined shooter 42, and stores the goods after the settlement in a stock place 51.
It is also carried out to the stock / bagging unit 50 that has the.

Here, the electronic cash register 31 is
It forms the settlement unit 30, and is provided between the carry-in / measurement unit 20 and the carry-out unit 40.

In such a checkout device, when the customer himself scans his or her purchased merchandise on the operation unit 10, the merchandise data is stored in the electronic cash register 31.
While being registered in the sales registration file of, the products are conveyed to the stock / bagging unit 50 through the carry-in conveyor 21 and the carry-out conveyor 41.

Therefore, the cashier is the settlement unit 30.
In the above, it is only necessary to perform the settlement work for the customer after scanning. After that, the customer will be bagged at the stock location 51. Therefore, the cashier can concentrate on the settlement work only, which improves the work efficiency. On the other hand, customers can shop quickly without waiting for a long line. According to the checkout device disclosed in the above publication, work efficiency can be further enhanced by the dual role of cashier.

However, regardless of the dual-use system or the exclusive-use system, in such a self-scanning system device 1, the product scanned by the customer and the carry-in conveyor 21 are used.
There may be a case where the product actually placed on the customer does not match. If this is left unattended, the settlement work becomes troublesome and the improvement of work efficiency and customer service due to the introduction of the self-scanning system device 1 cannot be achieved. On the other hand, when a customer is willing to do so, it is difficult to overlook this dishonesty.

Thus, in such a check-out device, a weight comparison and determination means is provided to read the weight (Wd) of the product scanned by the customer from the product data file in the electronic cash register 31 and to use a common error constant for smooth operation. In consideration of KA, the weight (Wm) of the product placed on the carry-in conveyor 21 is automatically measured by the measuring device 22,
It is configured to automatically determine whether or not the weights of the two match and to confirm the identity of the products.

That is, if the control unit such as the electronic cash register 31 has a scan input (ST30 in FIG. 9),
It is confirmed that the input data is a regular product registered in the product data file (YES in ST31), and the weight is read and stored as the product weight Wd (ST3).
2). In addition, the common error constant KA is read, and the negative side comparative product weight (Wd-KA) and the positive side comparative product weight (W
d + KA) is calculated (ST33). After that, a message, for example, "put the scanned product on the conveyor" is displayed (ST34). According to this, when the customer places the product on the carry-in conveyor 21, the weighing machine 2
The weight change, that is, the product placement is known from the output signal of 2, and the weighing device 22 is operated to automatically weigh the product Wm (ST35).

Here, the weight comparison and determination means is the weight W.
Using m and the comparative product weight (Wd-KA), (Wd + KA), the identity of the product is confirmed (ST36 in FIG. 10).
When it is determined that the products are the same (YES in ST36), the carry-in conveyor 21 is driven to be conveyed (ST37), and thereafter the sales are registered. The carry-in conveyor 21
In some cases, the system is preliminarily driven. Then, a message notifying the customer of the next procedure is displayed and output on the display unit (12) (ST38).

[0012] On the other hand, if the result of the determination in ST36 is NO or the product is not a legitimate product (NO in ST31), the customer must "place the scanned product" as suggested by the applicant earlier. A countermeasure message such as "Please rescan" is displayed (ST39). Also, the alarm is issued only once if necessary. In this case, the transport conveyor 21 remains stopped. Therefore, it is possible to improve business efficiency and service while preventing intentional or negligent fraud.

[0013]

However, the following problems have been pointed out in the above-described conventional self-scanning system device 1 as the spread thereof spreads.

That is, the weight Wd of the product is accurately set and stored in relation to the price thereof, but for example, products such as meat sold out and sold by weight are placed on a polystyrene foam tray and further wrapped, so that the total weight of the product itself. It is heavier than the weight. That is, although the absolute weight of the packaging material such as the tray is relatively small, some products may occupy a large weight in relation to the product weight Wd.

Therefore, even if the product identity confirmation (ST36) is performed using the comparative product weights (Wd-KA) and (Wd + KA) obtained by adjusting the common error constant KA in consideration of the weighing error of the weighing device 22. However, there are many cases in which the weight of the packaging material affects and causes an error. For that reason, however, it is not allowed to increase the common error constant KA more than necessary to prevent an error from occurring. All of the above problems not only hinder smooth self-scanning and settlement operations, but also make customers unpleasant and reduce service.

An object of the present invention is to provide a self-scanning system capable of smoothly confirming the product identity regardless of the presence or absence of a packaging material and the ratio of the weight of the packaging material to the total weight including the product itself. ..

[0017]

A self-scanning system apparatus according to the present invention comprises an operation section including product reading means arranged in a row in the product flow direction, a carry-in conveyor, and a carry-in / measurement section having a measuring device. A carry-out section including a carry-out conveyor,
It consists of a stock / bagging section with a stock location, and the weight of the product that the customer self-scanned in the operation section by the weight comparison and judgment means added and subtracted a common error constant to the weight of the comparison product and the customer on the carry-in conveyor. In a self-scanning system device that has a product identity confirmation function that compares the weight of products placed and weighed with a weighing instrument to confirm product identity, sets and stores a specific error constant for a certain type of product A setting storage means, a search and read means for searching whether or not a unique error constant for a self-scanned product is set and stored, and a reading / reading device for reading the unique error constant, and a plus side of the comparison product weight for the product. Provided is a calculating means for adding the read unique error constant to calculate a new positive side comparative product weight, It is characterized in that the weight comparison and determination means is configured to determine the product identity by using the calculated new plus side comparison product weight for the product for which the unique error constant is set and stored. ..

[0018]

In the present invention having the above-mentioned structure, for example, for products such as meat to be cut and sold, the weight of the packaging material is set and stored in advance in the setting storage means as an inherent error constant. When the customer self-scans, the retrieval and reading means retrieves whether or not the peculiar error constant is set and stored for the product, and if there is, the peculiar error constant is read. Then, the calculating means adds the read specific error constant to the plus side of the comparative product weight of the product, and calculates a new plus side comparative product weight. Here, the weight comparison / determination means confirms the product identity by using the calculated new plus-side comparison product weight for the product for which the unique error constant is set and stored. Therefore, the identity of the product can be smoothly and accurately determined regardless of the weight of the packaging material.

[0019]

Embodiments of the present invention will be described below with reference to the drawings. As shown in FIG. 5, this self-scanning system device has two units (1A, 1B) arranged in parallel, and a common settlement unit 30 [two electronic cash registers 31 in the middle.
(A), 31 (B)] is provided as a so-called two-lane checkout device.

This self-scanning system device 1A
(1B) has the same basic configuration as that of the conventional example (FIG. 8), but the setting storage means (DA) and the retrieval reading means (31)
A, 31B) and calculation means (31A, 31B) are provided,
In addition, a new plus-side comparison product weight (Wd + KA + ka) calculated by replacing the plus-side comparison product weight (Wd + KA) with respect to the product for which the unique error constant ka is set and stored in the weight comparison / determination means (31A, 31B) Is used to determine the identity of the product.

In this embodiment, the weight information reading means (31A, 31B, 11) and the product weight selecting means (31)
A, 31B) and price information reading means (31A, 31B, 1)
1) and the product price selection means (31A, 31B) are provided,
The product weight (Wd) is formed so that the weight read from the label 102 attached to the product is preferentially selected over the weight read from the product data file. further,
The same applies to the product unit price.

The same or common parts as those of the conventional example (FIG. 8) are designated by the same reference numerals, and the description thereof will be simplified or omitted.

By the way, the weight comparison / determination means, the setting storage means, the retrieval / reading means, the calculation means, the weight information reading means, the price information reading means, the product weight selecting means in this embodiment,
The commodity price selection means and the like are constructed by combining the constituent elements of the electronic cash register 31 (A) [31 (B)] constituting the settlement section 30 and the functions thereof. Therefore, first, the electronic cash register 31 will be described.

In FIG. 1, the electronic cash register 3
Reference numeral 1 denotes a CPU 31A that manages calculations, judgments, commands, etc., a ROM 31B that stores various programs and fixed data, a RAM 31C that temporarily stores various data, a keyboard 32 (controller 32C), a printer 37 (controller 37).
C), drawer 34 (controller 34C), operator display 35 (controller 35C), customer display 3
6 (controller 36C), an interface 31D, etc., it is possible to perform data processing in a general setting mode, registration mode, inspection mode, and settlement mode, and is capable of data transmission with a host computer (not shown).

The RAM 31C has a work area WA and a sales registration area RM for temporarily storing data being processed.
There is a product data file area DA. In the product data file area DA, as shown in FIG. 2, in addition to the product code (for example, JAN code), the product name, the unit price, the weight Wd of the product is preset and stored. Further, as shown in FIG. 3, a common error constant KA corresponding to the measurement error is stored in a part thereof. The common error constant KA can be changed by operating the keyboard 32. Further, in the sales registration area RM, in addition to the product data self-scanned by the customer on the operation unit 10, the product data input by the cashier operating the scanner 33 (controller 33C) or the keyboard 32 shown in FIG. 1 is also stored. obtain.

On the other hand, the interface 31D is connected to the following devices constituting the self-scanning system device 1. That is, the commodity reading means 11 forming the operation unit 10, the four-stage display unit 14, and the start switch 1
5, an input / display unit 12 having a stop switch 16 and a buzzer 17 is connected. The start switch 15 is for declaring that the customer starts inputting, that is, scanning of product data for self-purchase using the product reading means 11, and the stop switch 16 is for declaring its end. Therefore, if the start switch 15 is turned on,
Product data (for example, JAN code) self-scanned from the barcode 101 attached to the product 100 in FIG. 4 is automatically input to the electronic cash register 31 through the interface 31D, and the scanned product data is the working area of the RAM 31C. Temporarily stored in WA.

Further, the weighing machine 22 arranged on the upstream side of the carry-in conveyor 21 shown in FIG.
The weight Wm is a means for automatically weighing the weight of the self-scanned product placed on it, and this weight Wm is temporarily stored in the working area WA of the RAM 31C. That is, as shown in FIG. 5, the weighing device 22 has a structure for automatically weighing the weight of the product placed on the carry-in conveyor 21 which is stopped. Therefore, it is much smaller and more accurate than the conventional example of continuous operation. Further, since it does not come into sliding contact with the carry-in conveyor 21 in operation, the structure is simple and the cost can be reduced. Further, since the weighing device 22 can be configured to be movable up and down, the weighing device 22 can be separated from the loading conveyor 21 after weighing, that is, while the loading conveyor 21 is operating.

The shelf 15 shown in FIG. 5 is used to temporarily store products or the like that have failed in self-scanning.

Further, the interface 31 shown in FIG.
The conveyor controller 29 connected to D is means for controlling the operation of the carry-in conveyor 21 and the carry-out conveyor 41. The carry-in conveyor 21 is started by the conveyor operation control means described later, and is stopped by the conveyor controller 29 when the detection sensor 23 (FIGS. 1 and 5) provided on the downstream side of the carry-in conveyor 21 detects a product. .. On the other hand, the carry-out conveyor 41 is transported after the start switch 15 is turned on. Further, as shown in FIG. 1, the conveyor controller 29 allows the carry-in conveyor 21 to be carried and operated by a foot switch 38 arranged in a range where the cashier can be operated, and can be emergency stopped by an emergency switch 39. ing.

The product reading means 11, the input / display unit 12, the weighing device 22, and the conveyor controller 29 are
Based on the programs shown in FIGS. 6 and 7 stored in the ROM 31B, the drive control is performed under the control of the CPU 31A in association with each other.

Now, the weight comparison / determination means uses the measured weight Wm.
And the positive side comparative product weight (Wd + KA) and the negative side comparative product weight (Wd-KA) are used to determine the product identity. That is, the CPU 31A and the ROM 31B are means for automatically determining whether or not the product self-scanned by the customer and the product placed on the carry-in conveyor 21 are the same.
And is executed in ST21 of FIG.

Further, the weight comparison and determination means (31A, 3A)
1B), for the product for which the peculiar error constant ka is set and stored (YES in ST20 of FIG. 7), the product identity is determined using the calculated new plus-side comparative product weight (Wd + KA + ka). Configured (ST2
2). However, the negative comparative product weight (Wd-KA) is the same as in ST21.

Here, the product weight Wd is basically inputted by the customer's self-scanning using the product reading means 11 and based on the scanning product data (D) temporarily stored in the RAM 31C (WA), as shown in FIG. The CPU 31A obtains the weight (Wd) of the product stored in the product data file (DA). In addition, comparative product weight (Wd + KA), (Wd-K
A) is calculated by the cooperation of the CPU 31A and the ROM 31B and is stored in the work area WA (ST1 in FIG. 6).
5).

Next, the weight information reading means obtains the weight information (252g ... Wd) from the label 102 attached to the product 100 shown in FIG. 4 when the customer self-scans using the product reading means 11. In this embodiment, the reading means is composed of the CPU 31A, the ROM 31B and the commodity reading means 11, and is executed in ST10 and ST11 of FIG. That is, when the customer self-scans, the merchandise reading means 11 causes the bar code 101 attached to the merchandise 100.
It is possible to read the product data (for example, JAN code) from the label and the weight information (252 g) from the label 102 at the same time.

The price information reading means also has a similar structure (C
The PU 31A, the ROM 31B, and the product reading unit 11) can read the price (1000 yen) from the label 102.

On the other hand, when the weight information reading means reads the weight information, the product weight selecting means preferentially sets the weight based on the weight information as the product weight Wd used by the weight comparing and judging means (31A, 31B). On the other hand, when the weight information cannot be read, the weight read from the product data file (DA) based on the scanning data is selected as the product weight. The means includes the CPU 31A and the ROM 31B and is executed in ST12 to ST14 of FIG. It

Similarly, when the price information is read by the price information reading means, the commodity price selection means preferentially sets the price based on the price information as the sales price to be used by the sales registration control means (31A, 31B). On the other hand, when the price information is not read, the price read from the product data file (DA) based on the scanning data is selected as the sales price, which is composed of the CPU 31A and the ROM 31B and is executed in ST12 to ST14 of FIG. It

Here, the setting storage means is means for setting and storing the peculiar error constant ka for a certain product,
In this embodiment, it is formed integrally with the product data file DA in the RAM 31C as shown in FIG. For example,
Tray of meat with product weight Wd and weight of wrapping material are k
In the case of a1, ka1 is set and stored in association with the product code. The value can be changed by operating the keyboard 32.

Further, the retrieval reading means retrieves whether or not the peculiar error constant ka for the scanned product is set and stored in the setting storage means (DA), and if it is present, the peculiar error constant ka. Is a means of reading
It is formed of a CPU 31A and a ROM 31B. Specifically, it is executed in ST16 and ST17 of FIG.

The calculating means adds the read specific error constant ka to the positive side comparative product weight (Wd + KA) for the product, and adds a new positive side comparative product weight (W
d + KA + ka) for calculating the CPU 31A, R
It consists of OM31B. The calculation timing is ST
It will be held immediately after 17.

Thus, the CPU 31A causes the ST18 of FIG.
When the customer who sees the message (for example, "put the scanned product on the conveyor") displayed on the display device 14 by the user places the scanned product on the carry-in conveyor 21, the CPU 31A causes the weighing device 22 to operate. After knowing that the instrument has been placed on the basis of the change in the output signal, a weighing operation (S
Perform T19). Weighing weight Wm is work area WA
Is temporarily stored in.

Here, the weight comparison and determination means (31A, 31
In B), when the specific error constant ka is not set and stored (NO in ST20 of FIG. 7), the comparison product weights (Wd-KA), (Wd) in consideration of the common error constant KA are basically taken as a basic rule.
+ KA) is compared and determined (ST21), and for the product for which the specific error constant ka is set and stored, the negative side comparative product weight (Wd-KA) and the calculated new plus side comparative product weight (Wd + KA + ka). And are used for comparison and determination (ST22).

The conveyor operation control means is the CPU 31.
A, ROM 31B, weight comparison and judgment means (3
1A, 31B), the transport operation command signal for the carry-in conveyor 21 is output to the conveyor controller 29 (ST23) on condition that it is determined that the products are identical (YES in ST21, YES in ST22). That is, only when the customer self-scans the self-purchased product and places the product on the carry-in conveyor 21, the carry-in conveyor 21 is started to carry. Therefore, the wasteful operation of the carry-in conveyor 21 is eliminated, and there is no need to operate the carry-in conveyor 21 in the reverse transport mode. Moreover, since only the regular purchased products are conveyed, it is possible to operate at high speed.

When the product reaches the downstream side of the carry-in conveyor 21, the detection sensor 23 operates and the CPU 31A registers the sales at the selected price. Then, the next handling message is displayed (ST24).

On the other hand, it is judged that there is no product identity (S
When T21 is NO and ST22 is NO, a coping message is displayed on the display 14 (ST25). The message to be dealt with is, for example, "Please replace the scanned product", "Please remove the product different from the scanned product", and so on. In this case, the fact that there is no identity is displayed on the operator display 35. It will also be alarmed if necessary. Therefore, the cashier can automatically detect fraud without constantly monitoring. In this case, the carry-in conveyor 21 is not operated. Also, ST25 is shown in FIG.
When NO is determined in ST11, the coping message is displayed. For example, "Please rescan".

Next, the operation of this embodiment will be described. A customer who has put a large number of purchased products in a cart stops at the operation unit 10 shown in FIG. 5 and turns on the start switch 15. Then, the CPU 31A causes the display 14 to display a handling message "Please scan the product". Product data D self-scanned by the customer using the product reading unit 11, that is, data (JAN code) read from the barcode 101 shown in FIG. 4 is temporarily stored in the work area WA of the RAM 31C forming the scanning product data storage unit. (ST10 of FIG. 6).

At the same time, the weight information reading means (31
A, 31B, 11), price information reading means (31A, 31)
B, 11) is the label 1 attached to the product 100 in FIG.
The weight information and the price information are read from 02. It is temporarily stored in the work area WA. In the case of the product (100) to which the label 102 is not attached, only the product code is read.

If the input data (read data) is normal (YES in ST11) and the label 102 has weight information (YES in ST12), the product weight selecting means (31A, 31B) reads from the label 102. The read weight information is preferentially selected as the target product weight Wd by the weight comparison and determination means (31A, 31B) (ST1).
3). On the other hand, when there is no label 102, the weight Wd read from the product data file DA is selected in correspondence with the product code read from the barcode 101 (ST14).

Similarly, when the input data (read data) is normal (YES in ST11) and the price information is present in the label 102 (YES in ST12), the commodity price selecting means (31A, 31B) causes the label 102 to operate. The price information read from is preferentially selected as the target product price by the sales registration control means (31A, 31B) (ST13). On the other hand, if there is no label 102, the barcode 1
The price read from the product data file DA is selected corresponding to the product code read from 01 (ST1
4).

Subsequently, the CPU 31A reads the common error constant KA shown in FIG. 3, and compares the negative side comparative product weight (Wd-KA) and the positive side comparative product weight (Wd + KA).
Is calculated and stored in the work area WA (ST15).

Here, the retrieval and reading means (31A, 3A
1B) searches (ST16) whether or not the peculiar error constant ka for the product is set and stored in the setting storage means (DA) shown in FIG. 2, and if there is, the peculiar error constant k.
a is read and stored in the work area WA. Then, the calculation means (31A, 31B) uses the unique error constant ka to obtain a new positive side comparative product weight (Wd + KA + k).
a) is calculated (ST17). This is also the work area WA
Is temporarily stored in.

Subsequently, the CPU 31A causes the display 1
A message to the effect that the product should be placed on the carry-in conveyor 21 is displayed at 4 (ST18). Then, the customer places the product on the carry-in conveyor 21. This is confirmed by the change in the output signal of the measuring instrument 22. This gives C
The PU 31A causes the weighing device 22 to perform a weighing operation (ST
19). The measured weight Wm is temporarily stored in the work area WA.

Thus, the weight comparison and judgment means (31A, 3A)
1B) uses the comparative product weights (Wd-KA) and (Wd + KA) as a basic operation to judge the product identity when the specific error constant ka is not set and stored (NO in ST20 of FIG. 7). If the peculiar error constant ka is set and stored in (ST21), a comparison judgment is made in ST22.
That is, if YES is determined in ST21 or ST22, the CPU 31A forming the conveyor operation control means
A transfer operation command signal is output to the conveyor controller 29 to start the transfer driving operation of the carry-in conveyor 21 (S
T23).

On the other hand, if NO is determined, the CPU 31A forming the countermeasure message display means causes the display 14 to display a countermeasure message such as "please place the scanned product" (ST25). The buzzer 17 also gives an alarm. In this case, the carry-in conveyor 21 is not operated and remains stopped. The same applies when the input data is out of order (NO in ST11).

The self-scanned product is placed on the carry-in conveyor 21 (Y in ST21 or ST22).
If the product is determined to be ES, the product is sent downward by the carry-in conveyor 21 in FIG. During this process, the detection sensor 23
When the product is detected, the scanning product data temporarily stored in the scanning product data storage means (RAM 31C) in advance is registered in the sales registration storage area RM by the CPU 31A. After this, the conveyor controller 29 stops the carry-in conveyor 21. The goods are sent to the stock location 51 via the carry-out conveyor 41.

Thereafter, the CPU 31A causes the display 14 to display a handling message such as "Please scan the next product" and "Press the stop switch" (ST24 in FIG. 7). The same applies to the following products (ST10
~ 25). When the self-scanning is completed for all the products purchased by the customer and the stop switch 16 is pressed, the self-scanning work is completed.

After that, the total amount and the like are displayed on the displays 35 and 36 of the electronic cash register 31, and the customer pays at the settlement section 30. For a product temporarily placed on the shelf 15 due to a self-scanning malfunction, the cashier is manually input using the keyboard 32 or the scanner 33. The settled customer bags the product in the stock / bag unit 50.

Therefore, according to this embodiment, the operation unit 1
In the self-scanning system device 1 in which 0, the loading / weighing unit 20, the unloading unit 40, and the stock / bagging unit 50 are arranged in a row in the product flow direction, and the weight comparison and determination means (31A, 31B) are provided, the setting storage means (DA), search and read means (31A, 31B) and calculation means (31A, 31B), and weight comparison and determination means (31A, 31B)
For a product in which the unique error constant ka is set and stored, the product identity is determined using the negative side comparative product weight (Wd-KA) and the calculated positive side comparative product weight (Wd + KA + ka). Therefore, even if the weight of the packaging material occupies a large weight such as a meat product, the product identity can be accurately and automatically determined without any error. Therefore, self-scanning and settlement operations can be performed smoothly and quickly, and customer service can be improved.

Further, the intrinsic error constant ka is the keyboard 3
Since the setting can be changed in step 2, it is possible to operate according to the packaging material.

Further, the weight information reading means (31A, 31
B, 11) and product weight selection means (31A, 31B) are provided, and if the weight information of the product is read from the label 102 attached to the product 100, is the weight stored in the product data file DA? Regardless of whether or not the weight information is read from the label 102, the weight comparison and determination means (3
Since the product weight Wd used in 1A, 31B) is preferentially selected, the manual key input work of the cashier is unnecessary and the occurrence of an error can be prevented.

Further, cut-and-sale products such as meat and fillets, merchandise-selling products, and volume-selling products can be targeted for self-scanning simply by sticking the label 102 on the spot by a person who is familiar with the weight Wd.

Furthermore, price information reading means (31A, 31
B, 11) and the product price selection means (31A, 31B) are provided, the price management of mass-sold products and the like becomes easy.

Although the above self-scanning system device 1 was introduced into the two-lane dedicated check-out device, it can be used as it is as the self-scanning system device for the dual-purpose check-out device disclosed in the above publication. ..

The setting storage means is RAM 31C (D
Although formed from A), it can be formed and implemented with the label 102.

[0065]

As described above, according to the present invention, the operating portion,
In the self-scanning system device 1 in which the carry-in / weighing unit, the carry-out unit, the stock / bagging unit are arranged in a row in the product flow direction, and the weight comparison / determination unit is provided, setting storage means, search reading means, and calculation means are provided. In addition, the weight comparison and determination means is configured to determine the product identity by using the negative side comparison product weight and the calculated positive side comparison product weight for the product for which the unique error constant is set and stored. For example, even if the weight of the packaging material occupies a large weight such as a meat product, the product identity can be accurately and automatically determined without any error. Therefore, self-scanning and settlement operations can be performed smoothly and quickly, and customer service can be improved.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of the present invention.

FIG. 2 is also a diagram for explaining a product data file and a setting storage unit.

FIG. 3 is also a diagram for explaining a storage state of common error constants.

FIG. 4 is also a diagram for explaining a label attached to a product.

FIG. 5 is likewise a plan view of the entire checkout device.

FIG. 6 is likewise a flow chart (1) for explaining the operation.

FIG. 7 is likewise a flowchart (2) for explaining the operation.

FIG. 8 is a plan view showing a conventional example.

FIG. 9 is a flowchart (1) for explaining the operation of the conventional example.

FIG. 10 is a flowchart (2) for explaining the operation of the conventional example.

[Explanation of symbols]

1, 1A, 1B Self-scanning system device 10 Operation part 11 Product reading means 12 Input / display unit 14 Display device 15 Shelf 17 Buzzer 20 Carry-in / measurement part 21 Carry-in conveyor 22 Metering device 23 Detection sensor 29 Conveyor controller 30 Settlement part 31, 31A, 31B Electronic cash register 31A CPU (weight comparison judgment means, search reading means, calculation means) 31B ROM (weight comparison judgment means, search reading means, calculation means) 31C RAM DA product data file (setting storage means) 31D interface 32 Keyboard 33 Scanner 34 Drawer 35 Operator display 36 Customer display 37 Printer 38 Foot switch 40 Carrying out section 41 Carrying out conveyor 50 Stock / bagging section 51 Stock place Wd Product weight Wm Weighing weight K A Common error constant ka Unique error constant

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location // B65G 47/49 8010-3F

Claims (1)

[Claims] 1. An operating unit including product reading means arranged in a row in the product flow direction, a carry-in / weighing unit having a carry-in conveyor and a weighing machine, a carry-out unit including a carry-out conveyor, and a stock / stock having a stock location. The weight of the comparison product, which is composed of a bagging unit and is calculated by adding and subtracting a common error constant to the weight of the product self-scanned by the customer by the operating unit by the weight comparison and determination means, and the weighing instrument placed on the carry-in conveyor by the customer and In a self-scanning system device that has a product identity confirmation function that confirms product identity by comparing it with the measured weight of the product weighed in, a setting storage means for setting and storing a unique error constant for a certain product Retrieval reader who searches whether or not the unique error constant of the scanned product is set and stored and reads the unique error constant And a calculation means for calculating a new plus-side comparative product weight by adding the read specific error constant to the plus side of the comparative product weight of the product, and the weight comparison / determination means is set to A self-scanning system device configured to judge the product identity by using the calculated new plus-side comparative product weight for the products stored and stored.