JP2019207599A - Product registration device, reading output control method, and reading output control program - Google Patents

Abstract

To prevent over-reading and reading omission of RF tags attached to products.SOLUTION: A product registration device for registering products with an RF tag comprises: an identification information reading unit that reads product identification information with an RFID tag reader; a product weighing unit that measures the product weight of the product; a product weight storage unit that stores the product identification information and the product weight of the product in association with each other; a product weight acquisition unit that acquires the product weight corresponding to the product identification information read by the identification information reading unit with reference to the product weight storage unit; a product weight comparison unit that compares the total product weight acquired by the product weight acquisition unit with the total product weight measured by the product weighing unit; and an output control unit that controls the reading output of the RFID tag reader according to the comparison result between the total product weight acquired by the product weight acquisition unit and the total product weight measured by the product weighing unit by the product weight comparison unit.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a commodity registration apparatus, a read output control method, and a read output control program.

  In retail stores such as supermarkets and convenience stores, POS (Point Of Sale) terminals are widely used. In recent years, a POS terminal includes an RFID (radio frequency identifier) tag reader / writer (hereinafter referred to as “RFID scanner”), scans a bar code included in an RF tag attached to a product, and supplies a product code (identification information). get. An example of a technique for registering a product using an RFID scanner in a POS terminal is disclosed (for example, see Patent Document 1).

JP 2009-187407 A

  However, for example, when the shape of the product is large and the distance between the RF tag attached to the product and the RFID scanner is long, or when the antenna of the RF tag is small, the transmission output of the RFID scanner to the RF tag is sufficient. In addition, there is a possibility that reading of the RF tag may be missed depending on the positional relationship between the antennas of the RF tag and the RFID scanner and the material of the attachment object of the RF tag.

  On the other hand, if the transmission output of the RFID scanner is too large, not only the RF tag of the product to be read, but also other products near the POS terminal (registry) and other customers' products lined up at the POS terminal There is a possibility that the RF tag is read and the RF tag is read too much.

  Therefore, since there is a high possibility that RF tags will be read and overread, especially in stores that handle a wide variety of products, such as home centers and department stores, a means to prevent overreading and overreading as appropriate is required. It was done.

  In view of the above problems, an object of the present invention is to provide a product registration device that can prevent over-reading and reading omission of an RF tag attached to a product.

  According to one aspect of the present invention, a product registration device of the present invention is a product registration device for registering a product with an RF tag, and an identification information reading unit that reads product identification information with an RFID tag reader; A product weighing unit that measures the product weight of the product, a product weight storage unit that stores the product identification information and the product weight of the product in association with each other, and the product weight storage unit. The product weight acquisition unit that acquires the product weight corresponding to the identification information of the product read by the identification information reading unit, the total of the product weights acquired by the product weight acquisition unit, and the product weighing unit The product weight comparison unit for comparing the total of the measured product weights, the total product weight acquired by the product weight acquisition unit by the product weight comparison unit, and the product weighing unit. Sum of the product weight is metered, in accordance with the comparison result, characterized in that and an output control unit for controlling the reading output of the RFID tag reader.

  Further, the read output control method of the present invention includes a product weight storage unit that stores the product identification information and the product weight of the product in association with each other, an RFID tag reader that reads an RF tag attached to the product, A read output control method executed in a product registration apparatus comprising: the RFID tag reader reads the product identification information, measures the product weight of the product, and refers to the product weight storage unit, The product weight corresponding to the read identification information of the product is acquired, the total of the acquired product weight is compared with the total of the measured product weight, and according to the comparison result The reading output of the RFID tag reader is controlled.

  The read output control program of the present invention includes a product weight storage unit that stores the product identification information and the product weight of the product in association with each other, and an RFID tag reader that reads an RF tag attached to the product. Read the product identification information by the RFID tag reader, measure the product weight of the product, and refer to the product weight storage unit to the read product identification information. The corresponding product weight is acquired, the total of the acquired product weight is compared with the total of the measured product weight, and the reading output of the RFID tag reader is controlled according to the comparison result It is characterized in that the processing is performed.

  According to one aspect, it is possible to provide a product registration device that can prevent overreading and reading omission of an RF tag attached to a product.

It is a figure which shows an example of an external appearance structure of the self-checkout apparatus 10 of this embodiment. It is a figure which shows an example of the hardware constitutions of the self-checkout apparatus which concerns on this embodiment. It is a figure which shows an example of a function structure of the self-checkout apparatus 10 which concerns on this embodiment. It is a figure which shows an example of the goods table 501 memorize | stored in RAM102. 3 is a diagram illustrating an example of a read data storage area 502 stored in a RAM 102. FIG. It is a figure which shows an example of the adjustment object data table 505 memorize | stored in RAM102. It is a figure which shows the flowchart which shows the example of the automatic adjustment process of this embodiment. It is a figure which shows the flowchart which shows the example of the automatic adjustment process of this embodiment.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
The product registration device according to the present invention is a self-checkout device in which a customer can register a product to be purchased. Hereinafter, the self-checkout apparatus 10 will be described as an example of the commodity registration apparatus, but the present invention is not limited to this. For example, the present invention can also be applied to a normal POS terminal in which a store clerk can register a product to be purchased using an RFID scanner.

  FIG. 1 is a diagram illustrating an example of an external configuration of a self-checkout apparatus 10 according to the present embodiment. As shown in FIG. 1, the self-checkout device 10 includes a housing 11 and a housing 12.

  The housing 11 and the housing 12 accommodate a control device (not shown) that controls the self-checkout device 10 as a whole, a communication device (not shown) that communicates with the outside, a power supply device (not shown), and the like.

  The self-checkout device 10 includes an LCD (Liquid Crystal Display) 13, a touch panel 14, a card R / W (Reader / Writer) 15, a camera scanner 16 a, a handy scanner 16 b (not shown), RFID A scanner 17, a receipt printer 18, and a money handling device accommodating portion 19 are provided, a weighing device 20 is provided on the right side of the housing 11, and a shopping bag suspension portion 21 is provided above the housing 12.

  The LCD 13 displays various information and a warning message. For example, the LCD 13 is a bar code read by the camera scanner 16a, a product name based on the identification information of the RF tag read by the RFID scanner 17, a product price such as a product unit price, a product weight, etc., a deposit amount at the time of settlement, Information such as the total amount of shopping and the amount of change is displayed. The barcode and RF tag identification information is an example of identification information attached to a product.

  The touch panel 14 receives input of operation information by a customer's touch operation according to the display on the LCD 13. For example, when various buttons including a transaction start button and a settlement button are displayed on the LCD 13 and a touch operation on the transaction start button is received, an automatic settlement process described later is started. Similarly, when a touch operation on the settlement button is received, a settlement process is performed, and an automatic settlement process described later is terminated.

  The card R / W 15 reads information recorded on the magnetic stripe of a magnetic card (for example, a credit card).

  The camera scanner 16 a is a downward reading type scanner, and is fixed to the self-checkout device 10. The camera scanner 16a images the product on the RFID scanner 17 at a predetermined frame rate, and reads the barcode when the presence of the barcode attached to the product is recognized in the obtained image.

  A handy scanner 16b (not shown) is connected to the self-checkout device 10 via a wired or wireless connection and is movable so that a barcode that cannot be read by the camera scanner 16a can be read. The handy scanner 16b irradiates the barcode attached to the product with a laser scanning line and reads the barcode. Hereinafter, the camera scanner 16a and the handy scanner 16b are referred to as “barcode scanner 16” when it is not necessary to distinguish between them.

  The RFID scanner 17 is a device that reads tag ID information including barcode data in an RF tag from an RF tag attached to a product by wireless communication. The RFID scanner 17 may be an RFID tag reader / writer device capable of recording information on an RF tag. The RF tag is an RFID tag (also referred to as an IC tag) that stores tag ID information, and tag ID information including barcode data is stored. Tag ID information is information recorded in the RF tag. The RFID scanner 17 may be a stationary type or a handy type.

  The receipt printer 18 prints a receipt on which information such as the name of the purchased product (product name), the product unit price, the deposit amount, and the change amount is described.

  The money handling device accommodating portion 19 accommodates a not-shown fishing bill machine (banknote handling device) and a not-shown change machine (coin handling device). Moreover, the money handling apparatus accommodating part 19 is provided with the banknote insertion port 19a, the banknote payment port 19b, the coin insertion port 19c, the coin return port 19d, and the coin payment port 19e. The banknote insertion slot 19a is an input slot for banknotes to be deposited into the fishing bill machine. The banknote withdrawal port 19b is an outlet for taking out banknotes to be withdrawn from the bill machine. The coin slot 19c is a slot for coins to be deposited into the change machine. The coin return port 19d is a coin outlet that is returned from the change machine. The coin dispensing port 19e is a coin dispensing port for dispensing from the change machine.

  The weighing device 20 weighs the total weight of commodities put in the shopping cart placed on the weighing device 20. Since the weight of the shopping basket is known, the weighing device 20 measures the total weight of the shopping basket in which the product is put, and subtracts the weight of the shopping basket from the measured value, thereby adding the shopping basket to the shopping basket. You can weigh the total weight of the merchandise in it. Further, the weighing device 20 subtracts the measured value after reading the next barcode from the measured value after reading the barcode, thereby obtaining the weight of the product read by the scanner (hereinafter referred to as “product weight”). Can be weighed. The weighing device 20 measures the product weight of the product based on the control of the product weighing unit 403 described later.

  The shopping bag suspension unit 21 is for hanging a shopping bag in which a product after product registration is placed. The shopping bag may be a shopping bag or the like.

  FIG. 2 is a diagram illustrating an example of a hardware configuration of the self-checkout apparatus according to the present embodiment. As shown in FIG. 2, the self-checkout device 10 includes a control device 100 including a control unit 101, a RAM (Random Access Memory) 102, and the like. The control device 100 is connected to various devices including the LCD 13, the touch panel 14, and the like. Has been. The control device 100 comprehensively controls various devices. The control unit 101 is a CPU (Central Processing Unit) or the like, and controls the overall operation of the self-checkout device 10. Specifically, the control unit 101 performs various processes by sequentially executing programs stored in the RAM 102 and the HDD 103. The control unit 101 is an example of a computer.

  A RAM 102, an HDD (Hard Disk Drive) 103, a communication interface 104, a graphic processing device 105, and an input / output interface 106 are connected to the control unit 101 via a bus 107. The control unit 101 reads a program from the HDD 103 onto the RAM 102 via the bus 107 and executes it. As a result, various operations of the self-checkout device 10 are performed including an operation guidance display operation and a barcode reading operation which will be described later.

  The RAM 102 temporarily stores a part of a program such as an OS (Operating System) and an application executed by the control unit 101 and stores various data necessary for the processing of the control unit 101. The RAM 102 stores a product information area and a settlement amount storage area, which will be described later.

  The HDD 103 stores programs, various data, a product table described later, and the like.

  The communication interface 104 communicates with an external device via a network such as a LAN (Local Area Network). A product table to be described later may be stored in an external server 200 connected via a network (not shown) and a communication interface 104 from a program provider terminal device (not shown).

  The graphic processor 105 is connected to the LCD 13. The graphic processing device 105 generates image data to be displayed on the LCD 13 under the control of the control unit 101, converts the image data into an image signal, and outputs the image signal to the LCD 13.

  A touch panel 14, a card R / W 15, a camera scanner 16 a, a handy scanner 16 b, an RFID scanner 17, a receipt printer 18, a weighing device 20, and a deposit / withdrawal device 22 are connected to the input / output interface 106.

The deposit / withdrawal device 22 includes the above-described fishing bill machine and change machine.
In addition, a medium reader (not shown) is also connected to the input / output interface 106, and data can be written to or read from a portable storage medium set in the medium reader. Note that the program executed by the control unit 101 may be stored in the portable storage medium. In this case, the control unit 101 may read the program from the portable storage medium set in the medium reading device onto the RAM 102 and execute the program. Examples of portable storage media include various types of storage media such as CD-ROM (Compact Disc Read Only Memory), flexible disc, optical disc, magneto-optical disc, DVD (Digital Versatile Disc) disc, and USB (Universal Serial Bus) memory. Either of these may be used.

  Next, a functional configuration of the self-checkout apparatus 10 according to the present embodiment will be described. FIG. 3 is a diagram illustrating an example of a functional configuration of the self-checkout apparatus 10 according to the present embodiment.

  The control unit 101 of the self-checkout device 10 includes at least a main control unit 401, an identification information reading unit 402, a product weighing unit 403, a product weight acquisition unit 404, a product weight comparison unit 405, and an output control unit 406. Have. The RAM 102 of the self-checkout apparatus 10 includes at least a product table 501, a read data storage area 502, an actual weight storage area 503, a logical weight storage area 504, and a settlement target data table 505.

  The main control unit 401 controls the entire self-checkout apparatus 10 by causing the control unit 101 to execute an automatic checkout processing program.

  The identification information reading unit 402 reads the product identification information by controlling the RFID scanner 17 based on the output controlled by the output control unit 406. Specifically, the identification information reading unit 402 reads tag ID information including barcode data in the RF tag from the RF tag attached to the product by wireless communication. The identification information reading unit 402 employs a known double reading prevention process (a filtering process for discarding an RF tag that has been read once), and therefore does not read the same RF tag repeatedly. The identification information reading unit 402 stores tag ID information including the read barcode data in the read data storage area 502.

  The product weighing unit 403 measures the product weight of the product. Specifically, the product weighing unit 403 controls the weighing device 20 to measure the product weight of the product for which the tag information including the barcode data is read by the identification information reading unit 402. The product weighing unit 403 stores the total measured product weight in the actual weight storage area 503.

  The product weight acquisition unit 404 refers to the product table 501 and acquires the product weight corresponding to the product identification information read by the identification information reading unit 402. Specifically, the product weight acquisition unit 404 acquires the product weight corresponding to the barcode of the barcode compatible portion from the tag ID information stored in the read data storage area 502 read by the identification information reading unit 402. To do.

  FIG. 4 is a diagram illustrating an example of a product table 501 stored in the RAM 102. As shown in FIG. 4, the product table 501 stores a barcode and information on the product name, product weight, and product price corresponding to the barcode for each barcode.

  FIG. 5 is a diagram illustrating an example of a read data storage area stored in the RAM 102. In the read data storage area, tag ID information of the RF tag read by the RFID scanner 17 is temporarily stored. The tag ID information includes a length, an attribute, barcode information, and serial number information.

  The tag ID information includes an EPC (Electronic Product Code), which is an identification code for writing to an electronic tag standardized by GS1 (Global Standard One), and a serial number in GTIN (Global Trade Item Number), which is a product identification code. It is made up of a format called SGTIN (Serialized GTIN) to which is added.

  For example, referring to the product table 501 in FIG. 4 and the read data storage area 502 in FIG. 5, the product weight acquisition unit 404 uses the tag ID information “3000112233445566778899111111” in FIG. 5 as information including a barcode and a serial number. Disassembled into If the information of the decomposed barcode is “4900000000010”, the product weight acquisition unit 404 refers to the product table of FIG. 4 and acquires the product weight “100 g” corresponding to the barcode “4900000000010”. The product weight acquisition unit 404 stores the acquired total product weight in the logical weight storage area 504.

  The product weight comparison unit 405 compares the total product weight acquired by the product weight acquisition unit 404 with the total product weight measured by the product weighing unit 403. Specifically, the product weight comparison unit 405 is configured to calculate the actual product weight storage area 503 measured by the product weighing unit 403 and the logical total product weight acquired by the product weight acquisition unit 404 and stored in the logical weight storage area 504. Is compared with the total actual product weight stored in

  For example, when the total logical product weight acquired by the product weight acquisition unit 404 is “580 g” and the actual total product weight measured by the product weighing unit 403 is “1660 g”, The product weight comparison unit 405 determines that the actual total product weight measured by the product weighing unit 403 is heavier.

  On the other hand, when the logical total product weight acquired by the product weight acquisition unit 404 is “1860 g” and the actual total product weight measured by the product weighing unit 403 is “1660 g”. The product weight comparison unit 405 determines that the logical total product weight acquired by the product weight acquisition unit 404 is heavier. The product weight comparison unit 405 notifies the output control unit 406 of information on the comparison result of the product weight.

  The output control unit 406 controls the reading output of the RFID scanner 17. The read output of the RFID scanner 17 is set to be changeable in a plurality of stages, for example. The read output of the RFID scanner 17 can be controlled by changing the output of the radio wave output from the antenna of the RFID scanner 17 based on the changed read output.

  Specifically, the comparison result between the logical total product weight acquired by the product weight acquisition unit 404 and the actual total product weight measured by the product weighing unit 403 by the product weight comparison unit 405. The reading output of the RFID scanner 17 is controlled accordingly.

  For example, the product weight comparison unit 405 determines that the actual total product weight measured by the product weighing unit 403 is smaller than the logical total product weight acquired by the product weight acquisition unit 404. In such a case, there is a high possibility that all the RF tags of the products to be checked out by the self-checkout device 10 cannot be read. In this case, the output control unit 406 increases the output of radio waves output from an antenna (not shown) of the RFID scanner 17 and increases the reading output of the RFID scanner 17. Thereby, all the RF tags that could not be read can be read, and reading of the RF tag attached to the product can be prevented.

  Further, for example, when the actual product weight measured by the product weighing unit 403 is larger than the logical total product weight acquired by the product weight acquisition unit 404 by the product weight comparison unit 405. If it is determined, there is a high possibility that the self-checkout device 10 has read an RF tag other than the product to be checked out. That is, it is presumed that an RF tag of a product scheduled to be purchased by another customer near the self-checkout device 10 or a product on a display shelf near the self-checkout device 10 is read. In this case, the output control unit 406 weakens the output of radio waves output from an antenna (not shown) of the RFID scanner 17 and reduces the reading output of the RFID scanner 17. Thereby, overreading of the RF tag attached to the product can be prevented.

  As a result of controlling the reading output of the RFID scanner 17, the total of the logical product weights acquired by the product weight acquisition unit 404 by the product weight comparison unit 405 and the actual product weight measured by the product weighing unit 403. When the comparison result with the sum of the two becomes substantially the same, the read output of the RFID scanner 17 is considered to be appropriate. Therefore, in this case, it is possible to read only the RF tag necessary for the accounting of the self-checkout device 10 without omission. In this case, the main control unit 401 refers to the product table 501 and corresponds to the product name and barcode corresponding to the barcode of the barcode compatible portion in the tag ID information stored in the read data storage area 502. The merchandise amount is stored in the settlement target data table 505 as the settlement amount.

  FIG. 6 is a diagram illustrating an example of the adjustment target data table 505 stored in the RAM 102. As shown in FIG. 6, in the settlement target data table 505, the barcode compatible portion barcode included in the tag ID information stored in the read data storage area 502, the product name and product corresponding to this barcode are stored. Amount information is stored.

  Next, the flow of the automatic settlement process of this embodiment will be described. 7A and 7B are flowcharts showing an example of the automatic checkout process according to the present embodiment. The automatic settlement process is started when a transaction start button is pressed by a customer's touch operation and the main control unit 401 receives an instruction to start the automatic settlement process.

  First, the main control unit 401 performs control to display a message prompting the RFID scanner 17 to read the RF tag on the LCD 13 (step S101), and the identification information reading unit 402 enables the setting of the RFID scanner 17 (step S101). S102). In this case, when the initial value of the RFID scanner 17 is set, the identification information reading unit 402 sets the reading output of the RFID scanner 17 based on the initial value. Further, when the setting information of the reading output is already stored in the RAM 102 or the like, the reading output of the RFID scanner 17 is set based on the stored setting information.

  The identification information reading unit 402 waits until the RF tag is read. When the RF tag is read by the RFID scanner 17 (step S103), the tag ID information including the barcode data read by the RFID scanner 17 is read and stored. It memorize | stores in the area | region 502 (step S104).

  The identification information reading unit 402 determines whether or not the reading of the RF tag is completed (step S106). In this process, for example, when a predetermined time has elapsed since the last RF tag reading was completed, or when an operation of an RF tag reading end instruction was received based on a touch operation on the touch panel 14 by the customer, the identification information The reading unit 402 determines that the reading of the RF tag has been completed.

  The product weighing unit 403 measures the product weight by the weighing device 20 after the reading of the RF tag is completed (step S107), and stores the measured product weight in the actual weight storage area 503 (step S108). In the above-described embodiment, the product weighing unit 403 measures the product weight by the weighing device 20 after completing the reading of the RF tag, but measures the product weight by the weighing device 20 before completing the reading of the RF tag. May be.

  The merchandise weight acquisition unit 404 refers to the merchandise table 501 and acquires the merchandise weight corresponding to the bar code compatible barcode in the tag ID information stored in the read data storage area 502 (step S109).

  The product weight comparison unit 405 compares the total product weight acquired by the product weight acquisition unit 404 with the total product weight measured by the product weighing unit 403 (step S110). In this process, the product weight comparison unit 405 is configured to store the logical product weight acquired by the product weight acquisition unit 404 and stored in the logical weight storage area 504 and the actual weight storage area 503 measured by the product weighing unit 403. Compare the stored total actual product weight.

  The output control unit 406 determines the total product weight acquired by the product weight acquisition unit 404 as a result of the comparison between the logical total product weight in step S110 and the actual total product weight, and the product weighing unit. It is determined whether or not the total product weight weighed in 403 is substantially the same (step S111). Substantially the same includes not only completely the same but also an error within a predetermined threshold range. For example, a predetermined threshold value of about 1 to 10% may be set.

  When the total product weight acquired by the product weight acquisition unit 404 and the total product weight measured by the product weighing unit 403 are not substantially the same (NO in step S111), the output control unit 406 It is determined whether or not the actual total product weight measured by the product weighing unit 403 is smaller than the logical total product weight acquired by the weight acquisition unit 404 (step S112).

  When it is determined that the actual total product weight measured by the product weighing unit 403 is smaller than the logical total product weight acquired by the product weight acquisition unit 404 (YES in step S112). There is a high possibility that all the RF tags of the products to be checked out by the self-checkout device 10 could not be read. In this case, the output control unit 406 increases the read output of the RFID scanner 17 by, for example, 1 dBm (step S113). This improves the possibility of reading an RF tag that could not be read. When this process ends, the process returns to step S103 to read the RF tag and measure the product weight again.

  The actual total product weight measured by the product weighing unit 403 is not smaller than the logical total product weight acquired by the product weight acquisition unit 404, that is, acquired by the product weight acquisition unit 404. If it is determined that the actual total product weight measured by the product weighing unit 403 is larger than the logical total product weight (NO in step S112), the self-checkout device 10 There is a high possibility that an RF tag other than the item to be checked was read. In this case, the output control unit 406 reduces the reading output of the RFID scanner 17 by, for example, 1 dBm (step S114). This improves the possibility of preventing over reading of the RF tag attached to the product. When this process ends, the process returns to step S103 to read the RF tag and measure the product weight again.

  When the total product weight acquired by the product weight acquisition unit 404 and the total product weight measured by the product weighing unit 403 are substantially the same (YES in step S111), the main control unit 401 With reference to the product table 501, among the tag ID information stored in the read data storage area 502, the product name corresponding to the barcode of the barcode compatible portion and the product price corresponding to the barcode are used as the settlement target data. Store in the table 505 (step S115).

  When the settlement button on the touch panel 14 is touched, the main control unit 401 performs a settlement process using the settlement amount stored in the settlement target data table 505 (step S116). In this processing, after the merchandise amounts of all the products to be purchased by the customer are stored, cash is inserted or a credit card is inserted. As a result, a checkout process is performed, and the change, used credit card and receipt are discharged from the self-checkout device 10. When the customer receives these and the transaction ends, the automatic checkout process ends. Note that the read output setting information may be stored in the RAM 102, the HDD 103, or the like at the end of the automatic checkout process.

  As described above, according to the self-checkout device 10 of the present embodiment, the actual product weight measured by the product weighing unit 403 rather than the total of the logical product weights acquired by the product weight acquisition unit 404. If it is determined that the sum of the items is smaller, there is a high possibility that all the RF tags of the products to be checked out by the self-checkout device 10 could not be read. In this case, the output control unit 406 increases the output of the radio wave output from the antenna of the RFID scanner 17 and increases the read output of the RFID scanner 17 by, for example, 1 dBm. Thereby, the possibility of reading an RF tag that could not be read is gradually improved.

  On the other hand, the product weight comparison unit 405 determines that the actual total product weight measured by the product weighing unit 403 is larger than the logical total product weight acquired by the product weight acquisition unit 404. In the case where it is determined, there is a high possibility that an RF tag other than the product to be checked out is read by the self-checkout device 10. In this case, the output control unit 406 weakens the output of radio waves output from an antenna (not shown) of the RFID scanner 17 and reduces the read output of the RFID scanner 17 by, for example, 1 dBm. This gradually improves the possibility of preventing over reading of the RF tag attached to the product. Thereby, overreading and reading omission of the RF tag attached to the product can be prevented.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various improvements and modifications can be made without departing from the scope of the present invention.

  Various data such as programs and product tables 501, read data storage area 502, actual weight storage area 503, logical weight storage area 504, and adjustment target data table 505 stored in the HDD 103 and RAM 102 are not shown in the network and communication (not shown). It may be stored in the external server 200 connected via the interface 104. In that case, a product table, which will be described later, is retrieved from the external server 200 when necessary and stored in the RAM 102.

10 Self-checkout device 11 Case 12 Case 13 LCD
14 Touch panel 15 Card R / W
16 Bar code scanner 16a Camera scanner 16b Handy scanner 17 RFID scanner 18 Receipt printer 19 Money handling device accommodating portion 19a Banknote slot 19b Bill slot 19c Coin slot 19d Coin return slot 19e Coin slot 20 Weighing device 21 Shopping bag Suspension section 22 Deposit / withdrawal apparatus 100 Control apparatus 101 Control section 102 RAM
103 HDD
104 Communication Interface 105 Graphic Processing Device 106 Input / Output Interface 107 Bus 200 External Server 401 Main Control Unit 402 Identification Information Reading Unit 403 Product Weighing Unit 404 Product Weight Acquisition Unit 405 Product Weight Comparison Unit 406 Output Control Unit 501 Product Table 502 Read Data Storage Area 503 Actual weight storage area 504 Logical weight storage area 505 Settlement target data table

Claims (5)

A product registration device for registering a product with an RF tag,
An identification information reading unit for reading product identification information by an RFID tag reader;
A product weighing unit for weighing the product weight of the product;
A product weight storage unit that stores the identification information of the product and the product weight of the product in association with each other;
With reference to the product weight storage unit, a product weight acquisition unit that acquires the product weight corresponding to the identification information of the product read by the identification information reading unit;
A product weight comparison unit that compares the total product weight acquired by the product weight acquisition unit with the total product weight measured by the product weighing unit;
According to the comparison result between the total product weight acquired by the product weight acquisition unit and the total product weight measured by the product weighing unit by the product weight comparison unit, the RFID tag reader reads An output control unit for controlling the output;
A product registration apparatus comprising: When the comparison result by the product weight comparison unit is less than the total product weight measured by the product weighing unit than the total product weight acquired by the product weight acquisition unit, the output control unit, The product registration apparatus according to claim 1, wherein a reading output of the RFID tag reader is increased. When the comparison result by the product weight comparison unit is greater than the total product weight measured by the product weighing unit than the total product weight acquired by the product weight acquisition unit, the output control unit, The product registration apparatus according to claim 1, wherein a reading output of the RFID tag reader is reduced. Read output executed in a product registration apparatus comprising: a product weight storage unit that stores product identification information and product weight of the product in association with each other; and an RFID tag reader that reads an RF tag attached to the product. A control method,
The RFID tag reader reads the product identification information,
Weigh the product weight of the product,
With reference to the product weight storage unit, the product weight corresponding to the read product identification information is obtained,
Comparing the acquired total product weight with the measured total product weight;
A read output control method, wherein the read output of the RFID tag reader is controlled according to the comparison result. A product registration apparatus comprising: a product weight storage unit that stores product identification information and product weight of the product in association with each other; and an RFID tag reader that reads an RF tag attached to the product.
The RFID tag reader reads the product identification information,
Weigh the product weight of the product,
With reference to the product weight storage unit, the product weight corresponding to the read product identification information is obtained,
Comparing the acquired total product weight with the measured total product weight;
A read output control program for executing a process of controlling the read output of the RFID tag reader according to the comparison result.