JP2006172011A - Merchandise management system, store terminal, information server, merchandise management program and merchandise management method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem that it is difficult to manage customers corresponding to the storage time limit of merchandise in a service for keeping merchandise purchased by a customer at a store side, and for providing the merchandise kept by the store when the customer visits at the store. <P>SOLUTION: A merchandise information database 410 of an information server 400 stores identification information being information to identify stored merchandise and customer information being information of a customer and merchandise information being information showing merchandise purchased by the customer in association with each other. An IC tag 300 stores the identification information being information to identify the stored merchandise. A reader/writer 210 reads identification information stored in the IC tag 300. A store terminal 200 transmits the identification information read by the reader/writer 210 to the information server 400. The information server 400 erases the identification information, customer information and merchandise information from the merchandise information database 410 based on the identification information received from the store terminal 200. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a merchandise management system, a store terminal, an information server, a merchandise management program, and a merchandise management method for managing information on customers who have purchased purchased merchandise.

  There is a service in which stores store products purchased by customers (for example, engine oil for automobiles and alcoholic beverages in restaurants), and provide products stored by stores when customers visit the store.

  In such a service, conventionally, the store attaches to the product by managing the product purchased by the customer, by attaching a label on which information on the product purchased by the customer is written by hand, etc. Information on products purchased by customers is written in a ledger such as a book, or information on products purchased by customers is entered and stored in a computer.

  However, such a conventional method takes time and trouble to describe and input product information. In addition, when handwritten product information is written, there is a possibility that mistakes will occur. Furthermore, when there is a storage period of the product, there is a problem that it is difficult to transmit the storage period of the product to the customer. That is, there are problems in the accuracy of product management, complexity, and customer service.

  A system has been proposed in which information indicating the storage deadline of a product stored in a restaurant is provided to a customer terminal (see, for example, Patent Document 1 and Patent Document 2).

  Further, there is a method for managing products by storing product information in an RFID (Radio Frequency IDentification) tag attached to the product stored in the storage and reading the product information stored in the RFID tag. It has been proposed (see, for example, Patent Document 3).

JP 2003-162570 A (paragraphs 0020 to 0040, FIG. 1) JP 2003-196366 A (paragraphs 0008 to 0039, FIG. 1) JP 2003-276809 (paragraphs 0054-0072, FIG. 1)

  However, in the systems described in Patent Document 1 and Patent Document 2, information on products that have been disposed after the expiration date has been stored or consumed by customers is displayed at terminals where restaurant clerk is installed in the store. There is a problem that it takes time and effort for the store clerk to be deleted every time. There is also a problem that the store clerk may make an input error.

  In addition, the method described in Patent Document 3 automatically manages the inventory of merchandise because the manager of the vault or the like recognizes the merchandise stored in the vault at the timing when the vault or the like is opened or closed. There is a problem that can not be done.

  Therefore, the present invention stores information for identifying the product, reads the information stored in the storage medium associated with the product, recognizes the stored product, and determines the customer's information according to the information for identifying the read product. An object is to provide a product management system, a store terminal, an information server, a product management program, and a product management method for managing information.

  The product management system according to the present invention includes a store terminal including input means for inputting customer information that is customer information and product information that is information indicating a product purchased by the customer, identification information, customer information, and product information. And an information server including storage means for storing the information in association with each other, and the store terminal uses terminal control means for generating identification information and identification information generated by the terminal control means as information for identifying a stored product. Writing means for storing certain identification information and storing it in the IC tag attached to the product, reading means for reading the identification information stored in the IC tag, identification information generated by the terminal control means, and reading means Identification information, customer information input to the input means, and transmission means for transmitting the product information to the information server. The information server reads the reading means received from the store terminal. Based on the taken identification information from the storage means, characterized in that it comprises a server control means for deleting identification information terminal controller has generated, customer information, and product information.

  The server control means of the information server compares the identification information generated by the terminal control means stored in the storage means with the identification information read by the reading means received from the store terminal, and is stored in the storage means. Among the identification information generated by the terminal control means, the identification information generated by the terminal control means that does not match the identification information read by the reading means received from the store terminal, and the customer information and product information associated with the identification information May be deleted from the storage means.

  The input means of the store terminal may input the product information including the storage deadline of the product and the customer information including the e-mail address of the customer's terminal, and the information server includes the product information received from the store terminal An e-mail transmission means for transmitting an e-mail according to the storage deadline to the customer terminal may be included. According to such a configuration, it is possible to send an e-mail according to the storage period of the product to the customer terminal of the customer.

  The input means of the store terminal may input the product information including the purchase time of the product and the customer information including the e-mail address of the customer terminal, and the information server includes the product information received from the store terminal. An e-mail transmission means for transmitting an e-mail corresponding to the purchase time to the customer's terminal may be included. According to such a configuration, an e-mail corresponding to the purchase time of the product can be transmitted to the customer terminal of the customer.

  The input means of the store terminal inputs event information, which is information on events performed at the store, and customer information including the e-mail address of the customer's terminal, and the transmitting means information about the event information input to the input means The server control means of the information server may extract customer information from the storage means according to the contents of the event information, and the e-mail transmission means may include the customer information included in the customer information extracted by the server control means. An e-mail may be sent to the e-mail address of the terminal. According to such a configuration, it is possible to provide information on an event such as a sale held at a store to a customer who has purchased a product related to the event.

  The input means of the store terminal may input event information including product information related to the event, and the server control means of the information server stores the product information indicating the product matching the product related to the event included in the event information from the storage means. Customer information associated with can be extracted.

  The store terminal according to the present invention includes input means for inputting customer information that is customer information and product information that is information indicating a product purchased by the customer, and identification information that is information for identifying a stored product. Terminal control means to be generated, writing means for storing identification information generated by the terminal control means in the IC tag, reading means for reading the identification information stored in the IC tag, identification information generated by the terminal control means, reading Including identification information read by the means, customer information input to the input means, and transmission means for transmitting product information.

  The information server according to the present invention stores the identification information that is information for identifying the stored product, the customer information that is customer information, and the product information that is information indicating the product purchased by the customer in association with each other. And server control means for deleting the identification information, customer information, and product information stored in the storage means from the storage means based on the received identification information.

  The server control means compares the identification information stored in the storage means with the received identification information, and among the identification information stored in the storage means, the identification information that does not match the received identification information, Customer information and product information associated with the identification information may be deleted from the storage means.

  The product management program according to the present invention associates identification information, which is information for identifying stored products, customer information, which is customer information, and product information, which is information indicating a product purchased by a customer, with a computer. Based on the received identification information, the processing to be stored in the storage means, the processing to receive the identification information, and the identification information stored in the storage means and the received identification information are compared and stored in the storage means. Among the identification information, the identification information that does not match the received identification information, and the process of deleting the customer information and the product information associated with the identification information from the storage means are executed.

  The product management method according to the present invention inputs customer information, which is customer information, and product information, which is information indicating a product purchased by a customer, and generates identification information, which is information for identifying a stored product, The identification information, the customer information, and the product information are associated with each other and stored in the storage means, the identification information is stored in the IC tag, the identification information stored in the IC tag is read, the generated identification information, the read identification information, The input customer information and product information are transmitted, and based on the received read identification information, the identification information, customer information, and product information stored in the storage unit are deleted from the storage unit.

  According to the present invention, it is possible to store customer information according to the stored product based on the information for identifying the product stored in the IC tag attached to the stored product.

Embodiment 1 FIG.
A first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory diagram showing a configuration example of the first embodiment of the present invention.

  The first embodiment of the present invention includes a customer terminal 100 that is an information processing apparatus having a communication function, an IC tag 300 that stores information, a store terminal 200 that is an information processing apparatus having a communication function, and a communication function. An information server 400 that is a server provided, and a communication network 500 that connects the customer terminal 100, the store terminal 200, and the information server 400 are included.

  The IC tag 300 is realized by, for example, an RFID tag, and is attached to a product purchased by a customer and stored at a store or the like. The store terminal 200 is installed in a store or the like that stores and stores products purchased by customers, and writes information to the IC tag 300 or reads information stored in the IC tag 300 (writing means, reading means). Means) 210 is connected. The store terminal 200 includes a storage unit 220 that stores a program for controlling the reader / writer 210, a communication unit (transmission unit) 230 that transmits and receives information via the communication network 500, and an input unit that inputs information (input unit). ) 240 and a control unit (terminal control unit) 250 that controls each unit.

  In addition, “attached to the product” means that it is attached to the product, such as when it is attached to the product surface, or it is suspended on the product or incorporated in the price card. Say.

  The control unit 250 of the store terminal 200 includes customer information such as the customer's telephone number and the email address of the customer terminal 100, the product name and product ID of the product purchased by the customer, the date of purchase, and the date of storage. When product information such as date is input to the input unit 240, identification information that is information indicating each IC tag 300 is generated, and the customer information, product information, and generated identification that are input to the communication unit 230 are generated. Information is transmitted to the information server 400 via the communication network 500. Further, the store terminal 200 writes the identification information generated in each IC tag 300 or reads the identification information stored in each IC tag 300 via the reader / writer 210.

  In addition, when event information that is information such as an event or a sale is input to the input unit 240, the control unit 250 of the store terminal 200 sends the input event information to the communication unit 230 via the communication network 500. The server 400 is transmitted.

  The event information is information indicating the date on which the event is held and the contents of the event including the target product. Specifically, for example, when providing shochu with a half price of normal price from November 21, 2004 to November 26, 2004, the event information is from November 21, 2004 to November 2004. It includes information on the date up to the 26th, information on the target product called shochu, and information on the content of half price.

  The control unit 250 of the store terminal 200 causes the reader / writer 210 to read the identification information of each IC tag 300 at a predetermined time interval (for example, once a day). Then, the control unit 250 causes the communication unit 230 to transmit the identification information read by the reader / writer 210 to the information server 400 via the communication network 500. The reader / writer 210 can read information stored in each IC tag 300 existing in a predetermined area (within a certain distance from the reader / writer 210), and each IC tag 300 is attached. It is assumed that each product is stored in a predetermined area in the store.

  The information server 400 is realized by a workstation, a server, or the like, and received from the store terminal 200, a product information database (storage means) 410 that stores the identification information, customer information, and product information received from the store terminal 200 in association with each other. An event information database 420 that stores event information, a transmission / reception unit (e-mail transmission unit) 430 that transmits and receives information, and a control unit (server control unit) 440 that controls each unit are included.

  When receiving the identification information, the customer information, and the product information from the store terminal 200, the control unit 440 of the information server 400 stores the received information in the product information database 410. FIG. 2 is an explanatory diagram illustrating an example of contents stored in the product information database 410. In addition, when the control unit 440 of the information server 400 stores the information received from the store terminal 200 in the product information database 410, the e-mail address of the customer terminal 100 of the customer included in the customer information stored in the product information database 410 ID information and URL (Uniform Resource Locators) of the information server 400 are transmitted.

  Then, when the customer operates the customer terminal 100 to connect to the information server 400 based on the received URL of the information server 400 and transmits the identification information, the control unit 440 of the information server 400 adds the received identification information to the information server 400. The product information stored in the product information database 410 in association with each other is transmitted to the customer terminal 100.

  The control unit 440 of the information server 400 refers to the product information stored in the product information database 410, and determines a predetermined condition (for example, one month after the customer purchases the product or one month of the storage period) Product information indicating a purchase date and a storage deadline that matches the previous date and the like is extracted from the product information database 410. Then, the control unit 440 of the information server 400 causes the transmission / reception unit 430 to send an email to the customer terminal 100 included in the customer information associated with the extracted product information via the communication network 500. Send.

  An e-mail that prompts customers to visit the store is, for example, the customer terminal 100 of a customer who has passed a month after purchasing a product. “One month has passed since the purchase of the product. We are waiting for another visit. "The customer's terminal 100 has a storage period of one month before, and the storage period for the purchased product is one month away." "We are waiting for your visit again."

  When the transmission / reception unit 430 receives event information from the store terminal 200, the control unit 440 of the information server 400 stores the received event information in the event information database 420. Then, the control unit 440 extracts, from the product information database 410, product information that matches the product indicated by the product information included in the event information, and customer information associated with the product information. The control unit 440 causes the transmission / reception unit 430 to transmit event information via the communication network 500 to the email address of the customer terminal 100 of the customer included in the extracted customer information.

  When receiving the identification information from the store terminal 200, the control unit 440 of the information server 400 updates the information stored in the product information database 410.

  Specifically, the update of the information stored in the product information database 410 means that when the control unit 440 of the information server 400 receives the identification information from the store terminal 200, the received identification information and the product information database 410 are updated. The identification information stored in the product information database 410 is compared with the identification information stored in the product information database 410, and the identification information that does not exist in the identification information received from the store terminal 200 is associated with the identification information. Customer information and product information are deleted from the product information database 410.

  This is because the product information of the identification information that is not transmitted by the store terminal 200 is information on the product that is not stored in the store due to reasons such as disposal after the storage deadline has passed or consumption by the customer.

  The customer terminal 100 is realized by a PDA (Personal Digital Assistance) terminal having a communication function, a mobile phone, a personal computer, or the like, and transmits and receives information via the communication network 500. Specifically, e-mail transmission / reception, voice call, and the like are performed.

  The information server 400 stores identification information, which is information for identifying stored products, customer information, which is customer information, and product information, which is information indicating products purchased by the customer, in the product information database 410. The product information database 410 stores the identification information stored in the product information database 410 based on the received identification information and the received identification information. Product management for executing identification information that does not match the received identification information and processing for deleting customer information and product information associated with the identification information from the product information database 410. The program is installed.

  Next, the operation of the first exemplary embodiment of the present invention will be described with reference to the drawings. FIG. 3 is a sequence diagram for explaining the operation of the first exemplary embodiment of the present invention.

  When the customer visits the store and deposits the product purchased at the store, the store clerk inputs the customer's customer information and product information to the input unit 240 of the store terminal 200 (step S101). When the customer information and the product information are input, the control unit 250 of the store terminal 200 generates identification information (step S102).

  The control unit 250 of the store terminal 200 causes the communication unit 230 to transmit the input customer information, product information, and generated identification information to the information server 400 via the communication network 500 (step S103). In addition, the control unit 250 of the store terminal 200 stores the generated identification information in the IC tag 300 via the reader / writer 210 (step S104). The store clerk associates the IC tag 300 storing the identification information with the product purchased by the customer. Then, the product purchased by the customer is stored in a predetermined area.

  When the transmission / reception unit 430 receives customer information, product information, and identification information from the store terminal 200, the control unit 440 of the information server 400 stores them in association with the product information database 410 (step S105).

  The control unit 250 of the store terminal 200 causes the reader / writer 210 to read the identification information of each IC tag 300 (step S106). Then, the control unit 250 causes the communication unit 230 to transmit the identification information read by the reader / writer 210 to the information server 400 via the communication network 500 (step S107).

  When receiving the identification information from the store terminal 200, the control unit 440 of the information server 400 updates the information stored in the product information database 410 (step S108).

  The control unit 440 of the information server 400 refers to the product information stored in the product information database 410, and determines a predetermined condition (for example, one month after the customer purchases the product or one month of the storage period) Product information indicating the purchase date and the storage deadline that matches the previous etc. is extracted (step S109). Then, the control unit 440 of the information server 400 transmits an e-mail prompting the customer to visit the e-mail address of the customer terminal 100 included in the customer information associated with the extracted product information (step S110).

  When the customer terminal 100 receives the e-mail prompting the customer to visit the store, the customer terminal 100 displays the content of the e-mail according to the customer's operation (step S111).

  Next, an operation when the store performs an event such as a sale will be described. FIG. 4 is a sequence diagram illustrating an operation when the store performs an event such as a sale.

  A store clerk inputs event information to the input unit 240 (step S201). When the event information is input to the input unit 240, the control unit 250 of the store terminal 200 causes the communication unit 230 to transmit the input event information to the information server 400 via the communication network 500 (step S202).

  When the transmission / reception unit 430 receives event information from the store terminal 200, the control unit 440 of the information server 400 stores the received event information in the event information database 420 (step S203). Then, the control unit 440 extracts, from the product information database 410, customer information associated with product information that matches the product indicated by the product information included in the event information (step S204).

  The control unit 440 causes the transmission / reception unit 430 to transmit the event information via the communication network 500 to the email address of the customer terminal 100 of the customer included in the extracted customer information (step S205).

  Upon receiving the event information, the customer terminal 100 displays the event information according to the customer operation (step S206).

  As described above, according to this embodiment, it is possible to notify the customer of the storage period of the product purchased by the customer and managed by the store, etc., so that the service to the customer can be improved. Can do.

  Moreover, according to this embodiment, the store terminal 200 transmits the identification information stored in the IC tag 300 attached to the product managed by the store to the information server 400, and the information server 400 In order to delete the information stored in the product information database 410 based on the identification information received from the store terminal 200, the customer information corresponding to the product managed by the store is stored in the product information database 410. I can keep it.

  According to this embodiment, since the e-mail is sent to the customer according to the storage period of the product purchased by the customer and the purchase date, the frequency of communication between the store and the customer increases, and the customer's store Can be encouraged.

  Further, according to this embodiment, since information on events such as sales is provided to customers, the frequency of communication between the store and the customer increases, and the customer can be encouraged to visit the store. Since the customer can enjoy the benefits of events such as sales, customer satisfaction can be improved.

  In addition, the information server 400 may transmit the identification information of the product whose storage deadline has passed to the store terminal 200, and the store terminal 200 may display the received identification information. Then, since the store clerk can dispose of the product whose storage deadline has been exceeded based on the identification information displayed on the store terminal 200, the storage deadline of the product purchased by the customer can be easily managed.

Embodiment 2. FIG.
A second embodiment of the present invention will be described with reference to the drawings. FIG. 5 is an explanatory diagram for explaining a second embodiment of the present invention.

  The second embodiment of the present invention is different from the first embodiment in that a product weight measuring device 600 is added to the configuration of the first embodiment, and other points are different from those of the first embodiment. It is the same. Therefore, the same servers as those in the first embodiment are denoted by the same reference numerals as those in FIG.

  The product weight measuring device 600 is installed on a shelf or the like where products purchased by a customer and managed by a store are stored, and is realized by an electronic scale or the like that measures the weight of each product. The product weight measuring device 600 measures the weight of each product managed by the store and outputs it to the store terminal 200 in response to a request from the store terminal 200.

  The store clerk stores the location information, which is information for specifying the location where the product is stored on the shelf where the product purchased by the customer and managed by the store is stored, together with the customer information and the product information, at the store terminal 200. To the input unit 240. When the location information, customer information, and product information are input to the input unit 240, the control unit 250 of the store terminal 200 generates identification information.

  The control unit 250 of the store terminal 200 associates the position information input to the input unit 240 with the generated identification information and stores it in the storage device. The control unit 250 of the store terminal 200 causes the product weight measurement device 600 to measure the weight of the product stored at the position indicated by the position information stored in the storage device at a predetermined timing.

  When the weight of the product measured by the product weight measuring device 600 is equal to or greater than a predetermined weight, the control unit 250 of the store terminal 200 is associated with position information indicating the position of the product measured by the product weight measuring device 600. Identification information and weight information indicating that the weight of the product is equal to or greater than a predetermined weight is transmitted to the information server 400. When the information server 400 receives the identification information and the weight information, the information server 400 extracts customer information associated with the received identification information from the product information database 410, and transmits an e-mail prompting the customer to the customer terminal 100.

  Specifically, the e-mail for encouraging customers to visit the store is, for example, “There are still a lot of merchandise that we have received. We are looking forward to your visit again”. The customer terminal 100 displays the contents of the received e-mail.

  As described above, according to this embodiment, the product weight measuring apparatus 600 recognizes the remaining amount of the product by measuring the weight of the product, and the information server 400 sends the product with a large remaining amount to the store. Since an e-mail for encouraging customers to visit the store is transmitted to the customer terminal 100 of the customer who has been deposited, information on the remaining amount of the product can be provided to the customer. Further, the customer can know information on the remaining amount of the purchased product.

  Note that this embodiment may be combined with the first embodiment. Specifically, for example, when the weight of the product measured by the product weight measuring device 600 is equal to or less than a predetermined weight, the control unit 250 of the store terminal 200 is the product targeted for an event such as a sale. Event information and weight information indicating that the weight of the product is equal to or less than a predetermined weight may be transmitted to the information server 400.

  Then, the information server 400 may transmit the event information and an e-mail prompting the customer to the customer terminal 100. Specifically, the information server 400 says, “There are fewer items left over. We are selling half-price for that product next week. We are waiting for another visit. You may send an e-mail such as “Masu”. Then, the store can prompt the customer to visit the store again.

  The present invention can be applied to a system that manages customers in stores that store products purchased by customers.

It is explanatory drawing which shows one structural example of the 1st Embodiment of this invention. It is explanatory drawing which shows an example of the content which the merchandise information database has memorize | stored. It is a sequence diagram explaining operation | movement of the 1st Embodiment of this invention. It is a sequence diagram explaining operation | movement when a store performs events, such as a sale. It is explanatory drawing explaining the 2nd Embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 100 Customer terminal 200 Store terminal 210 Reader / writer 220 Memory | storage part 230 Communication part 240 Input part 250 Control part 300 IC tag 400 Information server 410 Goods information database 420 Event information database 430 Transmission / reception part 440 Control part 500 Communication network 600 Goods weight measuring apparatus

Claims (11)

A store terminal including input means for inputting customer information which is customer information and product information which is information indicating a product purchased by the customer;
An information server including storage means for storing the identification information, the customer information, and the product information in association with each other;
The store terminal stores identification information that is information for identifying a product stored in the terminal control unit that generates the identification information, and the identification information generated by the terminal control unit, and is attached to the product. Writing means to be stored in the IC tag, reading means for reading the identification information stored in the IC tag, identification information generated by the terminal control means, identification information read by the reading means, input to the input means Transmission means for transmitting the customer information and the product information to the information server,
The information server is a server that deletes the identification information generated by the terminal control unit, the customer information, and the product information from the storage unit based on the identification information read by the reading unit received from the store terminal. A product management system comprising a control means. The server control means of the information server compares the identification information generated by the terminal control means stored in the storage means with the identification information read by the reading means received from the store terminal, and the storage means stores the identification information. Among the identification information generated by the terminal control means, the identification information generated by the terminal control means that does not match the identification information read by the reading means received from the store terminal is associated with the identification information. The product management system according to claim 1, wherein customer information and product information are deleted from the storage unit. The input means of the store terminal inputs product information including the storage period of the product and customer information including the email address of the customer's terminal,
3. The product management system according to claim 1, wherein the information server includes an e-mail transmission unit that transmits an e-mail according to a storage deadline of a product included in the product information received from the store terminal to a customer terminal. The input means of the store terminal inputs the product information including the purchase time of the product and the customer information including the email address of the customer's terminal,
The information server includes an e-mail transmission unit that transmits an e-mail according to a purchase time of a product included in the product information received from the store terminal to a customer's terminal. Product management system described. The input means of the store terminal inputs event information, which is information on events performed at the store, and customer information including the e-mail address of the customer's terminal, and the transmitting means inputs the event information input to the input means. To the information server,
The server control means of the information server extracts customer information from the storage means according to the content of the event information, and the e-mail transmission means sends the e-mail address of the customer terminal included in the customer information extracted by the server control means to the e-mail address. The product management system according to any one of claims 1 to 4, wherein a mail is transmitted. The input means of the store terminal inputs event information including product information related to the event,
The product management system according to claim 5, wherein the server control unit of the information server extracts, from the storage unit, customer information associated with product information indicating a product that matches the product related to the event included in the event information. Input means for inputting customer information, which is customer information, and product information, which is information indicating a product purchased by the customer;
Terminal control means for generating identification information, which is information for identifying stored products,
Writing means for storing the identification information generated by the terminal control means in an IC tag;
Reading means for reading the identification information stored in the IC tag;
A store terminal comprising: identification information generated by the terminal control means, identification information read by the reading means, customer information input to the input means, and transmission means for transmitting the product information. Storage means for storing identification information, which is information for identifying stored products, customer information, which is customer information, and product information, which is information indicating products purchased by the customer, in association with each other;
An information server comprising server control means for deleting the identification information stored in the storage means, the customer information, and the product information from the storage means based on the received identification information. The server control means compares the identification information stored in the storage means with the received identification information, and the identification information that does not match the received identification information among the identification information stored in the storage means. The information server according to claim 8, wherein information, customer information and product information associated with the identification information are deleted from the storage unit. On the computer,
Processing for associating and storing in the storage means identification information that is information for identifying stored products, customer information that is customer information, and product information that is information indicating products purchased by the customer;
Processing to receive identification information;
Based on the received identification information, the identification information stored in the storage means is compared with the received identification information, and among the identification information stored in the storage means, the received identification information and A product management program for executing the processing for deleting the identification information that does not match, the customer information and the product information associated with the identification information from the storage means. Enter customer information, which is customer information, and product information, which is information indicating products purchased by the customer,
Generate identification information that is information that identifies the product you are storing,
The identification information, the customer information, and the product information are associated with each other and stored in a storage unit,
Storing the identification information in an IC tag;
Read the identification information stored in the IC tag,
Send the generated identification information, the read identification information, the input customer information, and the product information,
A product management method comprising: deleting the identification information stored in the storage unit, the customer information, and the product information from the storage unit based on the received read identification information.

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