WO2021079719A1 - Management server, management system, control method, and storage medium - Google Patents

Abstract

A management server 2A includes a reception unit 81, a generation unit 82, a holding unit 83, and a transmission unit 84. The reception unit 81 receives, from a portable terminal 3A used by a customer, product identification information indicating a product planned to be purchased in a store that the customer has entered. The generation unit 82 generates a purchase product list, which is a list of products planned to be purchased, on the basis of the product identification information. If the ending of an application that controls the transmission of product identification information by the portable terminal 3A and the display of the portable terminal 3A is detected while the purchase product list is not settled, the holding unit 83 holds the purchase product list until restart of the application is detected. The transmission unit 84 transmits the purchase product list information to the portable terminal 3A after the application has restarted.

Description

Management server, management system, control method and storage medium

The present invention relates to updating member information.

As a product sales system for customers who visit the store to purchase products, a system is known in which the customer reads the bar code of the product, registers the product, and makes a payment using a mobile terminal such as a smartphone owned by the customer. There is. For example, Patent Document 1 describes a mobile terminal that acquires product information of a product to be purchased and transmits settlement information including all the acquired product information to a management server, and based on the product information included in the settlement information. , A self-shopping system including a management server that generates and outputs sort detail information in which each product name is listed in descending order of price is disclosed.

Further, Patent Document 2 describes an update process of the amount information stored in the storage medium based on the history information of the amount information acquired from the storage medium that performs non-contact communication with the user terminal device in the settlement of digital contents and the like. A payment server device for determining the presence or absence of such a defect is disclosed.

Japanese Unexamined Patent Publication No. 2013-41354 Japanese Unexamined Patent Publication No. 2018-110024

In a system in which a customer reads a barcode of a product using a mobile terminal to register the product and make a payment, the product is forcibly terminated when the application that controls the mobile terminal used by the customer is forcibly terminated before making a payment. I had to re-register. Patent Document 1 and Patent Document 2 do not disclose any processing when the application of the mobile terminal is terminated before the settlement.

An object of the present invention is a management server, management system, control method and storage medium capable of smoothly resuming shopping even if the application of the mobile terminal used for shopping is terminated before payment for some reason. Is to provide.

One aspect of the management server is a management server, which is a receiving unit that receives product identification information from a mobile terminal used by the customer, and a list of the products that the customer plans to purchase based on the product identification information. When the generation unit that generates the purchased product list and the termination of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal are detected in the unsettled state of the purchased product list. It has a holding unit that holds the purchased product list until the restart of the application is detected, and a transmitting unit that transmits information about the purchased product list to the mobile terminal after the restart of the application.

One aspect of the control method is a control method executed by a management server, in which product identification information is received from a mobile terminal used by a customer, and the product to be purchased by the customer based on the product identification information. When the purchase product list is generated and the end of the application that controls the transmission of the product identification information and the display of the purchase product list on the mobile terminal is detected in the unsettled state, the purchase product list is generated. The purchased product list is retained until the restart of the application is detected, and after the restart of the application, information regarding the purchased product list is transmitted to the mobile terminal.

One aspect of the storage medium is a receiving unit that receives product identification information from a mobile terminal used by the customer, and a purchased product list that is a list of the products that the customer plans to purchase based on the product identification information. When the generation unit to be generated and the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal are detected in the unsettled state of the purchased product list, the application is restarted. A storage medium that stores a holding unit that holds the purchased product list until it is detected, and a program that functions the computer as a transmitting unit that transmits information about the purchased product list to the mobile terminal after the application is restarted. is there.

According to the present invention, even if the application of the mobile terminal used for shopping is terminated before payment for some reason, the customer can smoothly resume shopping.

The configuration of the management system according to the first embodiment is shown. The schematic configuration of the POS server is shown. The outline configuration of the management server is shown. The outline configuration of the mobile terminal is shown. The outline configuration of the member server is shown. The outline structure of the accounting machine is shown. It is a flowchart of a product purchase process. It is a flowchart of a store entry process. It is a flowchart of a product selection process. This is a display example of the purchased product list screen. It is a flowchart of accounting processing. This is a display example of the payment method selection screen. This is an example of the display screen of an accounting machine. This is an example of a flowchart showing the procedure of unsettled processing. This is an example of the display screen of the mobile terminal when the dedicated application is stopped. This is an example of the display screen of the mobile terminal after the dedicated application is restarted. This is an example of a display screen of a mobile terminal when an abnormal state in unsettled payment is detected. This is an example of a display screen displayed by a mobile terminal when conducting electronic commerce using a dedicated application. A schematic configuration of the management server according to the second embodiment is shown.

Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

<First Embodiment>
(1) Configuration of Management System FIG. 1 shows the configuration of the management system 100 according to the present embodiment. The management system 100 mainly includes a POS server 1, a management server 2, a mobile terminal 3, a member server 4, and an accounting machine 5. In the management system 100, the customer who uses the mobile terminal 3 reads the product barcode 7 attached to the product in the store 8 where the product is sold, so that the customer plans to purchase the product (also referred to as “purchased product”). Is registered, and payment is made using the accounting machine 5 in the store 8 or by electronic payment.

The POS server 1 is a server that manages various sales information such as product information including prices, inventory status, etc. of products sold at the store 8, and sales information of the store 8. The POS server 1 can communicate with the management server 2 and the accounting machine 5 via a network or the like. The POS server 1 may collectively manage the sales information of a plurality of affiliated stores, or may exist for each store and manage only the sales information of that store.

The management server 2 is a server device that controls the mobile terminal 3 and the accounting machine 5, and can communicate with the mobile terminal 3, the member server 4, and the accounting machine 5 via a network or the like. The management server 2 acquires and stores information necessary for display control of the mobile terminal 3 from the POS server 1. The management server 2 transmits display information for the mobile terminal 3 to display various screens to the mobile terminal 3. On the above-mentioned various screens, a screen (“purchased product list screen”” is displayed in which a list of purchased products (referred to as “purchased product list”) registered by the mobile terminal 3 reading the product barcode 7 is displayed together with the selling price. Also called.) Is included. Further, the management server 2 acquires information about the member from the member server 4 and transmits information for updating the information stored in the member server 4 to the member server 4.

The management server 2 may be composed of a plurality of server devices. For example, the management server 2 stores a server device that mainly performs interface operations with the mobile terminal 3 such as data exchange with the mobile terminal 3, and various information such as information acquired from the POS server 1 and a list of purchased products. It may be composed of a server device to be managed. In this case, the former server device functions as a so-called application server, and the latter server device functions as a so-called database server. In this case, each of these server devices exchanges information necessary for executing the assigned process via a network or the like.

The mobile terminal 3 is a mobile terminal used by a customer who shop at a store 8, and has a function of reading a product barcode 7 attached to a product and various screens such as a purchased product list screen by communicating with a management server 2. Has a function to acquire and display. In FIG. 1, for convenience of explanation, only one mobile terminal 3 is displayed, but there are actually as many customers as there are customers in the store 8.

The member server 4 stores information about the member and information about the membership card issued to the member. The member server 4 can communicate with the management server 2 via a network or the like. The management server 2 may function as a member server 4. In this case, the management server 2 stores information about the member and the membership card stored in the member server 4.

The accounting machine 5 is a payment machine (so-called self-payment machine) for customers to make payments using the mobile terminal 3. The accounting machine 5 can communicate with the management server 2, and exchanges various information necessary for settlement with the management server 2 and, if necessary, with the POS server 1. The accounting machine 5 includes a barcode reader 56 for reading an accounting barcode, which will be described later, from a customer's mobile terminal 3, and a light 57 for calling a clerk.

(2) Device Configuration Next, the configurations of the POS server 1, the management server 2, the mobile terminal 3, the member server 4, and the accounting machine 5 will be described with reference to FIGS. 2 to 6.

(2-1) POS server FIG. 2 shows a schematic configuration of the POS server 1. The POS server 1 mainly includes a storage unit 13, a communication unit 14 that performs data communication, and a control unit 15. These elements are connected to each other by a bus line 10.

The storage unit 13 is composed of a memory such as a hard disk or a flash memory. The storage unit 13 stores a program executed by the control unit 15 and information necessary for the control unit 15 to execute a predetermined process by executing the program. In the present embodiment, the storage unit 13 includes the selling price change information 17, the product information DB (Database) 18, and the sales information 19 which is information on the sales of the product. The storage unit 13 may store various sales-related information other than the selling price change information 17, the product information DB 18, and the sales information 19.

The product information DB 18 is a database of information about products handled by the store 8 or affiliated stores including the store 8. The product information DB 18 includes various information such as a product price, information for identifying a product such as a JAN (Japanese Article Number) code (also referred to as "product identification information"), product classification information, and product inventory status. Contains information.

The selling price change information 17 is information related to the change in the selling price. Specifically, the selling price change information 17 includes classification discount information, bundle discount information, set discount information, total discount information, classification discount information, bundle discount information, set discount information, and total discount information. Contains at least one of any discount information or discount information, such as.

The control unit 15 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like (not shown), and performs various controls on each component in the POS server 1. For example, the control unit 15 updates the sales information 19 by communicating with the accounting machine 5 via the communication unit 14. Further, the control unit 15 transmits information regarding the selling price change information 17 and the product information DB 18 to the management server 2 by communicating with the management server 2 via the communication unit 14.

(2-2) Management Server FIG. 3 shows a schematic configuration of the management server 2. The management server 2 mainly includes a storage unit 23, a communication unit 24, and a control unit 25. Each of these elements is connected to each other via a bus line 20.

The storage unit 23 is composed of a memory such as a hard disk or a flash memory. The storage unit 23 stores a program executed by the control unit 25 and information necessary for the control unit 25 to execute a predetermined process by executing the program. In the present embodiment, the storage unit 23 stores the selling price change information 27, the product information DB 28, and the purchased product list DB 29.

Similar to the selling price change information 17, the selling price change information 27 is information related to a change in the selling price due to a discount or discount. The selling price change information 27 is updated periodically or irregularly so as to be synchronized with the selling price change information 17 stored in the POS server 1 based on the control of the control unit 25. Like the product information DB 18, the product information DB 28 is a database of information about the product. The product information DB 28 is updated periodically or irregularly so as to be synchronized with the product information DB 18 stored in the POS server 1 based on the control of the control unit 25.

The purchased product list DB 29 is a database of unsettled purchased product lists for each mobile terminal 3 of the customer who is shopping at the store 8. The purchased product list is, for example, a list including product identification information indicating a product to be purchased (that is, unsettled) and a planned purchase quantity of the product, and identifies a mobile terminal 3 or a customer who uses the mobile terminal 3. It is associated with information (also called "customer identification information"). The customer identification information may be any information that can uniquely identify the customer, may be the card number of the membership card given to the target customer, may be the identification information of the dedicated application described later, and may be a mobile phone. It may be information that identifies the terminal 3. Then, the purchased product list is updated every time an addition, deletion, or quantity change of purchased products is performed based on the operation of the mobile terminal 3.

Further, the storage unit 23 stores the position information represented by the absolute coordinates for specifying the area of the store 8 (specifically, the area where shopping is performed at the store 8). This position information is used for determining whether or not the mobile terminal 3 has gone out of the store 8, as will be described later.

The communication unit 24 communicates with the POS server 1, the mobile terminal 3, and the accounting machine 5 by wired or wireless communication. The control unit 25 includes a CPU, ROM, RAM, and the like (not shown), and performs various controls on each component in the management server 2. The process executed by the control unit 25 will be described later.

(2-3) Mobile terminal FIG. 4 shows a schematic configuration of the mobile terminal 3. The mobile terminal 3 mainly includes a display unit 31, an input unit 32, a storage unit 33, a communication unit 34, a control unit 35, and a reading unit 36. Each of these elements is connected to each other via a bus line 30.

The display unit 31 displays various information such as a purchased product list and an accounting barcode based on the control of the control unit 35. The input unit 32 is an interface that accepts user input, and corresponds to, for example, a touch panel, a button, a voice input device, and the like.

The storage unit 33 is composed of a memory such as a hard disk or a flash memory. The storage unit 33 stores a program executed by the control unit 35 and information necessary for the control unit 35 to execute a predetermined process by executing the program. For example, the storage unit 33 stores an application program (hereinafter, also referred to as a “dedicated application”) provided by the store 8 or a company (organization) that manages the store 8. The dedicated application is activated when shopping at the store 8 and controls the display of various screens such as the purchased product list screen.

The communication unit 34 communicates with the management server 2 by wireless communication. The control unit 35 includes a CPU, ROM, RAM, and the like (not shown), and performs various controls on each component in the mobile terminal 3. The control unit 35 controls the display unit 31, the communication unit 34, the reading unit 36, and the like, and functions as an “acquisition unit”, a “transmission unit”, and a “display control unit”. The control executed by the control unit 35 will be described later.

The reading unit 36 is an optical device such as a camera, reads the product barcode 7 attached to the product, and supplies the read information to the control unit 35. In the present embodiment, the control unit 35 acquires product identification information such as a JAN code from the product barcode 7 attached to the product based on the information output by the reading unit 36.

(2-4) Member server FIG. 5 shows a schematic configuration of the member server 4. The member server 4 mainly includes a storage unit 43, a communication unit 44, and a control unit 45. Each of these elements is connected to each other via a bus line 40.

The storage unit 43 is composed of a memory such as a hard disk or a flash memory. The storage unit 43 stores a program executed by the control unit 45 and information necessary for the control unit 45 to execute a predetermined process by executing the program. In the present embodiment, the storage unit 43 mainly stores the member information DB 47 and the card information DB 48.

The member information DB 47 is a database of member information which is information for each member who has performed the member procedure. The member information includes, for example, general attribute information such as name, gender, date of birth, and member-specific attribute information such as card number, member rank, and accumulated points. The card number is an identification number of a membership card, and the membership card is, for example, a point card given by offering to become a member at a counter or the like provided in a store 8. To grant a membership card, the applicant is required to fill out an application form for entering personal information such as a name. A card number assigned to the card and a personal identification number (PIN code) for determining the validity of the card number are printed on the membership card. In addition, there are a main member who is a normal member who is not subordinate to other members and a family member who has a subordinate relationship with the main member, and a membership card is given to the main member. Includes cards and family cards granted to family members. The main member and family members share points given according to shopping, etc.

Card information DB48 is a database related to membership cards. For example, the card information DB 48 includes a combination of a card number assigned to a membership card that can be issued and a personal identification number for authenticating the validity of the card number. In addition, the card information DB 48 includes information on the validity of each membership card. In addition, the card number of the family card that can be issued is associated with the card number of the main membership card that shares points with the family card.

The purchase history DB 49 is a database of purchase history information generated based on the list of purchased products for which payment has been made. The purchase history information is generated for each purchase product list for which payment has been made, and the purchase product list for which payment has been made, information about the customer (for example, customer identification information), and information regarding payment are associated with each other. The information regarding the settlement includes, for example, information such as the date and time when the settlement was made, the store where the settlement was made, the price of the product at the time of settlement, and the total amount. The purchase history DB 49 may be held by the management server 2 instead of the member server 4.

The communication unit 44 communicates with the management server 2 and the like by wired or wireless communication. The control unit 45 includes a CPU, ROM, RAM, and the like (not shown), and performs various controls on each component in the member server 4.

(2-5) Accounting Machine FIG. 6 shows a schematic configuration of the accounting machine 5. The accounting machine 5 mainly includes a display unit 51, an input unit 52, a storage unit 53, a communication unit 54, a control unit 55, a bar code reader 56, a light 57, and a speaker 58. Each of these elements is connected to each other via a bus line 50.

The display unit 51 displays various information such as a payment method selection screen and an end screen based on the control of the control unit 55. The input unit 52 is an interface that accepts customer input, and corresponds to, for example, a touch panel, a button, or the like.

The storage unit 53 is composed of a memory such as a hard disk or a flash memory. The storage unit 53 stores a program executed by the control unit 55 and information necessary for the control unit 55 to execute a predetermined process by executing the program. For example, the storage unit 53 stores a dedicated application program that operates when a customer makes a payment and performs accounting processing.

The control unit 55 includes a CPU, ROM, RAM, etc. (not shown), and performs various controls on each component in the accounting machine 5. The control executed by the control unit 55 will be described later. The bar code reader 56 reads the checkout bar code displayed on the customer's mobile terminal 3 at the time of checkout, and supplies the read information to the control unit 55. The light 57 is turned on when a problem occurs in the accounting machine 5 or when a clerk is called. The speaker 58 outputs an operation sound, a voice message, or the like for calling attention as needed.

(3) Product purchase process Next, an outline of the product purchase process by the management system 100 will be described. The product purchase process is a process in which a customer purchases a product at a store 8 using a mobile terminal 3. FIG. 7 is a flowchart showing an outline of the product purchase process. The product purchase process is roughly classified into a store entry process S100, a product selection process S200, and an accounting process S300. The product purchase process is mainly realized by the management server 2, the mobile terminal 3, and the accounting machine 5 executing programs prepared in advance.

(3-1) Store entry process First, the store entry process will be described. The store entry process is a process performed prior to the purchase of a product when a customer enters the store 8, and corresponds to preparation for the purchase of the product. FIG. 8 is a flowchart showing an example of the store entry process. This process is performed by the mobile terminal 3 and the management server 2.

First, when the customer enters the store 8, the customer reads the store barcode using the mobile terminal 3 (step S101). The store barcode is affixed to a predetermined place in the store 8, for example, a wall near the entrance of the store, a card used for shopping, or the like. When the customer reads the store barcode, the mobile terminal 3 acquires the store ID from the read store barcode and transmits it to the management server (step S102). When the mobile terminal 3 transmits the store ID, the mobile terminal 3 also transmits the customer identification information that identifies the customer who uses the mobile terminal 3 or the mobile terminal 3. In the product selection process and the accounting process described below, the mobile terminal 3 basically transmits the customer identification information for identifying itself when transmitting some information to the management server 2.

The management server 2 receives the store ID from the mobile terminal 3 and acquires the selling price list of the store from the product information DB 28 (step S104). This is because the selling price of the product is different for each store. Then, the management server 2 transmits the store information including the store name and the sale information of the store to the mobile terminal 3 (step S105), and the mobile terminal 3 receives the store information (step S106). As a result, the current store name, sale information of the store, and the like are displayed on the display unit 31 of the mobile terminal 3, and the customer can start shopping. The store information transmitted by the management server 2 includes information indicating the transaction status of the customer at the store, and when a new shopping is started at the store, the transaction status becomes new. On the other hand, when the customer interrupts shopping at the store for some reason, the purchased product list screen corresponding to the transaction state up to that point is displayed on the mobile terminal 3.

(3-2) Product selection process Next, the product selection process will be described. The product selection process is a process in which a customer reads a product barcode attached to a product using the mobile terminal 3 and registers the product in the purchased product list. FIG. 9 is a flowchart of the product selection process. This process is executed by the mobile terminal 3 and the management server 2.

First, when the customer finds the product he / she wants to purchase, he / she puts the mobile terminal 3 into the product reading mode and reads the product barcode attached to the product by the mobile terminal 3 (step S201: Yes). The mobile terminal 3 transmits the read product identification information of the product to the management server 2 (step S202). At this time, the quantity of the product is automatically set to "1". When the management server 2 receives the product identification information from the mobile terminal 3 (step S203), the management server 2 updates the purchased product list and transmits it to the mobile terminal 3 (step S204). The mobile terminal 3 receives the updated purchase product list and displays it on the display unit 31 (step S205). As a result, the newly added product and its quantity are added to the purchased product list and displayed on the mobile terminal 3.

Next, when the customer operates the mobile terminal 3 to change the quantity of the product as necessary, the mobile terminal 3 acquires the changed quantity (step S206: Yes). When the product barcode is first read, the quantity of the product is automatically set to "1", but when the customer purchases the same product more than once, the mobile terminal 3 is operated to set the quantity. Can be changed. When the changed quantity is set, the mobile terminal 3 transmits the product identification information of the product to be changed and the changed quantity to the management server 2 (step S207).

When the management server 2 receives the product identification information and the changed quantity from the mobile terminal 3 (step S208), it updates the purchased product list and transmits it to the mobile terminal 3 (step S209). The mobile terminal 3 receives the updated purchased product list and displays it on the display unit 31 (step S210). As a result, the quantity change is reflected in the purchased product list.

Next, the mobile terminal 3 determines whether or not the payment button has been pressed by the customer (step S211). The payment button is a button that the customer presses when completing the purchase. If the payment button is not pressed (step S211: No), the process returns to step 201. In this way, customers can add products, change quantities, and continue shopping until they press the payment button. Then, when the payment button is pressed (step S211: Yes), the product selection process ends.

FIG. 10 shows a display example of the purchased product list screen displayed on the mobile terminal 3. In this example, the purchased product list screen has a product reading button 90, a list display field 91, a subtotal display field 92, a total amount display field 93, a home screen transition button 94, a payment button 95, and a transaction cancellation button. Has 96 and.

When the mobile terminal 3 detects that the product reading button 90 has been selected by a tap operation or the like, the mobile terminal 3 switches the display of the display unit 31 to the product reading screen. On the product reading screen, the mobile terminal 3 displays an image or the like acquired from the activated reading unit 36. As a result, the customer can move the product or the mobile terminal 3 so that the product barcode 7 is located within the reading range of the reading unit 36, and can read the product barcode 7.

In the list display column 91, the name, quantity, and price of the purchased product are displayed for each purchased product. In addition, a quantity decrease button 97 and a quantity increase button 98 are displayed for each purchased product in the list display field 91. Then, when the mobile terminal 3 accepts a change in the quantity of the purchased product by pressing the quantity decrease button 97 or the quantity increase button 98, for example, the management server 2 manages the product identification information of the purchased product whose quantity has been changed and the changed quantity. Send to.

The subtotal display column 92 displays the subtotal of the selling price excluding tax for all the products in the purchased product list, and the total amount display column 93 displays the total amount of the selling price including tax for all the products in the purchased product list. The management server 2 calculates these subtotals or total amounts based on the prices of the purchased products registered in the product information DB 28, specifically, the selling price list of the store acquired by the store entry process.

When the mobile terminal 3 detects that the home screen transition button 94 has been selected, it transmits a home screen display request to the management server 2 and displays a predetermined home screen based on the display information received as a response. The home screen may display information on discounts and discounts at the store 8, customer registration information on the mobile terminal 3, and the like.

When the mobile terminal 3 detects that the payment button 95 is selected, it transmits an accounting request to the management server 2, and displays a payment screen including an accounting barcode screen described later based on the display information received as the response. To do. Further, when the mobile terminal 3 detects that the transaction cancellation button 96 is selected, the mobile terminal 3 transmits information for notifying the transaction cancellation to the management server 2. In this case, the management server 2 deletes the purchased product list corresponding to the mobile terminal 3.

(3-3) Accounting processing Next, accounting processing will be described. The accounting process is a process of paying for a product selected by a customer by a product selection process. FIG. 11 is a flowchart of accounting processing. This process is executed by the mobile terminal 3, the management server 2, and the accounting machine 5.

First, when the payment button 95 described above is pressed, the mobile terminal 3 transmits an accounting request to the management server 2 (step S301). When the management server 2 receives the accounting request (step S302), the management server 2 calculates the payment amount based on the purchased product list at that time (step S303). Further, the management server 2 generates an accounting barcode (step S304). The accounting barcode is information that uniquely identifies the purchase indicated by the current list of purchased products. In one example, the accounting barcode can be a random code uniquely associated with the purchase content at that time. In this case, the accounting barcode has a meaning as an inquiry number for payment information. The management server 2 transmits a payment screen including the payment amount calculated in step S303 and the accounting barcode generated in step S304 to the mobile terminal 3 (step S305).

The mobile terminal 3 displays the received payment screen on the display unit 31. FIG. 12 is a display example of the payment screen. In this example, the payment screen includes an accounting barcode 37, a total amount field 38, and a completion button 39. The customer moves to the accounting machine 5 with the mobile terminal 3 on which the payment screen is displayed, and reads the accounting barcode with the barcode reader 56 (step S307). The accounting machine 5 displays a payment method selection screen based on the read accounting barcode (step S308). Specifically, the accounting machine 5 transmits the inquiry number indicated by the accounting barcode to the management server 2 and acquires payment information. The payment information includes details such as the total amount and the IDs and quantities of all the products in the purchased product list. The accounting machine 5 displays a payment method selection screen based on the acquired payment information.

FIG. 13A shows a display example of the payment method selection screen. The payment method selection screen includes a total amount field 61, a cash button 62, and a credit button 63. The customer confirms the payment amount by looking at the payment method selection screen, and presses either the cash button 62 or the credit button 63 to make the payment. As a result, the purchase price is settled (step S309). Specifically, when the customer chooses to pay in cash, the accounting machine 5 prompts the customer to insert cash into the cash slot, and when the cash is inserted, pays change as needed. Further, when the customer chooses to pay by credit, the accounting machine 5 prompts the insertion of the card, prompts the input of a personal identification number or the like as necessary, and performs the credit settlement.

When the settlement is completed, the accounting machine 5 displays the accounting end screen. FIG. 13B shows a display example of the accounting end screen. In this example, the accounting end screen includes a payment information field 64, a receipt button 65, and an end button 66. Note that FIG. 13B is an example when the customer selects credit card payment, and the payment information column 64 displays information such as the payment amount and the payment method. The receipt button 65 is a button for printing out a receipt. The end button 66 is a button for confirming that the customer has completed the accounting process. When the customer presses the end button 66, the accounting machine 5 reports to the management server 2 that the settlement has been completed, and returns the display of the display unit 51 to the main menu. The completion button 39 is also displayed on the payment screen shown in FIG. 12, and the customer presses the completion button 39 on the payment screen when the accounting process is completed. When the completion button 39 is pressed, the mobile terminal 3 reports to the management server 2 that the payment has been completed, and returns the display unit 31 to the main menu.

In the above example, the accounting barcode is simply an inquiry number for payment information, and the accounting machine 5 uses this inquiry number to acquire payment information from the management server 2. Instead, the accounting barcode may include payment information. That is, the management server 2 generates an accounting barcode using the total amount and the detailed information of the purchased products based on the contents of the purchased product list at that time. In this case, the accounting machine 5 can acquire the payment information by reading and decoding the accounting barcode, so that it is not necessary to communicate with the management server 2 in order to acquire the payment information. That is, the accounting machine 5 may extract the total amount from the read accounting barcode and display the payment method selection screen.

(4) non-payment processing will now be described unsettled process, which is a management server 2 performs processing at the time of occurrence of an abnormality when the purchased product list of outstanding exists.

(4-1) Overview When the management server 2 detects the termination of the dedicated application of the mobile terminal 3 used by the customer who has an unsettled purchased product list, the purchased product list is not deleted from the purchased product list DB 29. Hold on. Then, when the management server 2 detects the restart of the dedicated application on the target mobile terminal 3, the management server 2 transmits the information of the retained unsettled purchased product list to the mobile terminal 3, so that the dedicated application is immediately before the end. The purchased product list is displayed on the mobile terminal 3. By doing so, the management server 2 can allow the customer to smoothly resume shopping by restarting the dedicated application even if the dedicated application is terminated during shopping for some reason.

In addition, when the dedicated application is terminated while the unsettled purchased product list exists, the management server 2 notifies that the unsettled purchased product list exists at a predetermined time interval until the dedicated application is restarted. Is output to the mobile terminal 3. As a result, the management server 2 can notify the customer of the existence of the unsettled purchased product list and preferably prompt the customer to resume shopping and settle.

In addition, the management server 2 detects that the unsettled purchased product list is not updated for a predetermined time or more, or that the mobile terminal 3 goes out of the store 8 in the presence of the unsettled purchased product list. , The mobile terminal 3 is made to output a notification regarding the list of unsettled purchased products. In this way, the management server 2 can output a notification to the mobile terminal 3 when it detects an abnormal state in the unsettled state.

(4-2) Processing Flow FIG. 14 is an example of a flowchart showing a procedure of unsettled processing executed by the management server 2. For example, the management server 2 executes the processing of the flowchart shown in FIG. 14 for each customer whose settlement has not been completed after the execution of the store entry processing shown in FIG. The unsettled process shown in FIG. 14 includes a process executed by the management server 2 in the product selection process shown in FIG. 9 for convenience of explanation.

First, the mobile terminal 3 used by the customer activates the dedicated application of the mobile terminal 3 to establish communication with the management server 2, and then processes the flowchart of the store entry process shown in FIG. Then, when the customer finds the product he / she wants to purchase, the mobile terminal 3 is set to the product reading mode, and the mobile terminal 3 reads the product barcode attached to the product. The mobile terminal 3 transmits the read product identification information of the product to the management server 2.

Then, the management server 2 determines whether or not the product identification information has been received from the mobile terminal 3 (step S401). Then, when the management server 2 receives the product identification information from the mobile terminal 3 (step S401; Yes), the management server 2 updates the purchased product list and transmits the updated purchased product list to the mobile terminal 3 (step S402). Here, when the purchased product list for the target customer is not registered in the purchased product list DB 29, the management server 2 uses the purchased product list as an element of the received product identification information as the customer identification information of the target customer. It is registered in the purchased product list DB29 in association with. When the management server 2 receives the information of the quantity to be changed together with the product identification information from the mobile terminal 3 in step S401, the management server 2 changes the quantity of the product indicated by the designated product identification information in step S402. The process of step S401 corresponds to the process of step S203 and step S208 of the product selection process shown in FIG. 9, and the process of step S402 corresponds to the process of step S204 and step S209.

Next, the management server 2 determines whether or not the dedicated application of the mobile terminal 3 has ended (step S403). For example, the management server 2 determines that the dedicated application has ended when the communication connection established with the dedicated application of the mobile terminal 3 is disconnected. In another example, the management server 2 determines that the dedicated application has ended when it no longer receives the information transmitted from the mobile terminal 3 while the dedicated application is operating. In addition to the case where the dedicated application is terminated due to the customer's operation on the mobile terminal 3, for example, due to an interruption of another application of the mobile terminal 3 (for example, an incoming call) or a freeze of the dedicated application. Including the case of forced termination. An example in which the dedicated application is terminated due to the customer's operation on the mobile terminal 3 is, for example, when the dedicated application is terminated due to an erroneous operation, the shopping basket is temporarily placed at the service counter of the store 8 due to an emergency. In some cases, the customer may leave the store 8 by temporarily terminating the dedicated application.

Then, when the management server 2 determines that the dedicated application of the mobile terminal 3 has ended (step S403; Yes), the management server 2 continues to hold the unsettled purchased product list of the target customer (step S404). Specifically, the management server 2 continues to store the purchased product list of the target customer in the purchased product list DB 29 without deleting it from the purchased product list DB 29. In this case, for example, the management server 2 may add flag information or the like indicating that the dedicated application has ended to the purchased product list of the target customer.

Then, the management server 2 outputs a notification to the mobile terminal 3 at a predetermined time interval until the dedicated application of the mobile terminal 3 used by the target customer is restarted (step S405). The above-mentioned predetermined time interval is, for example, a predetermined time interval and is stored in the storage unit 23 or the like. In step S405, for example, the management server 2 transmits notification information to the mobile terminal 3 that there is an unsettled purchased product list, and the push notification function displays the notification information on the screen of the mobile terminal 3. Display it. As a result, the management server 2 can continuously make the customer who uses the mobile terminal 3 recognize the existence of the unsettled purchased product list.

Then, the management server 2 determines whether or not the dedicated application of the mobile terminal 3 used by the target customer has been restarted (step S406). For example, when the management server 2 reestablishes communication with the dedicated application of the mobile terminal 3 used by the target customer, or when it receives predetermined information transmitted when the dedicated application is operating, the target It is determined that the dedicated application of the mobile terminal 3 has been restarted. Then, when the dedicated application of the mobile terminal 3 is not restarted (step S406; No), the management server 2 continues the processes of steps S404 and S405.

On the other hand, when the management server 2 detects that the dedicated application of the mobile terminal 3 used by the target customer has been restarted (step S406; Yes), the management server 2 displays the purchased product list corresponding to the target customer on the target mobile phone. It is transmitted to the terminal 3 (step S407). In this case, the management server 2 extracts the purchased product list associated with the customer identification information of the target customer from the purchased product list DB 29, and transmits the information of the purchased product list to the target mobile terminal 3. In this case, the mobile terminal 3 displays the purchased product list screen on the dedicated application based on the information of the purchased product list received from the management server 2. As a result, even if the dedicated application is terminated during shopping for some reason, the customer can continue shopping in the state immediately before the termination of the dedicated application by restarting the dedicated application. That is, in this case, the customer does not need to perform the operation of reading the product barcode of the product put in the shopping cart again before the end of the dedicated application.

Note that the management server 2 may allow the customer of the mobile terminal 3 to select whether or not to continue shopping by using the purchased product list immediately before the end of the dedicated application after detecting the restart of the dedicated application. In this case, the management server 2 transmits the purchased product list in step S407 when the customer selects to continue shopping using the purchased product list immediately before the end of the dedicated application. A specific example of this will be described later with reference to FIG.

On the other hand, when it is determined that the dedicated application of the mobile terminal 3 has not ended (step S403; No), the management server 2 determines whether or not a predetermined time or more has passed since the last update of the purchased product list (step S408). ). That is, the management server 2 determines whether or not the process of step S402 has been performed within a predetermined time. The above-mentioned predetermined time is predetermined, for example, in consideration of the average time interval for putting products in the product basket during shopping.

Then, when a predetermined time or more has passed since the last update of the purchased product list (step S408; Yes), the management server 2 causes the mobile terminal 3 to output a notification that there is an unsettled purchased product list. (Step S409). As a result, the management server 2 preferably notifies the customer of the existence of the purchased product list that has been left unpaid, and prompts the customer to complete the payment.

On the other hand, if a predetermined time or more has not passed since the last update of the purchased product list (step S408; No), the management server 2 determines whether or not the mobile terminal 3 has gone out of the store 8 (step S410). In this case, for example, the management server 2 acquires the position information transmitted from the mobile terminal 3 and determines whether or not the position indicated by the position information is within the area of the store 8. The above-mentioned position information may be position information based on GPS radio waves, position information based on radio waves of a beacon terminal, or position information based on radio waves of wireless LAN. The location information indicating the area of the store 8 is stored in the storage unit 23 in advance, for example.

Then, when the management server 2 determines that the mobile terminal 3 has gone out of the store 8 (step S410; Yes), the management server 2 outputs a notification to the mobile terminal 3 that there is an unsettled purchased product list. (Step S409). As a result, the management server 2 can preferably prompt the customer to complete the payment for the unsettled purchased product list.

In this case, the management server 2 may send information to the terminal used by the clerk of the store 8 notifying that the customer who has the unsettled purchased product list has gone out of the store 8. .. In other words, the management server 2 may notify the terminal used by the clerk of the store 8 of the existence of the mobile terminal 3 that has gone out of the store 8. In this case, the management server 2 may include the member information recorded in the record of the member information DB 47 corresponding to the target customer in the information transmitted to the terminal used by the clerk. As a result, the management server 2 can preferably notify the clerk of the store 8 and the like of the existence of the customer who has left the store 8 without being settled.

On the other hand, when the management server 2 determines that the mobile terminal 3 is not outside the store 8 (step S410; No), or after the execution of step S407, the management server 2 has completed the shopping of the target customer. Whether or not it is determined (step S411). In this case, the management server 2 determines that the shopping has been completed when it detects that the payment for the purchased product list is completed or when it detects that the transaction cancellation is selected in the dedicated application. Then, when the shopping is completed (step S411; Yes), the management server 2 ends the processing of the flowchart. On the other hand, when the shopping is not completed (step S411; No), the management server 2 returns the process to step S401.

(4-3) Screen Example FIG. 15 is an example of a display screen displayed on the mobile terminal 3 of the target customer by the management server 2 in step S405 of FIG.

In this case, since the predetermined time interval has elapsed since the dedicated application was terminated in step S403 of FIG. 14 and the dedicated application has not been restarted, the management server 2 uses the push notification function based on step S405. , The mobile terminal 3 is made to output the notification. In this case, the mobile terminal 3 pops up a window 71 displaying "There is an unsettled purchased product list" based on the information received from the management server 2.

In this way, the management server 2 pops up a window 71 indicating that there is an unsettled purchased product list when the dedicated application of the mobile terminal 3 used by the customer who has the unsettled purchased product list is terminated. indicate. As a result, the mobile terminal 3 can preferably prompt the restart of the dedicated application and the resumption of shopping at the store 8.

FIG. 16 is an example of a display screen displayed by the mobile terminal 3 after the dedicated application is restarted from the state shown in FIG.

In this case, the mobile terminal 3 pops up the window 72 on the display screen of the dedicated application of the mobile terminal 3 after the dedicated application is restarted. The mobile terminal 3 displays the first button 73 and the second button 74 on the window 72 together with the text information indicating that there is an unsettled purchased product list. The first button 73 is a button that specifies to continue shopping using the unsettled purchased product list, and the second button 74 is a button that specifies to cancel the transaction. Then, when the mobile terminal 3 detects that the first button 73 is selected, the unsettled purchased product list (that is, the purchase immediately before the end of the dedicated application) is transmitted from the management server 2 in accordance with step S407 of FIG. Receives the information of the product list) and redisplays the purchased product list screen. In this case, the purchased product list screen displays the purchased product list immediately before the dedicated application ends. On the other hand, when the mobile terminal 3 detects that the second button 74 is selected, the mobile terminal 3 transmits information for notifying the transaction cancellation to the management server 2 as in the case where the transaction cancellation button 46 is selected on the purchased product list screen. To do. In this case, the management server 2 deletes the purchased product list corresponding to the mobile terminal 3.

FIG. 17 is an example of a display screen displayed on the mobile terminal 3 of the target customer by the management server 2 in step S409 of FIG.

In this case, the management server 2 has exceeded the predetermined time without updating the unsettled purchased product list, or the mobile terminal 3 has gone out of the store 8 with the unsettled purchased product list existing. Is detected, and a window 75 representing a notification is displayed on the purchased product list screen displayed by the dedicated application. Here, the management server 2 displays text information prompting payment of the purchased product list on the window 75.

(4-4) Utilization of Purchase History The management server 2 may preferably use the information of the purchased product list for which payment has been completed in the product purchase based on the electronic commerce by the same customer. In this case, when the payment is completed, the management server 2 generates purchase history information in which the purchase product list for which the payment has been completed, the customer identification information indicating the customer who purchased the product, and the payment information are associated with each other, and the member server 4 It is stored in the purchase history DB49 of. Then, the management server 2 displays based on the purchase history information stored in the purchase history DB 49 and generates a list of products to be purchased in the shopping based on the electronic commerce by the same customer.

FIG. 18 is an example of a display screen displayed by the mobile terminal 3 when conducting an electronic commerce using a dedicated application.

In FIG. 18, first, the management server 2 detects that the user input to place an order based on the past purchase history has been made on the mobile terminal 3. In other words, the management server 2 receives a shopping request based on the past purchase history of electronic commerce from the mobile terminal 3. Then, when the management server 2 receives the above-mentioned shopping request, the management server 2 extracts from the purchase history DB 49 purchase history information indicating a plurality of purchase records associated with the customer identification information of the customer who uses the mobile terminal 3. To do. Then, the management server 2 generates a purchase history list 76 based on the purchase history information extracted from the purchase history DB 49, and displays the generated purchase history list 76 on the mobile terminal 3. Here, the purchase history list 76 has a plurality of elements according to the past purchase record, and each element includes information on the purchase date and time, the purchase store, the payment number, and the total amount. Further, each element constituting the purchase history list 76 is provided with detailed display buttons 77A to 77D (77) for displaying each detailed purchase history.

Then, the customer using the mobile terminal 3 refers to the purchase history list 76 and selects the detailed display button 77 corresponding to the purchase history to be referred to in this electronic commerce. In this case, the management server 2 receives the information about the selected detailed display button 77 from the mobile terminal 3, and causes the mobile terminal 3 to display the detailed screen of the purchase history corresponding to the selected detailed display button 77. On the above-mentioned detail screen, for example, a list of purchased products, which is a list of purchased products, is displayed. Further, the management server 2 preferably generates a shopping list of the current electronic commerce (that is, a list of products to be purchased) based on the purchased product list displayed on the above-mentioned detail screen. That is, when the management server 2 detects an operation to reflect the purchased product list in the current shopping list on the above-mentioned detail screen, the management server 2 displays the current shopping list based on the purchased product list indicated by the selected purchase history. Generate. As a result, the customer can suitably purchase the product based on the electronic commerce by using the past purchase history at the actual store. The terminal used by the customer for electronic commerce is not limited to the mobile terminal 3, and may be any terminal such as a stationary computer used by the customer.

<Second Embodiment>
FIG. 19 shows a schematic configuration of the management server 2A in the second embodiment. The management server 2A has a receiving unit 81, a generating unit 82, a holding unit 83, and a transmitting unit 84.

The receiving unit 81 receives the product identification information "S1" from the mobile terminal 3A used by the customer. The receiving unit 81 is realized, for example, by the control unit 25 that controls the communication unit 24 in the first embodiment. Further, the mobile terminal 3A is, for example, the mobile terminal 3 in the first embodiment. The generation unit 82 generates a purchased product list, which is a list of products that the customer plans to purchase, based on the product identification information S1. The generation unit 82 is realized by, for example, the control unit 25 in the first embodiment.

When the holding unit 83 detects the end of the application that controls the transmission of the product identification information S1 and the display of the purchased product list on the mobile terminal 3A in the unsettled state of the purchased product list, until the restart of the application is detected. Keep a list of purchased items. The holding unit 83 is realized, for example, by the control unit 25 that controls registration and deletion of the purchased product list in the purchased product list DB 29 of the storage unit 23 in the first embodiment. After restarting the application, the transmission unit 84 transmits the held information “S2” regarding the purchased product list to the mobile terminal 3A. The transmission unit 84 is realized, for example, by the control unit 25 that controls the communication unit 24 in the first embodiment.

In this way, the management server 2A according to the second embodiment displays the purchased product list immediately before the end on the mobile terminal 3A again when the application of the mobile terminal 3A is terminated during shopping and the application is restarted. Can be made to. As a result, even if the application of the mobile terminal 3A is terminated during shopping, the customer can smoothly continue shopping by restarting the application.

Other than that, a part or all of each of the above embodiments (including modified examples, the same shall apply hereinafter) may be described as in the following appendix, but is not limited to the following.

[Appendix 1]
A receiver that receives product identification information from a mobile terminal used by a customer,
A generation unit that generates a purchased product list, which is a list of the products that the customer plans to purchase, based on the product identification information.
When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. A holding unit that holds the product list and
A management server having a transmission unit that transmits information about the purchased product list to the mobile terminal after the application is restarted.

[Appendix 2]
The management server according to Appendix 1, which has a notification unit that notifies the mobile terminal of unsettled payments at predetermined time intervals after detecting the termination of the application until the restart of the application is detected.

[Appendix 3]
The management server according to Appendix 1 or 2, which has a notification unit for notifying the mobile terminal of unsettled products when the purchased product list is not updated for a predetermined time or longer in an unsettled state.

[Appendix 4]
If it is determined that the mobile terminal has gone out of the store while the purchased product list is unsettled, the mobile terminal has a notification unit for notifying the unsettled product, according to any one of the items 1 to 3. The listed management server.

[Appendix 5]
When the notification unit determines that the mobile terminal has gone out of the store while the purchased product list has not been settled, the notification unit relates to the mobile terminal that has gone out of the store to the terminal used by the clerk of the store. The management server according to Appendix 4, which notifies information.

[Appendix 6]
After the payment for the purchased product list is made, the generation unit generates a purchase history based on the payment.
The receiving unit receives a shopping request based on the purchase history by the electronic commerce from the terminal used by the customer, and receives the request.
The management server according to any one of Supplementary note 1 to 5, wherein the transmission unit transmits display information related to the purchase history to a terminal used by the customer when the shopping request is received.

[Appendix 7]
After transmitting the display information regarding the purchase history to the terminal used by the customer, the receiving unit receives the information regarding the purchase history selected by the customer.
The management server according to Appendix 6, wherein the generation unit generates a list of products to be purchased in shopping based on the electronic commerce based on the purchased product list corresponding to the purchase history selected by the customer.

[Appendix 8]
The management server described in any one of Appendix 1 to 7 and
A management system that has a mobile terminal used by a customer.
The mobile terminal
In the store where the customer entered, after starting the application that controls the mobile terminal related to shopping at the store, the acquisition unit that acquires the product identification information indicating the product to be purchased, and the acquisition unit.
A transmission unit that transmits the product identification information to the management server, and
It has a display control unit that displays a list of purchased products, which is a list of the products, on the display unit.
When the application is terminated while the purchased product list is unsettled, the display control unit displays the purchased product list on the display unit based on the information received from the management server after the application is restarted. , Management system.

[Appendix 9]
It is a control method executed by the management server.
Receives product identification information from the mobile terminal used by the customer,
Based on the product identification information, a purchased product list, which is a list of the products that the customer plans to purchase, is generated.
When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. Hold the product list,
A control method for transmitting information about the purchased product list to the mobile terminal after the application is restarted.

[Appendix 10]
A receiver that receives product identification information from a mobile terminal used by a customer,
A generation unit that generates a purchased product list, which is a list of the products that the customer plans to purchase, based on the product identification information.
When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. A holding unit that holds the product list and
A program that causes a computer to function as a transmitter that transmits information about the purchased product list to the mobile terminal after the application is restarted.

Although the invention of the present application has been described above with reference to the embodiment, the invention of the present application is not limited to the above embodiment. Various changes that can be understood by those skilled in the art can be made within the scope of the present invention in terms of the structure and details of the present invention. That is, it goes without saying that the invention of the present application includes all disclosure including claims, various modifications and modifications that can be made by those skilled in the art in accordance with the technical idea. In addition, each disclosure of the above-mentioned patent documents cited shall be incorporated into this document by citation.

1 POS server 2 Management server 3, 3A Mobile terminal 4 Member server 5 Accounting machine 100, 100A Management system

Claims (10)

1. A receiver that receives product identification information from a mobile terminal used by a customer,
   A generation unit that generates a purchased product list, which is a list of the products that the customer plans to purchase, based on the product identification information.
   When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. A holding unit that holds the product list and
   A management server having a transmission unit that transmits information about the purchased product list to the mobile terminal after the application is restarted.
2. The management server according to claim 1, further comprising a notification unit that notifies the mobile terminal of unsettled payments at predetermined time intervals after detecting the termination of the application until the restart of the application is detected.
3. The management server according to claim 1 or 2, which has a notification unit for notifying the mobile terminal of unsettled products when the purchased product list is not updated for a predetermined time or longer in the unsettled state.
4. Any one of claims 1 to 3, which has a notification unit for notifying the mobile terminal of the unsettled product when it is determined that the mobile terminal has gone out of the store while the purchased product list is unsettled. The management server described in.
5. When the notification unit determines that the mobile terminal has gone out of the store while the purchased product list has not been settled, the notification unit relates to the mobile terminal that has gone out of the store to the terminal used by the clerk of the store. The management server according to claim 4, which notifies information.
6. After the payment for the purchased product list is made, the generation unit generates a purchase history based on the payment.
   The receiving unit receives a shopping request based on the purchase history by the electronic commerce from the terminal used by the customer, and receives the request.
   The management server according to any one of claims 1 to 5, wherein the transmission unit transmits display information regarding the purchase history to a terminal used by the customer when the shopping request is received.
7. After transmitting the display information regarding the purchase history to the terminal used by the customer, the receiving unit receives the information regarding the purchase history selected by the customer.
   The management server according to claim 6, wherein the generation unit generates a list of products to be purchased in shopping based on the electronic commerce based on the purchased product list corresponding to the purchase history selected by the customer.
8. The management server according to any one of claims 1 to 7.
   A management system that has a mobile terminal used by a customer.
   The mobile terminal
   In the store where the customer entered, after starting the application that controls the mobile terminal related to shopping at the store, the acquisition unit that acquires the product identification information indicating the product to be purchased, and the acquisition unit.
   A transmission unit that transmits the product identification information to the management server, and
   It has a display control unit that displays a list of purchased products, which is a list of the products, on the display unit.
   When the application is terminated while the purchased product list is unsettled, the display control unit displays the purchased product list on the display unit based on the information received from the management server after the application is restarted. , Management system.
9. It is a control method executed by the management server.
   Receives product identification information from the mobile terminal used by the customer,
   Based on the product identification information, a purchased product list, which is a list of the products that the customer plans to purchase, is generated.
   When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. Hold the product list,
   A control method for transmitting information about the purchased product list to the mobile terminal after the application is restarted.
10. A receiver that receives product identification information from a mobile terminal used by a customer,
    A generation unit that generates a purchased product list, which is a list of the products that the customer plans to purchase, based on the product identification information.
    When the end of the application that controls the transmission of the product identification information and the display of the purchased product list on the mobile terminal is detected in the unsettled state of the purchased product list, the purchase is performed until the restart of the application is detected. A holding unit that holds the product list and
    A storage medium in which a program that functions a computer as a transmitter for transmitting information about the purchased product list to the mobile terminal after the application is restarted is stored.

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