JP2012094070A - Automatic dispenser - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic dispenser which allows multiple customers perform settlement processing at the same time.SOLUTION: The automatic dispenser includes a radio communication device which communicates with a radio communication terminal storing terminal information for identifying a customer, an electronic display with a touch sensor and a control part for displaying at least the terminal information acquired by the radio communication device and information on commodities to be sold and displaying a settlement operation screen which allows a customer to selects a commodity and gives instruction for settlement on the electronic display with the touch sensor. When the radio communication device detects multiple radio communication terminals, the control part acquires a piece of terminal information of each of the multiple radio communication terminals and displays multiple settlement screens corresponding to the acquired multiple pieces of terminal information.

Description

  The present invention relates to a vending machine including an electronic display with a touch sensor that displays information and images of products to be sold on the front surface.

  Some conventional vending machines have a display screen made up of an electronic display or the like with a touch sensor on the front surface, and display information on products to be sold on the electronic display.

 For example, in Patent Document 1, a human sensor detects that a person is approaching and displays a sample image of a product on the liquid crystal color display with the touch sensor for a predetermined time. There has been proposed a vending machine that detects a product sample image touched by a customer based on coordinate information obtained by the touch sensor when a product sample image is displayed, and determines a product to be sold.

JP-A-11-232537

The conventional vending machine as described above performs processing from product selection to settlement for one customer, and cannot perform a plurality of settlement processes at the same time. For this reason, when there are many customers who use vending machines, there is a problem that it takes a long time to sell goods because there is a line in the vending machine. In addition, it is not possible for multiple customers to select different products and make separate payments at the same time as when purchasing products at supermarkets and convenience stores. I could not enjoy it.
In view of the above-described problems, an object of the present invention is to provide a vending machine capable of simultaneously performing payment processing for a plurality of customers with one vending machine.

In order to solve the above-mentioned problem, the vending machine according to the first invention is:
A wireless communication device that communicates with a wireless communication terminal that stores terminal information that can identify a customer;
An electronic display with a touch sensor;
A control unit that displays at least the terminal information acquired by the wireless communication device and product information to be sold and displays a settlement operation screen on which the customer selects a product and gives an instruction for settlement on the electronic display with the touch sensor; Vending machine,
When the wireless communication device detects a plurality of the wireless communication terminals, the control unit acquires each terminal information of the plurality of wireless communication terminals, and a plurality of terminal information corresponding to the acquired plurality of the terminal information Display the payment operation screen.

The vending machine according to a second aspect of the present invention is the vending machine according to claim 1, wherein the control unit stores a predetermined displayable number of settlement operation screens, and the wireless communication device is configured to transmit the wireless communication device. It has a reception strength measurement circuit that detects the strength of the reception signal received from the terminal,
When the control unit receives terminal information from more radio communication terminals than the displayable number, the control unit compares the received signals received from a plurality of the radio communication terminals and gives priority to radio communication terminals having strong reception strength. Display up to the maximum number of displays.

The vending machine according to a third aspect of the present invention is the vending machine according to claim 1, wherein the wireless communication device includes a plurality of antennas.
The control unit identifies the position of the wireless communication terminal based on the intensity of a reception signal of terminal information received from the wireless communication terminal by the plurality of antennas, and is close to the wireless communication terminal on the electronic display with the touch sensor A payment operation screen is displayed at the position.

According to the vending machine of the present invention, the presence of a plurality of customers in front of one vending machine is detected by communication with a wireless communication terminal possessed by the customer, and a plurality of corresponding to the number of wireless communication terminals. Since the plurality of customers operate the individual settlement operation screens at the same time, the plurality of customers can simultaneously select and settle the product. Therefore, as when purchasing products at supermarkets and convenience stores, multiple customers can select and pay separately for different products, and multiple buyers can communicate with each other. You can enjoy shopping at.
Moreover, even when the number of customers using vending machines is large, it is possible to reduce the time for which customers wait for product purchases.

1 is a schematic external view of a vending machine according to a first embodiment of the present invention. Block diagram of vending machine Configuration block diagram of wireless communication device 30 of vending machine 1 Flow chart for explaining the control of the number and position of settlement operation screens 100 by the main control unit 10 of the vending machine 1. The figure for demonstrating the payment apparatus screen 100 displayed on the electronic display 40 with a touch sensor of the vending machine 1. FIG.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic external view of a vending machine according to the first embodiment of the present invention.

  Reference numeral 1 denotes a vending machine according to the first embodiment. Reference numeral 200 denotes a wireless communication terminal possessed by a customer who purchases a product using the vending machine 1.

The wireless communication terminal 200 is a known passive type RFID (Radio Frequency Identification). The memory included in the wireless communication terminal 200 includes terminal-specific information that can identify the terminal as terminal information, person identification information that indicates a purchaser, various attribute information that indicates a purchaser's attributes, a customer's product purchase history, Information such as customer preferences and setting information for determining information to be displayed on a settlement operation screen described later are stored, and electronic money is stored.
In addition, the communication means for transmitting and receiving terminal information and electronic money recorded in the memory, and electromagnetic waves based on electromagnetic waves transmitted from the antennas 31a and 31b of the wireless communication device 30 mounted in the vending machine 1 described later. Power receiving means for generating an electromotive force by induction. A wireless communication device 30 installed in the vending machine 1 described later communicates with the wireless communication terminal 200 and reads and writes information stored in the memory of the wireless communication terminal 200.

  On the front surface of the vending machine 1, an electronic display 40 with a touch sensor for displaying a product sample image or the like is arranged. The electronic display with touch sensor 40 includes a touch sensor 41 and an electronic display 44. The touch sensor 41 constituting the display with the touch sensor of this embodiment is a known electrostatic transparent touch panel, and the electronic display 44 is a known liquid crystal color display.

  The touch sensor 41 can be a gesture or a gesture operation in which a light emitting portion and a light receiving portion constituting a pressure-sensitive transparent touch panel or an infrared sensor are arranged at equal intervals on the upper and lower sides and the left and right sides of a rectangular frame instead of an electrostatic transparent touch panel. It may be a 3D sensor. The electronic display may be a CRT display or PDP, for example, as a known display capable of displaying the same instead of the liquid crystal color display 44, and may be a three-dimensional display.

  An antenna 31 a and an antenna 31 b of the wireless communication device 30 that communicate with the wireless communication terminal 200 are arranged on the left end and the right end on the upper surface of the vending machine 1.

  Below the electronic display 40 with a touch sensor on the front surface of the vending machine 1, a coin insertion slot 2, a change return lever 3, a change return slot 4, a bill insertion slot 5, and a non-contact IC as in the conventional vending machine. An antenna 21 and a speaker 51 of the card communication device 20 are provided, and a merchandise outlet 6 for releasing merchandise to be sold is provided at a lower position thereof.

  FIG. 2 is a block diagram showing a schematic configuration of a control system of the vending machine 1 according to the first embodiment.

  Reference numeral 10 denotes a main control unit that controls the entire vending machine 1, and includes a recording unit including a ROM and a RAM that records information such as various programs and data, and a CPU that executes a program recorded in the recording unit. Control means are provided.

  An electronic display 40 with a touch sensor and a wireless communication device 30 are connected to the main controller 10.

  The electronic display 40 with a touch sensor includes a touch sensor 41, an input position specifying unit 42 that detects a coordinate position when a fingertip or the like is brought into contact with or close to the touch sensor 41, a liquid crystal color display 44, and a liquid crystal color display 44. It is comprised by the display output part 43 which displays.

  The wireless communication device 30 includes antennas 31 a and 31 b that communicate with the wireless communication terminal 200 and a control circuit 32. The control circuit 32 includes a transmission circuit that generates electromotive force and communicates data information. Further, the control circuit 32 detects the radio field intensity of the radio communication terminal 200 received by the two antennas 31a and 31b, and detects the position of the radio communication terminal 200 based on the radio field intensity acquired from the two antennas. Provide a circuit. Details of the method for detecting the position of the wireless communication terminal 200 will be described in detail separately.

  In addition, the main controller 10 identifies a coin inserted from a coin slot 5 conventionally provided in a vending machine, receives a correct coin and dispenses change, and a bill insertion slot. 6, a banknote processing apparatus 12 that stores banknotes that are recognized as authentic by identifying the banknotes received from the product 6, a product unloading mechanism unit 13 that guides products sold by the vending machine 100 to the product payout exit 7, an antenna 21, and a control circuit 22. A non-contact IC card communication device 20 configured to communicate with a non-contact IC card in which electronic money is stored and perform electronic money settlement processing, an audio output device 50 including a speaker 51 and an audio output control circuit 52, external An external communication device 60 including a modem 61 and a communication control circuit 62 that communicate with the management server is connected.

  On the liquid crystal color display 44 of the vending machine 1 configured as described above, a nickname is displayed as person identification information indicating a customer (purchaser) based on the terminal information acquired by the wireless communication device 30 from the wireless communication terminal 200. Or a settlement operation screen 100 for displaying a product image, a product name, or the like of the customer's preference. Details of the information displayed on the settlement apparatus screen 100 will be described later.

  The vending machine 1 has a preset number of displayable payment operation screens so that up to four payment operation screens 100 can be displayed. Further, as shown in FIG. 1, display frames 101a, 101b, 101c, and 101d capable of displaying four settlement operation screens in advance below the screen of the display 40 with a touch sensor are prepared, and a settlement operation is performed for each display frame. The screen 100 can be displayed.

  Further, the vending machine 1 can detect a plurality of wireless communication terminals 200 by using an anti-collision function included in the RFID which is a wireless settlement terminal, and a plurality of wireless communication terminals 200 corresponding to the plurality of wireless communication terminals 200 can be detected. The settlement operation screen 100 can be displayed. At this time, the plurality of settlement operation screens 100 to be displayed respectively display information corresponding to the detected terminal information of each wireless communication terminal 200. The position of the wireless communication terminal 200 is detected, and the settlement operation screen 100 is displayed at a position close to the wireless communication terminal 200. The position detection will be described in detail separately.

  When the customer touches the product sample or product information on the settlement operation screen 100, the main control unit 10 of the vending machine 1 wants the customer to purchase by detecting the product touched by the input position specifying unit 42. While detecting that a product has been selected, it is assumed that an instruction for payment processing has been accepted, and the payment processing is executed to release the product purchased by the customer.

  The main control unit 10 determines the number and positions of the payment operation screens 100 displayed on the display 40 with the touch sensor based on the terminal information acquired by the wireless communication device 10 from the wireless communication terminal 200 and the position information of the wireless communication terminal described later. And a function as a display position control unit for controlling information displayed on the settlement operation screen 100.

  Further, the main control unit 10 functions as a payment control unit, and upon detecting that the customer has operated the payment operation screen 100 to instruct selection and payment of a product, based on the terminal information acquired from the wireless communication terminal. Execute payment processing. Specifically, based on the terminal information, communication with the wireless communication terminal 200 is performed via the wireless communication device 30, and a payment process for electronic money corresponding to the price of the designated product is executed.

  Further, the main control unit 10 functions as a sales control unit, and when the customer operates the settlement operation screen 100 to detect that the selection of the product and the settlement are instructed, the main control unit 10 is designated by driving the product carry-out mechanism unit 13. Release goods.

  When the vending machine 1 according to the first embodiment configured as described above detects a wireless communication terminal possessed by a plurality of customers, the vending machine 1 displays a settlement apparatus screen on each wireless communication terminal. When a plurality of settlement operation screens are displayed, it is possible to communicate with a plurality of wireless communication terminals 200, execute settlement processing with each wireless communication terminal, and release products.

  Further, the vending machine 1 recognizes the position of the wireless communication terminal 200 based on the position information of the wireless communication terminal acquired from the wireless communication apparatus 30 described later, and makes a settlement so as to correspond to the position of the wireless communication terminal 200. The operation screen 100 is displayed.

  Next, a method for detecting the position of the wireless communication terminal 200 by the wireless communication device 30 will be described with reference to FIG. FIG. 3 is a configuration block diagram of the wireless communication device 30 of the vending machine 1 according to the first embodiment of the invention.

  The control circuit 32 includes a transmission circuit 33 and a variable output circuit 34 with a switching function, a reception circuit 35 and a reception intensity measurement circuit 36 with a switching function, and a CPU 37 that performs signal output adjustment and signal modulation / demodulation.

   In FIG. 3, the transmission circuit 33 and the reception circuit 35 can be connected to the antennas 31a and 31b as necessary by the built-in switching function, and the transmission signal output is adjusted by the output variable circuit 34, and the received signal strength Is measured by the reception intensity measurement circuit 36. Further, as shown in FIG. 1, the antennas 31 a and 31 b of this embodiment are arranged at both ends of the upper part of the upper surface of the vending machine 100.

  The wireless communication device 30 configured in this manner always transmits and receives by alternately switching the antennas 31a and 31b with a switching function in order to detect the wireless communication terminal 200.

  When communicating with the radio communication terminal 200 to be detected by the antennas 31a and 31b of the radio communication device 30, the CPU of the radio communication device 30 controls the output variable circuit 34 to change the transmission signal output to change the antenna. The minimum transmission signal output P1 that enables communication between 31a and the wireless communication terminal 200 and the minimum transmission signal output Pm2 that enables communication between the antenna 31b and the wireless communication terminal 200 are measured.

   Next, the reception intensity is obtained from the sum of Pm1 and Pm2 of each antenna.

  Further, position information indicating where the wireless communication terminal 200 is located in the left-right direction with respect to the vending machine 100 is obtained from the received intensity and Pm1 and Pm2 by the following expression.

    Position information = Pm1 / (Pm1 + Pm2)

  Then, the obtained reception intensity and position information are output to the main control unit 10.

  If the acquired position information is close to “0”, the main control unit 10 of the vending machine 1 recognizes that the wireless communication terminal 200 is close to the antenna 31a, that is, near the left side of the vending machine 1. If the position information is close to 1, it is recognized that the wireless communication terminal 200 is close to the antenna 31b, that is, close to the right side of the vending machine 1. Further, when the acquired reception strength is strong, the wireless communication terminal 200 is recognized as being in a position close to the vending machine 1.

  As shown in FIG. 3, when the wireless communication device 30 detects the wireless communication terminal 200a and the wireless communication terminal 200b, the Pm1 and Pm2 are measured for each wireless communication terminal, and each wireless communication terminal 200a, The position information and the reception intensity information of 200b are obtained, and each is output to the main control unit 10. The main control unit 10 determines that the wireless communication terminal 200a shown in FIG. 3 is near the left side of the front face of the vending machine and the wireless terminal 200b is near the right side of the front face of the vending machine based on the position information and the received intensity information. Recognize

  Next, the control of the number and arrangement positions of the payment operation screens 100 when the main control unit 10 functions as the display position control unit and makes the payment operation screen 100 on the display 40 with the touch sensor will be described.

  FIG. 4 is a flowchart for explaining the control of the number and position of the settlement operation screen 100 by the main control unit 10.

  When the main control unit 10 acquires the terminal information, the received signal strength, and the position information of the wireless communication terminal 200 from the wireless communication device 30, the main control unit 10 starts this flow.

In step 1, it is determined whether or not the number X of acquired terminal information is one.
In step 1, when X is 1, that is, when there is one detected wireless communication terminal (Yes in step 1), the settlement operation screen 100 is displayed based on the position information of the wireless communication terminal acquired in step 2. The settlement operation screen 100 is displayed in a display frame that is closest to the wireless communication terminal 200 from among the display frames 101a, 101b, 101c, and 101d.

In step 1, when X is other than 1 (No in step 1), it is determined in step 3 whether X is 2.
When X is 2 in Step 3 (Yes in Step 3), in Step 4, a number is assigned to the wireless communication terminals sequentially detected from the wireless communication terminal recognized as the leftmost based on the position information of the wireless communication terminal To do.

  Next, in step 5, the settlement operation screen corresponding to the wireless communication terminal ordered in step 4 (that is, the wireless communication terminal regarded as the leftmost) is displayed on the leftmost 101a. Further, the settlement operation screen corresponding to the wireless communication terminal ordered second is displayed on the rightmost 101d.

  In step 3, when X is other than 2 (No in step 3), the process proceeds to step 6 to determine whether X is 4 or less.

  When X is 4 or less in Step 6, that is, when three or four wireless communication terminals are detected (Yes in Step 6), the process proceeds to Step 7 and is recognized as the leftmost side based on the position information of the wireless communication terminal. Numbers are assigned to the wireless communication terminals in order from the first.

  Next, in step 8, the display frames 101a, 101b, 101c, 101d on the front left side of the vending machine and the settlement operation screens corresponding to the wireless communication terminals are arranged in order from the assigned number in the order described above.

  When X is 5 or more in Step 6 (No in Step 6), the process proceeds to Step 9, where the received signal strengths of the plurality of wireless communication terminals detected are compared, and the top four wireless communication terminals having strong received signal strengths Select.

  Next, with respect to the terminal information of the four wireless communication terminals selected in Step 7, numbers are assigned to the wireless communication terminals in order from the one recognized as the leftmost based on the position information of the wireless communication terminals.

  Next, in step 8, the display frames 101a, 101b, 101c, and 101d on the front left side of the vending machine and the settlement operation screens 100 corresponding to the wireless communication terminals are arranged in the order of the assigned numbers in the order.

  When all the steps described above are completed, the main control 10 of the vending machine 1 ends the display processing of the settlement operation screen 100 and returns to the start. The settlement operation screen 100 is displayed while the wireless communication terminal is being detected, and the main control unit 10 of the vending machine waits for the customer to select a product while displaying the wireless communication terminal. Note that the processing in FIG. 4 is regularly repeated during the display of the settlement operation screen, and the display and position of the settlement operation screen 100 are switched according to the reception strength and position of the wireless communication terminal 200.

  When a plurality of wireless communication terminals are detected in this way, the payment apparatus screen is displayed according to the top four wireless communication terminals that are considered to be closest to the vending machine, thereby being close to the vending machine. It becomes possible for four customers to purchase goods at the vending machine at the same time.

  Next, a method in which a customer actually purchases a product by operating the settlement operation screen 100 will be described in detail with reference to FIG.

Here, it is assumed that the purchaser A possesses the wireless communication terminal 200a and the purchaser B possesses the wireless communication terminal 200b, and these two people purchase the goods separately at the vending machine 1 at the same time. An example will be described.
In the wireless communication terminal 200a, "Take-chan" is stored as personal identification information (nickname) for identifying the purchaser A as terminal information, and a purchase product history is stored. Further, it is assumed that the setting information is stored so that the product with the highest purchase frequency is displayed on the settlement operation screen 100. Electronic money is also stored.
On the other hand, in the wireless communication terminal 200b possessed by the purchaser B, “Ume-chan” is stored as personal identification information (nickname) for identifying the purchaser B as terminal information, and a history of purchased products is stored. Yes. Further, it is assumed that the setting is stored so that the latest popular product is displayed on the settlement operation screen 100. Electronic money is also stored.

  FIG. 5 is a diagram for explaining a payment apparatus screen 100 displayed on the electronic display 40 with a touch sensor of the vending machine 1.

The vending machine 1 shown in FIG. 5 is also a diagram showing the state of the vending machine 1 when the wireless communication terminal 200a and the wireless communication terminal 200b are detected in FIG.
In the figure, the left side shows the front of the vending machine 1, and the right side shows enlarged settlement apparatus screens 100a and 100b corresponding to the wireless communication terminals 200a and 200b.

  As shown in FIG. 5, the vending machine 1 detects the wireless communication terminal 200 a on the left side of the front of the vending machine 1 and detects the wireless communication terminal 200 b on the front of the vending machine 1 as shown in FIG. 3. When detected on the right side, settlement apparatus screens 100a and 100b corresponding to each wireless communication terminal are displayed based on the location information group and terminal information of the wireless communication terminals 200a and 200d, respectively.

  The settlement operation screens 100a and 100b are configured based on the terminal information and setting information stored in each of the wireless communication terminals 200a and 200b. In the upper part of the settlement operation screen 100, the customer nickname read from the wireless communication terminal is displayed. Is displayed. The middle row displays information designated by the customer based on the setting information stored in the wireless communication terminal. Fixed information set in advance in the vending machine is displayed in the lower row.

  In the case of the present embodiment, the nickname “Take-chan” read from the wireless communication terminal 200a is displayed in the upper row on the settlement apparatus screen 100a. Further, in the middle row, a product guide with a high purchase frequency of the customer is displayed as a product preferred by the customer based on the setting stored in the RFID. Fixed information preset in the vending machine is displayed in the lower part.

  On the settlement apparatus screen 100b, the nickname “Ume-chan” read from the wireless communication terminal 200b is displayed at the top. In the middle row, the top three popular products are displayed based on the settings stored in the RFID. The top three popular products are read from the storage means of the vending machine 1 and displayed. Fixed information preset in the vending machine is displayed in the lower part.

  Here, when the vending machine 1 detects that the product information on the settlement screen 100a has been touched based on the output from the touch sensor 41, the vending machine 1 considers that the selection and settlement of the product have been instructed, and the selected product A payment process is executed in which the wireless communication terminal 200a storing the nickname displayed on the payment operation screen 100a is designated and the price is acquired with electronic money. Further, the product carry-out mechanism is driven to guide the product to the draft payment outlet.

  As described above, in the vending machine 1 according to the embodiment of the present invention, when a plurality of customers are standing in front of the vending machine, the number and positions of the wireless communication terminals possessed by the customers are detected to detect the number of wireless communication terminals. By displaying the payment operation screen corresponding to the location and location, it becomes possible for multiple customers to execute the product selection and payment processing separately and purchase the product at the same time, so products in supermarkets and convenience stores As at the time of purchase, a plurality of customers can select and pay separately for different products at the same time, and a plurality of buyers can communicate with each other to enjoy shopping. Moreover, even when the number of customers using vending machines is large, it is possible to reduce the time for which customers wait for product purchases.

  In this embodiment, the product information on the settlement operation screen 100 has been described using an example in which it is considered that an instruction for product selection and settlement has been made. However, as a configuration in which a settlement button is displayed on the settlement operation screen separately from the product information. Also good. With this configuration, the customer's intention to settle can be confirmed more reliably.

  Note that when the vending machine detects the wireless communication terminal and displays the settlement operation screen, the vending machine can be set to display when the wireless communication terminal is within a predetermined reception intensity for 3 seconds or more. By setting in this way, it is possible to prevent the settlement operation screen from being displayed to a passing person who does not intend to purchase a product at the vending machine.

  In the present embodiment, the main control unit 10 of the vending machine 1 has been described as an example using the configuration in which the settlement operation screen display position control unit and the settlement processing unit are combined. It can also be provided as a control unit comprising independent CPUs or the like.

  In this embodiment, the passive communication RFID is used for the wireless communication terminal. However, the wireless communication terminal that can be used in the present invention can be applied even if it is an active RFID, and a terminal that can perform known wireless communication. If applicable.

  In the present embodiment, an example in which payment by electronic money is executed by communicating with a wireless communication terminal has been described. However, the vending machine according to the present invention uses a known credit based on terminal information read from the wireless communication terminal. It is also possible to make a payment by a post-payment method in the same manner as a card or the like.

  In addition, when the settlement operation screen is displayed or when a product is purchased, calling or operation guidance can be performed by the speaker 51.

  In addition, in order to confirm the customer who makes a payment at the time of payment, the customer is allowed to input a personal identification number or a signature to the touch sensor, and a personal identification number or signature that can identify the customer stored in advance in the wireless communication terminal 200 is wireless. It is also possible to confirm a customer who makes a payment by collating the password or signature acquired from the communication device 30 and stored in the wireless communication terminal 200 with the password or signature input from the touch panel.

DESCRIPTION OF SYMBOLS 1 Vending machine 2 Coin insertion port 3 Change change lever 4 Change change return port 5 Banknote insertion port 6 Merchandise discharge port 10 Main control part 11 Coin processing device 12 Bill processing device 13 Commodity carry-out mechanism 14 Non-contact IC card reader / writer 15 Antenna 16 Wireless communication device 31a Antenna 31b of wireless communication device 30 Antenna of wireless communication device 30 32 Control circuit 33 Transmission circuit 34 Output variable circuit 35 Reception circuit 36 Reception intensity measurement times 37 CPU
40 Display with Touch Sensor 41 Touch Sensor 42 Input Control Unit 43 Display Output Control Unit 44 Electronic Display (Liquid Crystal Display)
DESCRIPTION OF SYMBOLS 50 Audio | voice output apparatus 51 Speaker 100 Settlement operation screen 100a Settlement operation screen 100b Settlement operation screen 101a Display frame which displays a payment operation screen 101b Display frame which displays a payment operation screen 101c Display frame which displays a payment operation screen 101d Settlement operation screen Display frame to be displayed 200 Wireless communication terminal

Claims (3)

A wireless communication device that communicates with a wireless communication terminal that stores terminal information that can identify a customer;
An electronic display with a touch sensor;
A control unit that displays at least the terminal information acquired by the wireless communication device and product information to be sold and displays a settlement operation screen on which the customer selects a product and gives an instruction for settlement on the electronic display with the touch sensor; Vending machine,
When the wireless communication device detects a plurality of the wireless communication terminals, the control unit
Obtain each terminal information of the plurality of wireless communication terminals,
A vending machine displaying a plurality of settlement operation screens corresponding to the acquired plurality of terminal information. The vending machine according to claim 1, wherein the control unit stores a predetermined number of displayable settlement operation screens,
The wireless communication device includes a reception strength measurement circuit that detects the strength of a reception signal received from the wireless communication terminal,
When the control unit receives terminal information from more radio communication terminals than the displayable number,
A vending machine that compares reception signals received from a plurality of wireless communication terminals and displays the wireless communication terminals having strong reception strength up to the display upper limit number with priority. The vending machine according to claim 1, wherein the wireless communication device includes a plurality of antennas,
The control unit identifies the position of the wireless communication terminal based on the intensity of a reception signal of terminal information received from the wireless communication terminal by the plurality of antennas, and is close to the wireless communication terminal on the electronic display with the touch sensor A payment operation screen is displayed at the position.

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