JP6397366B2 - Self-checkout device, self-checkout method, and self-checkout program - Google Patents

Description

  The present invention relates to a self-checkout device, a self-checkout method, and a self-checkout program for a shopper to perform sales registration of a product to be purchased and accounting for the registered product.

  2. Description of the Related Art Conventionally, self-checkout devices (self-POS (Point Of Sales) devices, self-checkout devices) are increasing in the field of product sales such as supermarkets, convenience stores, and gas stations. In the self-checkout device, the shopper performs the sales registration of the products to be purchased and the accounting processing of the registered products, which had been performed by a dedicated cashier. As a result, the cash register operation can be performed with a small number of personnel, contributing to labor saving in the store and shortening the waiting time of the cash register queue.

  For example, when using a self-checkout device, the shopper himself / herself registers a product for sale by scanning a barcode attached to the product with a barcode reader. Then, after selling and registering all the products, the insertion of cash or a credit card is inserted. As a result, a checkout process is performed, and the change, the credit card used and the receipt are discharged from the self-checkout device, and the shopper receives them to complete the transaction. However, shoppers who are unfamiliar with the operation of such a self-checkout device may forget to take change, credit cards or receipts.

  In view of this, a self-checkout device has been developed for notifying that a change has been forgotten by a warning sound or the like when a change has been forgotten after a certain period of time has elapsed since the change was dispensed. The reason for notifying after a certain period of time is that if the notification is made immediately after the change is withdrawn, an unpleasant notice is given to the shopper who has not forgotten the change.

  A self-checkout device that waits for the receipt discharge operation to start until it is detected that the dispensed change has been removed. When it is detected that the change has been removed, the self-checkout device starts the receipt discharge operation. (For example, refer to Patent Document 1).

JP 2010-237910 A

  However, if a shopper leaves the place in a hurry even if a change notification is made after a change has been made, or a receipt is discharged after the change has been removed, a warning will be issued. There is a problem that the user forgets to change without being aware of the sound.

  The present invention has been made in view of the above circumstances, and provides a self-checkout device, a self-checkout method, and a self-checkout program that can more reliably prevent forgetting change. Objective.

The present invention employs the following configuration in order to solve the above problems.
That is, according to one aspect of the present invention, the self-checkout device of the present invention is a self-checkout device that performs a sales registration process for a purchased product and a settlement process for the purchase price by a shopper's operation. By a change dispensing part that withdraws the change amount obtained by subtracting the amount charged for the merchandise from the receipt amount to a banknote dispensing outlet or a coin dispensing outlet , a gaze detection unit that detects the sight of the shopper, and the gaze detection unit When the detected line of sight is not directed to the banknote dispensing slot or the coin dispensing slot , the display control unit displays information indicating that there is a change on a predetermined display, and the change dispensing unit discharges the information. and a change detecting unit change to detect whether or not removed from the banknote outlets or coin outlet, if the change by the change detection unit has been removed is not detected, the visual axis detection If the detected gaze if facing the banknote outlets or coin outlet by, after the lapse first time after dispensing the change, and outputs a warning sound indicating left behind the change, On the other hand, if the line-of-sight detected by the line-of-sight detection unit does not face the banknote dispensing slot or the coin dispensing slot , information indicating that there is a change is displayed on the display unit, and then the change is issued. And a warning unit that outputs the warning sound after a second time that is shorter than the first time has elapsed since the payment.

  In the self-checkout device of the present invention, it is preferable that the display control unit displays on a display installed in the direction of the line of sight detected by the line-of-sight detection unit.

  In the self-checkout device of the present invention, it is preferable that the display is provided in the vicinity of a weighing device for weighing the purchased product.

  In the self-checkout device of the present invention, it is preferable that the display is provided in the vicinity of a receipt discharge port for discharging a receipt related to the settlement of the purchased product.

  In the self-checkout apparatus of the present invention, it is preferable that a plurality of the display devices are provided.

Further, according to one aspect of the present invention, the self-checkout method of the present invention is a self-checkout method that is executed in a self-checkout device that performs a sales registration process for a purchased product and a payment process for the purchase price by a shopper operation. The method is to detect the shopper's line of sight, withdrawing the change, which is obtained by subtracting the amount charged for the merchandise from the amount of cash received, into the banknote outlet or coin outlet , and detecting the shopper's line of sight When the line of sight is not directed to the banknote outlet or coin outlet , information indicating that there is change is displayed on a predetermined display, and the changed change is displayed on the banknote outlet or coin outlet. If it is detected whether or not the change has been removed, and if it is not detected that the change has been removed, if the detected line of sight faces the banknote or coin dispensing port , the change Withdraw After lapse et first time, and outputs a warning sound indicating left behind of the change, whereas, if the detected line of sight is not directed to the banknote outlets or coin outlet, that there is a change After the information indicating is displayed on the display, the alarm sound is output after a second time shorter than the first time since the change was withdrawn.

Further, according to one aspect of the present invention, the self-checkout program of the present invention is a self-checkout program in a self-checkout device that performs a sales registration process for a purchased product and a payment process for the purchase price by a shopper operation. A change dispensing means for dispensing the change, which is obtained by subtracting the charged amount of the merchandise sold from the received cash receipt amount, into the banknote withdrawal slot or the coin withdrawal slot; A line of sight detecting means for detecting the line of sight of the customer, and information indicating that there is a change when the line of sight detected by the line of sight detecting means is not directed to the banknote dispensing slot or coin dispensing slot . detection and display control means for displaying, whether the change that has been dispensed by the change dispensing unit is removed from the banknote outlets or coin outlet in That a change detecting means, wherein if the change that was removed was not detected by the change detection section, if the detected by the sight line detecting means gaze if facing the banknote outlets or coin outlet, After a first time has elapsed since the withdrawal of the change, an alarm sound indicating that the change has been forgotten is output, while the line of sight detected by the line-of-sight detection means is the banknote dispensing port or the coin dispensing port. If the change is not suitable, the information indicating that there is change is displayed on the display, and after the change has been dispensed, a second time shorter than the first time has elapsed, and the alarm sound is output. Is a self-checkout program for functioning as an alarm means for outputting.

  According to the present invention, it is possible to prevent the change from being forgotten more reliably.

It is a figure which shows the external appearance of the self-checkout apparatus of this Embodiment. It is a hardware block diagram of the self-checkout apparatus of this Embodiment. It is a functional block diagram of the self-checkout device of the present embodiment. It is a figure which shows the example (the 1) of a screen displayed on a display operation part. It is a flowchart which shows the flow of the self-checkout process of this Embodiment. It is a figure which shows the example of a screen (the 2) displayed on a display operation part. It is a figure which shows the example of a screen (the 3) displayed on a display operation part. It is a figure which shows the example of a screen (the 4) displayed on a display operation part. It is a figure which shows the example of a screen (the 5) displayed on a display operation part. It is a figure which shows the example of a screen displayed on a display.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a diagram showing the appearance of the self-checkout apparatus according to the present embodiment.

  The self-checkout device 10 executes a sales registration process for the purchased product and a settlement process for the price by an operation performed by the shopper. In FIG. 1, a self-checkout device 10 includes a line-of-sight detection camera 101, a display operation unit 102, a magnetic card reader 103, an electronic money reader / writer 104, a point card reader / writer 105, a bar code scanner 106, a speaker 107, and a receipt issuing unit. A printer 108, a bill slot 109, a bill slot 110, a coin slot 111, a coin slot 112, a temporary product placement table 113, a total weight weighing scale 114, a shopping bag suspension 115 and a display 116 are provided. ing.

  The line-of-sight detection camera 101 is arranged on the upper side of the housing of the self-checkout device 10 and acquires face image data obtained by photographing a shopper's face. The arrangement position of the line-of-sight detection camera 101 is not limited to the upper side of the housing of the self-checkout device 10, but may be the right side, the left side, or the lower side. The number of self-checkout devices 10 may be plural.

  Based on the barcode information read by the barcode scanner 106, the display operation unit 102 displays product information associated with the settlement of the product, such as product name, product unit price, and product weight. In addition, the display operation unit 102 performs, for example, guidance display for selecting a product for paying out a product without a barcode. At this time, the shopper can perform a selection operation by touching the surface according to the guidance display of the display operation unit 102.

  The magnetic card reader 103 reads credit card information. The electronic money reader / writer 104 reads information from or writes information to the electronic money card. The point card reader / writer 105 reads point card information or writes information.

The barcode scanner 106 reads a barcode attached to a product.
The speaker 107 outputs operation sounds of the display operation unit 102, the magnetic card reader 103, the electronic money reader / writer 104, the point card reader / writer 105, and the barcode scanner 106. The speaker 107 outputs a warning sound indicating that a credit card, a receipt, a point card, or change is forgotten.

  The receipt issuing printer 108 issues a receipt on which the transaction details of one transaction including the settlement amount and the given points are printed.

  The bill insertion slot 109 is an opening configured to allow a shopper to insert a plurality of bills in a short direction one by one or at the time of billing for a product. The banknote dispensing port 110 is an opening for dispensing banknotes that have been canceled, banknotes that cannot be identified, and banknotes as change.

  The coin insertion slot 111 is an opening configured to allow one or a plurality of coins to be inserted by a shopper at the time of accounting for the price of goods. The coin dispensing port 112 is an opening for dispensing coins that have been cancelled, coins that cannot be identified, and coins as change.

  The temporary product storage table 113 is a table on which a shopper places a shopping basket in which products before payment is placed. The total weight weighing scale 114 measures the total weight of the products registered for sale as a settlement target. The shopping bag suspension unit 115 is configured to be able to suspend an attached shopping bag, a my bag brought by a shopper, or the like.

  The indicator 116 displays information indicating that there is a change dispensed to the banknote dispensing slot 110 or the coin dispensing slot 112.

  A shopper who uses such a self-checkout device 10 first places a shopping basket containing products before settlement on the product temporary placement table 113. Then, the bar code scanner 106 is used to read the bar code attached to the merchandise, thereby performing sales registration work for the merchandise. The product registered for sale as a payment target is stored in a plastic bag or the like hung on the plastic bag suspension unit 115, and the total weight of the products registered for sale as a payment target is measured by the total weight weighing scale 114. If the difference between the weight of the individual product and the increment of the weight measured by the total weight weighing scale 114 is within a predetermined allowable range, the product registered for sale is settled.

  Next, the shopper who completes the sales registration work of the product put in the shopping basket inserts a credit card into the magnetic card reader 103, scans electronic money with the electronic money reader / writer 104, and bills into the bill insertion slot 109. The settlement can be performed by inserting coins into the coin insertion slot 111. Then, when change occurs, the self-checkout device 10 pays out change by paying out banknotes from the banknote outlet 110 and paying out coins from the coin outlet 112. Further, the self-checkout device 10 prints the transaction contents and the like with the receipt issuing printer 108 and issues a receipt.

  At this time, the self-checkout device 10 detects the shopper's line of sight using the line-of-sight detection camera 101, and responds to the line-of-sight state after the change has been dispensed to the banknote dispensing slot 110 or the coin dispensing slot 112. The output timing of the alarm sound indicating that the change has been forgotten is changed. For example, if the shopper's line of sight is directed to a product stored in a shopping bag after the change has been withdrawn, the change may be forgotten by a warning sound or the like earlier than a conventional self-checkout device. Notify (alarm output) that there was. In addition, if the shopper's line of sight is directed to the banknote outlet 110 or the coin outlet 112 after the change has been withdrawn, notification by a warning sound or the like is not performed for a certain period, and the shopper's line of sight is then displayed in a shopping bag If the product is suitable for a product stored in, etc., a warning sound is given.

FIG. 2 is a hardware configuration diagram of the self-checkout apparatus according to the present embodiment.
In FIG. 2, the self-checkout device 10 includes a CPU 11, a memory 12, an input / output I / F 13, an external storage device 14, a portable recording medium drive device 15, and a network device 16. The CPU 11, the memory 12, the input / output I / F 13, the external storage device 14, the portable recording medium drive device 15, and the network device 16 are connected to each other via a bus 17.

  The CPU 11 controls the entire self-checkout device 10 by executing a control program that controls the operation of the self-checkout device 10. The memory 12 temporarily stores a control program stored in the external storage device 14 or the portable recording medium 20 and information necessary for executing the control program when the control program is executed. The memory 12 is, for example, a RAM (Random Access Memory). The input / output I / F 13 includes a line-of-sight detection camera 101, a display operation unit 102, a magnetic card reader 103, an electronic money reader / writer 104, a point card reader / writer 105, a bar code scanner 106, a speaker 107, and a receipt issuing printer 108. This is an interface between the weighing scale 114 and the display 116. The external storage device 14 stores a control program and information necessary for executing the control program in a nonvolatile manner, and is, for example, a hard disk device. The portable recording medium driving device 15 accommodates a portable recording medium 20 such as a memory device, a flexible disk, an optical disk, and a magneto-optical disk. Similar to the external storage device 14, the portable recording medium 20 stores a control program and information necessary for executing the control program in a nonvolatile manner. The network device 16 is a device for communicating with a POS server (not shown) through the network 30.

FIG. 3 is a functional block diagram of the self-checkout apparatus according to the present embodiment.
In FIG. 3, the self-checkout device 10 includes a change dispensing unit 301, a line-of-sight detection unit 302, a display control unit 303, a change detection unit 304, and an alarm unit 305.

  The change dispensing unit 301 finished the sales registration work using the barcode scanner 106 from the amount of cash received by counting the bills or coins inserted from the bill insertion slot 109 or the coin insertion slot 111. Withdraw the change after deducting the amount billed for the merchandise sold.

  The line-of-sight detection unit 302 detects the line of sight of the shopper based on the face image data obtained by photographing the shopper's face acquired by the line-of-sight detection camera 101. For example, the corneal reflection image and pupil of the light source are detected by analyzing the image of the shopper's eye extracted from the face image data, and the sight line direction of the shopper is detected based on the difference between the corneal reflection image and the position of the pupil. .

  The display control unit 303 indicates that there is change when the line of sight detected by the line of sight detection unit 302 is not directed to the banknote dispensing port 110 or the coin dispensing port 112 withdrawn by the change dispensing unit 301. Information is displayed on a predetermined display 116. Preferably, the information is displayed on the display 116 installed in the direction of the line of sight detected by the line-of-sight detection unit 302. For example, the indicator 116 is provided in the vicinity of a total weight weighing scale 114 for weighing purchased merchandise. Alternatively, the display 116 is provided in the vicinity of the receipt discharge port of the receipt issuing printer 108 that discharges a receipt related to the settlement of the purchased product. Alternatively, a plurality of indicators 116 may be provided. As information indicating that there is a change, a message may be displayed or a blinking display may be used.

  The change detection unit 304 detects whether or not the change dispensed by the change dispensing unit 301 has been removed from the banknote dispensing port 110 or the coin dispensing port 112. For example, a change detection sensor is used to detect whether or not a banknote withdrawn at the banknote dispensing slot 110 or a coin withdrawn at the coin dispensing slot 112 remains.

  After the information indicating that there is a change is displayed on the display 116, the alarm unit 305 generates an alarm sound or the like indicating that the change has been forgotten when the change detection unit 304 does not detect that the change has been removed. Output from the speaker 107 (alarm output).

  4, 6, 7, 8, and 9 are diagrams showing examples of screens displayed on the display operation unit, and FIG. 5 is a flowchart showing a flow of self-checkout processing according to the present embodiment. FIG. 10 is a diagram showing an example of a screen displayed on the display.

  The flow of the self-checkout process executed by the above-described self-checkout apparatus 10 will be described with reference to FIGS.

  An initial screen as shown in FIG. 4 is displayed on the display operation unit 102 of the self-checkout device 10. The self-checkout process is started when the shopper touches the initial screen with fingers. That is, when the shopper touches the “product registration” button on the initial screen displayed on the display operation unit 102, the self-checkout process is started.

  First, in the self-checkout process, it is determined in step S501 in FIG. A screen as shown in FIG. 6 is displayed on the display operation unit 102. For example, the self-checkout device 10 determines whether or not the “¥ payment” button in FIG. 6 has been touched.

  If it is determined that the sales registration has not ended (step S501: NO), that is, if the “¥ payment” button in FIG. 6 has not yet been touched, the shopper placed the product on the product temporary table 113. The product in the shopping basket is taken out, and the barcode attached to the product is read using the barcode scanner 106. As a result, in step S502, the product is registered for sale. The display operation unit 102 displays the total amount (subtotal) of the products registered for sale at that time. The processes in steps S501 to S502 described above are repeated until the sales registration of all the products in the shopping basket is completed.

  If it is determined that the sales registration has been completed (step S501: YES), for example, if the “¥ payment” button in FIG. 6 is touched, the self-checkout device 10 may be, for example, as shown in FIG. A prompt screen is displayed, for example, prompting the user to select cash payment or credit payment. Then, in step S503, the self-checkout device 10 determines whether or not the payment means is cash payment. In the screen example shown in FIG. 7, it is determined whether the “cash” button is touched or the “credit” button is touched.

  If it is determined that the payment is not cash payment (step S503: NO), if the “credit” button is touched in the screen example shown in FIG. 7, other processing such as payment processing with a credit card is executed in step S504. . Here, the description is omitted.

  On the other hand, when it is determined that the payment is cash payment (step S503: YES), when the “cash” button is touched in the screen example shown in FIG. 7, a screen as shown in FIG. And encourage cash input. Then, in step S505, the self-checkout device 10 determines whether or not the cash insertion has ended. That is, it is determined whether or not the total amount of the bills inserted into the bill insertion slot 109 and the coins inserted into the coin insertion slot 111 has reached the total amount of the product settled in step S502. While the total amount of inserted bills and coins has not reached the total amount of merchandise (step S505: NO), for example, the determination in step S505 is performed each time a bill or coin is inserted.

  If it is determined in step S505 that the cash insertion has been completed (step S505: YES), it is determined in step S506 whether or not change has occurred.

  If it is determined that no change has occurred (step S506: NO), a receipt printed by the receipt issuing printer 108 is issued, and the self-checkout process of the present embodiment is terminated.

  On the other hand, when it is determined that a change has occurred (step S506: YES), the self-checkout device 10 displays a screen as shown in FIG. In step S507, the change dispensing unit 301 withdraws change.

  Next, in step S508, the change detection unit 304 determines whether or not the change dispensed by the change dispensing unit 301 in step S507 remains in the banknote dispensing port 110 or the coin dispensing port 112. That is, it is determined whether or not the change has been completely removed from the banknote outlet 110 and the coin outlet 112.

  If it is determined that no change remains (step S508: NO), a receipt printed by the receipt issuing printer 108 is issued, and the self-checkout process of the present embodiment is terminated.

  On the other hand, when it is determined that the change remains (step S508: YES), in step S509, the shopper's line of sight is transferred to the banknote dispensing port 110 or the coin dispensing port 112 from which the change dispensing unit 301 is withdrawn. Judge whether it is suitable. The sight line of the shopper is detected by the sight line detection unit 302 based on the shopper's face image data acquired by the sight line detection camera 101.

  When it is determined that the line of sight of the shopper is facing the banknote dispensing slot 110 or the coin dispensing slot 112 (step S509: YES), in step S510, a certain amount of time (t1) has elapsed since the change was dispensed in step S507. For example, it is determined whether 5 seconds have elapsed.

  When it is determined that the predetermined time (t1) has not elapsed since the withdrawal (step S510: NO), the process returns to step S508.

  On the other hand, if it is determined that a certain time (t1) has elapsed since the withdrawal (step S510: YES), in step S511, the speaker 107 notifies the speaker 107 with a warning sound or the like ( Alarm output).

  Further, when it is determined in step S509 that the shopper's line of sight is not directed to the banknote dispensing port 110 or the coin dispensing port 112 (step S509: NO), in step S512, the self-checkout device 10 A screen as shown in FIG. Preferably, the information is displayed on the display 116 installed in the direction of the line of sight detected by the line-of-sight detection unit 302. For example, the indicator 116 is provided in the vicinity of a total weight weighing scale 114 for weighing purchased merchandise. Alternatively, the display 116 is provided in the vicinity of the receipt discharge port of the receipt issuing printer 108 that discharges a receipt related to the settlement of the purchased product. Alternatively, a plurality of indicators 116 may be provided. As information indicating that there is a change, a message as shown in FIG. 10 may be displayed, or a simple blinking display may be used.

  In step S513, the self-checkout device 10 determines whether or not a predetermined time (t2) has elapsed since the change was dispensed in step S507. The fixed time t2 is a time shorter than the fixed time t1 determined in step S510 (t1> t2). For example, the self-checkout device 10 determines whether or not 3 seconds have elapsed.

  If it is determined that the predetermined time (t2) has not elapsed since the withdrawal (step S513: NO), the process returns to step S508.

On the other hand, when it is determined that a certain time (t2) has elapsed since the withdrawal (step S513: YES), the self-checkout device 10 indicates that the change of forgetting change has been made in the speaker 107 in step S511. Notification (alarm output) by warning sound.
The embodiments of the present invention have been described in detail with reference to the drawings.

  As described above, the self-checkout device 10 detects the sight line of the shopper with the sight line detection camera 101. If the detected shopper's line of sight is directed to the total weight weighing scale 114 instead of the banknote dispensing slot 110 or the coin dispensing slot 112 when the change is dispensed, the display 116 in the vicinity thereof is displayed. Displays a message indicating that there is a change or blinks. Still, if the shopper's line of sight does not go to the banknote dispensing slot 110 or the coin dispensing slot 112 and no change has been taken, it is determined that the change has been forgotten, and a warning sound or the like is notified from the speaker 107. . The installation place of the indicator 116 is not limited to the vicinity of the total weight weighing scale 114, but may be an area other than the banknote dispensing port 110 and the coin dispensing port 112. That is, according to the movement of the shopper's line of sight, a message indicating that there is a change or a blinking display is displayed on the display 116 for the area ahead of the line of sight, thereby more reliably preventing change from being forgotten. Increases effectiveness.

  Further, the line-of-sight information is accumulated for each shopper, the sight line of the shopper is determined, and the output order of change, receipt, coupon, credit card, point card, etc. output from the self-checkout device 10 By changing, there is a further effect of preventing forgetting to take various output items including change.

  The self-checkout device 10 and the self-checkout process executed by the self-checkout device 10 described above can be applied not only to supermarkets, convenience stores, gas stations, etc., but also to vending machines including ticket vending machines.

  As described above, the embodiments of the present invention have been described with reference to the drawings. However, the above-described embodiments of the present invention may be implemented as hardware or a DSP (Digital Signal Processor) board as a function of the self-checkout device. It can be realized by firmware or software on the CPU board.

  Further, the self-checkout device to which the present invention is applied is not limited to the above-described embodiment as long as the function is executed, and a system composed of a plurality of devices even if it is a single device. Needless to say, the integrated device may be a system in which processing is performed via a network such as a LAN or a WAN.

  It can also be realized by a system including a CPU, a ROM or RAM memory connected to a bus, an input device, an output device, an external recording device, a medium driving device, and a network connection device. That is, a ROM, a RAM memory, an external recording device, and a portable recording medium in which a software program for realizing the system of the above-described embodiment is recorded is supplied to the self-checkout device, and the computer of the self-checkout device Needless to say, this can also be achieved by reading and executing the program.

  In this case, the program itself read from the portable recording medium or the like realizes the novel function of the present invention, and the portable recording medium or the like on which the program is recorded constitutes the present invention.

  Examples of portable recording media for supplying the program include flexible disks, hard disks, optical disks, magneto-optical disks, CD-ROMs, CD-Rs, DVD-ROMs, DVD-RAMs, magnetic tapes, and nonvolatile memory cards. Various recording media recorded via a network connection device (in other words, a communication line) such as a ROM card, electronic mail or personal computer communication can be used.

  The computer (information processing apparatus) executes the program read out on the memory, thereby realizing the functions of the above-described embodiment, and an OS running on the computer based on the instructions of the program. Performs part or all of the actual processing, and the functions of the above-described embodiments are also realized by the processing.

  Furthermore, a program read from a portable recording medium or a program (data) provided by a program (data) provider is stored in a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer. After being written, the CPU of the function expansion board or function expansion unit performs part or all of the actual processing based on the instructions of the program, and the functions of the above-described embodiments are also realized by the processing. obtain.

  That is, the present invention is not limited to the embodiment described above, and can take various configurations or shapes without departing from the gist of the present invention.

10 Self-checkout device 11 CPU
12 Memory 13 Input / output I / F
DESCRIPTION OF SYMBOLS 14 External storage device 15 Portable recording medium drive device 16 Network device 17 Bus 20 Portable recording medium 30 Network 101 Camera for eye-gaze detection 102 Display operation part 103 Magnetic card reader 104 Electronic money reader / writer 105 Point card reader / writer 106 Bar code scanner DESCRIPTION OF SYMBOLS 107 Speaker 108 Receipt-issuing printer 109 Banknote insertion port 110 Banknote dispensing port 111 Coin insertion port 112 Coin dispensing port 113 Temporary product stand 114 Total weight weighing scale 115 Plastic bag hanging part 116 Display unit 301 Change dispensing part 302 Gaze detection unit 303 Display control unit 304 Change detection unit 305 Alarm unit

Claims (5)

In the self-checkout device that performs the sales registration processing of the purchased products and the settlement of the price by the operation of the shopper,
A change withdrawal unit that withdraws the change obtained by subtracting the amount charged for the merchandise sold from the received amount of the received cash to the banknote withdrawal slot or the coin withdrawal slot ;
A line-of-sight detector that detects the line of sight of the shopper;
When the line of sight detected by the line of sight detection unit is not directed to the banknote dispensing port or the coin dispensing port , a display control unit that displays information indicating that there is a change on a predetermined display,
A change detecting unit for detecting whether or not the change dispensed by the change dispensing unit has been removed from the banknote dispensing port or the coin dispensing port ;
If it is not detected by the change detection unit that the change has been removed, the change is withdrawn if the line of sight detected by the line of sight detection unit faces the banknote or coin dispensing port. After a lapse of the first time, an alarm sound indicating that the change is forgotten is output, while the line of sight detected by the line-of-sight detection unit does not face the banknote dispensing port or the coin dispensing port , An alarm unit that outputs the alarm sound after a second time shorter than the first time has elapsed since the information indicating that the change is present is displayed on the display, and after the change has been withdrawn; ,
A self-checkout device comprising:   The self-checkout apparatus according to claim 1, wherein the display control unit displays the information on a display installed in a direction of a line of sight detected by the line-of-sight detection unit.   The self-checkout apparatus according to claim 1, wherein a plurality of the display devices are provided. A self-checkout method that is executed in a self-checkout device that performs a sales registration process for a purchased product and a settlement process for the purchase price by a shopper operation,
Withdraw the change, which is obtained by subtracting the amount charged for the merchandise from the amount of cash received, and withdraw it to the bank account or coin outlet .
Detecting the line of sight of the shopper,
When the detected line of sight is not directed to the banknote outlet or the coin outlet , information indicating that there is a change is displayed on a predetermined display.
Detecting whether or not the changed change has been removed from the banknote outlet or the coin outlet ;
If it is not detected that the change has been removed, and if the detected line of sight is directed to the banknote outlet or coin outlet , after the first time has elapsed since the change was withdrawn. , Output an alarm sound indicating that the change has been forgotten, and if the detected line of sight does not face the banknote or coin outlet , information indicating that there is change is the indicator. The warning sound is output after a second time shorter than the first time since the change was withdrawn.
Self-checkout method characterized by that. A self-checkout program in a self-checkout device that performs a sales registration process for a purchased product and a settlement process for the purchase price by a shopper operation,
A computer of the self-checkout device;
A change withdrawal means for withdrawing the change, which is obtained by subtracting the amount charged for the merchandise from the received amount of the received cash, to the banknote withdrawal slot or the coin withdrawal slot ;
Line-of-sight detection means for detecting the line of sight of the shopper;
Display control means for displaying information indicating that there is a change on a predetermined display when the line of sight detected by the line of sight detection means is not directed to the banknote dispensing port or the coin dispensing port ;
A change detecting means for detecting whether or not the change dispensed by the change dispensing means has been removed from the banknote dispensing slot or the coin dispensing slot ;
If it is not detected that the change has been removed by the change detection unit, the change is withdrawn if the line of sight detected by the line-of-sight detection means faces the banknote dispensing slot or the coin dispensing slot. After a lapse of a first time, an alarm sound indicating that the change has been forgotten is output, while the line of sight detected by the line-of-sight detection means does not face the banknote dispensing port or the coin dispensing port , Alarm means for outputting the alarm sound after a second time shorter than the first time has elapsed after the change is displayed after the information indicating that the change is present is displayed on the display; ,
Self-checkout program to make it work.