KR100617762B1 - Settlement system and method using electronic cart - Google Patents

Abstract

A payment system using an electronic cart is disclosed. The payment system wirelessly transmits user information including a mobile communication terminal performing voice and text communication using the assigned number, an RF-ID assigned according to an initial selection, and the number of the mobile communication terminal, and stores the stored goods. An electronic cart that reads and transmits an RF-ID, receives and displays price information of an item corresponding to the read RF-ID, and transmits a purchase selection signal of the item, an RF-ID of an electronic cart transmitted from an electronic cart, and user information. Register the host, calculate the price of the item corresponding to the RF-ID transmitted from the electronic cart, transmit it to the electronic cart, receive a purchase selection signal from the electronic cart, and transmit the payment request information of the item, and the payment request information from the host. Generate payment information, transmit a payment confirmation request signal to the mobile communication terminal, and send a payment confirmation request signal from the mobile communication terminal. Receiving the acceptance signal for the is achieved by a payment system including a mobile communication service provider to process the payment and transfer payment completion information to the host.

Mart, Cart, Cart, Payment, Mobile Phone, Terminal, RF-ID

Description

Payment system and method using an electronic cart {SETTLEMENT SYSTEM AND METHOD USING ELECTRONIC CART}             

1 is a view showing an example of an electronic cart used in the payment system of the present invention,

FIG. 2 is a block diagram illustrating the user interface device of FIG. 1 in more detail.

3 is a block diagram showing a preferred embodiment of a payment system for goods using an electronic cart according to the present invention;

4 is a flow chart showing a preferred embodiment of the payment method of the article using the payment system according to the present invention, and

5 is a flowchart illustrating an example of a procedure for passing through a store when payment of goods is completed using an electronic cart.

Explanation of symbols on the main parts of the drawings

100: user interface device 110: initial selection unit

120: control unit 130: RF-ID reading unit

140: key input unit 150: storage unit

160: short-range wireless communication unit 170: display unit

180: printing part 220: red parts

500: electronic cart 600: mobile communication terminal

700: Host 720: Short Range Wireless Communication Module

740: mobile communication module 760: shopping information DB

780: Product Information DB 800: Mobile Service Provider

900: RF-ID detection device

The present invention relates to a payment system and method using an electronic cart, and more particularly, a user who is a shopping party directly requests a payment to a business operator of a store for an item shopping at a store to process a direct payment between a user and a store operator. It relates to a payment system and method that can be.

As society develops, the shopping patterns of users for purchasing goods are diversified. This type of shopping can be largely divided into offline and online shopping. In the case of off-line, large discount marts are popular because users can purchase large quantities of goods at low prices and check and purchase the goods directly at low prices. In addition, in the case of online, since the article is provided to the user through a web page on the Internet, there is an advantage in that the article can be sold at a low price without requiring a store.

In general, in a large discount mart, the user displays the goods to purchase while moving the shopping cart, selects them at a store, and loads the shopping cart while shopping. At this time, after shopping is finished, the user can purchase goods through a process in which a cashier reads a bar code attached to the item with a bar code reader and finally makes a payment. .

However, when shopping in this manner, there is a problem in that it takes a lot of time to pay the final amount of the product because it is necessary to read the barcode of the corresponding item in order to pay for the item. In addition, it is necessary to place the goods to be placed on the merchandise for payment, read the barcode of each item, calculate the amount, and move the payment item back to the shopping bag or shopping cart. There is a problem that hassle with payment.

In addition, there is a problem in that a lot of barcode readers are required to read the barcodes of the articles one by one, which requires a lot of costs for establishing a store. In addition, the store operator has a large labor cost burden due to the need to hire a cashier to help pay for the goods using a bar code reader for each cash register.

In addition, the conventional shopping is inconvenient to check the price tag attached to the place where the item is displayed, if the user wants to check the price of the purchased goods. In addition, there is a problem that the user can not determine how much the total amount of the goods stored in the shopping cart for purchase before completing the goods payment.

An object of the present invention for solving the above problems, a payment system that can provide the convenience of shopping to the user who purchases the goods as soon as the payment is completed in a simpler way when paying for the goods to be purchased And providing a method.

Another object of the present invention is to provide a payment system and method that can reduce the cost burden of establishing a store at a lower cost and hiring a cashier to help pay for the goods.

The above object is, according to the present invention, a payment system for paying for goods shopped in a store, a mobile communication terminal for performing voice and text communication using the assigned number; According to the initial selection, the user information including the assigned RF-ID and the number of the mobile communication terminal is transmitted wirelessly, the RF-ID of the loaded article is read and transmitted wirelessly, and the article corresponding to the read RF-ID. An electronic cart that receives and displays price information and transmits a purchase selection signal of the article; Register the RF-ID and user information of the electronic cart sent from the electronic cart, calculate the price of the item corresponding to the RF-ID transmitted from the electronic cart and send it to the electronic cart, receive the purchase selection signal from the electronic cart Host for transmitting the payment request information of; And receiving payment request information from the host and generating payment information to transmit a payment confirmation request signal to the mobile communication terminal, and upon receiving the acceptance signal for the payment confirmation request signal from the mobile communication terminal, the payment is processed and the payment completion information is hosted. It is achieved by a payment system that includes a mobile carrier to transmit to.

Accordingly, when the host receives the payment completion information from the mobile communication provider, the host deletes the RF-ID of the paid item and passes the purchased item stored in the electronic cart from the store.

Preferably, the payment request information includes a unique ID of a store, a number of a mobile communication terminal, payment request amount information selected for purchase, and the like. In addition, the mobile communication provider preferably transmits the payment confirmation request signal to the mobile communication terminal in a short message format.

The host preferably stores and transmits the list information of the item corresponding to the RF-ID received from the electronic cart and the price information calculated corresponding to the item list to the electronic cart.

The electronic cart is composed of a loading part, a transportation means, and a user interface device. The loading part is provided in the main body and has a space in which the article is loaded. The conveying means is a means for conveying the main body and is generally composed of circular wheels. The user interface device transmits the user information including the assigned RF-ID and the number of the mobile communication terminal input according to the initially selected signal to the host, and reads the RF-ID of the article stored in the loading part to the host. It transmits, receives and displays a list of goods and price information from the host, and transmits the input purchase selection signal to the host.

The user interface device includes a control unit, an initial selection unit, an RF-ID reading unit, a key input unit, a short range wireless communication unit, a display unit, and a storage unit.

The controller controls the overall operation of the interface device. The initial selection unit is a selection button for notifying the host of the start of shopping according to the input signal. The RF-ID reading unit reads the RF-ID of the article loaded in the loading part. The key input unit is provided with a key for inputting user information and for selecting a purchase intention of an article stored in a loading part. The near field communication unit performs near field communication with a host. The display unit displays a list of goods and price information transmitted from the host. The storage unit stores a list of goods and price information.

The display unit may be implemented as a touch panel provided with an input menu corresponding to keys provided in the key input unit. The user interface device may further include a printing unit for printing a list of goods stored in the storage unit and price information on a printing sheet.

The host has a short range wireless communication module, a mobile communication module, a product information DB, and a shopping information DB. The near field communication module performs near field communication with the electronic cart. The mobile communication module communicates with the mobile communication service provider. The commodity information DB stores commodity information located in a store and price information and RF-ID information corresponding to each commodity. The shopping information DB registers the allocated RF-ID and user information of the electronic cart transmitted from the electronic cart, and stores a list and price information of items corresponding to the RF-ID transmitted from the electronic cart.

The payment system of the present embodiment is located at the boundary line between the store and the outside where the goods are placed, and detects and transmits the RF-ID of the electronic cart entering and exiting the boundary line and the goods stored in the electronic cart to the host, and the electronic cart from the host. The apparatus may further include an RF-ID sensing device that receives an RF-ID of an item stored in the product and an RF-ID of the paid item, and generates a warning sound in case of mismatch.

On the other hand, the above object is, according to the present invention, the step of registering the user information in the host including the RF-ID assigned to the electronic cart and the number of the input mobile communication terminal according to the selection of the initial use of the electronic cart in the host ; The electronic cart reads the RF-ID of the item loaded and sends it to the host, the host generates a list of items corresponding to the RF-ID sent from the electronic cart, calculates the price of the item, and sends the item to the host. Receiving and displaying an item list and price information; When the e-cart receives the purchase selection signal, the electronic device transmits the purchase selection information of the loaded goods to the host, and the host receives the purchase selection information and transmits the payment request information to the mobile service provider, and the mobile service provider receives the payment request information. Generating payment information and transmitting a payment confirmation request signal to a mobile communication terminal; And when the mobile communication terminal receives the acceptance signal to the payment confirmation request signal, the acceptance information is transmitted to the mobile communication provider, and the mobile communication service provider receives the acceptance information to process the payment and transmits the payment completion information to the host, and the host pays the payment. Receiving the completion information is deleted by the RF-ID of the paid item is achieved by a payment method comprising the step of passing the electronic cart loaded with the paid item from the store to the outside.

According to the present invention, the electronic cart reads the RF-ID of the article and receives the price information of the article corresponding to the read RF-ID from the host and displays the information, and if the purchase selection signal is input thereto, the purchase selection information is transmitted to the host. The host transmits the payment request information to the mobile service provider, and the mobile service provider generates payment information for the payment of the goods amount, and transmits the final confirmation request information to the mobile communication terminal to confirm the acceptance and process the payment according to the result. When the payment completion information is transmitted to the host, the host deletes the RF-ID of the completed payment, thereby reducing the time required for payment of the goods and providing a more convenient shopping service to the user. In addition, the electronic cart transmits the RF-ID of the article read by the RF-ID reading unit to the host and receives the list and price information of the article read by the RF-ID reading unit from the host and displays it on the display. You can check the list of selected items and prices in real time. In addition, the RF-ID detector automatically detects the RF-IDs of electronic carts and items stored in the electronic cart when the user tries to pass through the store with the paid items. The RF-ID sensing device performs the corresponding action according to the result of comparing the match, and when the user tries to pass through the store with the paid item, the store does not check the payment item list and the loaded item in a short time. Can pass through

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the same elements in the figures are represented by the same numerals wherever possible. In addition, detailed descriptions of well-known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

1 is a diagram showing an example of an electronic cart used in the payment system of the present invention. As shown, the electronic cart 500 is composed of a main body 200, conveying means (300a, 300b), and a user interface device (100).

The main body 200 is provided with a loading part 220 for loading an article. Carrying means (300a, 300b) is connected to the main body 200 is provided to facilitate the transport of the electronic cart (500). In general, the conveying means (300a, 300b) is composed of a wheel formed in a circular shape. The user interface apparatus 100 is connected to the main body 200 and has a selection key for reading the RF-ID of the article loaded in the loading part 220 and selecting a purchase intention of the article from which the RF-ID is read. In addition, the user interface device 100 is provided in a store to perform short-range wireless communication with a host (not shown) managing goods and payments of the store. Accordingly, the user interface device 100 transmits an RF-ID to the host and receives and displays a list of goods and price information from the host.

FIG. 2 is a block diagram illustrating the user interface device 100 of FIG. 1 in more detail. As illustrated, the user interface device 100 includes an initial selection unit 110, a control unit 120, an RF-ID reading unit 130, a key input unit 140, a storage unit 150, and a short range wireless communication unit 160. ), A display unit 170, and a printing unit 180.

The initial selection unit 110 is a button provided to register the electronic cart 500 to the host when the first user wants to shop using the electronic cart 500. The controller 120 controls the overall operation of the user interface device 100.

The RF-ID reading unit 130 reads the RF-ID attached to the article loaded in the filling part 220. The key input unit 140 is provided with a selection key for inputting user information, such as a user's mobile communication terminal number, and selecting shopping end and / or purchase.

The storage unit 150 stores a program required for the operation of the user interface device 100 and a list of goods and price information received from the host. The storage unit 150 may store information about the store, information for guiding the use of the store, or advertisement information about the goods. The short range wireless communication unit 160 is a module for performing short range wireless communication with a host.

The display unit 170 displays a list and price information of the article read by the RF-ID reading unit 130. The display unit 170 may display information on stores stored in the storage unit 150, store usage guide information, or advertisement information of goods under the control of the controller 120.

The printing unit 180 may include a list of information displayed on the display unit 170 and / or items stored in the storage unit 150 under the control of the control unit 120 according to a print command selection signal provided in the key input unit 140. Print price information on printing paper.

The display unit 170 may be configured as a touch panel including an input menu corresponding to keys provided in the key input unit 140.

3 is a block diagram showing a preferred embodiment of a payment system for an article using an electronic cart according to the present invention. In the drawing, the electronic cart is the electronic cart 500 of FIG. 1, and the user interface device 100 is the user interface device 100 of FIGS. 1 and 2.

As shown, the payment system is a mobile communication provider 600 that provides voice and text communication services to the mobile communication terminal 600, the electronic cart 500, the host 700, and the mobile communication terminal 600 located in the store ( 800).

The mobile communication terminal 600 performs voice and text communication using a service provided from a mobile communication service provider 800. The electronic cart 500 performs the same function as the electronic cart 500 described above with reference to FIGS. 1 and 2. In the drawing, the electronic cart 500 largely has a user interface device 100, a main body 200 having a loading part 220, and a carrying means 300.

The host 700 manages the goods of the store and the payment of the goods. The host 700 according to the present invention has a short range wireless communication module 720, a mobile communication module 740, a shopping information DB 760, and a product information DB 780.

The short range wireless communication module 720 is a module for performing mutual communication with the short range wireless communication module 160 provided in the user interface device 100 of the electronic cart 500. The mobile communication module 740 is a module for performing mutual communication with the mobile communication service provider 800. The shopping information DB 760 is stored in the RF-ID assigned to the electronic cart 500 transmitted from the electronic cart 500, the user information, and the loading part 220, and the article read by the RF-ID reading unit 130. A list of articles corresponding to the RF-ID information, price information corresponding to the article list, and the like. The product information DB 780 stores a list of items displayed in the store, an RF-ID and price information corresponding to the list of items.

Looking at the operation of the payment system using the electronic cart 500 having such a configuration as follows.

When the initial selection unit 110 is selected to use the electronic cart 500, the controller 120 controls the short range wireless communication unit 160 to transmit the RF-ID assigned to the electronic cart 500 to the host. The host 700 registers in the shopping information DB 760 the RF-ID of the electronic cart 500 transmitted from the short range wireless communication unit 160 of the electronic cart 500 and received by the short range wireless communication module 720.

In addition, when the user information including the mobile communication terminal 600 number is input by using the key input unit 140 of the electronic cart 500, the controller 120 uses the input user information through the short range wireless communication unit 160. Send to host 700. The host 700 registers user information transmitted from the electronic cart 500 in the shopping information DB 760 together with the RF-ID of the electronic cart 500 registered in the shopping information DB 760.

When the article is loaded in the loading part 220, the RF-ID reading unit 130 reads the RF-ID of the loaded article and transmits the RF-ID to the controller 120. The controller 120 transmits the RF-ID read by the RF-ID reading unit 130 to the host 700 through the short range wireless communication unit 160. When the host 700 receives the RF-ID of the article transmitted from the electronic cart 500, the host 700 detects the stored article information and the price corresponding to the article information corresponding to the RF-ID received from the article information DB 780. . When there are a plurality of items, the host 700 generates a list of detected item information and calculates price information for all items based on the detected price. At this time, the host 700 stores the list of goods and the price information in the shopping information DB 760 and transmits to the electronic cart 500.

The control unit 120 performs the short-range wireless communication unit 160 based on the RF-ID of the article read by the RF-ID reading unit 130 until the user inputs a shopping end signal to end shopping through the key input unit 140. Send to the host 700 through. When the shopping end signal is input, the controller 120 determines whether the purchase selection signal is input through the key input unit 140.

When the purchase selection signal is input through the key input unit 140, the controller 120 transmits the purchase selection information to purchase the goods stored in the electronic cart 500 to the host 700 through the short range wireless communication unit 160. do. The host 700 receives the purchase selection information and transmits payment request information to the mobile communication service provider 800 to request payment. The payment request information includes a unique ID of a store, a number of the mobile communication terminal 600, and information on a payment request amount selected for purchase.

The mobile service provider 800 receives payment request information transmitted from the host 700, generates payment information for payment of goods, and sends the payment confirmation request information requesting confirmation of the payment information to the mobile communication terminal 600. send. Preferably, the mobile communication provider 800 transmits the payment confirmation request information to the mobile communication terminal 600 in a short message format.

In response to this, the mobile communication terminal 600 receives the payment confirmation request information and determines whether there is an acceptance signal. When the acceptance signal for finally allowing payment is selected, the mobile communication terminal 600 transmits payment acceptance information to the mobile communication provider 800. The mobile telecommunications provider 800 transmits payment completion information to the host 700. If the acceptance information for the payment confirmation request information is not received, the mobile communication provider 800 cancels the payment processing for the payment request information transmitted from the host 700.

The host 700 receives payment completion information from the mobile communication provider 800 and deletes the RF-ID of the paid item from the product information DB 780.

Therefore, when the electronic cart 500 reads the RF-ID of the article and receives the price information of the article corresponding to the read RF-ID from the host and displays the price information, the purchase selection information is input to the host 700 when the purchase selection signal is input thereto. ) And the host 700 transmits the payment request information to the mobile service provider 800, and the mobile service provider 800 generates the payment information, and transmits the payment confirmation request information to the mobile communication terminal 600 to confirm whether or not. After receiving the confirmation and transmitting the payment completion information to the host 700 according to the result, the host 700 can delete the RF-ID of the payment is completed, it is possible to simply process the goods payment for a shorter time.

The payment system of the present invention further has an RF-ID sensing device 900 located at a boundary line between the store where the goods are placed and the outside. The RF-ID detecting apparatus 900 detects the RF-ID of the electronic cart entering and exiting the boundary line of the store and the RF-ID of the item loaded in the electronic cart and transmits the RF-ID to the host 700. In response, the host 700 determines whether or not the RF-ID of the item loaded in the electronic cart 500 matches the RF-ID of the paid item corresponding to the RF-ID of the electronic cart 500. The information is transmitted to the RF-ID sensing device 900. Accordingly, the RF-ID detecting apparatus 900 generates an alarm when the RF-IDs of the articles are mismatched with each other according to the matching information transmitted from the host 700, and when the RF-IDs of the articles match with each other, Pass the cart 500.

Figure 4 is a flow chart showing a preferred embodiment of the payment method of the article using the payment system according to the present invention. As shown, the payment method of the present embodiment may be largely divided into a registration process (S100), a shopping process (S200), and a payment process (S400).

Hereinafter, the registration process (S100) will be described in detail. If the initial selection unit 110 is selected (S120), the control unit 120 of the electronic cart 500 transmits the RF-ID of the electronic cart to the host 700 (S130). At this time, if the user information including the number of the user's mobile communication terminal 600 is input, the control unit 120 transmits to the host 700 including the input user information. The host 700 registers the RF-ID and user information of the electronic cart 500 transmitted from the electronic cart 500 in the shopping information DB 760 (S140).

Hereinafter, the shopping process S200 will be described in detail. The RF-ID reading unit 130 of the electronic cart 500 reads the RF-ID of the article loaded in the filling part 220 (S210). The control unit 120 transmits the RF-ID information of the article read by the RF-ID reading unit 130 to the host 700 (S220). The host 700 generates an item list by detecting a product and a price of the item corresponding to the RF-ID received from the electronic cart 500 from the product information DB 780, and generates a price for the item based on the detected price. It calculates (S230). At this time, the host 700 stores the product list and the calculated price information together with the RF-ID and the user information of the electronic cart 500 in the shopping information DB 760. In addition, the host 700 transmits the item list and the calculated price information to the electronic cart 500 in real time (S240). Accordingly, the controller 120 of the electronic cart 500 displays the item list and the price information transmitted from the host 700 through the display unit 170 (S250).

Hereinafter, the payment process (S400) will be described in detail. While the list and price information of the items read by the RF-ID reading unit 130 are displayed on the display unit 170, the controller 120 confirms whether the shopping finish signal is input through the key input unit 140 ( S410). If the shopping end signal is not input, steps S210 to S250 are performed.

When the shopping end signal is input, the control unit 120 determines whether the purchase selection signal for the goods stored through the key input unit 140 is input (S420). When the purchase is canceled without selecting the purchase through the key input unit 140, the controller 120 does not perform a process required for payment of the goods. When a signal for selecting a purchase is input through the key input unit 140, the controller 120 transmits purchase selection information to the host 700 (S430).

When the host 700 receives the purchase selection information from the electronic cart 500, the host 700 makes a payment request for payment of the amount according to the price information of the items stored in the shopping information DB 760 in response to the RF-ID of the electronic cart 500. The request information is transmitted to the mobile communication provider 800 (S440). When the mobile communication provider 800 receives the payment request information from the host 700, the mobile communication service provider 800 generates payment information for payment of the goods amount (S450) and transmits the payment confirmation request information for requesting final payment confirmation. Transmit (S460).

The mobile communication terminal 600 receives the payment confirmation request information from the mobile communication provider 800 and waits for the user to select whether to approve the request. When the final payment acceptance signal for the payment confirmation request information is input, the mobile communication terminal 600 transmits the acceptance information for final approval of the payment to the mobile communication service provider 800 (S480). When the final payment cancellation signal for the payment confirmation request information is input, in the payment system of the present embodiment, the payment for the goods is no longer proceeded and the purchase of the goods stored in the electronic cart 500 is canceled.

When the mobile communication service provider 800 receives the final payment approval information from the mobile communication terminal 600, the payment processing is performed on the item for which payment is requested (S485), and the payment completion information is transmitted to the host 700 (S490). The host 700 deletes, from the product information DB 780, the RF-ID of the goods for which payment is completed according to the payment completion information received from the mobile communication provider 800 (S495).

Accordingly, the RF-ID of the article is read using the electronic cart 500 provided with the RF-ID reading unit 130 and transmitted to the host 700, and the payment is performed through the key input unit 140 provided in the electronic cart 500. By requesting and requesting the final payment through the final mobile terminal 600, the host 700 passes through the store by deleting the RF-ID of the goods accepted for the final payment, thereby reducing the time required for payment of the goods And it can provide a more convenient shopping service to the user.

In addition, the electronic cart 500 transmits the RF-ID of the article read by the RF-ID reading unit 130 to the host 700, and the RF-ID reading unit 130 reads the RF-ID of the article from the host 700. By receiving the list and price information and displaying it on the display unit 170, the list of goods and the price selected during shopping can be confirmed in real time.

5 is a flowchart illustrating an example of a procedure for passing a store when payment of goods is completed using the electronic cart 500.

The RF-ID detecting apparatus 900 disposed at the boundary line between the store and the outside stores the RF-ID of the electronic cart 500 and the electronic cart 500 when the electronic cart 500 is located at a predetermined distance from the boundary line. The RF-ID of the article is sensed (S510). The RF-ID detecting apparatus 900 transmits the detected RF-ID of the electronic cart 500 and RF-ID information of the item loaded in the electronic cart 500 to the host 700 (S520).

The host 700 corresponds to the RF-ID of the electronic cart 500 transmitted from the RF-ID detecting apparatus 900, and the RF-ID of the item stored in the electronic cart 500 currently received and the RF of the paid item. -ID matching is compared (S530). The host 700 transmits the matching information, which is the result information on whether the match is performed, to the RF-ID detecting apparatus 900 (S540).

The RF-ID detecting apparatus 900 analyzes the matching government information received from the host 700 (S550), and if the RF-ID of the item stored in the electronic cart 500 and the RF-ID of the paid item are matched. Pass the electronic cart 500 from the store. However, if the analysis result (S550) is determined that the RF-ID of the goods stored in the electronic cart 500 and the RF-ID of the payment items are mismatched, the RF-ID detection device 900 is a non-matching item information To display or generate a warning sound (S570).

Therefore, the RF-ID detecting apparatus 900 automatically detects the RF-ID of the goods stored in the electronic cart 500 and the electronic cart 500 when the user tries to pass through the store with the paid items, and the host 700. Compares the item stored in the electronic cart 500 with the paid item, and the RF-ID detecting apparatus 900 takes a corresponding action according to the result, so that the user tries to pass the store with the paid item. When you do, you can quickly pass through the store without checking the payment list and the loaded items.

According to the present invention, the electronic cart reads the RF-ID of the article and receives the price information of the article corresponding to the read RF-ID from the host and displays the information, and if the purchase selection signal is input thereto, the purchase selection information is transmitted to the host. The host transmits the payment request information to the mobile service provider, and the mobile service provider generates payment information for the payment request information and transmits the payment confirmation request information to the mobile communication terminal to confirm the acceptance and process the payment accordingly. When the payment completion information is transmitted to the host, the host deletes the RF-ID of the completed payment, thereby reducing the time required for payment of the goods and providing a more convenient shopping service to the user.

The electronic cart transmits the RF-ID of the article read by the RF-ID reading unit to the host, receives the list and price information of the article read by the RF-ID reading unit from the host, and displays it on the display, thereby selecting the item selected during shopping. You can check the list and prices in real time.

When attempting to pass through a store with a paid item, the RF-ID detector automatically detects the RF-ID of the cart and items loaded in the cart, and the host matches the item loaded in the cart with the paid item. By comparing the result, the RF-ID sensing device takes the corresponding action so that when the user tries to pass through the store with the paid item, the user passes through the store as soon as possible without checking the payment list and the loaded item. can do.

In the above, specific preferred embodiments of the present invention have been illustrated and described. However, the present invention is not limited to the above-described embodiment, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention attached to the claims. will be.

Claims (13)

delete delete delete delete delete delete delete delete delete In the payment system for paying for goods shopped in the store, A mobile communication terminal for voice and text communication, According to the initial selection, the user information including the assigned RF-ID and the number of the mobile communication terminal is transmitted wirelessly, the RF-ID of the loaded item is read and transmitted wirelessly, and the RF-ID corresponding to the read An electronic cart for receiving and displaying price information of an article and transmitting a purchase selection signal of the article; Register the RF-ID and the user information of the electronic cart sent from the electronic cart, calculate the price of the item corresponding to the RF-ID transmitted from the electronic cart and send it to the electronic cart, select the purchase from the electronic cart A host receiving the signal and transmitting the payment request information of the article, and Receive payment request information from the host to generate payment information, and transmits a payment confirmation request signal to the mobile communication terminal as a short message, and upon receiving the acceptance signal for the payment confirmation request signal from the mobile communication terminal, payment processing and payment It includes a mobile communication provider for transmitting the completion information to the host, When the host receives the payment completion information from the mobile communication provider deletes the RF-ID of the paid item, It is located at the boundary line between the store and the outside where the goods are placed, and detects and transmits the RF-ID of the electronic cart entering and leaving the boundary line to the host, and transmitting the RF-ID to the host. And a RF-ID sensing device that receives a match of the RF-ID of the loaded item and the RF-ID of the paid item and generates a beep when mismatching occurs. delete delete delete

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