KR101288980B1 - System and method for payment buying goods using cart - Google Patents

Abstract

PURPOSE: A purchase product payment system using a cart and a method thereof are provided to allow the cart to read a barcode or radio frequency identification (RFID) tag information, thereby reducing calculation time of purchased products at a counter. CONSTITUTION: A plurality of carts (100) reads RFID tag information and a barcode of a product and generates basic information of the product. A cart calculates total amount by adding prices of purchased products and generates a payment request signal for the total amount. An information processing server (300) generates and transmits a payment approval signal corresponding to the payment request signal. The information processing server searches the basic information or detail information corresponding to receiving of a request signal of the basic information or the detail information of the product. The information processing server transmits search information to each cart. [Reference numerals] (100) Cart; (200) Counter; (210) POS terminal; (220) Communication unit; (230) Receipt output unit; (300) Information processing server; (310) NFC module; (320) Shopping information database unit; (330) Product information database unit; (340) Integrated wireless relay; (350) Information processing control unit; (AA) Wireless communication network

Description

System and Method for Payment Buying Goods Using Cart}

The present invention relates to a purchase product payment system and a method thereof, and more particularly, to a purchase product payment system and a method using a cart that can process payment without taking out a product purchased by a customer in a shopping store.

In general, a large merchandise store or a shopping center stores a commodity to be purchased by a moving means such as a basket or a cart when purchasing the commodity.

When the customer completes the shopping, the user can purchase the goods by placing the items to be paid on the checkout counter and reading the barcode attached to the product with a barcode reader for the final payment.

The cashier at the shopping center lists the purchased goods and reads the barcode information that classifies the name and the value of the goods attached to the goods as data through the POS (Point of Sale) terminal at the checkout counter. Complete the calculation.

In order to pay for a product, it is necessary to place the purchased product on the checkout counter, read the barcode of each product, calculate the amount, and move the purchased product back to the shopping bag or shopping cart. There was a problem with difficulty.

Due to this problem, many customers wait in line at the checkout counter, and the customer's dissatisfaction has increased because the surrounding area is always complicated.

If you want to check the price of the purchased product, there is a inconvenience to check the price tag attached to the place where the product is displayed, there was a problem that can not check the total amount of payment of the purchased product before completing the product settlement.

In order to solve the above problems, the present invention provides a purchase product payment system and method using a cart equipped with a barcode reader and a card reader that can process payment without taking out the goods purchased by the customer in the shopping store. The purpose is.

It is an object of the present invention to provide a payment system and a method for purchasing goods using a cart equipped with an RFID reader and a card reader capable of processing payment without taking out a product purchased by a customer at a shopping store.

Purchasing goods payment system according to a feature of the present invention for achieving the above object,

Read the barcode and RFID tag information of the product to generate basic information of the purchased product including the price information of the product, calculate the total payment amount by adding up the payment amount of the purchased product, and generate a payment request signal for the total payment amount A plurality of carts to perform; And when the payment request signal is received from each cart generates a payment approval signal corresponding to the payment request signal and transmits to each cart, basic information or details of the goods corresponding to the barcode and RFID tag information of the goods from each cart When receiving the request signal of the information, the information processing server for searching the basic information or detailed information of the goods and transmits to each cart.

The purchase product payment method according to a feature of the present invention,

Reading the barcode and RFID tag information of the goods from the terminal device recognizing barcode or RFID tag information of the goods installed in the cart, and generating basic information of the purchased goods including price information of the goods and outputting them to the first screen display unit;

Calculating a total payment amount by adding up the payment amount of the purchased product, generating a payment request signal for the total payment amount, and transmitting the generated payment signal to the information processing server installed in the store;

Receiving a payment approval signal from an information processing server to perform a payment processing; And

And receiving the list of the purchased goods, the payment amount, and the payment total information from the cart at the checkout counter in the store, outputting the information on the second screen display, and outputting a receipt of the paid purchase goods.

By the above-described configuration, the present invention has an effect that the cart can be configured to read the bar code or RFID tag information to reduce the time to calculate the product purchased at the cash register without taking out the goods purchased by the cart.

The present invention can reduce the time required for payment because it is possible to settle a product purchased in a cart, and provides a more convenient shopping service to a user.

1 is a view showing an electronic payment system using a cart according to an embodiment of the present invention.
2 is a perspective view of a cart according to an embodiment of the present invention.
3 is a perspective view showing a cart equipped with a packaging unit according to an embodiment of the present invention.
Figure 4 is an exploded perspective view showing a cart according to an embodiment of the present invention.
5 is a view showing a handle portion of the cart according to the first embodiment of the present invention.
6 is a block diagram schematically showing the configuration of a cart according to the first embodiment of the present invention.
7 is a cross-sectional view briefly showing the configuration of the dye-sensitized solar cell module according to an embodiment of the present invention.
8 is a view showing a character display in the dye-sensitized solar cell module according to an embodiment of the present invention.
9 is a view showing a handle portion of the cart according to the second embodiment of the present invention.
10 is a block diagram schematically showing the configuration of a cart according to a second embodiment of the present invention.
11 is a block diagram showing the configuration of a charging device using a dye-sensitized solar cell module according to an embodiment of the present invention.
12 is a diagram illustrating a purchase product payment method using a cart according to the first and second embodiments of the present invention.
FIG. 13 is a view illustrating a cart passing through a cashier with a non-stop according to the first and second embodiments of the present invention.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention, and like reference numerals designate like parts throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise.

1 is a view showing an electronic payment system using a cart according to an embodiment of the present invention, Figure 2 is a perspective view showing a cart according to an embodiment of the present invention, Figure 3 is a packaging unit according to an embodiment of the present invention 4 is a perspective view showing a cart, FIG. 4 is an exploded perspective view showing a cart according to an embodiment of the present invention, FIG. 5 is a view showing a handle portion of the cart according to the first embodiment of the present invention, and FIG. 1 is a block diagram schematically showing the configuration of a cart according to an embodiment.

1 to 5, the electronic payment system using the cart according to the embodiment of the present invention includes a cart 100, a checkout counter 200, and an information processing server 300.

The cart 100 includes a space portion 101 having an upper portion for loading goods and four side frames and a lower surface frame closed with a metal material, a handle portion for selecting a moving direction of the cart 100, A carrying portion 109 representing a wheel formed in a circular shape for moving the cart 100 and a hook hole 108 are formed at an upper end of each side frame constituting the space portion 101 to be mounted to the space portion 101. It serves to fix the packaging 500 including a standardized vinyl or box. Here, the packaging part 500 is configured to be hooked to the hanger 108 is formed four holes of the upper end.

The side frame representing the front and left and right sides of the cart 100 on the basis of the handle portion protrudes outward from the side frame to form a rectangular protective frame 102.

Each protection frame 102 is formed with a light emitting diode (LED) module 180, a dye-sensitized solar cell module 190, and a protection layer 182 integrally formed thereon and a display unit.

The power generation and display units 180, 190, and 182 are fixed through the support plate 106 at the lower portion and the fixing unit 104 at the upper portion of the protection frame 102, and are inclined at an angle for power generation efficiency.

In the present embodiment, a case of using a solar cell as a power source has been described as an example, but may be configured to implement the present invention in the same manner using a rechargeable battery, a mercury battery, a dry battery, and the like.

The cart 100 of the first embodiment of the present invention is shown in Figs.

As shown in FIG. 6, the cart 100 of the first embodiment of the present invention includes a radio frequency identification (RFID) antenna 110, an RFID reader 120, a key input unit 130, a display unit 140, and a card reader. 142, a controller 150, a wireless transceiver 160, a charging device 170, an LED module 180, and a dye-sensitized solar cell module 190.

When the plurality of RFID antennas 110 carries the goods with the RFID tag in the cart 100, the RFID antenna 110 receives the RFID tag information from the RFID tag through radio frequency communication and transmits the RFID tag information to the RFID reader 120.

The RFID antenna 110 is distributed and disposed inside the cart such as front, rear, left and right sides of the inside of the cart so that the RFID tag information can be read by simply placing the goods with the RFID tag in the cart 100.

The RFID reader 120 generates basic information of a purchased product including price information of the product corresponding to the RFID tag information received from the RFID antenna 110.

The key input unit 130 may include a selection key for selecting the user's information input, shopping end, purchase selection, and purchase cancellation, and may configure a menu corresponding to the selection key provided in the key input unit 130 as a touch screen panel. .

The display unit 140 outputs a list and price information of a product read by the RFID reader 120, and outputs information on a store, store usage guide information, product location information, and product advertisement information.

The card reader 142 reads and processes payment information stored in the card.

The controller 150 calculates the total payment amount by adding up the payment amount of the purchased goods, generates a payment request signal for the total payment amount and the payment information, and transmits the information to the information processing server 300 through the wireless transceiver 160. The payment approval signal is received from the server 300 to control payment processing.

The controller 150 generates a product selection signal input through the key input unit 130 and transmits the signal to the information processing server 300, and receives the location information of the product in the store from the information processing server 300 and displays the display 140. Can be output to

The charging device 170 stores electrical energy obtained from the dye-sensitized solar cell module 190 and provides the stored electrical energy as a power supply source of the cart 100.

As shown in FIG. 7, the dye-sensitized solar cell module installed in each of the protective frames 102 includes transparent glass substrates 191 and 192 and a catalyst electrode 193 having a transparent film 194 attached thereto. , And a working electrode 195, a dye 196, an electrolyte 197, and a sealant 198 having a nanoparticle (TiO ₂ , titanium dioxide) structure.

The dye-sensitized solar cell module 190 has a simple structure in which nanoparticles 195 and an electrolyte 197, which adsorb specific dyes 196, are sandwiched between two glass substrates 191, .

The dye-sensitized solar cell module 190 can increase the display effect by diversifying the color of the dye 196.

For example, if the color is black, N749, red, N3, N719, blue, N790, yellow, D131 is used.

The color is not limited to such a color but the composition ratio of the dye itself and the mixing ratio between the different dyes may be varied to enlarge the color.

In the dye-sensitized solar cell module 190, a dye-sensitized solar cell or module manufactured so that the dye 196 has a different color is used as a cell or module except for a portion to express a desired message.

As shown in FIG. 8, the dye-sensitized solar cell module 190 of the present invention divides the partitions to form an upper module 190a and a lower module 190b.

The upper module 190a is configured to have a different color between the portion marked 'payment completed' and the excluded portion 196. Similarly, the lower module 190b is configured to have a different color between the portions marked 'purchase selection' and the portions except for the portions 196.

A protective layer 182 is formed on the front surface of the dye-sensitized solar cell module 190 and an LED module 180 is formed on the back surface to irradiate light.

As shown in FIG. 8, when the shopping of the purchased product is completed, the controller 150 controls the LED module 180 to irradiate light and operate the upper module 190a to display the phrase 'payment completed'. When the control and the shopping of the purchased product continues, the LED module 180 is controlled to irradiate light and operate the lower module 190b to display the phrase 'purchase selection'. Accordingly, the cart 100 may determine whether the cart 100 is currently in the payment completed state in which shopping is completed or the cart 100 is in the purchase selection state in which shopping is currently in progress.

The checkout counter 200 includes a POS terminal 210, a communication unit 220, and a receipt output unit 230. In addition, a barcode reader / RFID reader that indicates the total product purchased and the purchase price by receiving barcode information or RFID information of the purchased product, a shopping money card reader that barcodes the shopping money card by contact and non-contact during payment of the shopping money card. The card reader 142 may further include a card reader 142 that wirelessly receives the purchase information stored in the recognizer or the RFID recognizer, outputs it to the screen display unit, and selects any one of cash payment, card payment, and shopping card payment.

The cart 100 of the present invention includes a payment function of a purchased product, but when a cause such as an error or a failure of the cart 100 occurs, the barcode reader / RFID can handle the payment function at the checkout counter 200. A recognizer, a shopping card reader, and a card reader 142 may be provided.

When the POS terminal 210 receives the payment completion signal from the cart 100 through the communication unit 220 when the cart 100 approaches a certain range, the purchase product list, the payment amount, and the total amount of payment from the cart 100 Receive the information and output it to the screen display.

The force terminal 210 controls the operation of the force terminal 210 through the user's key input and outputs a status message on the operation of the force terminal 210 to the screen display unit.

The receipt output unit 230 receives a purchase product list and payment amount information from the POS terminal 210 and outputs a receipt of the paid purchase product.

The information processing server 300 includes a short range wireless communication module 310, a shopping information database unit 320, a product information database unit 330, a wireless integrated repeater 340, and an information processing control unit 350.

The short range wireless communication module 310 communicates with the cart 100 or the checkout counter 200 for information exchange through radio frequency communication.

The shopping information database unit 320 is a list and price of a product corresponding to the RFID information assigned to the cart 100 transmitted from the cart 100, the RFID information of the product read from the RFID reader 120 included in the cart 100. Save the information.

The product information database unit 330 stores a list of goods, a location, RFID and price information corresponding to the list of goods, and detailed information of the goods.

When the payment request signal is received from the cart 100, the information processing control unit 350 requests a payment by interworking with a card company server through a wireless integrated repeater 340 in the case of a credit card according to a payment method, and in the case of a debit card, The payment request is linked with the bank server through the wireless integrated repeater 340.

When the approval of the payment request is completed through the wireless integrated repeater 340, the information processing controller 350 generates a payment approval signal through the short range wireless communication module 310 and transmits the generated approval signal to the cart 100.

When the information processing control unit 350 receives a request signal for the basic information or the detailed information of the product corresponding to the barcode and RFID tag information of the product from the cart 100, the information processing control unit 350 sends the basic information or the detailed information of the product to the product information database unit ( In operation 330, the search is sent to the cart 100.

Next, the cart 100 of the second embodiment of the present invention is shown in FIGS. 2 to 5, 9 and 10.

9 is a view showing the handle portion of the cart according to the second embodiment of the present invention, Figure 10 is a block diagram showing the configuration of the cart according to a second embodiment of the present invention.

The cart 100 according to the second embodiment of the present invention includes a barcode recognition module 400, a key input unit 130, a display unit 140, a card reader 142, a controller 150, a wireless transceiver 160, The charging device 170, the LED module 180, and the dye-sensitized solar cell module 190 are included.

In the following, when the second embodiment of the present invention overlaps with the components of the first embodiment of the present invention described above, the same reference numerals are used and detailed description thereof will be omitted.

The barcode recognition module 400 includes a light source driver 410 for driving a laser light source, an optical assembly 420 for adjusting a focus of light generated from the light source, and an assembly driver for driving the optical assembly 420. 430, a mirror 440 for controlling the direction of light irradiation, a filter 450 for selectively entering and exiting light, a light sensor 460 for sensing incident light, an analog amplifier 470, and an analog Digitizer 472 for analyzing the light output from the amplifier 470, decoder 480 for analyzing the light of the digitizer 472, and A / D converter for converting the output signal of the analog amplifier 470 into a digital signal 482 and a barcode control unit 490 for determining whether or not there is an abnormality in data received from the A / D converter 482.

The barcode recognition module 400 operates the light source driver 410 to control the light source so that the light passing through the mirror 440 and the filter 450 scans the barcode from one side to the other side.

The light detector 460 detects a change signal of the intensity of light by generating a change in the intensity of the reflected light corresponding to the black and white stripe of the barcode.

The light intensity change signal detected by the electrical signal change is amplified to a sufficient magnitude in the analog amplifier 470, is converted into a digital signal by the digitizer 472 and the A / D converter 482 and applied to the decoder 480.

The barcode controller 490 receives a signal from the decoder 480 to determine whether a current barcode signal is detected to be in a normal state and determines whether the barcode is normal.

The cart 100 according to the second embodiment of the present invention recognizes barcode information of a product, generates basic information of a purchased product including price information of the product corresponding to the barcode information, and adds up the settlement amount of the purchased product. Calculate the payment total amount and generate a payment request signal for the payment total amount and the payment information processed by the card reader 142, and transmits it to the information processing server 300 through the wireless transceiver 160, and from the information processing server 300. Receive a payment approval signal to perform payment processing.

11 is a block diagram showing the configuration of a charging device using a dye-sensitized solar cell module according to an embodiment of the present invention.

The charging device 170 using the dye-sensitized solar cell module 190 according to an embodiment of the present invention includes a connection part 172 for connecting the dye-sensitized solar cell module 190, a constant voltage control part 174, a charging part 176, A battery 178 and a charge control unit 179. [

The charging device 170 charges the power generated by the dye-sensitized solar cell module 190 to the battery 178, and the charged battery 178 supplies power to the measurement unit 140.

The dye-sensitized solar cell module 190 generates and supplies electric power by using sunlight and room light. The dye-sensitized solar cell module 190 is constructed by connecting at least one dye-sensitized solar cell, Power is generated using light.

The connection part 172 is a part for connecting the dye-sensitized solar cell module 190 with the charging circuit of the secondary battery type, and is an electrical wiring for connecting the dye-sensitized solar cell module 190 and the charging circuit.

The charging circuit includes a constant voltage controller 174 and a charging unit 176, and converts the power generated from the dye-sensitized solar cell module 190 into a charging voltage which is a constant voltage and controls charging of the charging voltage.

The constant voltage control unit 174 controls the power output from the dye-sensitized solar cell module 190 in a constant voltage control manner, that is, converts the power generated from the dye-sensitized solar cell module 190 into a charging voltage.

The charging unit 176 charges the battery 178 with the charging voltage converted by the constant voltage control unit 174. [

The battery 178, as a rechargeable rechargeable battery, is charged by the charging voltage provided from the charging circuit.

The charging control unit 179 checks the amount of charge of the battery 178 and periodically transmits it to the control unit 150.

The controller 150 transmits the charge amount of the battery built in the dye-sensitized solar cell module to the information processing server 300. The information processing server 300 may determine the remaining battery amount of each cart 100 to select the cart 100 having a battery problem.

12 is a diagram illustrating a purchase product payment method using a cart according to the first and second embodiments of the present invention.

The cart 100 equipped with the RFID reader 120 or the barcode recognition module 400 selects a product to purchase and receives barcode or RFID tag information from the selected product in a contact or non-contact manner (S100).

The controller 150 calculates the total payment amount by adding up the payment amount of the purchased product list, receives the list of the purchased product, price information, and the total payment amount, and outputs the received amount through the display unit 140 (S102).

The controller 150 receives one of the function buttons of the shopping end signal indicating the end of shopping, the purchase selection signal through which the purchase of the product proceeds, and the purchase cancellation selection signal through which the purchase of the product is canceled through the key input unit 130 (S104). ).

When the shopping end signal is received from the key input unit 130, the controller 150 transmits a payment request signal to the information processing server 300 through the wireless transceiver 160 when a card payment or shopping money card payment method is selected. In step S106, the payment approval signal is received from the information processing server 300 to perform a payment processing process.

When the purchase selection signal of the product is received from the key input unit 130, the controller 150 continues to purchase the product. When the purchase cancellation selection signal of the product is received from the key input unit 130, the controller 150 purchases the input canceled product. Delete from one product list (S108).

When the cart 100 approaches the checkout counter 200 in a predetermined range, the controller 150 converts the product list including the price information from the cart 100 and the payment total amount into a wireless signal and transmits the result to the checkout counter 200. (S110).

The force terminal 210 is output to the screen display unit when the product purchase list including the price information and the total purchase amount are received from the cart 100.

When the receipt output signal is received from the POS terminal 210, the receipt output unit 230 prints and outputs a receipt of the purchased product list (S112).

POS terminal 210, when the customer pays using cash, pays using cash.

As shown in Figure 13, the cart 100 of the first and second embodiments of the present invention can be calculated immediately by passing through the cashier 200 without taking out the goods to implement a non-stop purchase goods payment system.

The embodiments of the present invention described above are not implemented only by the apparatus and / or method, but may be implemented through a program for realizing functions corresponding to the configuration of the embodiment of the present invention, a recording medium on which the program is recorded And such an embodiment can be easily implemented by those skilled in the art from the description of the embodiments described above.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It belongs to the scope of right.

100: Cart
101: space part
102: protective frame
104: fixed part
106: support plate
108: hanger
109: transport
110: RFID antenna
120: RFID reader
130: key input unit
140:
142: card reader
150:
160: wireless transceiver
170: Charging device
180: LED module
182: protective layer
190: Dye-sensitized solar cell module
200: checkout counter
210: force terminal
220:
230: receipt output unit
300: information processing server
310: near field communication module
320: shopping information database
330: product information database unit
340: wireless integrated repeater
350: information processing control unit
400: barcode recognition module
500: packaging

Claims (14)

In the purchase payment system,
By reading the barcode and RFID tag information of the product to generate the basic information of the purchased product including the price information of the product, calculate the total amount of payment by adding up the payment amount of the purchased product, and generates a payment request signal for the total amount of the payment A plurality of carts for performing payment processing; And
When the payment request signal is received from each cart, a payment approval signal corresponding to the payment request signal is generated and transmitted to each cart, and the goods corresponding to the barcode and RFID tag information of the goods from each cart. When receiving a request signal of the basic information or detailed information of the information processing server for searching for the basic information or detailed information of the goods and transmits to each cart,
Each cart includes a power generation and display unit which is disposed on the side frame from the side frame to the outside to form a light emitting diode (LED) module and a dye-sensitized solar cell module thereon.
The power generation and display unit is spaced apart by a predetermined distance to form a guide bar-shaped protection frame and is fixed inclined at an angle through a fixing plate having a flat plate-shaped support plate at the bottom and a groove in the longitudinal direction at the top,
The dye-sensitized solar cell module includes a transparent glass substrate with a transparent film, a counter electrode (counter electrode), a working electrode having a nanoparticle (TiO ₂ ) structure, a dye, an electrolyte, and a sealing material. ,
The dye is composed of a dye of black color N749, red color N3, N719, blue color N790, and yellow color D13,
The dye-sensitized solar cell module is divided into a first module which is a part to express a desired message and a second module which is a part except the first module, and is arranged with the dyes of different colors so that each has a different color. ,
Each cart is input to a key input unit for receiving one function button among a shopping end signal indicating the end of shopping, a purchase selection signal for purchasing a product, and a purchase cancellation selection signal for canceling a product purchase, and the key input unit. And a control unit for controlling the operation of the light emitting diode and the dye-sensitized solar cell module according to the received signal. When the purchase of the purchased product is completed, the controller controls the light emitting diode module to irradiate light and operates the first module and the second module through the dye-sensitized solar cell module to display the phrase 'payment completed'. Control to display, and if the shopping of the purchased product continues, the controller controls the light emitting diode module. The control of irradiating light to control the purchase product payment system for controlling the display of the phrase 'purchase selection' by operating the first module and the second module through the dye-sensitized solar cell module.
The method of claim 1,
Each cart is
An RFID reader for generating basic information of a purchased product including price information of the product corresponding to the RFID tag information received from a radio frequency identification (RFID) antenna; And
A card reader for reading and processing payment information stored in a card; Further comprising:
The control unit calculates a total payment amount by adding up the payment amount of the purchased product, generates a payment request signal for the total payment amount and the payment information, transmits the signal to the information processing server through a wireless transceiver, and approves the payment from the information processing server. A purchase item payment system that receives signals and controls payment processing.
The method of claim 1,
Each cart is
A barcode recognition module for recognizing the barcode information by scanning light of a light source from one side of the barcode information of the product to the other side, and generating basic information of a purchased product including price information of the product corresponding to the barcode information; And
A card reader for reading and processing payment information stored in a card; Further comprising:
The control unit calculates a total payment amount by adding up the payment amount of the purchased product, generates a payment request signal for the total payment amount and the payment information, transmits the signal to the information processing server through a wireless transceiver, and approves the payment from the information processing server. A purchase item payment system that receives signals and controls payment processing.
delete The method of claim 1,
Each cart further comprises a charging device for charging the power generated by the dye-sensitized solar cell module to the battery and the charged battery to supply power.
The method of claim 1,
When each cart approaches a predetermined distance range, a checkout counter for receiving the list of the purchased goods, the payment amount and the total payment amount from the respective carts, outputting them to a screen display unit, and outputting a receipt of the paid purchase goods.
Purchasing goods payment system including more.
The method of claim 1,
The power generation and display unit protrudes outwards from the side frame of each cart to form a rectangular protection frame for protecting the power generation and display unit.
delete delete The method of claim 1,
Each of the carts is formed with four side frames of the front and rear and left and right sides and a bottom surface frame formed of a metal material to form a space part of a predetermined space, and a hook is formed on the top surfaces of the four side frames. And a packing unit including a vinyl or a box mounted on a space part to hold the purchased product and to fix the hooked product through a hole at one end of the upper end.
delete The method according to claim 2 or 3,
And the control unit generates a product selection signal input through the key input unit and transmits the product selection signal to the information processing server, and receives location information of the product in the store from the information processing server and outputs the product location information to the screen display unit.
The method of claim 2,
The control unit is a purchase product payment system for receiving the charge amount of the battery built in the dye-sensitized solar cell module and transmits to the information processing server.
delete

Images