KR20230056650A - Method of dealing used goods therefor - Google Patents

Abstract

A method includes: receiving purchase information about purchased items purchased by a buyer; generating and storing transaction history information based on the received purchase information; receiving resale information from the buyer when the buyer requests the resale of the purchased items; comparing the transaction history information and the resale information; verifying the resale information; and displaying the resale information if the verification is valid.

Description

Method of dealing used goods and its device {Method of dealing used goods therefor}

The present invention relates to a used transaction method and device therefor, and more particularly, to a used transaction method and device for managing a transaction history of used products and verifying the authenticity of used products to prevent false or fraudulent transactions.

Used trading refers to the act of buying and selling used goods. Currently, there are many sites or applications that provide services for used goods, and are continuously being created.

Most of the used transactions occur from person to person. When using a site or application, it is not possible to directly check the used transaction target, so fraud cases occur very frequently.

Methods to prevent fraudulent incidents, such as escrow of used transaction prices, have been attempted, but it is very difficult to prevent fraudulent incidents when transactions are made through trading sites.

1. Registered Patent Publication No. 10-1789076 (Title of Invention: Method for Providing Used Market Service Based on Purchase History), Announced on October 26, 2017 2. Patent Publication No. 10-2015-0006919 (Title of Invention: Method and Apparatus for Selling Used Content), published on January 20, 2015 3. Patent Publication No. 10-2016-0064360 (Title of Invention: Used Digital Contents Trading System and Method), published on June 8, 2016

An object to be solved by the present invention is to provide a used transaction method and apparatus through authenticity authentication of used products by managing the history of used products for sale in order to prevent fraud in used transactions.

According to an embodiment of the present invention for solving the above technical problem, the used transaction method includes receiving purchase information about a purchase item purchased by a buyer; generating and storing transaction history information based on the received purchase information; receiving resale information from the purchaser when the purchaser requests resale of the purchased product; verifying the resale information by comparing the transaction history information with the resale information; and providing the resale information if the verification is valid.

The used transaction method may include calculating an appropriate price of the purchase item to be resold based on the transaction history information and the resale information; and providing the calculated proper price to the purchaser.

The used trading method may further include, when displaying the resale information, transmitting the resale information to a site that sold the purchased product.

The used transaction method may further include updating the resale information to the transaction history information when the purchased product is resold.

According to another embodiment of the present invention for solving the above technical problem, the used trading device includes a receiving unit for receiving purchase information on a purchase product purchased by a buyer; a transaction history information management unit generating transaction history information based on the received purchase information; a storage unit that stores the transaction history information; a verification unit verifying the resale information by comparing the transaction history information and the resale information when receiving resale information from the buyer; and a controller providing the resale information through a display when the verification is valid.

According to the present invention, by authenticating purchased products, it is possible to fundamentally block registration of inconsistent products, thereby blocking registration of false or exaggerated products in advance.

1 is a diagram showing a flowchart of a used trading method according to an embodiment of the present invention.
2 is a flowchart illustrating a used trading method according to another embodiment of the present invention.
3 is a block diagram of a used trading device according to an embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and the spirit of the present invention will be sufficiently conveyed to those skilled in the art.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, the terms "include" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having meanings consistent with the meanings in the context of the related art, and unless explicitly defined in this application, they should not be interpreted in ideal or excessively formal meanings. don't

A preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram showing a flowchart of a used transaction method according to an embodiment of the present invention.

Referring to FIG. 1 , in step 110, a device that performs a second-hand transaction method (hereinafter, referred to as a 'second-hand transaction device') receives purchase information about a product purchased by a buyer.

In one embodiment of the present invention, the used trading device may receive purchase information from a site or device where a buyer purchases a purchased product. The purchase information may include specification information (model name, manufacturer, manufacturing year, serial number, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

In another embodiment of the present invention, the used trading device may receive purchase information on a purchase product from a purchaser. The purchase information may be an e-mail received from a purchase site, a text message, or a purchase receipt image, or may be information input by a user through an interface provided by a used trading device. Here, the purchase information may also include specification information (model name, manufacturer, manufacturing year, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

In another embodiment of the present invention, when a purchaser purchases a purchase item offline, the purchaser authenticates the purchase item at the site of the manufacturer or seller of the purchase item. Thereafter, the used transaction device may receive purchase information on the purchased product from the site of the manufacturer or seller, or may receive purchase information on the purchased product directly from the buyer.

When receiving purchase information on a purchased product directly from a purchaser, the used trading device receives authentication from the site of the manufacturer or seller of the purchased product. In this case, the present invention assumes that authentication is valid.

If the purchased product is a rental product, the purchase information may further include rental price information, rental period information, and rental company information. In this case, the used transaction device receives purchase information from the rental company or, when receiving purchase information directly from the purchaser, receives approval and certification for used transaction from the rental company.

If the purchase product is an installment product, the purchase information may further include installment price information and installment period information.

In step 120, the used transaction device generates and stores transaction history information based on the received purchase information.

An item ID is generated based on the purchase information for the purchased item included in the purchase information. Product ID is uniquely assigned to each purchased item. Purchase history information is created including product ID and purchase information. In addition, when the buyer information is not the user ID information stored in the used trading device, user ID information corresponding to the buyer information is extracted and added to the purchase history information. In the present invention, the user ID is preferably a unique user phone number.

In step 130, when the buyer makes a resale request for the purchased product, the used trading device receives resale information from the buyer.

The resale information includes sales product information, a current image of a purchased product, resale price information, and sales product description information input by a buyer. The buyer accesses the used trading device, selects from at least one purchased product, and requests resale. When requesting resale, the user must input the resale price.

In step 140, the used trading device compares the transaction history information and the resale information to verify the resale information.

The used transaction apparatus extracts the product image included in the transaction history information and extracts and compares the current product image included in the resale information to verify whether the resold product is the same as the purchased product included in the transaction history information. In addition, the used trading device verifies whether information other than the image, such as sales product description information, matches the contents of the transaction history information. Alternatively, the used trading device may verify the current image of the resale item by comparing it with data in the product database in connection with the product database of another site.

For this reason, the used trading device can prevent the registration of false or exaggerated products in advance by fundamentally blocking the registration of inconsistent products.

The used trading device transmits a random value to the buyer, and the buyer creates a watermark using the received value as a seed. In this state, when a buyer creates an image by photographing a product to be resold, a watermarked product image is created. Alternatively, the used transaction device may provide a nonce related to encryption to the purchaser, and preview the watermark generated based thereon on the purchaser's camera to generate a watermarked product image. In this case, the used transaction device may verify the image of the current product. In another embodiment, the repurchaser may act as a used transaction device, and the repurchaser may check the image of the current resale item to be delivered to the repurchase.

In step 150, the used trading device calculates a resale appropriate price of the purchased product to be resold based on the transaction history information and the resale information, and provides the calculated appropriate price to the repurchaser.

The used transaction device may collect used transaction prices of products corresponding to transaction history and resale information from external sites to calculate an average used transaction price or calculate an appropriate resale price based on the current state of the relevant product. The used transaction device provides the calculated appropriate price to the buyer, and the buyer may modify the resale information based on this.

As another embodiment of the present invention, the used transaction device may directly modify resale information based on the calculated resale appropriate price.

If the purchased product is a rental or installment product, the used transaction device calculates the price of the original product, the purchaser's period of use and the prepaid rental or installment cost, and the average price of the purchased product in the used transaction market to determine the appropriate value of the purchased product. can also be calculated.

In step 160, if verification is valid, the used trading device provides resale information.

In one embodiment of the present invention, the second-hand trading device connects purchase history information to resale information and provides it to the outside. Accordingly, when a third party selects the displayed resale information, the third party can also check the purchase history information.

In step 170, when the resale of the purchased product is completed, the used trading device updates the resale information to the transaction history information.

The second-hand trading device may update the resale price, repurchaser information, and the like to the transaction history information to continuously manage the purchase and sale records of the corresponding product.

In one embodiment of the present invention, when displaying resale information on a used transaction device, the second hand transaction device transmits the resale information to a site that sells a purchased product. Thereafter, the site that sold the purchased product may generate advertisement information including a substitute product for the product corresponding to the corresponding resale information and a reward therefor, and transmit the generated advertisement information to the purchaser.

2 is a flowchart illustrating a used trading method according to another embodiment of the present invention.

Referring to FIG. 2 , in step 210, the used transaction device receives resale information from the reseller.

The resale information includes a user ID, sales product information (vendor information, purchase date, purchase price, etc.), current image of the purchased product, resale price information, and sales product description information entered by the reseller. The reseller must be subscribed to the used transaction device or the service provided by the used transaction device, and must have a user ID in advance. Resale information may be extracted from e-mails, text messages, or purchase receipt images provided by the reseller.

In step 220, the used trading device receives purchase information of resale items from a seller of the resale items according to the resale information. In one embodiment of the present invention, the used transaction device may request purchase information on sales product information from a site or device where a reseller purchased a resold product, and may receive purchase information from them. The purchase information may include specification information (model name, manufacturer, manufacturing year, serial number, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

If the resale item is a rental product, the resale information may further include rental price information, rental period information, and rental company information. In this case, when receiving purchase information from the rental company or direct resale information from the purchaser, the used transaction device receives approval and certification for the used transaction from the rental company.

If the resale item is an installment product, the resale information may further include installment price information and installment period information.

In step 230, the used trading device compares the received purchase information and resale information of the resale product to verify the resale information.

The used trading device verifies the resale information when the content included in the purchase information of the received resale product and the content included in the resale information match. For this reason, the used trading device can prevent the registration of false or exaggerated products in advance by fundamentally blocking the registration of inconsistent products.

In step 240, the used trading device generates and stores transaction history information based on the received purchase information and resale information of the resale product.

Assign an item ID to a resale item. An item ID is uniquely assigned to each individual resale item. Purchase history information is created by including product ID, purchase information, and resale information.

In step 250, the used trading device calculates a resale appropriate price of the purchased product to be resold based on the transaction history information and the resale information, and provides the calculated appropriate price to the repurchaser.

The used transaction device may collect used transaction prices of resale items corresponding to transaction history information and resale information from external sites to calculate an average used transaction price or calculate an appropriate resale price based on the current state of the relevant resale items. The used trading device provides the calculated appropriate price to the reseller, and the reseller may modify resale information based on this. As another embodiment of the present invention, the used transaction device may directly modify resale information based on the calculated resale appropriate price.

If the resale item is a rental or installment product, the used transaction device calculates the price of the original product, the reseller's period of use and the prepaid rental or installment cost, and the average price of the purchased item in the used transaction market to determine the appropriate value of the resell item. can also be calculated.

In step 260, the used trading device provides resale information to the outside.

In one embodiment of the present invention, the second-hand trading device connects purchase history information to resale information and provides it to the outside. Accordingly, when a third party selects the displayed resale information, the third party can also check the purchase history information.

In step 270, when the resale of the resale product is completed, the used trading device updates the resale information to the transaction history information.

The second-hand trading device may update the resale price, repurchaser information, and the like to the transaction history information to continuously manage the purchase and sale records of the corresponding product.

In one embodiment of the present invention, when displaying resale information on a used transaction device, the second hand transaction device transmits the resale information to a site that sells a resale item. Thereafter, the corresponding site may generate advertisement information including a substitute product for the product corresponding to the corresponding resale information and a reward therefor, and transmit the generated advertisement information to the reseller.

3 is a block diagram of a used trading device according to an embodiment of the present invention.

Referring to FIG. 3 , the used trading device 300 includes a receiving unit 310 , a transaction history information management unit 320 , a storage unit 330 , a verification unit 340 and a control unit 350 .

The receiving unit 310 receives purchase information about a purchased product purchased by a buyer.

In one embodiment of the present invention, the receiving unit 310 may receive purchase information from a site (not shown) or device where a purchaser purchases a purchase product. The purchase information may include specification information (model name, manufacturer, manufacturing year, serial number, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

In another embodiment of the present invention, the receiving unit 310 may receive purchase information on a purchased product from a purchaser. The purchase information may be e-mail, text, or receipt image received from a purchase site, or may be information input by the user through an interface provided by the used trading device. Here, the purchase information may also include specification information (model name, manufacturer, manufacturing year, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

In another embodiment of the present invention, when a purchaser purchases a purchase item offline, the purchaser authenticates the purchase item at the site of the manufacturer or seller of the purchase item. Thereafter, the receiving unit 310 may receive purchase information on the purchased product from the site of the manufacturer or seller, or may receive purchase information on the purchased product directly from the purchaser.

When receiving purchase information on a purchase product directly from a purchaser, the used trading device 300 receives authentication from the site of the manufacturer or seller of the purchase product. In this case, the present invention assumes that authentication is valid.

If the purchased product is a rental product, the purchase information may further include rental price information, rental period information, and rental company information. In this case, the used transaction device 300 receives purchase information from the rental company or, when receiving purchase information directly from the purchaser, receives approval and certification for used transaction from the rental company.

If the purchase product is an installment product, the purchase information may further include installment price information and installment period information.

The transaction history information management unit 320 generates and stores transaction history information based on the received purchase information.

The transaction history information management unit 320 generates a product ID based on the purchase information for the purchased product included in the purchase information. The product ID may be uniquely assigned to each purchased product. Purchase history information is generated including product ID and purchase information. Also, when the buyer information is not the user ID information stored in the storage unit 330, the transaction history information management unit 320 extracts user ID information corresponding to the buyer information and adds it to the purchase history information. In the present invention, the user ID is preferably a unique user phone number.

After that, the receiving unit 310 receives resale information from the second-hand trading device from the buyer.

The resale information includes sales product information, a current image of a purchased product, resale price information, and sales product description information input by a buyer. The buyer can connect to the used trading device and request resale by selecting from the purchased items. When requesting resale, the user must input the resale price.

The verification unit 340 compares the transaction history information and the resale information to verify the resale information. The verification unit 340 extracts the product image included in the transaction history information, extracts and compares the current product image included in the resale information, and verifies whether the resale product is the same as the purchase product included in the transaction history information. . In addition, the verification unit 340 verifies whether information other than the image, such as product description information for sale, matches the contents of the transaction history information. Alternatively, the verification unit 340 may verify the current image of the resale product by comparing it with data in the product database in association with a product database of another site.

For this reason, the used trading device can prevent the registration of false or exaggerated products in advance by fundamentally blocking the registration of inconsistent products.

The verification unit 340 transmits a random value to the purchaser, and the purchaser creates a watermark using the received value as a seed. In this state, when a buyer creates an image by photographing a product to be resold, a watermarked product image is created. Alternatively, the verification unit 340 may provide a nonce related to encryption to the purchaser, and preview the watermark generated based thereon on the purchaser's camera to generate a watermarked product image. In this case, the verification unit 340 may verify the current product image. In another embodiment, the repurchaser may act as a used transaction device, and the repurchaser may check the image of the current resale item to be delivered to the repurchase.

The controller 350 calculates an appropriate resale price of a purchased product to be resold based on the transaction history information and the resale information, and provides the calculated appropriate price to the buyer.

The control unit 350 may calculate the average used transaction price by collecting the used transaction price of the product corresponding to the transaction history and resale information from an external site, or calculate the appropriate resale price based on the current state of the product. The controller 350 provides the calculated appropriate price to the buyer, and the buyer may modify the resale information based on this. As another embodiment of the present invention, the controller 350 may directly modify resale information based on the calculated resale value.

If the purchased product is a rental or installment product, the controller 350 calculates the price of the original product, the period of use of the purchaser, the pre-paid rental or installment cost, and the average price of the purchased product in the secondary market to determine the value of the purchased product. A fair value can also be calculated.

If verification is valid, the controller 350 provides resale information through a display.

In one embodiment of the present invention, the controller 350 connects purchase history information to resale information and provides it to the outside. Accordingly, when a third party selects the displayed resale information, the third party can also check the purchase history information.

When the resale of the purchased product is completed, the transaction history information management unit 320 updates the resale information to the transaction history information.

The transaction history information management unit 320 may update the resale price, repurchaser information, and the like to the transaction history information to continuously manage the purchase and sale records of the corresponding product.

In one embodiment of the present invention, when displaying resale information on a used trading device, the controller 350 transmits the resale information to a site that sells a purchased product. Thereafter, the site that sold the purchased product may generate advertisement information including a substitute product for the product corresponding to the corresponding resale information and a reward therefor, and transmit the generated advertisement information to the purchaser.

The following example is a case of accessing a used trading device for the first time and making a used transaction.

In this case, the receiver 310 first receives resale information from the reseller. The resale information includes a user ID, resale product information (vendor information, date of purchase, purchase price, etc.), current image of the resale product, resale price information, and resale product description information entered by the reseller. The reseller must be subscribed to the used transaction device or the service provided by the used transaction device, and must have a user ID in advance. Resale information may be extracted from e-mails, text messages, or purchase receipt images provided by the reseller.

After that, the receiving unit 310 receives purchase information of a resale product from a seller of the resale product according to the resale information. In one embodiment of the present invention, the controller 350 may request purchase information on a resale item from a site or device where a seller purchased a resale item, and the receiving unit 310 may receive purchase information from them. The purchase information may include specification information (model name, manufacturer, manufacturing year, serial number, etc.) of the purchased product, purchase date, purchase price, product image, vendor information, and buyer information.

If the resale item is a rental product, the resale information may further include rental price information, rental period information, and rental company information. In this case, when receiving purchase information from a rental company or direct resale information from a reseller, the used transaction device 300 receives approval and authentication for used transaction from the rental company.

If the resale product is an installment product, the resale information may further include installment price information and installment period information.

After that, the verification unit 340 compares the received purchase information and resale information of the resale product to verify the resale information.

The verification unit 340 verifies the resale information when the content included in the received purchase information of the resale product and the content included in the resale information match. For this reason, the used trading device can prevent the registration of false or exaggerated products in advance by fundamentally blocking the registration of inconsistent products.

After verification, the transaction history information management unit 320 generates and stores transaction history information in the storage unit 330 based on the received purchase information and resale information of resale items.

The transaction history information management unit 320 assigns an item ID to resale. An item ID is uniquely assigned to each individual resale item. Purchase history information is created by including product ID, purchase information, and resale information.

After that, the functions of the control unit 350 and the transaction history information management unit 320 are the same as above.

The used transaction method as described above can also be implemented as a computer readable code on a computer readable recording medium. Computer-readable recording media include all types of recording media in which data that can be read by a computer system is stored. Examples of computer-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, and optical data storage devices. In addition, the computer-readable recording medium is distributed in computer systems connected through a network, so that computer-readable codes can be stored and executed in a distributed manner. Also, functional programs, codes, and code segments for implementing the disk management method can be easily inferred by programmers in the technical field to which the present invention belongs.

So far, the present invention has been looked at with respect to its preferred embodiments. Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in a modified form without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from an illustrative rather than a limiting point of view. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the equivalent scope will be construed as being included in the present invention.

Second hand trading device: 300
Receiving unit: 310 Transaction history information management unit: 320
Storage unit: 330 Verification unit: 340 Control unit: 350

Claims (2)

Receiving purchase information including specification information, a purchase date, a purchase price, an image of the purchased product, the site information, and the purchaser information for the purchased product from a site where the buyer purchased the purchased product, by a used trading device;
generating and storing, by the used trading device, transaction history information based on a product ID uniquely assigned to each purchased product and the received purchase information;
When the buyer makes a resale request for the purchased product, the used transaction device provides watermark information to the buyer, and receives resale information including a current image of the purchased product on which the watermark information is displayed from the buyer. receiving;
The used transaction device extracts and compares the image of the purchased product included in the transaction history information and the current image of the purchased product included in the resale information, so that the purchased product requested for resale is included in the transaction history information. verifying whether the product is the same as the purchased product; and
If the verification is valid, providing the used trading device with the resale information;
calculating, by the used transaction device, a proper price of the purchased product to be resold based on the transaction history information and the resale information, and providing the calculated appropriate price to the purchaser;
transmitting the resale information to a site selling the purchased product when the used transaction device displays the resale information; and
and updating, by the used transaction device, the resale information to the transaction history information when the purchased product is resold. a receiving unit for receiving purchase information including specification information, a purchase date, a purchase price, an image of the purchased product, the site information, and the purchaser information on the purchased product from a site where the buyer purchased the purchased product;
a transaction history information management unit generating transaction history information based on the product ID uniquely assigned to each purchased product and the received purchase information;
a storage unit that stores the transaction history information;
According to the watermark information provided to the purchaser, when receiving resale information including a current image of the purchased product marked with the watermark information from the purchaser, the image of the purchased product included in the transaction history information and the resale information a verification unit extracting and comparing a current image of the purchased product included in the information, and verifying whether the purchased product requested for resale is identical to the purchased product included in the transaction history information; and
When the verification is valid, a control unit providing the resale information through a display;
The control unit calculates an appropriate price of the purchased product to be resold based on the transaction history information and the resale information, and provides the calculated appropriate price to the purchaser;
When the resale information is displayed, the control unit transmits the resale information to a site selling the purchased product;
When the resale of the purchased product is completed, the transaction history information management unit further comprises updating the resale information to the transaction history information.

Images