KR20100068979A - Rf cavity filter for preventing deterioration by pimd and tuning structure applied to the filter - Google Patents

Abstract

PURPOSE: An RF cavity filter for preventing deterioration by PIMD and a tuning structure applied to the filter are provided to adjust the price of the products dynamically. CONSTITUTION: A price adjustment information storing unit(202) stores basic data for the price adjustment according to the number of product sales. The basic data comprises at least the price adjustment function information for price adjustment according to the number of product sales. When the product is sold, a selling quantity check unit(204) checks the number of sales of the products. An adjustment price calculating unit(206) calculates the price of the product according to the number of sales of the product. The price of product is calculated based on the fixed price adjustment about the number of sales.

Description

Dynamic Price Adjustment Method and System in E-Commerce {RF Cavity Filter For Preventing Deterioration by PIMD and Tuning Structure Applied to the Filter}

The present invention relates to an electronic commerce system, and more particularly, to a price adjustment method and system that allows a seller to dynamically adjust a product price in an electronic commerce.

Electronic commerce using the Internet has been continuously activated to exceed sales of offline shopping malls. In a typical electronic commerce, a seller of goods offers a fixed price and the buyer buys a product at a fixed price.

For most commodities, buyers prefer to buy fixed-price commodities, so trading at a fixed price is common, but often requires a variable price for commodities such as new and limited-selling items. When selling a product such as a limited sale, it is necessary to promote and sell the product using various price structures.

Conventionally used liquid pricing includes online auction and online reverse auction. In the online auction method, the seller presents only the lowest price and the price is determined by the buyer who presents the highest price by the competitive bidding of the buyers. The online reverse auction method is a method in which a commodity buyer proposes a price and a price is determined by sellers for the suggested price.

The conventional online price auctions and online reverse auctions are all priced by the buyer, and the seller cannot determine the price according to the demand condition of the goods. In addition, the online auction and the online reverse auction can raise the product price abnormally due to unity among the sellers of the product or participation in insider auctions, and there was a problem that a normal price could not be formed due to unnecessary competition between buyers.

In order to solve the problems of the prior art as described above, the present invention proposes a dynamic price adjustment method and system in an electronic commerce that can be dynamically adjusted by the seller.

Another object of the present invention is to propose a dynamic price adjustment method and system in electronic commerce that can promote the promotion and sale of a product for a special product such as a new product.

Another object of the present invention is to propose a dynamic price adjustment method and system in an electronic commerce in which the product price is dynamically adjusted according to the degree of demand of the product.

Still another object of the present invention is to propose a dynamic price adjustment method and system in electronic commerce in which an abnormal price can be reasonably adjusted without fixing an abnormal price.

In order to achieve the above object, according to an aspect of the present invention, the price adjustment information storage unit for storing the basic information for price adjustment according to the quantity of goods sold-the basic information for the price adjustment is at least product sales quantity Include price adjustment function information to adjust the price according to; A sales quantity checker which checks the quantity of the sold goods when the goods are sold; And an adjustment price calculator configured to calculate a product price according to the product sales quantity based on the sales quantity of the goods checked by the sales quantity checker and the price adjustment function set for the products.

The basic information for adjusting the price may further include a start price of the goods, a final price of the goods, and a quantity of goods.

The price adjustment function may include an increase function, a decrease function, and a function that increases and decreases.

The rate of change of the price adjustment function is determined by the starting price of the product, the final price of the product and the quantity of the product.

According to another aspect of the present invention, an e-commerce web server that receives request information from a buyer terminal and a seller terminal and provides a web page for product registration and product purchase; It stores basic information for price adjustment, calculates the adjusted price according to the sales quantity by using the price adjustment function set by the seller, and if there is a request for the product information from the buyer, the current price information of the product is sent to the e-commerce web server or A dynamic price adjustment system is provided in an electronic commerce that includes a price adjustment system provided to a buyer terminal.

The price adjustment system may include: a price adjustment information storage unit which stores basic information including price adjustment function information set by the seller for price adjustment according to a quantity sold of a product; A sales quantity checker which checks the quantity of the sold goods when the goods are sold; The apparatus may include an adjustment price calculator configured to calculate a present price of the product according to the quantity sold of the product based on the selling quantity of the product checked by the sold quantity check unit and the price adjustment function set for the product.

The basic information for adjusting the price may further include a start price of the goods, a final price of the goods, and a quantity of goods.

The e-commerce web server provides a product registration web page for setting the start price of the product, the final price of the product, the quantity and the price adjustment function of the product.

The e-commerce web server provides a product purchase web page displaying price change information indicating a current price information of the product and a price change state according to the quantity of the product sold to the buyer terminal.

The product purchase web page is provided with an ActiveX control or a script that maintains a connection with the price adjustment device, periodically checks whether the current price of the product changes, and displays the changed current price when the current price of the product changes.

The product purchase web page is provided with a purchase button for requesting a purchase, and when the buyer requests the purchase through the purchase button, the e-commerce web server sets a lock so that other users cannot purchase the product. .

The product purchase web page is provided with a purchase button for requesting a purchase, and payment processing is performed at the current price displayed at the time of the purchase request by the purchase button.

According to another aspect of the invention, the step of receiving and storing price adjustment information including a price adjustment function for adjusting the price change according to the quantity of goods, the start price of the goods, the final price of the goods and the quantity of goods (a); (B) determining a sales quantity of a corresponding product when receiving a request for product information; And (c) calculating a present price of a product using the sales quantity determined in the step (b), the price adjustment function, the start price of the product, and the final price of the product. .

According to the present invention, the price can be dynamically adjusted by the seller, there is an advantage that can promote the promotion and sale of the product for a special product, such as a new product.

In addition, according to the present invention, the product price can be dynamically adjusted according to the degree of demand of the product, there is an advantage that the price can be reasonably adjusted without abnormal price is formed by fixing or the like.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the dynamic price adjustment method and system in the electronic commerce according to the present invention.

1 is a diagram illustrating a configuration of an electronic commerce system to which a dynamic price adjustment according to the present invention is applied.

Referring to FIG. 1, an e-commerce system to which dynamic price adjustment according to the present invention is applied may include an e-commerce web server 100, a price adjustment system 102, a purchaser terminal 104, and a seller terminal 106. have.

The e-commerce web server 100 provides a web page for e-commerce between the buyer and the seller, and serves to receive and provide request information for the e-commerce of the buyer. The e-commerce web server 100 may provide a web page for providing an e-commerce product list, a web page for providing detailed product information, and a web page for imputed commerce payment. Meanwhile, the electronic commerce web server 100 may provide a web page for registering a product for the seller. The buyer and seller can transmit various request information through the above-described web page, and the e-commerce web server processes the request information.

The e-commerce web server 100, the price adjustment system 102, the purchaser terminal 104 and the seller terminal 104 are connected through a network, where the network is a wired network such as the Internet or a private network, as well as a mobile communication network and a sensor network. It may include all wireless networks such as wireless internet network.

The purchaser terminal 104 and the seller terminal 106 are terminals used by the buyer and the seller for e-commerce. The purchaser terminal 104 and the seller terminal 106 can communicate with each other via a network such as a laptop, PDA, and mobile terminal as well as a general PC. Various kinds of devices capable of executing may be used as the purchaser terminal 104 and the seller terminal 106.

The price adjustment system 102 adjusts a price of an e-commerce target product through communication with the e-commerce web server 100 or the purchaser terminal 104 and the seller terminal 106, and adjusts the price information of the adjusted e-commerce web server ( 100 or to the purchaser terminal 104 and the seller terminal 106.

In this case, the e-commerce target product may include all of various kinds of products. For example, commodities of the type such as mobile phones, MP3 players, as well as digital works such as videos, music and images may also be included in the scope of the commodities of the present invention.

The price adjustment system 102 receives the product registration information from the e-commerce web server 100 or the seller terminal 104, and adjusts the price for the product sold based on the product registration information. The price adjustment system 102 adjusts the product price in real time corresponding to the quantity of goods sold. Information on how to adjust the price of the commodity in accordance with the quantity sold of the commodity may be set by the seller at the time of commodity registration.

The price adjustment system 102 may adjust the product price so that the price increases as the product sales quantity increases, or may adjust the price so that the product price falls as the product sales quantity increases.

According to a preferred embodiment of the present invention, the price adjustment system 102 adjusts the product price according to the sales quantity using a price adjustment function. Various kinds of functions can be used as price adjustment functions, and sellers are provided with available price adjustment functions, and the product price is adjusted according to the sold quantity by the price adjustment function selected by the seller. Of course, the price adjustment function is a function in which the quantity sold is a variable and the price is an output value.

The price adjustment function may be an incremental function, such as a linear function with a positive slope, an exponential function with a positive exponent, or a decremental decrement, such as a linear function with a negative slope and an exponential function with a negative exponent. In addition, the price adjustment function may be a function of two or more orders of magnitude that change from increase to decrease or change from decrease to increase at a particular inflection point. Furthermore, a trigonometric function that repeats a predetermined value with a certain period may be used as a price adjustment function.

The seller may select an appropriate price adjustment function among the price adjustment functions provided and set the price to be adjusted as desired according to the quantity sold of the product.

In addition, the price adjustment system 102 provides the buyer with the current price information according to the quantity of goods sold in real time, the current price information may be provided to the buyer terminal 104 via the e-commerce web server 100, the buyer terminal May be provided directly to 104.

Meanwhile, although FIG. 1 illustrates that the e-commerce web server and the price adjustment system are implemented as separate devices, it is obvious to those skilled in the art that the e-commerce web server and the price adjustment system can be integrated into one server. something to do.

Conventional electronic commerce systems provide a means by which the price can be flexibly changed by the buyer, such as an auction or reverse auction, but a system by which the price can be flexibly changed by the seller has not been provided. However, in the case of a specific product, if the seller adjusts the price of the product according to the sales volume, it can increase the demand of the product and promote it with the sale. However, the existing e-commerce system could not provide such a price change service. .

For example, in the case of a limited-selling product that sells at a special price with a predetermined amount of air conditioners sold in the summer, if you sell at a low price to a buyer who purchases first, the promotion of the product may be provided as well as a product promotion effect.

In another example, a newly launched game program or a newly released movie may want to purchase the game first, even if the price is higher than other users, or in order to see the movie first. Decreasing pricing adjustments can drive buyers' purchases and promote products.

 The price adjustment system according to the present invention enables the sellers to sell the goods more efficiently and the buyers can purchase the goods in the e-commerce with more interest by allowing the prices of the goods as described above to be changed according to the sales quantity. Let's do it.

2 is a block diagram showing the configuration of a price adjustment system according to an embodiment of the present invention.

2, the price adjustment system according to an embodiment of the present invention, the communication unit 200, price adjustment information storage unit 202, sales quantity check unit 204 adjustment price calculation unit 206, price adjustment function Database 208 and product database 210.

The communication unit 200 communicates with the electronic commerce web server 100 or the terminals 104 and 106. For example, the communication unit 200 receives information necessary for price adjustment and provides the current price information calculated by the price adjustment system to the e-commerce web server 100 or the terminals 104 and 106.

The price adjustment information storage unit 202 functions to store basic information necessary for price adjustment. According to an embodiment of the present invention, the price adjustment information may include a price adjustment function applied to the sale quantity, the sale starting price, the sale final price, and the price adjustment. Such price adjustment information is set by the seller at the time of product registration.

The sales quantity checker 204 checks the sales quantity when a product to be adjusted for price is sold. Information that the product has been sold may be provided from the e-commerce web server 100, and the sales quantity checker checks the sales quantity by counting the number of products sold each time the products are sold. The sales quantity checker 204 may be connected to a product database (not shown) to update the sales quantity of the product database 210 each time the product is sold.

The adjusted price calculator 206 calculates the present price of the product according to the quantity of the product sold. The adjusted price calculator 206 calculates an adjusted price according to the quantity of goods sold, based on the information stored in the price adjustment information storage 202 and the current quantity of goods sold.

The adjustment price calculation unit 206 is combined with the price adjustment function database 208, and the price adjustment function database 208 stores information about a price adjustment function used for price adjustment.

An example of a price adjustment function that can be used in the present invention is as follows, and the coefficient (price change rate) of each price adjustment function may be determined by the starting price, the final price, and the total product quantity set by the buyer, and y in each function The adjusted price and x is the quantity sold for the product.

(1) Primary function:

,

(2) 2nd function:

,

(3) fractional function:

(4) irrational function:

,

(5) Trigonometric Functions:

,

(6) exponential function:

(7) logarithm function:

The adjustment price calculator 206 calculates a present price corresponding to the current sales quantity by a price adjustment function specified by the buyer among the various price adjustment functions as described above, and uses the price adjustment function with reference to FIGS. 6 and 7. Let's look at the adjustment in more detail.

FIG. 6 is a diagram illustrating an example in which a price is adjusted according to a product sales quantity using a linear function.

Referring to FIG. 6, when the seller selects the primary function as the price adjustment function and the specified starting price is Vstart, the final price is Vlast, and the total product quantity is N, the final price adjustment function is set as in Equation 1 below. Can be.

Referring to FIG. 6, the first sold product is sold at Vstart, and the last sold product is sold at Vlast. Since the final price is the case where Vlast is set higher than Vstart, the first function is set as an increasing function, and the selling price increases gradually as the selling quantity increases.

Since the primary function is selected as the price application function, the rate of increase in price according to the sales quantity is set constant.

For example, if 1000 new computers are sold with the primary function shown in Fig. 6 as the price adjustment function, and the starting price of the product is set to 600k won and the final price is set to 1 million won, the 500th buyer will receive 800,000 won. You buy a computer.

FIG. 7 is a diagram illustrating an example in which a price is adjusted according to a product sales quantity using an index function.

Referring to FIG. 7, when the seller selects an index function as the price adjustment function and the specified _start price is V _start , the final price is V _last, and the total product quantity is N, the final price adjustment function is set as in Equation 2 below. Can be.

Referring to FIG. 7, a case in which the first sold product is sold with a _start price V _start , the last sold product is sold with a _last price V _last , and the final price is set higher than the _start price is illustrated.

It can be seen from FIG. 7 that the price change is gentle at the beginning of the product sale due to the characteristics of the index function, but the price change is soaring at a certain point in time.

3 is a diagram illustrating an example of a product registration web page provided to a seller in a price adjustment system according to an embodiment of the present invention.

Referring to FIG. 3, a product registration web page provided to a seller includes a start price setting interface 300, a final price setting interface 302, a product quantity setting interface 304, a price adjustment function setting interface 306, and a product information setting interface. 308.

The start price setting interface 300, the final price setting interface 302, and the sales quantity setting interface 304 are interfaces for specifying the starting price, the final price, and the selling quantity, which are basic information necessary for price adjustment. The starting price, the final price, and the selling quantity are all numbers, and as shown in FIG. 3, a number may be selected through a drop-down interface, and an interface may be provided in which a seller may directly enter numbers.

The price adjustment function setting interface 306 is an interface for selecting a function to be applied to the price change, and functions selectable through a drop-down menu may be provided. A linear function, an exponential function, a quadratic function, or the like as described above may be provided to be selectable.

The product information setting interface 308 is an interface for inputting a product name, an image, product detail information, and the like.

The product registration information set by the product registration web page as shown in FIG. 3 may be provided to the e-commerce web server and transmitted from the e-commerce web server to the price adjustment system, or may be directly transmitted to the price adjustment system.

4 is a flowchart illustrating a product registration process of a product to which price adjustment is applied according to an embodiment of the present invention.

Referring to FIG. 4, a seller first requests a web page for registering a product to an e-commerce web server (step 400). The request of the web page may be made by directly inputting a URL or clicking a link that sets a product registration web page. The e-commerce web server transmits the product registration web page to the seller terminal in response to the seller's request information (step 402).

The seller who receives the product registration web page inputs the product basic information (step 404). The basic product information is a description of the product, and may include information such as an image of the product, a function of the product, and a specification of the product.

The seller also enters the start and end prices using the interface of the product registration web page (step 406). The seller sets the final price higher than the starting price if the price is to be increased as the quantity sold increases, and the seller sets the starting price higher than the final price if the price is decreased as the quantity sold increases.

Once the start and end prices are entered, the seller enters a quantity of goods (step 408) and selects a price adjustment function to be used for price changes (step 410). When the seller clicks on an interface such as a registration button provided on the product registration web page, the product registration information set by the seller is sent to the e-commerce web server (step 412), and the e-commerce web server sends the product to the price adjustment system. Pass registration information (step 414). The price adjustment system stores the product registration information as basic information for price adjustment in the price adjustment information storage unit 202.

5 is a diagram illustrating an example of a product purchase web page provided to a buyer in a system to which price adjustment according to an embodiment of the present invention is applied.

Referring to FIG. 5, a product purchase web page according to an embodiment of the present invention may include a product information display unit 500, a price change display unit 502, a current price display unit 504, and a purchase button 506.

The product information display unit 500 displays basic product information such as a product function, a product specification, and an image of the product.

The present price display unit 504 displays the present price information of the goods according to the quantity of goods sold provided from the price adjustment system. When the price adjustment system requests a product purchase web page, the price checking system checks the quantity sold of the product and sends the current price according to the quantity sold directly to the e-commerce web server or the buyer's terminal. Be sure to

According to a preferred embodiment of the present invention, the product purchase webpage is connected to the price adjustment system and the current price information changed when the product price changes due to the purchase of the product of another buyer while the buyer views the product purchase webpage It is preferred that an ActiveX control or script is provided to display. The ActiveX control or script periodically communicates with the price adjustment system while the product purchase web page is in an active state so that the changed current price information is displayed in real time on the web page.

The price change display unit 502 displays information on how the product price will change in the future. According to a preferred embodiment of the present invention, the price change information can be displayed in the form of a graph as shown in Figs.

The purchase button 506 is an interface through which a purchaser can make a purchase request. When the user clicks on the purchase button 506, payment processing based on the current price recorded in the current price display unit 504 is performed.

8 is a flowchart illustrating a process of making a product purchase in a dynamic price adjustment system according to an embodiment of the present invention.

Referring to FIG. 8, a user first requests a product purchase web page for a specific product from an e-commerce web server (step 800).

The e-commerce web server receiving the product purchase web page request information requests the current price information of the corresponding product and the price change information of the corresponding product from the price adjustment system (step 802), and receives the requested information from the price adjustment system (step 804). ).

The e-commerce web server transmits a web page on which the current price information of the corresponding product and the price change information according to the sales quantity are displayed to the purchaser terminal (step 806).

As described above, the e-commerce web server and the price adjustment system may be implemented as a single server, in which case the communication process of steps 802 and 804 is not performed.

The product purchase web page is provided with an ActiveX control or script for maintaining communication with the price adjustment system and periodically communicating with the ActiveX control or script, which periodically checks whether the presently provided current price changes (step). 808).

If there is a change in the current price as a result of the check, the ActiveX control or script displays the changed current price (step 810), and if there is no price change, maintains the state of the provided web page.

When the user clicks the purchase button to make a purchase request, the purchase request information is sent to the e-commerce web server (step 812).

When a user makes a purchase request, if another user completes the payment until the payment is made, a situation may occur in which the purchase is not possible at the current price displayed on the product purchase web page.

According to an embodiment of the present invention, a lock is set to prevent other users from making a purchase until a payment is made after a specific user requests a purchase (step 814). When the lock is set, the purchase button is not activated on the product purchase web page of a user other than the user who made a purchase request for the corresponding product.

Of course, alternatively, an embodiment of determining a purchase request as a product purchase and determining a price in the order of making a purchase request may be used. However, in this case, since the payment may be canceled after the purchase request, the purchase price may not be sequentially determined according to a preset value. The payment processing procedure in this case will be described with reference to FIG.

9 is a diagram illustrating a processing procedure when a payment is performed at a current price displayed at the time of a purchase request in a price adjustment system according to an exemplary embodiment of the present invention.

In FIG. 9, the x-axis is time and the y-axis corresponds to the purchase quantity. Assuming that the price of a product increases as the quantity sold of the product increases, the purchase request for the nth product is made faster because the buyer who requested the purchase of the nth product processed the payment sooner than the purchaser who requested the n + 1th product purchase. The requested buyer will purchase the product at a lower price.

On the other hand, a buyer who has requested a purchase of the n + 2th product from the nth product makes a normal payment after the purchase request, but Buyer A who has requested a purchase of the n + 3th product cancels the payment after the purchase request.

In this case, the purchase price of the buyer B requesting the purchase of the product at the time after the cancellation of the payment is displayed on the price corresponding to the n + 3 th product, and the buyer B presents the product at the price corresponding to the n + 3 th product. You can buy it.

Buyers who requested purchases for the n + 4th and n + 5th products requested a purchase before Buyer A canceled the payment, so they made a purchase request earlier than Buyer B, but purchased the product at a higher price than Buyer B. Done.

As described above, the payment processing method is only an embodiment of the present invention, and it will be apparent to those skilled in the art that various changes and modifications are possible.

 Referring again to FIG. 8, when a purchase request is made, a payment processing procedure is performed (step 816), and when the payment processing is completed, the e-commerce web server transmits purchase completion information to the price adjustment system (step 818).

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and modified within the scope of the present invention without departing from the spirit and scope of the present invention described in the claims below. It will be appreciated that it can be changed.

1 is a diagram showing the configuration of an electronic commerce system to which the dynamic price adjustment according to the present invention is applied.

Figure 2 is a block diagram showing the configuration of a price adjustment system according to an embodiment of the present invention.

3 is a diagram illustrating an example of a product registration web page provided to a seller in a price adjustment system according to an embodiment of the present invention.

4 is a flowchart illustrating a product registration process of a product to which price adjustment is applied according to an embodiment of the present invention.

5 illustrates an example of a product purchase web page provided to a buyer in a system to which price adjustment is applied according to an embodiment of the present invention.

FIG. 6 shows an example in which a price is adjusted according to a quantity sold of a product by using a linear function. FIG.

7 is a diagram illustrating an example in which a price is adjusted according to a product sales quantity using an index function.

8 is a flowchart illustrating a process of making a product purchase in a dynamic price adjustment system according to an embodiment of the present invention.

9 is a diagram illustrating a processing procedure when a payment is performed at a current price displayed at the time of a purchase request in a price adjustment system according to an embodiment of the present invention.

Claims (18)

A price adjustment information storage unit for storing basic information for price adjustment according to the quantity of goods sold, wherein the basic information for price adjustment includes price adjustment function information for adjusting the price according to at least the quantity of goods sold; A sales quantity checker which checks the quantity of the sold goods when the goods are sold; Dynamic price adjustment in the e-commerce characterized in that it comprises an adjustment price calculation unit for calculating the product price according to the product sales quantity based on the sales quantity and the price adjustment function set for the products checked in the sales quantity check unit system. The method of claim 1, The basic information for the price adjustment further comprises a start price of the product, the final price of the product and the quantity of goods, the dynamic price adjustment system in the e-commerce. The method of claim 2, Wherein said price adjustment function comprises an increase function, a decrease function and a function of increasing and decreasing. The method of claim 3, wherein The rate of change of a price adjustment function is determined by the starting price of the product, the final price of the product and the quantity of the product. An e-commerce web server that receives request information from a buyer terminal and a seller terminal and provides a web page for product registration and product purchase; It stores basic information for price adjustment, calculates the adjusted price according to the sales quantity by using the price adjustment function set by the seller, and if there is a request for the product information from the buyer, the current price information of the product is sent to the e-commerce web server or A dynamic price adjustment system in an electronic commerce comprising a price adjustment device provided to a buyer terminal. The method of claim 5, The price adjustment device, A price adjustment information storage unit for storing basic information including price adjustment function information set by the seller for price adjustment according to the quantity sold of the product; A sales quantity checker which checks the quantity of the sold goods when the goods are sold; Dynamic price in the e-commerce characterized in that it comprises an adjustment price calculation unit for calculating the current price of the goods according to the product sales quantity based on the sales quantity of the goods checked in the sales quantity check unit and the price adjustment function set for the products Adjustment system. The method of claim 6, The basic information for the price adjustment further comprises a start price of the product, the final price of the product and the quantity of goods, the dynamic price adjustment system in the e-commerce. The method of claim 7, wherein The e-commerce web server provides a product registration web page for setting the start price of the product, the end price of the product, the quantity and the price adjustment function of the product to the seller terminal. The method of claim 7, wherein The e-commerce web server is a dynamic price adjustment system for an e-commerce, characterized in that for providing a purchaser web page for displaying the price change information indicating the current price information of the product and the price change status according to the quantity of goods sold to the buyer terminal. 10. The method of claim 9, The product purchase web page maintains a connection with the price adjustment device, periodically checks whether the current price of the product changes, and provides an ActiveX control or a script that displays the changed current price when the current price of the product changes. Featuring dynamic pricing system in e-commerce. 10. The method of claim 9, The product purchase web page is provided with a purchase button for requesting a purchase. When a purchaser requests a purchase through the purchase button, the e-commerce web server locks the user so that other users cannot make a purchase request for the product. Dynamic price adjustment system in an e-commerce transaction. 10. The method of claim 9, The product purchase web page is provided with a purchase button to request a purchase, the dynamic price adjustment system in the e-commerce characterized in that the payment processing is performed by the current price displayed when the purchase request by the purchase button. (A) receiving and storing price adjustment information including a price adjustment function for adjusting a change in price according to the quantity of goods, a starting price of goods, a final price of goods, and a quantity of goods; (B) determining a sales quantity of a corresponding product when receiving a request for product information; And And (c) calculating a present price of a product using the sales quantity determined in the step (b), the price adjustment function, the starting price of the product, and the final price of the product. . The method of claim 13, And transmitting the product purchase web page including the current price calculated in step (c) to the purchaser terminal. The method of claim 13, The rate of change of the price adjustment function is determined by the starting price of the product, the final price of the product and the quantity of goods. The method of claim 13, The product purchase web page further includes a price change information and a purchase button according to the sales quantity, and periodically checks whether the current price of the product changes, and displays an active current control when the current price of the product changes. A dynamic price adjustment method in e-commerce, wherein a script is provided. The method of claim 16, And when the product purchase request information is received, setting a lock to prevent other users from making a purchase request for the product. The method of claim 16, When receiving the product purchase request information, further comprising the step of performing the payment processing by the current price displayed on the product purchase web page of the buyer when the product purchase request.

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