JP2001306861A - Commodity purchase-sale system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safe commodity purchase-sale system that is free from unnecessary leakage of personal information and also free from anxiety for exploitation of commodities and their payment. SOLUTION: This system comprises plural purchaser and seller terminals 5 which are connected to each other via a computer network 3 and a relay server 9 which mediates between the purchase and sale of commodities. A seller can dispatch the commodities after obtaining assurance of the capability and will of a purchaser via the server 9. Meanwhile, the purchaser transfer an amount of money to the seller after confirming the arrival and states of the commodities.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a merchandise trading method in which merchandise is bought and sold by using a plurality of terminals on a seller side and a buyer side connected by a computer network, and a relay server for selling and buying the goods.

[0002]

2. Description of the Related Art In recent years, a computer network such as the Internet and a WEB server connected to the Internet for mediating the purchase and sale of goods, a Web server connected to the Internet and the Internet for mediating the purchase and sale of goods, 2. Description of the Related Art The sale of goods using a plurality of connected computer terminals, that is, an electronic flea market is performed.

In the sale of goods using the Internet, as shown in FIG. 26, first, the seller registers the contents of the goods he wants to sell, desired conditions, e-mail addresses, telephone numbers, and other contact information in a WEB server (step). S20
1).

[0004] Next, the buyer uses a computer terminal,
It connects to the WEB server via the Internet and refers to the registered merchandise (step S203).

[0005] When a buyer has a desired product, the buyer contacts the seller directly by e-mail or telephone to negotiate. After negotiations, if the negotiation is closed, WEB
It registers with the server (step S207) and deletes the product information.

Then, the seller sends the goods to the buyer (FIG. 27, step S209). Thereafter, the buyer sends the price to the seller (step S211). Note that the order of sending goods from the seller to the buyer (Step S209) and sending the price from the buyer to the seller (Step S211) may be reversed.

[0007]

However, in the conventional sales of goods using the Internet, as a problem on the seller's side, personal information such as an e-mail address and a telephone number must be posted on a homepage that does not know who is looking at it. There is anxiety that it must be done. Also, if the goods are sent first, there is no guarantee that the buyer will pay for the goods, and there is a risk that the goods will be exploited.

[0008] Further, as a problem on the buyer side, there is anxiety that personal information such as an e-mail address and an address must be transmitted to an unknown seller. In addition, there is no guarantee that the goods will be sent even if the price is sent first, and there is a risk that the price will be exploited.

[0009] As a result, although negotiations for buying and selling are carried out on a network, transactions are carried out by directly transferring the price and goods. This, in turn, raises the problem that the negotiating partner's area of residence is limited to hand-carrying areas, despite the use of the network, and the fear of having to meet strangers. Let me.

[0010] The present invention has been made in view of the above-mentioned problems, and provides a safe product trading method that does not cause unnecessary leakage of personal information, and no fear of exploitation of products and prices even when using a computer network such as the Internet. With the goal.

[0011]

According to the first aspect of the present invention, there is provided an apparatus for merchandise using a plurality of terminals on a buyer side and a seller side connected by a computer network, and a relay server for trading goods. A method for buying and selling, the information indicating the product to be sold, the seller information indicating the seller, and sales conditions including at least the selling price of the product as the product information from the seller side terminal via the computer network to the buyer Product information presenting step to be presented to the side terminal, and based on the product information presented by the product information presenting step, a bid condition for bidding the product, and buyer information indicating the buyer as bid information from the buyer side terminal. A bid condition presenting step for presenting to the corresponding seller terminal via the computer network; A buyer who determines the buyer side based on the bid information presented by the buyer, and presents the buyer side determination information indicating that the buyer side has been determined from the seller side terminal to the corresponding buyer side terminal via the computer network. Based on the side determination step and the buyer side determination information presented in the buyer side determination step, the price equivalent of the product to be purchased is transmitted from the buyer side terminal to the relay server by electronic means including electronic money. After comparing the price information transmitting step and the price corresponding to the price transmitted in the price information transmitting step with the price of the product determined in the buyer side determining step, after confirming that there is no excess or deficiency in the amount, The electronic money information is recorded on the relay server, and the chargeable information indicating that the payment is possible is supported from the relay server. And it can be paid information transmitting step of transmitting the Ritegawa terminal, payment can information transmitted by the payment availability information transmission step based on,
A goods sending step of sending the goods from the seller to the buyer, and a goods receiving step of transmitting goods receiving information for confirming that the buyer has received the goods from the buyer terminal to the relay server, A transfer step of moving an amount registered in the relay server from the buyer side to the seller side by an amount corresponding to the product price based on the product reception information transmitted in the product reception step. And

[0012] In the method for buying and selling goods according to claim 1,
In the commodity information presentation step, the commodity information including the selling price of the commodity and the seller information is presented from the seller terminal to the buyer terminal through the computer network, and in the bidding condition presentation step, the bidding conditions and the buyer for bidding the commodity are presented. Information is presented from the buyer terminal to the corresponding seller terminal via the computer network. The buyer side is determined by the buyer side determining step, and the price information transmitting step is such that the equivalent price of the product is transmitted from the buyer side terminal to the relay server by electronic means including electronic money, and the depositable information transmitting step Thus, the depositable information is transmitted from the middle server to the corresponding seller terminal. Thereafter, the goods are sent from the seller side to the buyer side in the goods sending step, the goods are received in the goods receiving step, and the amount registered in the relay server is transferred to the buyer side in the price receiving step. From the seller to the seller. This allows the seller to send the product with the guarantee of the buyer's ability and willingness to pay by the relay server,
Further, the buyer can transfer the amount to the seller after confirming the arrival and the state of the product, so that it is possible to provide a safe product trading without unnecessary leakage of personal information and fear of product and price exploitation.

Preferably, at least one identification code is assigned to each of the seller and the buyer for each product, and the identification codes are used as the seller information and the buyer information, respectively. Further, it is preferable that at least one identification symbol is attached to each of the products to be sold, and at least the product information and the bid information are presented to the seller terminal and the buyer terminal in correspondence with the identification symbols. further,
It is preferable that the method further includes a negotiation step of adding, from the seller terminal or the buyer terminal, the sale negotiation conditions to the product information and the bid information as negotiation conditions. Further, it is desirable that the method further comprises a stopping step of transmitting stopping information indicating stop of the transfer of the money amount from the buyer terminal to the relay server when a trouble occurs in the goods sent in the sending step. Further, in spite of sending the goods in the sending step, if there is no remittance instruction from the buyer side terminal for a certain period, after contacting the buyer side, the seller side is registered in the relay server. It is desirable to have an automatic remittance step to move the amount of money. Further, the relay server temporarily records digital data, such as electronic money information, whose financial value has been guaranteed by the financial institution or the like transmitted from the buyer terminal, in a storage medium or the like, and a remittance instruction is issued from the buyer terminal. When
It is desirable to have a function of regenerating the same or equivalent information and transmitting it to the seller terminal.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a commodity trading system which is an embodiment of a commodity trading method according to the present invention.

As shown in FIG. 1, a merchandise trading system 1 of the present embodiment comprises a computer network 3, for example, a plurality of terminals 5a, 5b, 5c, 5d on the buyer side and the seller side, which are connected via the Internet. And a relay server 9 that it manages. Note that the relay server 9
It is connected to the computer network 3 by a router 7.

As shown in FIG. 1, the relay server 9 includes a member information registration server 10, a transaction negotiation server 20, and a payment server 30.

The configuration shown in FIG. 1 is merely an example, and there is no problem even if the member information registration server 10, the transaction negotiation server 20, and the payment server 30 are integrated into one server.

As shown in FIG. 2, the member information registration server 1
Reference numeral 0 denotes a control unit 11 comprising a CPU or the like, which controls the entire member information registration server 10, and a computer network 3
Data input control and computer network 3
An input / output control unit 13 for controlling data output to the storage device, a storage device such as a hard disk device or a magneto-optical disk device, a member information data storage unit 15 for storing member information data, etc., a keyboard, a mouse, etc. An input unit 17 for inputting various information, a monitor such as a CRT and a liquid crystal display, and a display section for displaying member information data stored in the member information data storage unit 15 and information input by the input unit 17 Become.

As shown in FIG. 3, the transaction negotiation server 20
Is composed of a CPU and the like, and controls a whole of the transaction negotiation server 20; a data input control from the computer network 3; an input / output control unit 23 that controls data output to the computer network 3; A negotiation condition data storage unit 25 for storing negotiation information and the like, a storage device such as a magneto-optical disk device, an input unit 27 for inputting various information including a keyboard and a mouse, and a monitor such as a CRT and a liquid crystal display. And a display unit 2 for displaying data stored in the negotiation condition data storage unit 25 and information input by the input unit 27.
Consists of nine.

As shown in FIG. 4, the price transfer server 30
Is composed of a CPU and the like, and controls a whole of the payment server 30, a data input control from the computer network 3, an input / output control unit 33 which controls data output to the computer network 3, a hard disk drive, A payment data storage unit 35, which is composed of a storage device such as a magneto-optical disk device and stores remittance information and the like, and an input unit 3 which is composed of a keyboard, a mouse, etc., and inputs various information.
7 and a monitor such as a CRT and a liquid crystal display.
The display unit 39 displays the price data stored in the price data storage unit 35 and information input by the input unit 37.

The above configuration is merely an example, and the present invention is not limited to this configuration.

Next, the operation of the commodity trading system 1 of the present embodiment will be described with reference to the flowcharts of FIGS.
This will be described with reference to a five-data configuration diagram.

Preparation Step Member information including a name, an address, a telephone number, an e-mail address, a member number, a password and the like as shown in FIG. 12 is stored in the member information data storage unit 15 of the member information registration server 10 in advance. deep. Also, both the seller and the buyer,
After performing authentication based on the member information registered in the preparation stage, the access to the relay server 9 is performed, and the subsequent processing is performed.
In addition, sellers and buyers must be in a state where electronic money can be used in advance, and in particular, buyers are sufficient to pay the price (including fees) and transfer (direct transfer between individuals without going through financial institutions etc.) It is assumed that possible electronic money has been deposited in the IC card.

Process Flow of Negotiation Phase -1 1-1: Product Registration Request First, the seller having the product to be sold accesses the transaction negotiation server 20 of the relay server 9 from the terminal 5a, and sets conditions such as the name of the presented product and the desired price. A nickname valid only for this presentation is presented (step S1).

1-2: Merchandise Information Registration The transaction negotiation server 20 assigns a unique presentation number to the presented information and the information obtained at the time of authentication, and sets negotiation conditions as merchandise information (see FIG. 13). The data is stored in the data storage unit 25 (step S3).

1-3: Presentation of Homepage When the product information is stored in the negotiation condition data storage unit 25, the transaction negotiation server 20 presents the product information to a plurality of buyers on a homepage or the like (step S5).

1-4: Homepage Reference The buyer browses the product information presented on the homepage or the like (step S7).

1-5: Bid Request If there is a favorite product, the buyer accesses the transaction negotiation server 20 to specify a product presentation number, and a condition such as a nickname and a bid amount effective only for the presentation. Is presented (step S9).

1-6: Storage of Bidding Information The transaction negotiation server 20 combines this information with the information obtained at the time of authentication (such as the member number of the buyer) and stores it in the negotiation condition data storage unit 25 as bidding information (see FIG. 14). (Step S11).

1-7: Notification of Tender The transaction negotiation server 20 posts the fact that a bid has been made on a homepage or the like to which only the seller can refer, and notifies the seller by e-mail or the like (the notification destination is the member information registration server 10). (Step S13) by searching the member information using the member number as a key.

1-8: Homepage Reference The seller who received the bid notification refers to the homepage and checks the bidding conditions (step S15).

Process flow of negotiation phase -2 2-1: Negotiation request The seller who has confirmed the bidding conditions trades negotiation information (desired amount and irregular message, etc.) with the buyer's bidding conditions if necessary. Present it to the negotiation server 20 (step S1)
7).

2-2: Registration of Negotiation Information The transaction negotiation server 20, which has received the negotiation information, negotiates by assigning a sequential negotiation number (independent for each buyer's member number) and assigning a presentation number and a buyer's member number. The information (see FIG. 15) and the bid information are stored in the negotiation condition data storage unit 25 in association with each other (step S19).

2-3: Presentation of Homepage The transaction negotiation server 20 storing the negotiation information presents the negotiation information to a homepage or the like that can be referred to only by the buyer presented with the negotiation information (step S21).

2-4: Notification of Negotiation The transaction negotiation server 20 notifies the buyer of the negotiation by e-mail or the like. (The notification destination is a member using the member number as a key by inquiring the member information registration server 10 or the like. A search is made from the information (step S23).

2-5: Homepage reference The buyer who has received the negotiation notification refers to the homepage,
The negotiation information is confirmed (step S25).

2-6: Reply Registration The buyer presents reply information to the seller's negotiation information (desired amount and irregular message, see FIG. 16) to the transaction negotiation server 20 (step S27).

2-7: Response Information Registration Having received the response information, the transaction negotiation server 20 assigns a presentation number, a member number, and a negotiation number to the information, and stores the information in the negotiation condition data storage unit 25 in association with the negotiation information. (Step S29).

2-8: Presentation of Homepage The transaction negotiation server 20 storing the response information presents the response information to a homepage or the like that only the seller can refer to (Step S31).

2-9: Response Notification The transaction negotiation server notifies the buyer of the response by e-mail or the like (step S33).

2-10: Reference to Homepage The seller who received the response notification refers to the homepage and confirms the response information (step S35). Thereafter, steps S17 to S35 are repeated until negotiation is established.

Process Flow of Transaction Phase-3 3-1: Notification of Decision The seller whose partner to transact with by negotiation is decided notifies the transaction negotiation server 20 of the decided partner (member number) (step S37).

3-2: Registration of decision information The transaction negotiation server 20, which has received the decision notice, adds the price (desired amount) obtained from the response information and the message to the information, and sets the negotiation conditions as decision information (see FIG. 17). The data is stored in the data storage unit 25 (step S39).

3-3: Display of Homepage The transaction negotiation server 20 presents the final nickname and conditions of the business partner to a homepage that can be referred to only by the buyer who has bid on this product (step S41).
Note that this condition need not be presented.

3-4: Notification of Decision The transaction negotiation server 20 notifies the trading partner of the conclusion of the negotiation, and notifies other bidders of the conclusion of the negotiation with the other members by e-mail or the like (step S43). ).

3-5: Refer to homepage The buyer who received the decision notice accesses the homepage,
The final result is confirmed (step S45).

3-6: Payment of Electronic Money The buyer who has negotiated a click on the payment button on the homepage or the like is charged to the payment server 30 with the electronic money stored in the IC card or the like in advance (including a fee). Is paid (step S47).

3-7: Storage of Electronic Money The price transfer server 30 which has received the electronic money assigns a presentation number and a buyer's member number to the electronic money and stores the payment data in association with negotiation information as payment information (see FIG. 18). It is stored in the unit 35 (step S49).

3-8: Homepage Presentation The price receiving / receiving server 30 that has received the electronic money presents the fact that the price has been received from the buyer on a homepage that can be viewed only by the seller (step S51).

3-9: Payment Completion Notification The price transfer server 30 notifies that the price has been received from the buyer by e-mail or the like (step S53).

3-10: Reference to Homepage Upon receipt of the payment completion notice, the seller confirms information necessary for shipping the product such as the payment amount and the address and name of the buyer on a homepage or the like which can be viewed only by the seller (step S5).
5).

3-11: Commodity Shipment The seller confirming the payment completion on the homepage sends the commodity to the buyer by courier service or the like (step S57). Note that this operation is not for the commodity trading system 1 itself.

3-12: Shipping Registration The seller who has shipped the product accesses a website accessible only by the seller and registers that the product has been shipped (shipping date, message, etc.) (step S59).

3-13: Registration of Shipping Information Upon receiving the shipping registration, the price transfer server 30 assigns a presentation number to the information, and stores the information in the price data storage unit 35 in association with the negotiation information as shipping information (see FIG. 19). (Step S61).

3-14: Presentation of Homepage The price transfer server 30 presents the shipping information to a homepage accessible only by the buyer (step S63).

3-15: Shipping Notification The price transfer server 30 notifies the buyer that the product has been shipped by e-mail or the like (step S65).

3-16: Refer to Homepage The buyer who has received the shipping notification accesses a homepage accessible only by the buyer and checks the shipping information of the product such as the shipping date (step S67). Step S59
Step S67 may be omitted.

3-17: Product Confirmation The buyer who has received the product from the seller by courier or the like checks whether or not the operation status of the product and the conditions such as dirt and scratches are different from the conditions originally presented (step S69). ).
This is not the operation of the commodity trading system 1.

Process Flow of Transaction Phase -4 [If there is no problem with the product] 4-1: Remittance instruction The buyer who has confirmed that there is no problem with the product accesses the payment server 30 and instructs the seller to remit. (Step S71).

4-2: Registration of Remittance Instruction Receiving the remittance instruction, the price transfer server 30 assigns a presentation number to the date and time when the remittance instruction was issued, and remittance information (see FIG. 20).
Is stored in the price data storage unit 35 in association with the negotiation conditions (step S73).

4-3: Presentation of Homepage The price transfer server 30 displays that a remittance instruction has been issued to a homepage that can be referred to only by the seller (step S7).
5).

4-4: Remittance of Electronic Money <Pattern 1> The price transfer server 30 remits the price after deducting the commission by attaching the electronic money to the e-mail to the seller (step S77-1).

4-4: Remittance Notification <Pattern 2> The transfer server 30 notifies the seller of the remittance instruction by e-mail or the like (step S77-2).

4-5: Homepage Reference The seller who has received the remittance notice accesses a homepage accessible only by the seller and confirms that the remittance instruction has been issued (step S79).

4-6: Price Transfer The seller clicks the price transfer button on the homepage or the like, and receives the price obtained by subtracting the commission from the price transfer server by electronic money (step S81).

4-7: Price Transfer Registration The price transfer server that has transferred the price to the seller assigns a presentation number to the date and time and stores it in the price data storage unit 35 in association with the negotiation information as transfer information (FIG. 21). (Step S83).

4-8: Presentation of Homepage The price transfer server 30 indicates that the transfer has been completed on a homepage accessible only by the buyer (step S85).

4-9: Price Transfer Notification The price transfer server 30 notifies the buyer that the transfer has been completed by e-mail or the like (step S87).

4-10: Refer to Homepage If necessary, the buyer accesses the homepage, and confirms the state of price transfer (step S89).

Process flow of transaction phase -5 [If there is a problem with the product or it does not arrive] 5-1: Injunction instruction Even if there is any problem with the product sent from the seller or the promised date is reached If it has not arrived, the buyer accesses the price transfer server 30 and gives a remittance stop instruction (step S91).

5-2: Injunction Instruction Registration Upon receiving the injunction instruction from the buyer, the price transfer server 30
The presentation number is assigned to the date on which the instruction is given, and is stored in the price data storage unit 35 as injunction information (see FIG. 22) in association with the negotiation information (step S93).

5-3: Presentation of Homepage The price transfer server 30 presents a notice to the effect that an injunction has been received on a homepage accessible to both the seller and the buyer (step S95).

5-4: Notification of Injunction The price transfer server notifies both the seller and the buyer that an instruction to instruct remittance has been given by e-mail or the like (step S).
97).

5-5: Reconciliation Reconciliation is performed by the seller / buyer. Although this is outside the operation of the commodity trading system 1, it is also possible to use the member information to confirm the identities of the seller and the buyer (step S99).

5-6: Confirm the result with both sides, refund or remittance Ask the seller and the buyer the arbitration result, and confirm that there is no problem (when returning the product, it was confirmed that the product was returned to the seller, etc.). After that, the operator issues a refund or remittance instruction from the terminal of the price transfer server 30. The payment server 30 assigns a presentation number to the result, and stores the result in the payment data storage unit 35 as arbitration information (see FIG. 23) (step S101).

Steps S103 to S115 are examples in the case where it is decided to refund to the buyer.

5-7: Presentation of Homepage The price transfer server 30 presents a refund to a homepage accessible to both sellers and buyers (step S).
103).

5-8: Notification of Refund The price transfer server 30 notifies both the seller and the buyer of the refund by e-mail or the like (step 105).

5-9: Refer to Homepage The buyer who received the refund notice accesses the homepage,
Click the refund button to receive a refund with the electronic money (in the case of electronic money that can be attached to an e-mail, attach it to the e-mail with the refund notice in step S105). (Step S107).

5-10: Refund Completion Registration The price transfer server 30, which has refunded the price to the buyer, gives the presentation number at that date and time, and associates it with the negotiation information as refund information (see FIG. 24), and the price data storage unit 35 (Step S109).

5-11: Presentation of Homepage The price transfer server 30 presents that the refund has been completed on a homepage accessible only to the seller (step S111).

5-12: Refund Completion Notification The price transfer server 30 notifies the seller by e-mail or the like that the refund has been completed (step S113).

5-13: Homepage Reference The seller accesses the homepage and confirms that the refund has been completed. The remittance to the seller is based on the case where there is no problem with the product.

Process Flow of Transaction Phase -6 [When There is No Remittance Instruction for a Specific Period or More] 6-1: Wait for a Specific Period After receiving the shipping notification, the price transfer server 30 waits for a remittance instruction from the buyer for a specific period. The waiting period is determined by a contract or the like (step 117).

6-2: Remittance Notification After a lapse of a certain period, the payment server 30 waits for a certain period (may be different from the initial waiting period) to the buyer, and then automatically sends the money to the seller. Notification is made by e-mail or the like (step S119).

6-3: Waiting for Fixed Period The price transfer server 30 waits for a remittance instruction from the buyer for a fixed period (step S121). If there is a remittance instruction during this waiting period, the subsequent processing is the same as when there is a remittance instruction.

6-4: Automatic Remittance Registration The transfer server 30 uses information (date and time and presentation number) to remit to the seller because there is no remittance instruction from the buyer for a certain period of time or more as automatic remittance information (see FIG. 25). It is stored in the price data storage unit 35 (step S123).

6-5: Homepage Presentation The price transfer server 30 presents a message to the effect that automatic remittance will be made to the homepage (step S125). Step S12
The flow from 7 to S139 corresponds to the case where there is no problem with the product.

Thus, the sale of goods is performed by the sale and purchase system 1 of the present embodiment.

As described above, in the merchandise buying and selling system 1 of the present embodiment, the seller can send the goods after obtaining the buyer's ability to pay and the willingness to pay by the relay server. Since the amount of money can be transferred to the seller after confirming the arrival and condition of the product, the provision of safe and secure purchase and sale of personal information without the use of a computer network such as the Internet will not cause any unnecessary leakage of personal information or the risk of exploitation of the product and the price. Can be. Further, in the present embodiment, since the payment does not pass through a bank account or the like, the time required for the price to arrive at the seller is shortened. Furthermore, since a financial institution such as a bank is not used, there is also an effect that a fee corresponding to that is unnecessary. The above is only an example, and the present invention is not limited to this.

In the above-described embodiment, an example is described in which electronic money (IC card) that can be directly transferred (moved) between individuals without using a financial institution or the like is used for payment. However, the present invention is not limited to this, and is not transferable through a bank or credit company (more than the amount saved), such as electronic money, bank transfer, SET, etc., which are usually used in EC. Payment means can also be used.

[0092]

As described above, according to the present invention, merchandise information including the selling price of merchandise and seller information is presented from the seller side terminal to the buyer side terminal via a computer network, and the bidding condition presenting step is performed. The bidding conditions and the buyer information for bidding the product are presented from the buyer terminal to the corresponding seller terminal via the computer network. Then, the buyer side is determined by the buyer side determination step, and the price information transmission step is such that the price equivalent of the product is transmitted from the buyer side terminal to the relay server by electronic means such as electronic money, and the depositable information transmission step Then, the depositable information is transmitted from the relay server to the corresponding seller terminal. Thereafter, in the sending step, the goods are sent from the seller to the buyer,
In the merchandise receiving step, the reception of the merchandise is authenticated, and in the price transferring step, the amount registered in the relay server is moved from the buyer side to the seller side by an amount corresponding to the merchandise price. The seller can send the goods after obtaining the guarantee of the buyer's ability and willingness to pay by the relay server, and the buyer can check the arrival and condition of the goods and transfer the amount to the seller. Also, even if a computer network such as the Internet is used, it is possible to provide a safe commodity purchase and purchase free from unnecessary leakage of personal information and the risk of exploitation of the commodity and price.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a schematic configuration of a commodity trading system according to the present invention.

FIG. 2 is a block diagram showing a schematic configuration of a member information registration server shown in FIG.

FIG. 3 is a block diagram showing a schematic configuration of a transaction negotiation server shown in FIG. 1;

FIG. 4 is a block diagram showing a schematic configuration of the price transfer server shown in FIG. 1;

FIG. 5 is a flowchart showing the operation of the commodity trading system according to the present invention.

FIG. 6 is a flowchart showing the operation of the commodity trading system shown in FIG. 1 (negotiation).

FIG. 7 is a flowchart showing the operation of the commodity trading system shown in FIG. 1 (negotiation).

FIG. 8 is a flowchart showing the operation of the commodity trading system shown in FIG. 1 (transaction).

9 is a flowchart showing the operation of the commodity trading system shown in FIG. 1 (transaction).

10 is a flowchart showing an operation of the commodity trading system shown in FIG. 1 (transaction).

11 is a flowchart showing the operation of the commodity trading system shown in FIG. 1 (transaction).

FIG. 12 is a diagram showing a data structure of member information.

FIG. 13 is a diagram showing a data configuration of product information.

FIG. 14 is a diagram showing a data configuration of bid information.

FIG. 15 is a diagram showing a data configuration of negotiation information.

FIG. 16 is a diagram showing a data structure of answer information.

FIG. 17 is a diagram showing a data configuration of decision information.

FIG. 18 is a diagram showing a data configuration of payment information.

FIG. 19 is a diagram showing a data configuration of shipping information.

FIG. 20 is a diagram showing a data configuration of remittance information.

FIG. 21 is a diagram showing a data configuration of exchange information.

FIG. 22 is a diagram showing a data structure of restraint information.

FIG. 23 is a diagram showing a data configuration of arbitration information.

FIG. 24 is a diagram showing a data structure of refund information.

FIG. 25 is a diagram showing a data configuration of automatic remittance information.

FIG. 26 is a diagram showing the operation of a conventional product trading system.

FIG. 27 is a diagram showing the operation of a conventional product trading system.

[Explanation of symbols]

 1 merchandise trading system 3 computer network 5 terminal 7 router 9 relay server 10 member information registration server 11, 21, 31 control unit 13, 23, 33 input / output control unit 15 member information data storage unit 17, 27 37 input unit 19, 29 , 39 display unit 20 transaction negotiation server 30 price transfer server

Claims (7)

[Claims] 1. A method for buying and selling goods using a plurality of terminals on the buyer side and the seller side connected by a computer network and a relay server that handles the sale and purchase of goods, comprising: information indicating the goods to be sold; A merchandise information presenting step of presenting seller information indicating the seller and sale conditions including at least the selling price of the merchandise as merchandise information from the seller terminal to the buyer terminal via a computer network; Based on the obtained product information, a bidding condition for bidding the product and a bidding condition presentation step of presenting the buyer information indicating the buyer to the corresponding seller terminal via the computer network from the buyer terminal as the bid information. The buyer side is determined based on the bid information presented in this bid condition presentation step, A buyer-side determination step of presenting buyer-side determination information indicating that the buyer side has been determined from the seller-side terminal to a corresponding buyer-side terminal via a computer network; and buyer-side determination information presented by the buyer-side determination step. A price information transmitting step of transmitting an amount equivalent to the price of the product to be purchased from the buyer side terminal to the relay server by electronic means including electronic money; and an amount equivalent to the price transmitted by the price information transmitting step. The amount and the price of the product determined in the buyer-side determination step are compared, and after confirming that there is no excess or deficiency, the electronic money information is recorded in the relay server, and the price can be paid. A depositable information transmitting step of transmitting depositable information indicating the fact from the relay server to the corresponding seller-side terminal; Based on the depositable information transmitted in the possible information transmitting step, based on the depositable information transmitted from the seller side, a product sending step of sending the product to the buyer side, and the product receiving information for confirming that the buyer side has received the product. A product receiving step to be transmitted from the buyer side terminal to the relay server; and, based on the product reception information transmitted in the product receiving step, an amount registered in the relay server is equivalent to a product price from the buyer side to the seller side. A method for buying and selling goods, comprising the steps of: 2. The product according to claim 1, wherein at least one identification code is attached to each of the seller and the buyer for each product, and the identification code is used as the seller information and the buyer information, respectively. Trading method. 3. At least one identification code is attached to each product to be sold, and at least the product information and the bid information are presented to the seller terminal and the buyer terminal in association with the identification code. 3. The method for buying and selling commodities according to claim 1 or 2. 4. The method according to claim 1, further comprising a negotiation step of adding, to the merchandise information and the bid information, terms of sales negotiations as negotiation conditions from the seller terminal or the buyer terminal. Product sales method described. 5. A stopping step of transmitting stopping information indicating stoppage of the transfer of the money amount from the buyer terminal to the relay server when a failure occurs in the goods sent in the sending step. Claim 1.
The merchandise buying and selling method according to any one of to 4 above. 6. In a case where a remittance instruction has not been issued from a buyer terminal for a certain period of time even though goods have been sent in the goods sending step, a contact is made to the buyer side, and then the seller side is sent to the relay server. The method according to claim 1, further comprising an automatic remittance step of moving a registered amount. 7. The relay server temporarily records digital data such as electronic money information whose financial value is guaranteed by a financial institution or the like transmitted from the buyer terminal on a storage medium or the like, and transfers the digital data from the buyer terminal. 7. The commodity trading method according to claim 1, wherein when an instruction is given, the information is regenerated as it is or equivalently, and transmitted to the seller terminal.