초록 ▼

Auxiliary digital data is sold and bought. A process for selling auxiliary digital data is performed with respect to a process for cancelling a limitation of use of the digital data. A process for buying the auxiliary digital data is performed. A process for receiving a selling request and a buying

Auxiliary digital data is sold and bought. A process for selling auxiliary digital data is performed with respect to a process for cancelling a limitation of use of the digital data. A process for buying the auxiliary digital data is performed. A process for receiving a selling request and a buying request is performed, and selling and buying transactions are concluded. The process of selling, the process of buying, and the process of selling and buying are each performed by transmitting and receiving data through a communication network.

대표청구항 ▼

The invention claimed is: 1. An auxiliary digital data selling and buying system, comprising: a selling processing device for performing a process for selling auxiliary digital data with respect to a process for canceling a limitation of use of digital data; a buying processing device for performin

The invention claimed is: 1. An auxiliary digital data selling and buying system, comprising: a selling processing device for performing a process for selling auxiliary digital data with respect to a process for canceling a limitation of use of digital data; a buying processing device for performing a process for buying the auxiliary digital data; and a selling and buying processing device for performing a process for receiving a selling request from said selling processing device and a buying request from said buying processing device and for concluding selling and buying transactions; said selling processing device, said buying processing device, and said selling and buying processing device being connected to each other through a communication network; said selling processing device including: storing means for storing the auxiliary digital data, transmitting means for transmitting, through the communication network, identification information and a selling request of a selling applicant of the auxiliary digital data, receiving means for receiving a selling notification for the auxiliary digital data that is transmitted from said selling and buying processing device through the communication network, erasing means for erasing the auxiliary digital data from the storing means, and controlling means for controlling said transmitting means so that the identification information and the selling request of the selling applicant are transmitted to said selling and buying processing device, and for controlling said erasing means so that the auxiliary data is erased from the storing means when said receiving means has received the selling notification transmitted from said selling and buying processing device through the communication network; said buying processing device including: transmitting means for transmitting, through the communication network, identification information and a buying request of a buying applicant of the auxiliary digital data, receiving means for receiving buying notification of the auxiliary digital data transmitted from said selling and buying processing device through the communication network, and controlling means for controlling said transmitting means so that the identification information and the buying request of the buying applicant are transmitted to said selling and buying processing device through the communication network; and said selling and buying processing device including: receiving means for receiving, through the communication network, one or more of the identification information and the selling request of the selling applicant transmitted from said selling processing device and the identification information and the buying request of the buying applicant transmitted from said buying processing device, storing means for storing management information and the auxiliary digital data, the management information correlating the identification information of the selling applicant and the buying applicant and information that represents the state of ownership of the auxiliary digital data and the digital data, selling and buying transaction concluding processing means for concluding the selling and buying transactions of the auxiliary digital data corresponding to the identification information and the selling request of the selling applicant that is received by said receiving means from said selling processing device, and corresponding to the identification information and the buying request of the buying applicant that is received by said receiving means from said buying processing device, transmitting means for transmitting the auxiliary digital data and a selling notification thereof through the communication network, and controlling means for updating the management information stored in said storing means corresponding to one or more of the identification information of the selling applicant and the identification information of the buying applicant received by said receiving means, for reading the auxiliary digital data to be transmitted from said storing means to the buying applicant, for controlling said transmitting means so that the auxiliary digital data that has been read to said buying processing device and the selling notification are transmitted to said selling processing device when the selling and buying transactions of the auxiliary digital data concluded. 2. The auxiliary digital data selling and buying system as set forth in claim 1, wherein said storing means of said selling and buying processing device further stores the digital data, said transmitting means of said selling and buying processing device transmits the digital data, and said controlling means of said selling and buying processing device reads the digital data to be transmitted from said storing means to the buying applicant and controls said transmitting means so that the digital data that has been read is transmitted to said buying processing device. 3. The auxiliary digital data selling and buying system as set forth in claim 2, wherein said selling and buying processing device performs an encrypting process for the digital data with respect to the auxiliary digital data before said selling and buying processing device transmits the digital data to said buying processing device. 4. The auxiliary digital data selling and buying system as set forth in claim 1, wherein the auxiliary digital data contains information with respect to identification information of a person having a right of use of the digital data corresponding to the auxiliary digital data. 5. The auxiliary digital data selling and buying system as set forth in claim 4, wherein said selling and buying processing device performs a process for rewriting information with respect to identification information of the person having the right of use of the digital data corresponding to the auxiliary digital data before said selling and buying processing device transmits the auxiliary digital data to said buying processing device. 6. The auxiliary digital data selling and buying system as set forth in claim 1, wherein said selling and buying processing device settles concluded selling and buying transactions and generates data with respect to a paying and receiving process corresponding to the settled result. 7. The auxiliary digital data selling and buying system as set forth in claim 6, wherein said selling and buying processing device rewrites asset information of personal information of people concerned with the concluded selling and buying transactions so that the price with respect to the selling and buying transaction is paid and/or received. 8. The auxiliary digital data selling and buying system as set forth in claim 6, wherein a person concerned with selling and buying transactions is a selling applicant of auxiliary digital data corresponding to digital data and to a buying application of auxiliary digital data corresponding to another digital data, and both selling and buying transactions corresponding to a selling request and a buying request of the person are concluded, said selling and buying processing device calculates a sum of assets transferred in each of the concluded selling and buying transactions as part of data with respect to the paying and receiving process, causes said selling processing device of the person to erase the auxiliary digital data corresponding to the digital data, and transmits the auxiliary digital data corresponding to the other digital data to said buying processing device of the person. 9. The digital data selling and buying transacting system as set forth in claim 8, wherein said selling and buying processing device further rewrites asset information of personal information of the person concerned and corresponding to the sum of the transferred assets so that the price for the selling and buying transactions is paid and/or received. 10. An auxiliary digital data selling and buying method, comprising: performing a process for selling auxiliary digital data with respect to a process for canceling the limitation of the use of digital data; performing a process for buying the auxiliary digital data; and performing a process for receiving a selling request and a buying request and for concluding the selling and the buying; the process for selling, the process for buying, and the process for receiving the selling request and the buying request being performed by transmitting and receiving data through a communication network; the process for selling including: storing the auxiliary digital data, transmitting user identification information and a selling request of a selling applicant of the auxiliary digital data through the communication network, receiving a selling notification for the auxiliary digital data transmitted from the selling and buying processing step through the communication network, erasing the stored auxiliary digital data, controlling the transmitting step so that the identification information and the selling request of the selling applicant are transmitted, and controlling the erasing step so that the stored auxiliary data is erased when the receiving step has received the selling notification transmitted through the communication network; the process for buying including: transmitting identification information and a buying request of a buying applicant of the auxiliary digital data through the communication network, receiving a buying notification of the auxiliary digital data transmitted through the communication network, and controlling the transmitting step so that the identification information and the buying request of the buying applicant are transmitted through the communication network; and the process for receiving the selling request and the buying request including: receiving one or more of the (i) identification information and the selling request of the selling applicant through the communication network and (ii) the identification information and the buying request of the buying applicant through the communication network, storing management information and the auxiliary digital data, the management information correlating the identification information of the buying applicant and the selling applicant and information that represents the state of ownership of the auxiliary digital data and the digital data, concluding the selling and buying of the auxiliary digital data corresponding to the identification information and the selling request of the selling applicant and corresponding to the identification information and the buying request of the buying applicant, transmitting the auxiliary digital data and a selling notification thereof through the communication network, updating the stored user management information corresponding to one or more of the identification information of the selling applicant and the identification information of the buying applicant, reading the auxiliary digital data to be transmitted to the buying applicant, and controlling the transmitting step so that the read auxiliary digital data and the selling notification are transmitted when the selling and buying transactions of the auxiliary digital data are concluded.