| 摘要 |
A cover for selling electronic information represents the ownership of electronic information by use of address, identifier and password. The address field for electronic information identification is a very new idea, which identifies the server system of the electronic information in the communications network. This simplifies routing of access request to the server where the electronic information is stored and enables use of distributed system of small computers eliminating the need of a large-scale centralized system. This small amount of information consisting of address, identifier and password can be written on any record medium as access tool. This type of record medium is a typical example of the cover of the present invention, and the new business model of off-line commerce of on-line information is also part of the present invention. Access control database system and terminal equipment to use this type of identification are part of the present invention. |
