System for controlling the distribution and use of digital works having a fee reporting mechanism
摘要
<p>A trusted system having at least one repository for controlling use of digital works in accordance with usage rights associated with the digital works. A request to use a digital work in accordance with usage rights associated with the digital work is received. The usage rights specify a manner of use and an access specification indicating a security class. A security level of a repository controlling the requested use is determined. The request is granted and the user is permitted to exercise the manner of use specified in the usage rights associated with the digital work if the security level of the repository corresponds to the security class of the access specification specified in the usage rights associated with the digital work. <IMAGE>A trusted system having at least one repository for controlling use of digital works in accordance with usage rights associated with the digital works. A request to use a digital work in accordance with usage rights associated with the digital work is received. The usage rights specify a manner of use and an access specification indicating a security class. A security level of a repository controlling the requested use is determined. The request is granted and the user is permitted to exercise the manner of use specified in the usage rights associated with the digital work if the security level of the repository corresponds to the security class of the access specification specified in the usage rights associated with the digital work. <IMAGE></p>
申请公布号
EP1349043(A2)
申请公布日期
2003.10.01
申请号
EP20030015126
申请日期
1995.11.23
申请人
CONTENTGUARD HOLDINGS, INC.
发明人
STEFIK, MARK, J.;PIROLLI, PETER, L.;MERKLE, RALPH, C.