Invention Grant
US07222104B2 Method and apparatus for transferring usage rights and digital work having transferrable usage rights 有权
用于转移使用权的方法和装置以及具有可转让使用权的数字作品

Method and apparatus for transferring usage rights and digital work having transferrable usage rights
Abstract:
A method and apparatus for facilitating transfer of usage rights for digital content. The system comprises digital content, a usage rights module containing usage rights information associated with the content for a user, a transfer permission module containing transfer permission information for the content, a current user identification module containing identity information indicating the identity of the user, and means for manipulating the current user identification module to change the identity information. The content can be transferred form one user to another and the current user identification module can be manipulated to reflect the current user and to permit the current user to have usage rights in the document.
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