发明名称 METHOD AND SYSTEM FOR SHARING DIGITAL RIGHTS MANAGEMENT FILE BETWEEN PORTABLE TERMINALS
摘要 Disclosed is a method and system for sharing a DRM file between portable terminals. The method includes selecting a DRM file stored in a memory by a transmitting terminal, extracting license information from the DRM file by the transmitting terminal, transmitting the license information to a receiving terminal by the transmitting terminal, checking if the receiving terminal acquires a license by the transmitting terminal, externally receiving the DRM file corresponding to the license by the receiving terminal, and reproducing the DRM file in synchronization with the receiving terminal by the transmitting terminal.
申请公布号 US2008178001(A1) 申请公布日期 2008.07.24
申请号 US20080017515 申请日期 2008.01.22
申请人 发明人 KIM JEONG HOON;LEE JONG KERL
分类号 H04L9/00 主分类号 H04L9/00
代理机构 代理人
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