发明名称 Transfer of digital rights management information
摘要 A device including a communication interface and processing logic is provided. The communication interface may receive digital rights management security information and content from a source device, the digital rights management information having been deactivated in the source device. The processing logic may reactivate the digital rights management security information and may render the content according to the digital rights management security information.
申请公布号 US8984652(B2) 申请公布日期 2015.03.17
申请号 US200711668117 申请日期 2007.01.29
申请人 Sony Corporation;Sony Mobile Comunications AB 发明人 Ljung Peter;Andersson Stefan
分类号 G06F7/04;H04L29/06;H04L9/32;H04N7/167;G06F21/00;G06F21/10 主分类号 G06F7/04
代理机构 Snyder, Clark, Lesch & Chung, LLP 代理人 Snyder, Clark, Lesch & Chung, LLP
主权项 1. A method performed on a device, where the method comprises: storing content and corresponding digital rights management security information received, via a network, from a source device that previously played at least a portion of the content; automatically attempting to receive authorization not to deactivate the digital rights management security information at regular intervals; allowing rendering of the content according to the digital rights management security information when the authorization is received; and deactivating the digital rights management security information when the authorization is not received.
地址 Tokyo JP