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 |