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    • 9. 发明申请
    • DIGITAL CONTENT PACKAGING, LICENSING AND CONSUMPTION
    • 数字内容包装,许可和消费
    • US20090157552A1
    • 2009-06-18
    • US11954222
    • 2007-12-12
    • Patrik SchnellAlexandre V. GrigorovitchJames M. Alkove
    • Patrik SchnellAlexandre V. GrigorovitchJames M. Alkove
    • G06Q10/00
    • G06Q20/1235G06Q30/02
    • A DRM technique involves packaging an advertisement using a data structure that encapsulates a number of advertising segments along with signed information, such as a table of hashes, associated with some of the advertising segments. In one scenario, the data structure and the signed information are separately protected using public key and/or digital signature cryptographic schemes. The advertisement is delivered to a user of a consumer electronic device (CED) separately from delivery of a digital license, which governs user consumption of the advertisement. The digital license includes keys used in connection with the cryptographic scheme, and references a condition to be satisfied with respect to consumption of the advertisement. As advertising segments are verified and consumed by the user/CED, information is recorded and used to determine whether the license condition was satisfied. Satisfaction of the license condition may result in access to program content or additional licenses.
    • DRM技术涉及使用封装多个广告段的数据结构以及诸如与一些广告段相关联的诸如散列表的签名信息来打包广告。 在一种情况下,使用公钥和/或数字签名加密方案分别保护数据结构和签名信息。 广告被传送到消费者电子设备(CED)的用户,分发于数字许可证的交付,该数字许可证管理广告的用户消费。 数字许可证包括与密码方案相关的密钥,并且提及关于广告的消费要满足的条件。 随着广告片段被用户/ CED验证和消费,信息被记录并用于确定许可条件是否被满足。 对许可证条件的满意可能导致访问程序内容或附加许可证。