On Thursdays the USPTO publishes new pending patent applications. Both of today's Spotlight Applications concern aspects of digital rights management. Assigned to Samsung (KR), the first application discloses techniques for providing a DRM service that includes a Media Presentation Description (MPD) information configurer for determining a required DRM system. Assigned to Motorola Mobility, the second application discloses techniques for DRM that allow various forms of authorization, with each form of authorization being dependent upon an action taken on the digital content.
20120090036, "Method and apparatus for providing DRM service," assigned to Samsung (KR).
An apparatus for providing a Digital Rights Management (DRM) service includes a Media Presentation Description (MPD) information configurer for determining a DRM system required in each of representations of content provided by an adaptive streaming service, classifying the representations into one or more groups according to predetermined criteria, and configuring MPD information by inserting content protection information including representation group information representing classified groups and information about DRM systems corresponding to the representation group information; and a communication unit for transmitting the MPD information to a user terminal receiving the content.
20120090019, "Digital-Rights Management," assigned to Motorola Mobility.
A method and apparatus for digital-rights management is provided herein. Various forms of authorization are allowed, with each form of authorization being dependent upon an action taken on the digital content. In particular, when server-based authorization is unavailable, less-risky operations are allowed by performing an internal authorization scheme. Thus, higher security offered by a server-based DRM is required for risky actions, yet non-risky actions on the digital content may still be taken when the server is unavailable.