On Thursdays the USPTO publishes new patent applications. Both of today's Spotlight Applications address various aspects of DRM. The first application discloses techniques for generating teaser advertisements and providing content, no assignee given. Assigned to Samsung (KR), the second application discloses techniques for DRM and for DRM-enabled devices.
The present invention relates to digital rights management (DRM) contents having a teaser section, a method for generating a teaser advertisement and a method for providing content. Data in the teaser section of a DRM content can be played without a license. A teaser advertisement can be easily created for a DRM content using the teaser section. The present invention can be applied to advertisement for and distribution of both DRM-protected contents and unprotected contents.
20080256645, "Digital rights management method and digital rights management-enabled portable device," assigned to Samsung (KR).
A DRM method and DRM-enabled portable device for controlling playback of DRM content on the basis of content usage log is disclosed. A digital rights management method for a portable device of the present invention includes playing a content item recording, when an abnormal playback stop event is detected, a stop time point in a playback session of the content item on a usage log and controlling a next playback of the content item with reference to the recorded stop time point. The DRM method and DRM-enabled portable device of the present invention further manages the licenses issued for the DRM content stored in the portable device by updating the licenses even when the DRM content are abnormally closed during its playback session.