Patent application number | Description | Published |
20080256482 | Mobile terminal and method for displaying detailed information about DRM contents - The present invention provides a mobile terminal and method for display of detailed information regarding digital rights management (DRM) contents in an intuitive and direct manner for the user. The detailed information includes information items that are attributes of the DRM contents (such as types, sizes, and created dates) or usage rights in licenses of the DRM contents (rights to play, display, execute, print, and export the DRM contents). Those information items associated with selected DRM contents are displayed using text or icons. | 10-16-2008 |
20080256644 | Real-time detail information display method of digital rights management contents and portable terminal using the same - A real-time detail information display method of digital rights management (DRM) contents and a portable terminal for practicing that downloads digital rights management (DRM) content information from a server, in real-time. The portable terminal extracts address information of the DRM contents indicated on the display, accesses the server based on the extracted address information, and receives the DRM content information from the server and displays it on the display. | 10-16-2008 |
20080256645 | Digital rights management method and digital rights management-enabled portable device - 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. | 10-16-2008 |
20080307530 | Right object acquisition method and system - A batch rights objects (ROs) acquisition method and system is provided to enable a mobile terminal to acquire multiple rights objects in a batch processing manner. A rights object acquisition method according to an embodiment of the present invention includes transmitting a rights object request message requesting one or more rights objects of content objects from a mobile terminal to a rights issuer; creating, at the rights issuer, a rights object response message containing at least one of rights objects indicated by the rights object request message and at least one signature in response to the rights object request message; and transmitting the rights object response message from the rights issuer to the mobile terminal. | 12-11-2008 |
20090043866 | License acquisition scheme indication method and mobile terminal therefor - A license acquisition scheme indication method and mobile terminal implemented with the license acquisition indication method is provided for informing a user of available license acquisition scheme in a current connectivity environment. A license acquisition scheme indication method of the present invention collects access information of at least one content server issuing licenses required for playing right protected files, attempts access to the at least one content server in one of a direct license acquisition scheme and an indirect license acquisition scheme on the basis of the access information, and displays identities of the individual right protected files with available license acquisition schemes determined as a result of the access attempts. | 02-12-2009 |
20090138403 | Right objects acquisition method and apparatus - A license acquisition method and apparatus for a DRM-enabled mobile terminal is provided for acquiring licenses for multiple right-protected content items in a batch processing manner. The rights objects acquisition method for a mobile terminal supporting digital rights management according to the present invention includes attempting download of at least one acquisition-requested rights object, classifying the at least one acquisition-requested rights object into download-succeeded rights objects and download-failed rights objects, and outputting information on the downloaded-succeeded rights objects and download-failed rights objects. | 05-28-2009 |
20090210704 | SYSTEM AND METHOD FOR WITHDRAWING RIGHTS OBJECT OF THE DIGITAL CONTENTS - A system in which a source device can withdraw a Rights Object (RO) that a source device requested a target device to move through a Rights Issuer (RI) and operation method thereof are provided. The method includes transmitting a rights object withdrawal request message to a rights issuing server by a device, transmitting a rights object withdrawal response message to the device by the rights issuing server in response to the rights object withdrawal request message, and withdrawing and installing a corresponding rights object when receiving the rights object withdrawal response message by the device. | 08-20-2009 |
20090210947 | LICENSE CONSIGNMENT METHOD AND SYSTEM FOR PORTABLE DEVICE - A license consignment method and system for a portable device playing a right-protected content with a license is provided for improving utilization reliability and manageability of a license by enabling a license server to manage the license consigned by the portable device. The method includes selecting a license to be consigned to a license server, transmitting the license server license information corresponding to the selected license, and transmitting, when the license is not downloaded in a certain time, a download trigger message to the portable device. | 08-20-2009 |
20090327472 | DRM TIME SETTING METHOD AND APPARATUS OF PORTABLE TERMINAL - A method and apparatus for setting a Digital Rights Management (DRM) time for a DRM-enabled portable terminal for securing a reliable DRM time are provided. The method includes detecting a DRM time setting event, acquiring a reference time and a local time upon detection of the DRM time setting event, determining a reference value using the reference time and the local time, and setting the DRM time or the portable terminal based on the reference value. | 12-31-2009 |
20100128878 | SYSTEM AND METHOD FOR PROVIDING DIGITAL CONTENTS SERVICE - The present invention relates to a method and system for providing a digital content service that provides packaging content consisting of digital rights management (DRM) content and advertisement content, and is able to use the DRM content for free by watching or listening to the advertisement content, including: generating packaging content consisting of pilot content and target content, which has been encrypted using an encryption key of the pilot content, and providing the packaging content to a portable terminal; and obtaining a decryption key for the target content through playing the pilot content of the packaging content, and playing the target content by the decryption key, by the portable terminal. | 05-27-2010 |
20100198687 | SYSTEM AND METHOD FOR CONFIGURING CONTENT OBJECT - A digital content distribution method and system for delivering a content package including a Digital Rights Management (DRM) content and an advertisement content which is played to generate a license for playing the DRM content is disclosed. The content object format of the present invention includes a target content object; a pilot content object containing specific advertisement data; and a header indicating locations of the target content object and the pilot content object. | 08-05-2010 |
20140109233 | RIGHTS OBJECT ACQUISITION METHOD OF MOBILE TERMINAL IN DIGITAL RIGHT MANAGEMENT SYSTEM - A rights objects acquisition method of a mobile terminal in a digital right management system is provided for acquiring multiple rights objects in a composite manner. An objects right acquisition method of a mobile terminal may include generating, in response to a group rights object (RO) acquisition command, a group rights object acquisition request with content identifiers assigned to individual contents corresponding to the rights objects indicated by the group rights object acquisition command, sending the group rights object acquisition request to a rights issuer; and receiving an group rights object acquisition response containing rights object identifiers assigned to the rights objects from the rights issuer. The present invention streamlines the RO acquisition process, especially when acquiring multiple ROs. | 04-17-2014 |