Patent ID: 8286235
Filing Date: 2012-10-09
Classification: G06F

Abstract:
1. An apparatus for managing a rights object, the apparatus comprising: an input unit that receives an order signal from a user; a rights-object-managing unit that determines whether the rights object can be backed up and restored based on rights object information when the order signal is input, and backs up and restores the rights object according to a result of the determination; and an information-managing unit that manages information related to movement and deletion of the rights object and information on the backed up and restored rights object, wherein the rights object information comprises information on the backup of the rights object, state information, and rights log information, wherein the backed up rights object and the state information are not activated until they are restored, wherein the determining whether the backed up rights object can be restored and the restoring the backed up rights object comprise: determining whether a device to restore the backed up rights object is identical with device information registered in restoration information; checking whether an original rights object is removed from a corresponding device, when the device is identical with the device information; and restoring the backed up rights object, when the original rights object is removed.