Method and system for digital rights management among apparatuses
AssigneeLG Electronics Inc.
InventorsTe-Hyun Kim, Seung-Jae Lee
Life of this patent
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Abstract
A digital rights management (DRM) method and system between devices are disclosed. In order to allow a first device connected with a second device to use a rights object (RO) bound to the second device, the second device decodes the particular content or the RO and transmits the decoded particular content or the decoded RO to the first device. State information of the RO according to a usage amount of the particular content used by the first device is managed by the second device.
Claims9
1-78. (canceled)
A digital rights management (DRM) method in a terminal, comprising:
- requesting information on a right to use a particular content from a card DRM agent;
- receiving the information on the right from the card DRM agent, wherein the information includes a meta data for the right and state information for the right;
- decoding the particular content using the information on the right;
- and
- requesting an update of the state information from the card DRM agent, when a usage of the content is finished.
A digital rights management (DRM) method in a card, comprising:
- receiving a request for information on a right to use a particular content from a terminal;
- transmitting the information on the right to the terminal, wherein the information includes a meta data for the right and state information for the right;
- receiving a request of an update of the state information from the terminal, when the terminal finishes a usage of the content;
- and
- updating the state information in response to the request of the update.
Dependencies are inferred from the claim text.