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Contents rights protecting method

A copyright and content technology, applied in the direction of program/content distribution protection, internal/peripheral computer component protection, instruments, etc., can solve problems such as impossible prevention

Inactive Publication Date: 2008-02-27
LG ELECTRONICS INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the related art DRM technology, if a user's mobile terminal owns a rights object (RO) for a specific content, the user can use the corresponding content with his mobile terminal until the RO is discarded.
That is, if a user loses a mobile terminal with an RO of a certain content, it is impossible to prevent a third party who picks up the terminal from using the corresponding content
[0006] In addition, in the existing DRM technology, if a user loses a mobile terminal having an RO of a specific content, the user must use the content by repurchasing the RO of the corresponding content

Method used

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  • Contents rights protecting method
  • Contents rights protecting method
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Embodiment Construction

[0021] Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings. It will be apparent to those skilled in the art that various modifications and changes can be made in the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of these inventions provided they come within the scope of the claims and their equivalents.

[0022] Hereinafter, an embodiment of a method for protecting a rights object of content according to the present invention will be explained with reference to the accompanying drawings.

[0023] This invention relates to a method of protecting a copyright object (RO) regarding the content of a lost terminal, by which, when a terminal storing an RO of a specific content is lost, the RO stored in the lost terminal is discarded, which prevents it from being p...

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Abstract

A method for protecting a rights object for a content, wherein when a discard of a rights object with respect to a certain content is requested due to a missing of a terminal which stores the rights object with respect to the content, a rights issuer (Rl) receives a confirmation request for whether a certificate has been discarded from the terminal, confirms the certificate discard through an Online Certificate Status Protocol (OCSP) responder, and then notifies the terminal of the certificate discard, and accordingly the terminal confirms the discard of the certificate of the terminal and removes the rights object with respect thereto. In addition, a user who has removed the rights object with respect to the content can continuously use the corresponding content by entirely or partially re-obtaining the rights object with respect to the content from which the rights object has been discarded.

Description

technical field [0001] The present invention relates to digital rights management (DRM), to a method for protecting rights objects related to content stored in a mobile communication terminal. Background technique [0002] Recently, wired / wireless Internet and network technologies have been continuously developed, so companies providing digital content are also rapidly increasing, so that content in ordinary business affairs that was produced, stored and managed in analog format in the past has been digitized, and thus can be provided various digital content. Compared with existing analog content, digital content has great advantages in production, processing and distribution. However, these advantages may lead to a violation of copyright and rights of the original author with respect to the content. In other words, the pirated version is the same as the genuine one. Therefore, consumers do not have a strong desire to purchase genuine content. Moreover, the content can e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/00
CPCG06F21/88G06F21/10G06F2221/2143F16C3/06F01M1/02F16C2360/22F01M2001/0269
Inventor 李承帝
Owner LG ELECTRONICS INC
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