USER DEVICE AND METHOD FOR RECEIVING DRM FUNCTION CORRESPONDING TO SPECIFIC CONTENTS
First Claim
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1. A method of receiving a Digital Rights Management (DRM) function corresponding to a particular content by a user device, the method comprising:
- acquiring a rights object of a content;
determining requirements of a reproduction of the content included in the rights object;
determining whether there is an effective DRM function corresponding to the content in the user device based on the requirements; and
downloading a new DRM function corresponding to the content when there is the effective DRM function.
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Abstract
The present invention proposes a method for obtaining a digital right management (DRM) function for playing DRM contents on a user device according to need. To this end, the present invention comprises the steps of, when a user device requests a specific DRM contents or accesses a service system, a user device obtaining a rights object corresponding to a request; determining information on a current DRM function using the rights object; and when a new DRM function is required, installing a new DRM function or upgrading the standard DRM function.
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20 Claims
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1. A method of receiving a Digital Rights Management (DRM) function corresponding to a particular content by a user device, the method comprising:
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acquiring a rights object of a content; determining requirements of a reproduction of the content included in the rights object; determining whether there is an effective DRM function corresponding to the content in the user device based on the requirements; and downloading a new DRM function corresponding to the content when there is the effective DRM function. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A user device configured to receive a Digital Rights Management (DRM) function corresponding to a particular content, the user device comprising:
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a DRM controller configured to acquire a rights object of a content, determine requirements for a reproduction of the content included in the rights object, determine whether there is an effective DRM function corresponding to the content in the user device based on the requirements, and provide download information on the effective DRM function when there is no effective DRM function; and a download agent configured to download a new DRM function corresponding to the content based on the download information on the effective DRM function. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A portable terminal configured to receive a Digital Rights Management (DRM) function corresponding to a particular content, the portable terminal comprising:
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a DRM controller configured to acquire a rights object of a content, determine requirements for a reproduction of the content included in the rights object, determine whether there is an effective DRM function corresponding to the content in the portable terminal based on the requirements, and provide download information on the effective DRM function when there is no effective DRM function; a download agent configured to download a new DRM function corresponding to the content based on the download information on the effective DRM function; and a display unit configured to display the content under control of the DRM controller. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification