Method and system for implementing digital rights management
First Claim
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1. A method for implementing digital rights management comprising:
- creating a content license defining the parameters for accessing a piece of digital content and comprising;
a logical expression defining a plurality of playback devices, each of the plurality of playback devices with a unique identification, and wherein said logical expression includes said unique identification of each of the plurality of playback devices that a recipient of the piece of digital content is authorized to use when accessing the piece of digital content in said content license and defining a time interval wherein the plurality of playback devices are authorized to access the piece of digital content; and
utilizing said content license to access the piece of digital content.
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Abstract
In one embodiment, a content license is created that defines parameters for accessing a piece of digital content. A first logical expression in the content license defines a plurality of playback devices that are authorized to access the piece of digital content. A second logical expression in the content license defines at least one time interval when the plurality of playback devices are authorized to access the piece of digital content. The content license is used to access the piece of digital content.
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Citations
25 Claims
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1. A method for implementing digital rights management comprising:
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creating a content license defining the parameters for accessing a piece of digital content and comprising; a logical expression defining a plurality of playback devices, each of the plurality of playback devices with a unique identification, and wherein said logical expression includes said unique identification of each of the plurality of playback devices that a recipient of the piece of digital content is authorized to use when accessing the piece of digital content in said content license and defining a time interval wherein the plurality of playback devices are authorized to access the piece of digital content; and utilizing said content license to access the piece of digital content. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for implementing digital rights management comprising:
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creating a content license defining the parameters for accessing a piece of digital content and comprising; identifying at least one playback device with a unique identification; a logical expression defining a plurality of time intervals wherein a recipient of the piece of digital content is authorized to access the piece of digital content and capable of defining a plurality of playback devices authorized to access said piece of digital content during said plurality of time intervals, wherein the logical expression includes the unique identification of at least one playback device in said content license; and utilizing said content license to access the piece of digital content. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A computer system comprising:
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a bus; a memory unit coupled with said bus; and a processor coupled with said bus, said processor for executing a method for implementing digital rights management comprising; a) creating a content license defining the parameters for accessing a piece of digital content wherein a logical expression defines a plurality of playback devices, wherein each of the plurality of playback devices is identified with a unique identification that a recipient of the piece of digital content is authorized to use when accessing the piece of digital content and defines a time interval wherein the plurality of playback devices are authorized to access the piece of digital content; and b) delivering said content license to one the plurality of playback devices. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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Specification