Digital work structure
First Claim
1. A non-transitory digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with digital content, the digital work comprising:
- a contents file including information related to digital content that is interpreted by an interpreter; and
a description tree file including descriptor blocks organized in a hierarchical manner, at least some of the descriptor blocks including usage rights associated with the digital content, the usage rights specifying a manner of use of the digital content,wherein at least one of the descriptor blocks comprises a content identifier and a usage rights portion, the content identifier including a identifier of the digital content and the usage rights portion including the usage rights,the contents file comprises plural content portions,the usage rights portion comprises a rights code field including a code indicative of the manner of use of the digital content and a status information field including information relating to a state of the manner of use,the usage rights information is included in a data structure, andthe data structure is a lookup table including the usage rights information.
2 Assignments
0 Petitions
Accused Products
Abstract
A digital work and data structure for use within a system for enforcing usage rights associated with digital content, including a description tree file including descriptor blocks organized in a hierarchical manner. The descriptor blocks include usage rights associated with the digital content, and specifying a manner of use of the digital content, a content identifier including a unique identifier of the digital content, and a usage rights portion including the usage rights. The digital content includes plural content portions, and the usage rights portion includes a rights code field including a code indicative of the manner of use of the digital content and a status information field including information relating to a state of the manner of use.
247 Citations
68 Claims
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1. A non-transitory digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with digital content, the digital work comprising:
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a contents file including information related to digital content that is interpreted by an interpreter; and a description tree file including descriptor blocks organized in a hierarchical manner, at least some of the descriptor blocks including usage rights associated with the digital content, the usage rights specifying a manner of use of the digital content, wherein at least one of the descriptor blocks comprises a content identifier and a usage rights portion, the content identifier including a identifier of the digital content and the usage rights portion including the usage rights, the contents file comprises plural content portions, the usage rights portion comprises a rights code field including a code indicative of the manner of use of the digital content and a status information field including information relating to a state of the manner of use, the usage rights information is included in a data structure, and the data structure is a lookup table including the usage rights information. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A non-transitory computer-readable storage medium having a data structure for specifying usage rights that are associated with digital content for use within a system for enforcing use of the digital content in accordance with the usage rights recorded thereon, the data structure comprising:
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a description tree file including descriptor blocks organized in a hierarchical manner, at least some of the descriptor blocks including usage rights associated with the digital content, the usage rights specifying a manner of use of the digital content, at least one of the descriptor blocks comprises a identifier of the digital content and a usage rights portion including the usage rights, wherein the digital content comprises plural content portions, the usage rights portion comprises a rights code field including a code indicative of the manner of use of the digital content and a status information field including information relating to a state of the manner of use, the usage rights information is included in a data structure, and the data structure is a lookup table including the usage rights information. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33, 34, 35)
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36. A non-transitory digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, the digital work comprising:
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a content file including information representing the content that can be rendered by a rendering device; and a description tree file including descriptor blocks organized in a hierarchical manner, at least one of the descriptor blocks including usage rights associated with the content, the usage rights specifying a manner of use for the content, wherein at least one of the descriptor blocks comprises a content identifier and a rights portion, the content identifier including an identifier of content and the rights portion including the usage rights; and wherein the rights portion comprises a rights code field including a code indicative of a manner of use of the content and a status information field including information relating to a state of the manner of use. - View Dependent Claims (37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60)
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61. A non-transitory digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, the digital work comprising:
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a content file including information representing content that can be rendered by a rendering device; and a description tree file including descriptor blocks organized in a hierarchical manner, at least one of the descriptor blocks including usage rights associated with the content, the usage rights specifying a manner of use for the content, wherein at least one of the descriptor block comprises a content identifier and a rights portion, the content identifier including an identifier of content and the rights portion including the usage rights; and wherein at least one of the descriptor blocks includes a content identifier, a usage rights portion including usage rights information, and a pointer to a child descriptor block.
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62. A non-transitory computer-readable storage medium having a data structure for specifying usage rights that can be associated with content for use within a system for enforcing use of the content in accordance with the usage rights recorded thereon, said data structure comprising:
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a description tree file including descriptor blocks organized in a hierarchical manner, at least one of said descriptor blocks including usage rights associated with the content, said usage rights specifying a manner of use for the content, at least one of said descriptor block comprises a identifier of content and a rights portion comprising a rights code field including a code indicative of a manner of use of the content and a status information field including information relating to a state of the manner of use. - View Dependent Claims (63, 64, 65, 66, 67, 68)
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Specification