IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0015950
(2001-12-17)
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발명자
/ 주소 |
- Stefik,Mark J.
- Pirolli,Peter L. T.
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출원인 / 주소 |
- ContentGuard Holdings, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
45 인용 특허 :
134 |
초록
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A method for creating a composite digital work having usage rights and composite digital works having usage rights. The method comprises creating a digital content portion of a composite digital work including a plurality of content parts, and creating a description structure for the composite digit
A method for creating a composite digital work having usage rights and composite digital works having usage rights. The method comprises creating a digital content portion of a composite digital work including a plurality of content parts, and creating a description structure for the composite digital work. The description structure comprises a plurality of description blocks containing usage rights associated with at least a corresponding at least one of said content parts. The usage rights specify a manner of use for the corresponding one of the content parts. The manner of use indicates one or more stated purposes for which the corresponding digital content portion can be at least one of used and distributed by an authorized user.
대표청구항
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What is claimed is: 1. A method for creating a composite digital work having usage rights, said method comprising: a) electronically creating a digital content portion of a composite digital work including a plurality of content parts; and b) electronically creating a description structure for sai
What is claimed is: 1. A method for creating a composite digital work having usage rights, said method comprising: a) electronically creating a digital content portion of a composite digital work including a plurality of content parts; and b) electronically creating a description structure for said composite digital work , said description structure comprising a plurality of description blocks including usage rights associate with at least a corresponding at least one of said content parts, said usage right specifying a manner of use for the corresponding one of said content parts, said manner of use indicting one or more stated purposes for which the corresponding digital content portion can be at least one of used and distributed by an authorized user; c) interpreting said usage rights with a device including a repository to determine if access to the digital content can be granted; and d) storing said composite digital work in a repository, wherein said step (a) comprises the steps of: a1) electronically creating a first content part of said composite digital work; a2) electronically creating a second content part of said composite digital work; and a3) combining said first content part and said second content part to form said content portion, said step (b) comprises; b1) electronically creating a first description block including a first set of usage rights associated with said first content part; b2) electronically creating a second description block including a second se of usage rights associated with said second content part; and b3) electronically creating a third description block including a third set of usage rights associated with the combination of said first content part and said second content part, said step (b) comprises linking said first description block, said second description block and said third description block in a manner corresponding to the organization of said composite digital work, said step (d) comprises the steps of storing said description structure in a first storage device and storing said digital content portion in a second storage device, said step of creating the third description block comprise specifying the third set of usage rights and storing the third set of usage rights in a control information part of said third description block, and said third set of usage rights include a usage right indicating that no subsequent description blocks for specifying usage rights may be added to the description structure. 2. The method as recited in claim 1, wherein said step (a2) and (b2) comprise obtaining an existing digital work having a description block associated therewith as said second content part and said second description block. 3. The method as recited in claim 1, wherein each of sad first description block said second description block and said third description block comprise a pointer to a corresponding content part stored in said second storage device and a control information part storing usage rights for said corresponding part of said content portion and wherein said step of creating a first description block comprises specifying the first set of usage rights and storing the firs set of usage rights in said control information part of said first description block. 4. The method as recited in claim 1, wherein said step of creating said second content part comprises extracting said second content part from an existing digital work. 5. A method for assigning usage rights to a composite digital having a digital content portion that includes a plurality of content parts that each correspond to an individual digital work, said method comprising: a) electronically creating a description structure for said composite digital work, said description structure comprising a plurality of description blocks that each correspond to a content part of the composite digital work; b) storing usage rights associated with a corresponding at least one of said content parts in the description blocks, said usage rights specifying a manner of use for the corresponding one of said content parts, said manner of use indicating one or more stated purposes for which the corresponding digital content portion can be at least one of used and distributed by an authorized user; and c) interpreting said usage rights with a device including a repository to determine if access to the digital content can be granted, wherein the composite digital work includes a first content part a second content part and wherein said step (a) comprises the steps of: a1) electronically creating a first description block including a first set of usage rights associated with said first content part of said composite digital work; a2) electronically creating a second description block including a second set of usage rights associated with said second content part of said composite digital work; and a3) electronically creating a third description block including a third set of usage rights associated with a combination of said first content part and said second content part, said first description block, said second description block and said third description block are linked in a manner corresponding to the organization of the composite digital work, said step of creating a third description block comprises specifying the third et of usage rights and storing the third set of usage rights in a control information part of said third description block, said third set of usage rights include a usage right indicating that no subsequent description blocks for specifying usage rights may be added to the description structure, said composite digital work is stored in a repository, said description structure is stored in a first storage device, and said digital content portion is stored in a second storage device. 6. The method as recited in claim 5, wherein each of said first description block, said second description block and said third description block is comprised a pointer to a corresponding one of said content parts and comprise a control information part storing usage rights for said corresponding part of said content portion and wherein said step of creating a first description block for said first content part is further comprised of the step of specifying a the first set of usage rights and storing the first set of usage rights in said control information part of said first description block. 7. A system for controlling use of a composite digital work having usage rights, said system comprising: a digital content portion including a plurality of content parts configured to be interpreted by a rendering device; and a description structure for said composite digital work, said description structure comprising a plurality of description blocks including usage rights associated with at least a corresponding at least one of said content parts, said usage rights specifying a manner of use for the corresponding one of said content parts, said manner of use indicating one or more stated purposes for which the corresponding digital content portion can be at least one of used and distributed by an authorized user; a device including a repository for interpreting said usage rights to determine if access to the digital content can be granted, wherein the said digital content portion comprises a first content part of said composite digital work and a second content part of said composite digital work, said description structure comprises a first description block including a first set of usage rights associated with said first content part, a second description block including a second set of usage rights associated with said second content part, and a third description block including a third set of usage rights associated with said first content part and said second content part in combination, said first description block, said second description block and said third description block are linked in a manner corresponding to the organization of said composite digital work, said third description block comprises the third set of usage rights stored in a control information part of said third description block, said third set of usage rights include a usage right indicating that no subsequent description blocks for specifying usage rights may be added to the description structure, said composite digital work is stored in a repository, said description structure is stored in a first storage device, and said digital content portion is stored in a second storage device, 8. The system as recited in claim 7, wherein said second content part comprises an existing digital work having a description block associated therewith. 9. The system as recited in claim 7, wherein each of said first description block, said second description block and said third description block comprise a pointer to a corresponding content part and a control information part storing usage rights for said corresponding part of said content portion.
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