IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0359100
(2003-02-06)
|
발명자
/ 주소 |
- Stefik, Mark J.
- Pirolli, Peter L. T.
|
출원인 / 주소 |
- ContentGuard Holdings, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
29 인용 특허 :
138 |
초록
▼
A digital work for use within a rights management system for controlling use of the digital work in accordance with usage rights. The work is organized into an acyclic structure and includes a contents file including information related to content that can be interpreted by an interpreter, and a des
A digital work for use within a rights management system for controlling use of the digital work in accordance with usage rights. The work is organized into an acyclic structure and includes a contents file including information related to content that can be interpreted by an interpreter, and a description tree file including descriptor blocks organized in a hierarchical manner. At least some of the descriptor blocks contain usage rights associated with the content. The usage rights specify a manner of use for the content.
대표청구항
▼
1. A digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, said digital work comprising:a contents file including information related to content that can be interpreted by an interpreter; and a description tree file including des
1. A digital work organized into an acyclic structure for use within a system for enforcing usage rights associated with content, said digital work comprising:a contents file including information related to content that can be interpreted by an interpreter; and a description tree file including descriptor blocks organized in a hierarchical manner, at least some of said descriptor blocks containing usage rights associated with the content, said usage rights specifying a manner of use for the content, wherein at least one of said descriptor block comprises a content identifier and a rights portion, said content identifier including a unique identifier of content and said rights portion containing said usage rights, wherein said contents file comprises plural content portions, wherein said rights portion comprises a rights code field containing a code indicative of a manner of use of the digital content and a status information field containing information relating to a state of the manner of use, wherein at least one of said descriptor blocks does not include a content identifier and includes a pointer to a child descriptor block and a usage rights portion containing usage rights information associated with said child descriptor block, and wherein said usage rights portion comprises a transactional component including a specification of said manner of use for the associated digital content and a specifications component specifying conditions that must be satisfied to exercise the manner of use or transaction related parameters. 2. A digital work as recited in claim 1, wherein said usage rights information is contained in a data structure.3. A digital work as recited in claim 2, wherein said data structure is a lookup table containing the usage rights information.4. A digital work as recited in claim 1, wherein the interpreter is a rendering device for rendering the content into a desired form.5. A digital work as recited in claim 1, wherein said contents file comprises a stream of addressable bytes representing the information related to the content.6. A digital work as recited in claim 1, wherein said content portions are stored linearly.7. A digital work as recited in claim 1, wherein each of the content identifiers include a pointer to one of said content portions.8. A digital work as recited in claim 1, wherein the content comprises at least one content object.9. A digital work as recited in claim 1, wherein the content comprises audio information.10. A digital work as recited in claim 1, wherein the content comprises video information.11. A digital work as recited in claim 1, wherein the content comprises textual information.12. A digital work as recited in claim 1, wherein the content comprises graphical information.13. A digital work as recited in claim 1, wherein the content comprises a computer program.14. A digital work as recited in claim 13, wherein the manner of use is a manner of executing the computer software.15. A digital work as recited in claim 1, wherein said contents file and said description tree file are adapted to be stored on the same device.16. A digital work as recited in claim 1, wherein said contents file and said description tree file are adapted to be stored on different devices.17. A digital work as recited in claim 1, wherein said contents file remains with said description tree file.18. A digital work as recited in claim 1, wherein said transaction related parameters specify a financial account.19. A digital work as recited in claim 1, wherein said usage rights portion further comprises a label indicating the manner of use specified by the transactional component.20. A digital work as recited in claim 1, wherein said transactional component further comprises software instructions which implement the manner of use specified by the usage right.21. A digital work as recited in claim 1, wherein the manner of use is a manner of rendering and the content.22. A digital work as recited in claim 21, wherein the content is adapted to be rendered by a rendering system as the interpreter.23. A digital work as recited in claim 21, wherein the manner of rendering is a manner of displaying.24. A digital work as recited in claim 21, wherein the manner of rendering is a manner of playing.25. A digital work as recited in claim 21, wherein the manner of rendering is a manner of printing.26. 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, said data structure comprising:a description tree file including descriptor blocks organized in a hierarchical manner, at least some of said descriptor blocks containing 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 unique identifier of content and a rights portion comprising a rights code field containing a code indicative of a manner of use of the digital content and a status information field containing information relating to a state of the manner of use, wherein said content comprises plural content portions, wherein at least one of said descriptor blocks does not include a content identifier and includes a pointer to a child descriptor block and a rights portion containing usage rights information associated with said child descriptor block, and wherein said rights portion comprises a transactional component including a specification of said manner of use for the content and a specifications component specifying conditions that must be satisfied to exercise the manner of use or transaction related parameters. 27. A data structure as recited in claim 26, wherein said rights portion further comprises a label indicating the manner of use.28. A data structure as recited in claim 26, wherein the manner of use is a manner of rendering and the content.29. A data structure as recited in claim 28, wherein the manner of rendering is a manner of displaying.30. A data structure as recited in claim 28, wherein the manner of rendering is a manner of playing.31. A data structure is as recited in claim 28, wherein the manner of rendering is a manner of printing.32. A data structure as recited in claim 26, wherein the manner of use is a manner of executing the computer software.
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