System for controlling access and distribution of digital property

a technology for controlling access and digital property, applied in the direction of television systems, unauthorized memory use protection, instruments, etc., can solve the problems of reducing sound quality, small, but noticeable, and affecting the economic benefits of the system
US20010021926A1Inactive Publication Date: 2001-09-13HANGER SOLUTIONS LLC
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
HANGER SOLUTIONS LLC
Publication Date
2001-09-13
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method and device are provided for controlling access to data. Portions of the data are protected and rules concerning access rights to the data are determined. Access to the protected portions of the data is prevented, other than in a non-useable form; and users are provided access to the data only in accordance with the rules as enforced by a mechanism protected by tamper detection. A method is also provided for distributing data for subsequent controlled use of those data. The method includes protecting portions of the data; preventing access to the protected portions of the data other than in a non-useable form; determining rules concerning access rights to the data; protecting the rules; and providing a package including: the protected portions of the data and the protected rules. A user is provided controlled access to the distributed data only in accordance with the rules as enforced by a mechanism protected by tamper protection. A device is provided for controlling access to data having protected data portions and rules concerning access rights to the data. The device includes means for storing the rules; and means for accessing the protected data portions only in accordance with the rules, whereby user access to the protected data portions is permitted only if the rules indicate that the user is allowed to access the portions of the data.
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Description

1. FIELD OF THE INVENTION

[0001] This invention relates to the control of distribution and access of digital property as well as to the payment therefor.2. BACKGROUND OF THE INVENTION

[0002] The development and deployment of digital information networks is accompanied by new concerns for the protection of rights to data and information. The U.S. Congress Office of Technology Assessment identified the following key developments relevant to the area of this invention: there has been an overall movement to distributed computing; boundaries between types of information are blurring; the number and variety of service providers has increased. Information Security and Privacy in Networked Environments, Congress, Office of Technology Assessment, OTA-TCT-606, Washington, DC: U.S. Government Printing Office, September 1994.

[0003] Computer networks allow more interactivity; and, most significantly, electronic information has opened new questions about copyright, ownership, and responsibility for...

Claims

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