Patent
Network-based content distribution system
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TLDR
In this article, a method and system for transferring electronic media information over a public network in such a way as to provide safeguards for inappropriate distribution of copyright or otherwise protected materials are described.Abstract:
A method and system for transferring electronic media information over a public network in such a way as to provide safeguards for inappropriate distribution of copyright or otherwise protected materials are described. The media information is transparently watermarked with a unique ID, such as one generated from X.509 Digital Certificate and public-key cryptography public/private key pairs, such that the information can be identified as belonging to a particular individual. A system and method for monitoring the movement of such watermarked files, positively identifying people who have inappropriately distributed copyright materials over a public network without permission, and taking appropriate enforcement action against such people.read more
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Patent
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Copyright detection and protection system and method
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References
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Patent
Secure online music distribution system
TL;DR: In this article, a computer implemented online music distribution system provides for the secure delivery of audio data and related media, including text and images, over a public communications network, through multiple layers of encryption, and the cryptographic binding of purchased audio data to each specific purchaser.
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System for tracking end-user electronic content usage
John Dorak,Edgar Downs,George Gregory Gruse,Marco M. Hurtado,Christopher Lehman,Jeffrey Bruce Lotspiech,Cesar Medina,Kenneth Louis Milsted +7 more
TL;DR: In this paper, a system for tracking usage of digital content on user devices is presented, where a license to play digital content data is sold to a user, and the licensed content data are transmitted to a content player for the user.
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Steganographic method and device
TL;DR: In this paper, an apparatus and method for encoding and decoding additional information into a stream of digitized samples in an integral manner is presented. But the method does not cause a significant degradation to the sample stream.
Patent
Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
TL;DR: In this article, the authors present methods and systems for encoding digital watermarks into content signals, including window identifier for identifying a sample window in the signal; an interval calculator for determining a quantization interval of the sample window; and a sampler for normalizing sample window to provide normalized samples.
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Methods and apparatus for disseminating product information via the internet
TL;DR: In this article, a product code translator stores cross-references between product codes and the address of Internet resources which provide information about the products designated by the codes, such as product description data, which is retrieved from the manufacturers' Internet sites using the Internet addresses provided by the product code translators.