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Class Information
Number: 705/57
Name: Data processing: financial, business practice, management, or cost/price determination > Business processing using cryptography > Usage protection of distributed data files > Copy protection or prevention
Description: Subject matter which prevents rerecording of a distributed data file.

Sub-classes under this class:

Class Number Class Name Patents
705/58 Having origin or program id 423

Patents under this class:
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Patent Number Title Of Patent Date Issued
7110984 Updating usage conditions in lieu of download digital rights management protected content Sep. 19, 2006
7110544 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method Sep. 19, 2006
7109986 Illumination apparatus Sep. 19, 2006
7108171 Methods of temporarily providing digital content to a customer Sep. 19, 2006
7107450 Content-based authentication of graph presented in text documents Sep. 12, 2006
7103574 Enforcement architecture and method for digital rights management Sep. 5, 2006
7103598 Software distribution method and apparatus Sep. 5, 2006
7099848 Audio delivery and rendering method and apparatus Aug. 29, 2006
7096202 Consumer distribution license system and method Aug. 22, 2006
7096203 Method and apparatus for dynamic renewability of content Aug. 22, 2006
7092906 Parallel keystream decoder Aug. 15, 2006
7092909 Information processing apparatus and method, and distribution medium Aug. 15, 2006
7092911 Reproducing apparatus and reproducing method Aug. 15, 2006
7093132 Method and apparatus for protecting ongoing system integrity of a software product using digital signatures Aug. 15, 2006
7093134 Method and apparatus for signing and sealing objects Aug. 15, 2006
7088822 Information playback device, information recording device, information playback method, information recording method, and information recording medium and program storage medium used therewith Aug. 8, 2006
7089211 Directory enabled secure multicast group communications Aug. 8, 2006
7089427 Security system method and apparatus for preventing application program unauthorized use Aug. 8, 2006
7083095 System for automatic connection to a network Aug. 1, 2006
7085741 Method and apparatus for managing digital content usage rights Aug. 1, 2006
7085742 Authenticating software licenses Aug. 1, 2006
7082399 Information providing apparatus, server apparatus and information processing method Jul. 25, 2006
7082413 System and method for authorized compression of digitized music Jul. 25, 2006
7082414 Image encrypting method and device, image decrypting method and device, and recording medium Jul. 25, 2006
7082533 Gauging risk in electronic communications regarding accounts in ABDS system Jul. 25, 2006
7082540 System and method for tracking programmable devices that use intellectual property Jul. 25, 2006
7079278 Image processing apparatus, data processing method, and storage medium Jul. 18, 2006
7080037 Portable electronic authorization system and method Jul. 18, 2006
7080041 System and method for production and authentication of original documents Jul. 18, 2006
7080043 Content revocation and license modification in a digital rights management (DRM) system on a computing device Jul. 18, 2006
7080257 Protecting digital goods using oblivious checking Jul. 18, 2006
7080261 Computer-readable medium with microprocessor to control reading and computer arranged to communicate with such a medium Jul. 18, 2006
7076063 Master digital data creation device and digital data reproduction device Jul. 11, 2006
7076469 Copyright protection of digital images transmitted over networks Jul. 11, 2006
7076658 Method and system for the simultaneous processing of document structure and electronic signature for electronic documents Jul. 11, 2006
7076662 Data alteration checking apparatus and method and recording medium Jul. 11, 2006
7072865 Broadcast receiving method and apparatus and information distributing method and apparatus Jul. 4, 2006
7073073 Data providing system, device, and method Jul. 4, 2006
7068787 System and method for protection of digital works Jun. 27, 2006
7069245 Simultaneous network news distribution Jun. 27, 2006
7069246 Method for minimizing pirating and/or unauthorized copying and/or unauthorized access of/to data on/from data media including compact discs and digital versatile discs, and system and data med Jun. 27, 2006
7069590 System and method for protecting data streams in hardware components Jun. 27, 2006
7065504 Fee imposition system for application software Jun. 20, 2006
7065505 Method for metering and pricing of digital works Jun. 20, 2006
7065506 Method and apparatus to inhibit illicit copying from a record carrier to a computer-readable data storage device Jun. 20, 2006
7062046 Method and system for tracing an analog copy of a digital work to a unique digital copy and a particular digital player Jun. 13, 2006
7062658 Secure digital appliance and method for protecting digital content Jun. 13, 2006
7062784 Prevention of disk piracy Jun. 13, 2006
7058607 Contents distribution method and system Jun. 6, 2006

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