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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:

Patent Number Title Of Patent Date Issued
8103001 Method for verifying rights contained in a security module Jan. 24, 2012
8103000 Slice mask and moat pattern partial encryption Jan. 24, 2012
8099365 Extended data collection for multi-merchant purchasing environment for downloadable products Jan. 17, 2012
8095991 Digital rights management of streaming captured content based on criteria regulating a sequence of elements Jan. 10, 2012
8095469 Content management program, method and device Jan. 10, 2012
8095468 Method for providing protected audio/video content Jan. 10, 2012
8095466 Methods and apparatus to conditionally authorize content delivery at content servers in pay delivery systems Jan. 10, 2012
8091140 Electro-mechanical system for non-duplication of audio files Jan. 3, 2012
8086536 Location based licensing Dec. 27, 2011
8086535 Decoupling rights in a digital content unit from download Dec. 27, 2011
8085972 Protection method for preventing hard copy of document from being released or reproduced Dec. 27, 2011
8082212 Electronic musical apparatus for recording and reproducing music content Dec. 20, 2011
8079091 Compliance processing of rights managed data Dec. 13, 2011
8079088 Information processing apparatus, information processing method, and program Dec. 13, 2011
8078541 Electronic musical apparatus for recording and reproducing music content Dec. 13, 2011
8074286 Secure media path system and method Dec. 6, 2011
8074071 Reproducing apparatus, recording apparatus and display apparatus Dec. 6, 2011
8073779 Disaggregated secure execution environment Dec. 6, 2011
8073430 Compressed audio information Dec. 6, 2011
8069065 System and method for managing investment risk in satellite operator companies Nov. 29, 2011
RE42950 Copy prevention method and apparatus for digital video system Nov. 22, 2011
8065524 Authentication processing apparatus and authentication processing method Nov. 22, 2011
RE42922 Copy prevention method and apparatus for digital video system Nov. 15, 2011
RE42921 Copy prevention method and apparatus for digital video system Nov. 15, 2011
8060444 Determining whether a digital rights management system's native license is valid Nov. 15, 2011
8059815 Transforming data files into logical storage units for auxiliary data through reversible watermarks Nov. 15, 2011
8055899 Systems and methods using digital watermarking and identifier extraction to provide promotional opportunities Nov. 8, 2011
8051490 Computer system for judging whether to permit use of data based on location of terminal Nov. 1, 2011
8046841 Steganographic method and device Oct. 25, 2011
8046838 Using a modulation transfer function of a device to create digital content for the device Oct. 25, 2011
8041949 Information processing scheme for realizing contents transfer and copyright protection Oct. 18, 2011
8041643 System and method of providing media content Oct. 18, 2011
8037473 Method to share licensed applications between virtual machines Oct. 11, 2011
8037036 Systems and methods for defining digital asset tag attributes Oct. 11, 2011
RE42813 Method of converting audio data for a portable device and reproducing the converted audio data Oct. 4, 2011
8027936 Apparatus for and method of establishing digital content right, and computer program product Sep. 27, 2011
8027924 Playback apparatus, playback authorization server, program, and system integrated circuit Sep. 27, 2011
8027921 Method and software for migrating protected authentication data Sep. 27, 2011
8024488 Methods and apparatus to validate configuration of computerized devices Sep. 20, 2011
8023653 Media key-transformation obfuscation in advanced access content system Sep. 20, 2011
8019688 Music distribution system and associated antipiracy protections Sep. 13, 2011
8019687 Distributed digital rights management node module and methods for use therewith Sep. 13, 2011
8015112 Embedded license data file distribution and processing system Sep. 6, 2011
8014236 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. 6, 2011
8010808 Data recognition apparatus for copy protection and method thereof and recording medium thereof Aug. 30, 2011
8009828 Integrated shuffle validity proving device, proof integrating device, integrated shuffle validity verifying device, and mix net system Aug. 30, 2011
8005758 Encryption/decryption method and apparatus for controlling content use based on license information Aug. 23, 2011
8005757 Specifiying security for an element by assigning a scaled value representative of the relative security thereof Aug. 23, 2011
8005419 System and method for securely storing and organizing SDARS content with DRM and non-DRM protected media content, and for facilitating obtaining purchased or subscription-based media based on Aug. 23, 2011
8005222 Radio communication system, radio communication device, radio communication method, and computer program Aug. 23, 2011

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