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Class Information
Number: 380/201
Name: Cryptography > Video cryptography > Copy protection or prevention
Description: Subject matter which prevents rerecording of a stored picture signal representative of a time varying object or image.

Sub-classes under this class:

Class Number Class Name Patents
380/203 Having copy protect signal 561
380/202 Having origin or program id 384
380/204 Modifying sync signal 166

Patents under this class:

Patent Number Title Of Patent Date Issued
8477990 Reducing watermark perceptibility and extending detection distortion tolerances Jul. 2, 2013
8472291 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 Jun. 25, 2013
8468098 Method and system for subscription digital rights management Jun. 18, 2013
8467528 Multimedia content protection Jun. 18, 2013
8464355 Method and device for exchanging digital content licenses Jun. 11, 2013
8463814 Copy protected digital data Jun. 11, 2013
8463776 Image file container Jun. 11, 2013
8462945 Protecting video content using virtualization Jun. 11, 2013
8457311 Protecting video as it is decoded by a codec Jun. 4, 2013
8453250 Option management system, method and recording medium for digital device May. 28, 2013
8452456 System and method of use for a user interface dashboard of a heating, ventilation and air conditioning network May. 28, 2013
8448216 Method and apparatus for orchestrating policies in service model of service-oriented architecture system May. 21, 2013
8443208 System, method and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks, or other media May. 14, 2013
8442224 Protecting video content using virtualization May. 14, 2013
8442223 Video device and control method thereof May. 14, 2013
8442120 System and method for thinning of scalable video coding bit-streams May. 14, 2013
RE44209 Method and system for real-time control of document printing May. 7, 2013
8438397 Watermarking for compressed scalable coded bitstreams May. 7, 2013
8429752 System and method for digital rights management of digital media Apr. 23, 2013
8429746 Decoy network technology with automatic signature generation for intrusion detection and intrusion prevention systems Apr. 23, 2013
8429081 Techniques for securely delivering media data Apr. 23, 2013
8428516 Wireless ad hoc network security Apr. 23, 2013
8428300 Method for securing an image by means of graphical anti-counterfeiting means, method for securing an identification document, and secure identification document Apr. 23, 2013
8428257 Display window control system and method Apr. 23, 2013
8428256 Method and apparatus for efficiently fixing transformed part of content Apr. 23, 2013
8424099 PC secure video path Apr. 16, 2013
8422731 System, method, and apparatus for video fingerprinting Apr. 16, 2013
8413233 Authorizing local application activity using remotely defined security data Apr. 2, 2013
8411857 Partial multiple encryption Apr. 2, 2013
8407809 Delivery of non-permanent media files to a mobile station Mar. 26, 2013
8407467 Ubiquitous audio reproducing and servicing method and apparatus Mar. 26, 2013
8407141 System and method for processing multiple methods of payment Mar. 26, 2013
8396222 Key distribution system Mar. 12, 2013
8396216 Partial dual-encryption using program map tables Mar. 12, 2013
8392720 Security of data over a network Mar. 5, 2013
8392333 Method for providing protected audio/video content Mar. 5, 2013
8385544 Packet based high definition high-bandwidth digital content protection Feb. 26, 2013
8385543 Method and apparatus providing confidentiality, integrity and authenticity for a video file Feb. 26, 2013
8379852 Processing video content Feb. 19, 2013
8374347 Method and apparatus for modifying a subsequently generated control command in a content control system Feb. 12, 2013
8374346 Method, apparatus, and system for pre-authentication and keep-authentication of content protected ports Feb. 12, 2013
8374127 Digital broadcasting system and method of processing data in digital broadcasting system Feb. 12, 2013
8370641 Initialization of a microprocessor providing for execution of secure code Feb. 5, 2013
8370635 Synchronization of digital watermarks Feb. 5, 2013
8365307 Method and apparatus for storing copy protection information separately from protected content Jan. 29, 2013
8365296 Information processing apparatus, information processing method and computer readable medium having a program Jan. 29, 2013
8364597 Recording device, server device, recording method, recording medium with computer program recorded therein and integrated circuit Jan. 29, 2013
8363840 Method and apparatus for providing broadcast service using encryption key in a communication system Jan. 29, 2013
8359655 Software code analysis and classification system and method Jan. 22, 2013
8359609 Detecting distribution of multimedia content Jan. 22, 2013

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