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Class Information
Number: 380/233
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Usage or charge determination > Including usage or charge recording at subscriber station
Description: Subject matter wherein data representing program descrambling activity or cost thereof is written to a storage device at a user s location.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8676187 Dynamic binding of service on bearer Mar. 18, 2014
8677507 Systems and methods for secure transaction management and electronic rights protection Mar. 18, 2014
8627507 System and method for multimedia data validation Jan. 7, 2014
8590056 Trusted infrastructure support systems, methods and techniques for secure electronic commerce electronic transactions and rights management Nov. 19, 2013
8453247 Apparatus, system and method for providing security service in home network May. 28, 2013
8412151 Payback calling plan Apr. 2, 2013
8401190 Portable security module pairing Mar. 19, 2013
8370499 Self-service terminal Feb. 5, 2013
8347362 Usage control services performed in an end user device Jan. 1, 2013
8281358 Method for transmitting a stream of digital data and control messages associated to said stream to mobile equipments Oct. 2, 2012
8196194 Method and network for securely delivering streaming data Jun. 5, 2012
8160250 Monitoring usage of encrypted broadcast services Apr. 17, 2012
8140692 Flexibly configured presence server Mar. 20, 2012
8060938 Proprietary portable audio player system for protecting digital content copyrights Nov. 15, 2011
8045709 Digital broadcasting conditional access terminal and method Oct. 25, 2011
8037541 System, device and method for interoperability between different digital rights management systems Oct. 11, 2011
8005460 Group authentication method Aug. 23, 2011
8006087 Systems and methods for secure transaction management and electronic rights protection Aug. 23, 2011
7917946 Method and network for securely delivering streaming data Mar. 29, 2011
7912218 Method of broadcasting multimedia content via distribution network Mar. 22, 2011
7886318 Set top box with digital rights management for multiple devices and methods for use therewith Feb. 8, 2011
7864957 Methods and apparatus for secure distribution of program content Jan. 4, 2011
7839998 Transcoding CableCARD Nov. 23, 2010
7706534 Pay per minute for DVB-H services Apr. 27, 2010
7702903 License re-allocation system and method Apr. 20, 2010
7644283 Media analysis method and system for locating and reporting the presence of steganographic activity Jan. 5, 2010
7631361 Content reproduction system Dec. 8, 2009
7570763 Method for subscribing service and distributing encryption key based on public-key encryption algorithm in digital CATV system Aug. 4, 2009
7555126 Game apparatus managing system, game apparatus, controlling method, computer program and recording medium Jun. 30, 2009
7551736 Physical layer header scrambling in satellite broadcast systems Jun. 23, 2009
7536713 Knowledge broadcasting and classification system May. 19, 2009
7502473 Process for managing the handling of conditional access data by at least two decoders Mar. 10, 2009
7464398 Queuing methods for mitigation of packet spoofing Dec. 9, 2008
7464400 Distributed environment controlled access facility Dec. 9, 2008
7424739 On-machine communication verification Sep. 9, 2008
7380132 Data recording method and apparatus, data record medium and data reproducing method and apparatus May. 27, 2008
7363504 Method and system for keystroke scan recognition biometrics on a smartcard Apr. 22, 2008
7346163 Dynamic composition of pre-encrypted video on demand content Mar. 18, 2008
7346779 System and method for authenticating electronic documents Mar. 18, 2008
7330884 Internet strawman and user interface therefor Feb. 12, 2008
7305366 Content revocation and license modification in a digital rights management (DRM) system on a computing device Dec. 4, 2007
7299504 System and method for implementing security management using a database-modeled security policy Nov. 20, 2007
7295994 Information distribution system, terminal apparatus, information center, recording medium, and information distribution method Nov. 13, 2007
7209893 Method of and a system for distributing electronic content Apr. 24, 2007
7187919 Backup method of applications of portable cellular phone Mar. 6, 2007
7131133 Access control method and information utilization apparatus Oct. 31, 2006
7110543 Content management system, content management terminal, usage rule management server, content management method, and content management program Sep. 19, 2006
7110985 Content revocation and license modification in a digital rights management (DRM) system on a computing device Sep. 19, 2006
7095854 Systems and methods for secure transaction management and electronic rights protection Aug. 22, 2006
7092930 Architecture and method to secure database records from tampering in devices such as postage value dispensing mechanisms Aug. 15, 2006

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