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Class Information
Number: 380/228
Name: Cryptography > Video cryptography > Video electric signal modification (e.g., scrambling) > Record or coin controlled > Including key on record
Description: Subject matter wherein a portable carrier provides a signal f or encryption or decryption.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8681980 Recoverable digital content degradation Mar. 25, 2014
8625805 Digital security bubble Jan. 7, 2014
8611532 Managing media content decryption keys in encrypted media content distribution systems and methods Dec. 17, 2013
8599457 Image processing device, method, system and the associated program for generating a composite image Dec. 3, 2013
8600897 System and method for transacting access to media Dec. 3, 2013
8548167 System for traceable decryption of bandwidth-efficient broadcast of encrypted messages and security module revocation method used for securing broadcasted messages Oct. 1, 2013
8527426 Using smartcards to enable probabilistic transactions on an untrusted device Sep. 3, 2013
8526614 Method to manage members of at least one group of decoders having access to broadcast data Sep. 3, 2013
8520850 Downloadable security and protection methods and apparatus Aug. 27, 2013
8510568 Method and apparatus for importing a transport stream Aug. 13, 2013
8494964 Software as a service via virtualization Jul. 23, 2013
8483393 Key management system for digital cinema Jul. 9, 2013
8478981 Method of adding a postscript message to an email Jul. 2, 2013
8464062 Systems, devices, and methods for securely transmitting a security parameter to a computing device Jun. 11, 2013
8412644 Method and apparatus for establishing usage rights for digital content to be created in the future Apr. 2, 2013
8406426 Method and apparatus for storing and retrieving encrypted programming content such that it is accessible to authorized users from multiple set top boxes Mar. 26, 2013
8401190 Portable security module pairing Mar. 19, 2013
8385546 System and method for storing and accessing digital media content using smart card technology Feb. 26, 2013
8374966 In memory streaming with disk backup and recovery of messages captured from a database redo stream Feb. 12, 2013
8370261 System and a method for access management and billing Feb. 5, 2013
8370499 Self-service terminal Feb. 5, 2013
8345869 Method and apparatus for file sharing of missing content between a group of user devices in a peer-to-peer network Jan. 1, 2013
8339678 Apparatus, system, and method of process control based on the determination of embedded information Dec. 25, 2012
8326774 Systems and methods to distribute content over a network Dec. 4, 2012
8311516 System for maintaining the broadcasting information in USIM unlock environment and method thereof Nov. 13, 2012
8301697 Adaptive streaming of conference media and data Oct. 30, 2012
8281135 Enforcing use of chipset key management services for encrypted storage devices Oct. 2, 2012
8281358 Method for transmitting a stream of digital data and control messages associated to said stream to mobile equipments Oct. 2, 2012
8261097 Data recorder having data encryption function and data reproducing device Sep. 4, 2012
8259940 Method for broadcasting digital data to a targeted set of reception terminals Sep. 4, 2012
8250376 Method and apparatus for cryptographic conversion in a data storage system Aug. 21, 2012
8250665 Digital Broadcasting system and method of processing data in digital broadcasting system Aug. 21, 2012
8243925 Method and apparatus for supporting multiple broadcasters independently using a single conditional access system Aug. 14, 2012
8243927 Digital video receiver, ECM extract equipment, EMM extract equipment, scramble key extract equipment, CCI extract equipment, digital video receiving system, ECM extract method, EMM extract met Aug. 14, 2012
8234217 Method and system for selectively providing access to content Jul. 31, 2012
8213050 Image processing device, method, system and the associated program for generating a composite image Jul. 3, 2012
8208630 Encryption and utilization of hard drive content Jun. 26, 2012
8209259 Software business platform with networked, association-based business entity access management Jun. 26, 2012
8209261 Method and apparatus for connecting a network of electronic signs Jun. 26, 2012
8180711 Intellectual property trading exchange May. 15, 2012
8175976 Method for providing and obtaining content May. 8, 2012
8171292 Systems, devices, and methods for securely transmitting a security parameter to a computing device May. 1, 2012
8165293 Method and system providing scrambled content Apr. 24, 2012
8155309 Circuit arrangement with non-volatile memory module and method for en-/decrypting data in the non-volatile memory module Apr. 10, 2012
8144368 Automated methods for distinguishing copies from original printed objects Mar. 27, 2012
8139768 Encrypting content in a tuner device and analyzing content protection policy Mar. 20, 2012
8135646 Content transmission apparatus Mar. 13, 2012
8130963 Method and apparatus for secure key delivery for decrypting bulk digital content files at an unsecure site Mar. 6, 2012
8131644 Formular update Mar. 6, 2012
8131645 System and method for processing media gifts Mar. 6, 2012

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