| Patents for G09C 1 - Apparatus or methods whereby a given sequence of signs, e.g. an intelligible text, is transformed into an unintelligible sequence of signs by transposing the signs or groups of signs or by replacing them by others according to a predetermined system (12,544) |
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| 01/18/2006 | CN1721917A Phase modulation polarization state quantum code device and decode device and application thereof |
| 01/18/2006 | CN1721053A Talcum powder grading compression and dry powder palletizing process |
| 01/18/2006 | CN1237483C Electronic trading server, seller client, buyer client, and electronic trading method |
| 01/17/2006 | US6987862 Video steganography |
| 01/12/2006 | US20060010190 Modular arithmetic apparatus and method selecting a base in the residue number system |
| 01/12/2006 | US20060008309 Authentic document and method of making |
| 01/12/2006 | US20060008115 Authentic document and method of making |
| 01/12/2006 | US20060008086 Image encryption method and visual decryption device |
| 01/12/2006 | US20060007225 Display apparatus and control method thereof |
| 01/12/2006 | DE102004028913A1 Coded storage of identification codes for use with such as credit cards has a marking strip used with numbered wheel elements |
| 01/11/2006 | EP1615217A1 Digital data storage/reproduction method and device |
| 01/11/2006 | EP1216459B1 Portable terminal |
| 01/11/2006 | CN1720578A System, method and device for playing back recorded audio, video or other content from non-volatile memory cards, compact disks or other media |
| 01/11/2006 | CN1236582C pseudo-random sequence generator and associated method |
| 01/10/2006 | US6986054 Attack-resistant implementation method |
| 01/10/2006 | US6986046 Method and apparatus for managing secure collaborative transactions |
| 01/10/2006 | US6986044 Method for group unit encryption/decryption, and method and apparatus for writing signature |
| 01/10/2006 | US6986043 Encrypting file system and method |
| 01/10/2006 | US6985917 Configurable calculating unit |
| 01/10/2006 | US6985583 System and method for authentication seed distribution |
| 01/10/2006 | US6985582 Encryption/decryption unit and storage medium |
| 01/10/2006 | US6985092 Robust system for transmitting and receiving map data |
| 01/10/2006 | CA2236544C Cryptographic methods for demonstrating satisfiable formulas from propositional logic |
| 01/05/2006 | WO2006001626A1 Display apparatus and control method thereof |
| 01/05/2006 | US20060005260 Microprocessor |
| 01/05/2006 | US20060005259 Information-processing device, information-processing method, and information-processing program product |
| 01/05/2006 | US20060004665 System for controlling the distribution and use of digital works |
| 01/05/2006 | US20060002478 Coding image signal |
| 01/04/2006 | EP1612993A1 Method and arrangement for changing the operation mode of an agent of a management network |
| 01/04/2006 | EP1612745A1 Data storing system, issuing apparatus, data providing apparatus and computer readable medium storing data storing program |
| 01/04/2006 | EP1192752B1 Modulated message authentication system and method |
| 01/04/2006 | CN1717059A Device and method for synchronization of compressed video signal receiving system |
| 01/04/2006 | CN1717057A Coding image signal |
| 01/04/2006 | CN1716962A Information-processing device and information-processing method |
| 01/04/2006 | CN1716845A Derived contents creation apparatus and method, using apparatus and method, and verification method |
| 01/04/2006 | CN1716836A Read enable generator, read enable signal generating method and data transmission method |
| 01/04/2006 | CN1716218A Information processing apparatus, authentication processing method, and computer program |
| 01/04/2006 | CN1235408C Generating and matching hashes of multimedia content |
| 01/04/2006 | CN1235381C Secure file transfer method and system |
| 01/04/2006 | CN1235154C Reality output method, its application device |
| 01/03/2006 | US6983373 Information processing apparatus, information processing system, information processing method, and storage medium therefor |
| 01/03/2006 | US6983369 Authentication system, and contents-information sender and receiver |
| 01/03/2006 | US6983367 Information providing apparatus and method, information processing apparatus and method, and program storage medium |
| 01/03/2006 | US6983262 Server having an automatic management mechanism |
| 01/03/2006 | US6983051 Methods for audio watermarking and decoding |
| 01/03/2006 | US6983048 Multi-section decoding lens |
| 12/29/2005 | US20050289432 Read enable generator for a turbo decoder deinterleaved symbol memory |
| 12/29/2005 | US20050289246 Interpreting I/O operation requests from pageable guests without host intervention |
| 12/29/2005 | US20050286720 Encrypting/decrypting device and method, encrypting device and method, decrypting device and method, and transmitting/receiving device |
| 12/29/2005 | DE10008974B4 Signaturverfahren Signature schemes |
| 12/28/2005 | EP1610550A1 Moving picture processing device, information processing device, and program thereof |
| 12/28/2005 | EP1610549A1 Moving picture processing device, information processing device, and program thereof |
| 12/28/2005 | EP1493079B1 Configurable arithmetic unit |
| 12/28/2005 | CN1714377A Pseudo-random number generation method and pseudo-random number generator |
| 12/28/2005 | CN1713615A System and method for realizing common use of timer function |
| 12/28/2005 | CN1234245C Counterfeit STB prevention through protocol switching |
| 12/27/2005 | US6981153 Programmable logic device with method of preventing readback |
| 12/27/2005 | US6980796 Method and system for verifying the authenticity of a first communication participants in a communications network |
| 12/22/2005 | WO2005121980A1 Information acquisition device, information acquisition method, and information acquisition program |
| 12/22/2005 | US20050283612 Methods and apparatus for input of coded image data |
| 12/22/2005 | US20050281406 Method and device to guarantee the integrity and authenticity of a set of data |
| 12/22/2005 | US20050281285 Mobile IP communication scheme for supporting mobile computer move over different address spaces |
| 12/21/2005 | EP1608167A1 Moving picture processing device, information processing device, and program thereof |
| 12/21/2005 | EP1607825A2 Digital content management system and apparatus |
| 12/21/2005 | EP1606914A1 Secure object for convenient identification |
| 12/21/2005 | EP1388055A4 Method and system for conditional installation and execution of services in a secure computing environment |
| 12/21/2005 | CN1233169C Transmitting prerecorded data limited right and method for reproducing said data |
| 12/20/2005 | US6978382 Method and an apparatus for granting use of a session of a packet data transmission standard designated by an identifier |
| 12/20/2005 | US6978373 Methods systems and computer program products for providing secure client profile completion by network intermediaries |
| 12/15/2005 | US20050278524 Local digital network, methods for installing new devices and data broadcast and reception methods in such a network |
| 12/15/2005 | US20050278402 Random number generating method and random number generating apparatus |
| 12/15/2005 | US20050277403 Method for transmitting encrypted user data objects |
| 12/15/2005 | DE10024325B4 Kryptographisches Verfahren und kryptographische Vorrichtung Cryptographic method and cryptographic device |
| 12/14/2005 | EP1605627A1 Connection authentication in wireless communication network system |
| 12/14/2005 | EP1605459A2 A transmission apparatus that transmits a digital work via a network |
| 12/14/2005 | EP1605331A2 Contents creation method and apparatus |
| 12/14/2005 | CN1708943A Data processing device and data reception processing device |
| 12/14/2005 | CN1708178A A self-synchronizing authentication and key agreement protocol |
| 12/14/2005 | CN1708000A Information processing apparatus, information processing method, and program therefor |
| 12/14/2005 | CN1707993A Universal microphone for secure radio communication |
| 12/14/2005 | CN1707446A Nonvolatile memory apparatus |
| 12/14/2005 | CN1231874C Monitoring system and method for breaking traffic rules and regulations based on multimedia information transferring service |
| 12/14/2005 | CN1231848C Data transfer method |
| 12/13/2005 | US6975760 Shared image generation apparatus and method, computer program, and computer readable storage medium |
| 12/13/2005 | US6975730 Method and apparatus for contents information |
| 12/08/2005 | US20050273864 Original contents creation apparatus, derived contents creation apparatus, derived contents using apparatus, original contents creation method, derived contents creation method, and derived contents using method and verification method |
| 12/08/2005 | US20050273616 Information processing apparatus, information processing method, and program therefor |
| 12/08/2005 | US20050273612 Identification of digital data sequences |
| 12/08/2005 | US20050273611 False alteration prevention signature method |
| 12/08/2005 | US20050273610 Information processing apparatus |
| 12/08/2005 | US20050273432 System for controlling the distribution and use of digital works |
| 12/08/2005 | US20050272406 Self-synchronizing authentication and key agreement protocol |
| 12/08/2005 | US20050271203 Encryption apparatus, decryption apparatus, key generation apparatus, program, and method |
| 12/07/2005 | EP1603361A1 A self-synchronizing authentication and key agreement protocol |
| 12/07/2005 | EP1603047A1 Information processing device, information processing method, and computer program |
| 12/07/2005 | EP1412926B8 Method for managing purchase of broadcast digital contents and means for downloading same |
| 12/07/2005 | EP1358733B1 Secure method for secret key cryptographic calculation and component using said method |
| 12/07/2005 | CN1706207A Method and system for re-authentication in IP multimedia core network system (IMS) |
| 12/07/2005 | CN1704990A Information embedding device, information detecting device, information embedding and detecting system, information embedding method, information detecting method, information embedding program, infor |
| 12/07/2005 | CN1231061C Broadcast and reception system, and conditional access system therefor |