| 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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| 12/26/2006 | US7155000 Process, arrangement, devices for seizure of a shared telephone line |
| 12/26/2006 | US7154873 Radio communication system and method having a radio link control layer |
| 12/21/2006 | US20060288277 Communication apparatus and display method |
| 12/21/2006 | US20060288210 System of personal data spaces and a method of governing access to personal data spaces |
| 12/20/2006 | EP1734493A1 Padding application method guaranteeing safety of encryption method |
| 12/20/2006 | EP0795241B1 Public key cryptography process based on the discrete logarithm |
| 12/20/2006 | CN1883155A Randomized modular reduction method and hardware therefor |
| 12/20/2006 | CN1882180A Method for calling user terminal of IP multimedia subsystem |
| 12/20/2006 | CN1882116A Mobile switching centre built in video gateway and method for realizing multimedia interconnection |
| 12/20/2006 | CN1881953A Method and apparatus for transmitting message |
| 12/20/2006 | CN1881880A Authentification of data in a digital transmission system |
| 12/20/2006 | CN1881385A Text encryption system and method |
| 12/20/2006 | CN1881384A Text encryption system and method |
| 12/20/2006 | CN1881383A Text encryption system and method |
| 12/20/2006 | CN1881382A Text encryption system and method |
| 12/20/2006 | CN1881229A Anti-counterfeit method and apparatus based on CPK electronic label |
| 12/19/2006 | US7152243 Providing a secure hardware identifier (HWID) for use in connection with digital rights management (DRM) system |
| 12/19/2006 | US7152158 Public key certificate issuing system, public key certificate issuing method, information processing apparatus, information recording medium, and program storage medium |
| 12/19/2006 | US7152067 Secure multi database system including a plurality of database devices |
| 12/19/2006 | US7152047 System and method for production and authentication of original documents |
| 12/19/2006 | US7151829 System and method for implementing a hash algorithm |
| 12/19/2006 | US7151665 Host instrument, package to be inserted into same, external storage medium to be used therefor, and method for authenticating package to be inserted into host instrument |
| 12/14/2006 | WO2006132362A1 Settlement system using card settlement terminal |
| 12/14/2006 | WO2006132175A1 Web page real/fake confirming device, web page real/fake confirming method, and its program |
| 12/14/2006 | US20060279663 Arrangement for and method of projecting a level image |
| 12/14/2006 | US20060279627 Imaging system and system control method |
| 12/13/2006 | EP1732052A1 Computer system, computer program, and addition method |
| 12/13/2006 | EP1732005A1 Access control method, access control system, meta data controller, and transmission system device |
| 12/13/2006 | EP0920753B1 Public key cryptosystem method and apparatus |
| 12/13/2006 | CN1879344A A portable electronic device for verifying an input test sequence of characters against a predetermined sequence of characters |
| 12/13/2006 | CN1879138A Encryption device, encryption method, and computer program |
| 12/13/2006 | CN1879080A Random number generating method and device |
| 12/13/2006 | CN1878386A Cell recognition method for OFDMA cellular system |
| 12/13/2006 | CN1878163A Multi-service transmission platform equipment managing system |
| 12/13/2006 | CN1878085A State detection method based on main and backup Ethernet interface |
| 12/13/2006 | CN1878057A Composition of encrypted two dimensional bar codes and application method therefor |
| 12/13/2006 | CN1290291C System and method for electronic transmission, storage and retrieval of authenticated decouments |
| 12/13/2006 | CN1290069C Block encoding/decoding method and device |
| 12/12/2006 | US7149894 Public-key certificate issuance request processing system and public-key certificate issuance request processing method |
| 12/12/2006 | US7147150 Personal identification terminal and method having selectable identification means or identification levels |
| 12/07/2006 | US20060277122 Cryptographic methods, apparatus and systems for storage media electronic rights management in closed and connected appliances |
| 12/07/2006 | US20060276209 Location-independent packet routing and secure access in a short-range wireless networking environment |
| 12/06/2006 | EP1046169B1 System and method for copy protection for digital signals |
| 12/06/2006 | CN1874319A Admission control system and admission control method in load supporting interface of communication network |
| 12/06/2006 | CN1874238A Farend access communication system, and control method |
| 12/06/2006 | CN1288569C 内容分布系统 Content Distribution System |
| 12/06/2006 | CN1288564C Data storage device and data storage method, data processing device and data processing method |
| 12/05/2006 | US7146339 Multiplexing user information to an output image |
| 11/30/2006 | WO2006126686A1 Data processing device |
| 11/30/2006 | WO2006126668A1 Pseudo-random function calculating device and method, and number limited anonymous authentication system and method |
| 11/30/2006 | WO2006126530A1 Multi-media data recording/reproducing device and method, program, and recording medium |
| 11/30/2006 | US20060271794 Data providing system and apparatus and methods of same |
| 11/30/2006 | US20060271793 Reliable generation of a device-specific value |
| 11/30/2006 | US20060271792 Data protection and cryptographic functions using a device-specific value |
| 11/30/2006 | US20060271484 System for controlling the distribution and use of digital works using digital tickets |
| 11/30/2006 | US20060269054 Extending the range of computational fields of intergers |
| 11/30/2006 | US20060269012 Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data |
| 11/30/2006 | CA2609166A1 Pseudo-random function calculating device and method and number-limited anonymous authentication system and method |
| 11/29/2006 | EP1512252B1 Network security |
| 11/29/2006 | EP1281118B1 Method and apparatus for performing computations using residue arithmetic |
| 11/29/2006 | CN1870684A Communication system for implementing real-time monitoring warning and its method |
| 11/29/2006 | CN1870598A Loading balance method based on data flow in large scale paralle processing of mass data |
| 11/29/2006 | CN1870585A Method for implementing communication of IPv6 mobile node and IPv4 communication buddy |
| 11/29/2006 | CN1870076A File security method |
| 11/29/2006 | CN1869997A Systems and methods for secure transaction management and electronic rights protection |
| 11/29/2006 | CN1287381C Duplicating protective system and method for digital signal |
| 11/29/2006 | CN1287305C 网络系统 Network Systems |
| 11/29/2006 | CN1287266C Random number generator and method for generating a random number |
| 11/28/2006 | US7143438 Methods and apparatus for a computer network firewall with multiple domain support |
| 11/28/2006 | US7143296 Transmitting/receiving apparatus and a transmitting/receiving method |
| 11/28/2006 | US7143284 ABDS method and verification status for authenticating entity access |
| 11/28/2006 | US7143067 System and method for installing personal computer software |
| 11/28/2006 | US7142673 Method for the cryptographic conversion of L-bit input blocks of digital data into L-bit output blocks |
| 11/28/2006 | US7142668 Apparatus and method for generating expression data for finite field operation |
| 11/23/2006 | WO2006122501A1 Method and device for shaping the service flow transmitted in network |
| 11/23/2006 | WO2006122487A1 A method for changing qos in i-wlan and the system thereof |
| 11/22/2006 | EP1725010A2 Imaging system and system control method |
| 11/22/2006 | EP1512101A4 Methods and apparatus for a title transaction network |
| 11/22/2006 | EP1348152B1 Method and apparatus for managing secure collaborative transactions |
| 11/22/2006 | CN1866905A Method and apparatus for shaping transmission service stream in network |
| 11/22/2006 | CN1866869A Service network tracking system and method |
| 11/22/2006 | CN1286077C Data encipher and decipher system based on dynamic variable-length code |
| 11/22/2006 | CN1286019C 多核心多线程处理器 Multi-core multi-threaded processor |
| 11/21/2006 | US7140034 Peripheral for portable viewing apparatus and broadcasting viewing system |
| 11/21/2006 | US7139550 Method and system for verifying the authenticity of a first communication participants in a communications network |
| 11/16/2006 | WO2006121149A1 Pseudo random number generation system, encryption system, and decryption system |
| 11/16/2006 | WO2006120921A1 Recording medium, authoring device, and authoring method |
| 11/16/2006 | US20060259771 Authentication of data transmitted in a digital transmission system |
| 11/16/2006 | US20060259610 System and Method for Distributed Management of Shared Computers |
| 11/16/2006 | US20060259609 System and Method for Distributed Management of Shared Computers |
| 11/16/2006 | US20060259441 Method and system for commerce with full anonymity |
| 11/16/2006 | US20060259437 Methods and apparatus for the interoperability and manipulation of data in a computer network |
| 11/16/2006 | US20060259432 Information processing apparatus, information processing method, and providing medium |
| 11/16/2006 | US20060259430 Electronic value exchange method, user device, and third-party device |
| 11/16/2006 | US20060256967 Authentication of data transmitted in a digital transmission system |
| 11/16/2006 | US20060256961 System and method for authentication seed distribution |
| 11/15/2006 | EP1389376A4 Methods and apparatus for efficient computation of one-way chains in cryptographic applications |
| 11/15/2006 | EP0974229B1 Broadcast and reception system, and conditional access system therefor |
| 11/15/2006 | CN1863367A Multi-mode wireless network communication system |
| 11/15/2006 | CN1863164A Method for controlling reverse congestion of ABIS interface and transceiver base station |