| Patents for H04K 1 - Secret communication (16,771) |
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| 07/26/2006 | CN1809153A Video composition apparatus, video composition method and video composition program |
| 07/26/2006 | CN1266876C Data communication system, encryption device and deciphering device |
| 07/25/2006 | US7082540 System and method for tracking programmable devices that use intellectual property |
| 07/25/2006 | US7082535 System and method of controlling access by a wireless client to a network that utilizes a challenge/handshake authentication protocol |
| 07/25/2006 | US7082200 Establishing secure peer networking in trust webs on open networks using shared secret device key |
| 07/25/2006 | US7080804 Hot-start navigation information distribution system |
| 07/20/2006 | WO2006076696A2 System and method for verifying the age and identity of individuals and limiting their access to appropriate material and situations |
| 07/20/2006 | WO2006076648A2 Communication system overlap-and-add operation |
| 07/20/2006 | WO2006076536A2 Access control to files based on source information |
| 07/20/2006 | WO2006076157A2 Extremely fast data encryption, decryption and secure hash scheme |
| 07/20/2006 | WO2005022810A3 Subcarrier and bit allocation for real time services in multiuser orthogonal frequency division multiplex (ofdm) systems |
| 07/20/2006 | US20060161990 System and method for administering security in a corporate portal |
| 07/20/2006 | US20060161965 Method and system for separating rules of a security policy from detection criteria |
| 07/20/2006 | US20060161789 System, method and apparatus for enabling transactions using a user enabled programmable magnetic stripe |
| 07/20/2006 | US20060161788 Full color spectrum object authentication methods and systems |
| 07/20/2006 | US20060161787 Authentication key and apparatus, method, and computer program for authentication |
| 07/20/2006 | US20060161783 System and method for permission-based access using a shared account |
| 07/20/2006 | US20060159273 Unauthorized-alteration detecting method, unauthorized-alteration detecting program, and recording medium having recorded the program |
| 07/20/2006 | US20060159268 Method and system for device authentication in home network |
| 07/20/2006 | US20060159267 Device, method, and program for random number generation, encryption, and decryption recording medium |
| 07/20/2006 | US20060159263 Scrambled state display method of broadcasting signal |
| 07/20/2006 | US20060159257 Apparatus and method for detecting a potential attack on a cryptographic calculation |
| 07/20/2006 | US20060159190 System and method for expanding multi-speaker playback |
| 07/20/2006 | US20060159189 Methods and systems for performing an overlap-and-add operation |
| 07/20/2006 | US20060159188 Wireless communication apparatus and wireless communication method |
| 07/20/2006 | US20060159187 System and method for utilizing different known guard intervals in single/multiple carrier communication systems |
| 07/19/2006 | EP1388232B1 Encryption/decryption engine for multiple data streams |
| 07/19/2006 | EP0890262B1 Method and apparatus for in-camera encryption |
| 07/18/2006 | US7080405 Limiting device function |
| 07/18/2006 | US7080253 Audio fingerprinting |
| 07/18/2006 | US7080045 Electronic revenue stamp issuing apparatus and method thereof and recording medium stored control program thereof |
| 07/18/2006 | US7079656 Method and communications system for ciphering information for a radio transmission and for authenticating subscribers |
| 07/18/2006 | US7079655 Encryption algorithm management system |
| 07/18/2006 | US7079652 Login renewal based on device surroundings |
| 07/18/2006 | US7079651 Cryptographic method and apparatus for non-linearly merging a data block and a key |
| 07/18/2006 | US7079650 Computing method for elliptic curve cryptography |
| 07/18/2006 | US7079649 Copy protection of data |
| 07/18/2006 | US7079648 Tester of cryptographic service providers |
| 07/13/2006 | WO2006074153A2 Single-particle quantum-enhanced secret sharing |
| 07/13/2006 | WO2006074113A2 Time-domain equalizer for discrete multi-tone based dsl systems with cyclic extension in training |
| 07/13/2006 | WO2006073821A2 Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system |
| 07/13/2006 | WO2006029402A3 Method and apparatus for generating optical pulses for qkd |
| 07/13/2006 | WO2005125080A3 Embedding identification data into a work |
| 07/13/2006 | WO2005119570A3 Transaction authorization system and method |
| 07/13/2006 | WO2005065134A3 Mobile device and method for providing certificate based cryptography |
| 07/13/2006 | WO2005050827A3 Amplifier linearization using non-linear predistortion |
| 07/13/2006 | US20060156418 Method and apparatus for preventing unauthorized access to data |
| 07/13/2006 | US20060156412 System and Method for Protecting Data Streams in Hardware Components |
| 07/13/2006 | US20060156410 Optimized device for digital data communication in a microcircuit card |
| 07/13/2006 | US20060156033 Chip integrated protection means |
| 07/13/2006 | US20060156029 System and method for biometric verification in a delivery process |
| 07/13/2006 | US20060156028 Security management method, program, and information device |
| 07/13/2006 | US20060156027 Method of secure transmission |
| 07/13/2006 | US20060156026 Password encryption key |
| 07/13/2006 | US20060156024 Systems and methods for disk drive access under changes in environmental parameters |
| 07/13/2006 | US20060155989 Diligent control of preview of stored contents |
| 07/13/2006 | US20060155987 Method for processing information parts of recorded data |
| 07/13/2006 | US20060154624 Transmission device, transmission method , and storage medium |
| 07/13/2006 | US20060153385 Auto configuration of portable computers for use in wireless local area networks |
| 07/13/2006 | US20060153384 Extensible architecture for untrusted medium device configuration via trusted medium |
| 07/13/2006 | US20060153383 Method for securing the recording mode of a home automation device |
| 07/13/2006 | US20060153382 Extremely fast data encryption, decryption and secure hash scheme |
| 07/13/2006 | US20060153379 Partial encryption and PID mapping |
| 07/13/2006 | US20060153310 Time-domain equalizer for discrete multi-tone based DSL systems with cyclic extension in training |
| 07/13/2006 | US20060153309 Gradient based method and apparatus for OFDM sub-carrier power optimization |
| 07/13/2006 | US20060153147 Fast macrodiversity switching with timing management in wireless networks |
| 07/13/2006 | CA2596968A1 A system and method of processing entitlement rules, offering and delivering digital content |
| 07/12/2006 | EP1678855A2 Channel condition estimation for pilot coefficient selection |
| 07/12/2006 | EP1678749A1 Oxide-nitride stack gate dielectric and formation process |
| 07/12/2006 | CN2796275Y Strong relative generating device of multiple source signal |
| 07/12/2006 | CN1264296C Transmission method for encrypting voice data in CDMA system |
| 07/12/2006 | CN1264292C Audio Data transmitting method and audio data broadcast tranmitting system |
| 07/11/2006 | US7076664 User confirmation system and method |
| 07/11/2006 | US7076663 Integrated system security method |
| 07/11/2006 | US7076659 Enhanced method for digital data hiding |
| 07/11/2006 | US7076084 Methods and objects employing machine readable data |
| 07/11/2006 | US7076082 Media signal filtering for use in digital watermark reading |
| 07/11/2006 | US7076066 LapDesk |
| 07/11/2006 | US7076061 Efficient and compact subgroup trace representation (“XTR”) |
| 07/11/2006 | US7075999 Multicarrier modulation with data dependent frequency-domain redundancy |
| 07/11/2006 | US7075997 OFDM frame synchronization |
| 07/11/2006 | CA2288020C Enhanced reverse link power control in a wireless communication system |
| 07/06/2006 | US20060150257 Binding content to a portable storage device or the like in a digital rights management (DRM) system |
| 07/06/2006 | US20060150254 System and method for representing a secure time in a device based upon an insecure clock |
| 07/06/2006 | US20060149972 Method for realizing security storage and algorithm storage by means of semiconductor memory device |
| 07/06/2006 | US20060149971 Apparatus, method, and system to determine identity and location of a user with an acoustic signal generator coupled into a user-authenticating fingerprint sensor |
| 07/06/2006 | US20060149970 Authentication method and device |
| 07/06/2006 | US20060149678 System and Method for Protecting Data Streams in Hardware Components |
| 07/06/2006 | US20060149675 Card issuing system and card issuing method |
| 07/06/2006 | US20060149602 Methods and systems for online clinical trial screening |
| 07/06/2006 | US20060147043 Server, computer memory, and method to support security policy maintenance and distribution |
| 07/06/2006 | US20060146949 Multicarrier communication system and methods for communicating with subscriber stations of different bandwidth profiles |
| 07/06/2006 | US20060146948 Adaptive pilot allocation method and apparatus for use in a communication system |
| 07/06/2006 | US20060146947 Method and circuit for detecting guard intervals in OFDM communication systems |
| 07/06/2006 | US20060146946 Method of determining a metric for evaluating the transmission quality of a data frame transmitting by a communication system |
| 07/06/2006 | US20060146945 Method and system for channel equalization and crosstalk estimation in a multicarrier data transmission system |
| 07/06/2006 | US20060146944 System and method of processing frequency-diversity signals with reduced-sampling-rate receiver |
| 07/06/2006 | US20060146943 Apparatus and related methods to aid in system identification in a heterogeneous communication system environment |
| 07/06/2006 | US20060145812 Electronic security system for monitoring and recording activity and data relating to persons or cargo |
| 07/05/2006 | EP1485882B1 Dynamic security system |