| Patents for H04K 1 - Secret communication (16,771) |
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| 11/20/2008 | DE102004016580B4 Verfahren zur Übertragung von Daten in einem Ad Hoc Netzwerk oder einem Sensornetzwerk Method for transmitting data in an ad hoc network or a sensor network |
| 11/19/2008 | EP1754332A4 Method and system to generate an image for monitoring user interaction with a computer |
| 11/19/2008 | CN101310264A Systems and methods for monitoring and controlling communication traffic |
| 11/19/2008 | CN100435581C Conditional-access terminal device and method |
| 11/19/2008 | CN100435505C Data converter and data converting method |
| 11/18/2008 | US7454794 Access control method |
| 11/18/2008 | US7454785 Proxy method and system for secure wireless administration of managed entities |
| 11/18/2008 | US7454628 Method and apparatus for transmitting content data and recording and/or reproducing apparatus |
| 11/18/2008 | US7454624 Match template protection within biometric security systems |
| 11/18/2008 | US7454623 Distributed hierarchical identity management system authentication mechanisms |
| 11/18/2008 | US7454618 System and methods for transmitting encrypted data with encryption key |
| 11/18/2008 | US7454033 Quantization-based data hiding employing calibration and locally adaptive quantization |
| 11/18/2008 | US7454020 System and method for encrypting data in pictorial data |
| 11/18/2008 | US7454018 Transfer of DVD decode key on a window by window basis to an attached device |
| 11/18/2008 | US7454016 Data encryption system and method |
| 11/18/2008 | US7453962 Adaptive frequency control apparatus and method thereof |
| 11/18/2008 | US7453957 Method and apparatus for transmitting high speed data by spectral decomposition of the signaling space |
| 11/18/2008 | US7453945 Methods and devices for controlling RF, multi-carrier amplifier signal power |
| 11/13/2008 | WO2008137088A1 Evergreen contract billing & in life contract management system and method |
| 11/13/2008 | WO2007143397A3 Pin creation system and method |
| 11/13/2008 | WO2005116979A3 System and method for enforcing privacy in social networks |
| 11/13/2008 | US20080282096 System and method for order-preserving encryption for numeric data |
| 11/13/2008 | US20080282090 Virtual Property System for Globally-Significant Objects |
| 11/13/2008 | US20080281760 Service Negotiation |
| 11/13/2008 | US20080280626 Method for Providing Location-Based Service Using Location Token |
| 11/13/2008 | US20080279376 System, method, and service for performing unified broadcast encryption and traitor tracing for digital content |
| 11/13/2008 | US20080279158 Communication device, method for establishing a communication connection and method for using a communication connection |
| 11/13/2008 | DE102007021547A1 Method for optical coding of analog optical signal, involves modulating analog optical signal by change of signal parameter as function of secret modulation key function |
| 11/12/2008 | CN101304555A Method and apparatus for ciphering called empty interval voice of beep-page between systems |
| 11/12/2008 | CN101304421A Content sending apparatus, content receiving apparatus and content transmitting method |
| 11/12/2008 | CN100432889C System and method providing disconnected authentication |
| 11/12/2008 | CN100432642C Pure digital controlled single photon detector in high integrity |
| 11/11/2008 | US7451476 Method and apparatus for interfacing a network to an external element |
| 11/11/2008 | US7451326 Method and apparatus for processing arbitrary key bit length encryption operations with similar efficiencies |
| 11/11/2008 | US7451319 System and method of watermarking a signal |
| 11/11/2008 | US7451318 System and method of watermarking a signal |
| 11/11/2008 | US7451301 OS independent device management methods and apparatuses having a map providing codes for various activations of keys |
| 11/11/2008 | US7451202 Information management system having a common management server for establishing secure communication among groups formed out of a plurality of terminals |
| 11/11/2008 | US7451108 Method and system for measuring trade management performance |
| 11/11/2008 | US7450928 Methods for providing overdraft protection for post-paid communication service plans |
| 11/11/2008 | US7450854 High-speed wireless LAN system |
| 11/11/2008 | US7450734 Digital asset management, targeted searching and desktop searching using digital watermarks |
| 11/11/2008 | US7450722 Subset difference method for multi-cast rekeying |
| 11/11/2008 | US7450720 Linear transformation for symmetric-key ciphers |
| 11/11/2008 | US7450719 Gigabit Ethernet-based passive optical network and data encryption method |
| 11/11/2008 | US7450654 Method and apparatus for multicarrier channel estimation and synchronization using pilot sequences |
| 11/11/2008 | US7450653 Digital broadcast signal receiving apparatus and method |
| 11/11/2008 | US7450652 Apparatus and method for receiving signals in an OFDM communication system |
| 11/11/2008 | US7450651 Multi-carrier transmission system |
| 11/11/2008 | US7450637 Ultra-wideband communication apparatus and methods |
| 11/11/2008 | US7450630 Mobile radio telephone receiver |
| 11/11/2008 | US7450490 Channel estimation using the guard interval of a multicarrier signal |
| 11/06/2008 | WO2008134737A1 Construction payment management systems and methods with specified billing features |
| 11/06/2008 | WO2008111929A3 Wiki groups of an online community |
| 11/06/2008 | WO2008094328A3 Signature based negative list for off line payment device validation |
| 11/06/2008 | WO2008089338A3 Method, system and article for dynamic authorization of access to licensed content |
| 11/06/2008 | WO2008089263A3 System and method for electronic payment processing |
| 11/06/2008 | WO2008046012A3 Method and system for processing micropayment transactions |
| 11/06/2008 | WO2008045880A3 Content interactivity gateway |
| 11/06/2008 | WO2008033551A3 Payment transactions via substantially instant communication system |
| 11/06/2008 | WO2008021887A3 Transaction security system having user defined security parameters |
| 11/06/2008 | WO2008017068A3 Global telecommunications network proactive repository, with communication network overload management |
| 11/06/2008 | WO2008008619A3 Web based valuation game |
| 11/06/2008 | WO2007109297A3 Online valuation and trading of digital media |
| 11/06/2008 | WO2007070605A3 Method and system for synchronizing a receiver in an ofdm system |
| 11/06/2008 | US20080276097 Alternate to email for messages of general interest |
| 11/06/2008 | US20080273696 Use of Indirect Data Keys for Encrypted Tape Cartridges |
| 11/06/2008 | US20080273616 Base station transmitter for use with an ofdm communications system, a method of dynamically allocating ofdm symbols for pdcch in the system and a user equipment receiver for use with the system |
| 11/06/2008 | US20080273610 Method and apparatus for random access in an orthogonal multiple-access communication system |
| 11/06/2008 | US20080272934 Systems and Methods for Modifying Power Usage |
| 11/06/2008 | CA2685702A1 Construction payment management systems and methods with specified billing features |
| 11/05/2008 | EP1987617A2 Pilot signal transmission method and apparatus |
| 11/05/2008 | EP1987616A2 Systems and methods for transmitting quantum and classical signals over an optical network |
| 11/05/2008 | CN101300767A Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system |
| 11/05/2008 | CN100431292C Encrypting, decoding, and wireless communication device |
| 11/04/2008 | US7448069 Access-request control method, driver program for communication device, and communication device |
| 11/04/2008 | US7447915 Map data processing method, map data processing device, storage medium, and on-board map data processing device |
| 11/04/2008 | US7447911 Electronic identification key with portable application programs and identified by biometrics authentication |
| 11/04/2008 | US7447910 Method, arrangement and secure medium for authentication of a user |
| 11/04/2008 | US7447662 Transaction processing system |
| 11/04/2008 | US7447386 Cascaded modulator system and method for QKD |
| 11/04/2008 | US7447314 Information processing method, information processing apparatus, program, and storage medium |
| 11/04/2008 | US7447311 Method of designing optimum encryption function and optimized encryption apparatus in a mobile communication system |
| 11/04/2008 | US7447310 Lean multiplication of multi-precision numbers over GF(2m) |
| 11/01/2008 | WO2007123513A1 Information management system and method |
| 11/01/2008 | CA2647250A1 Information management system and method |
| 10/30/2008 | WO2008131435A1 Apparatuses, methods and systems for a trade business card |
| 10/30/2008 | WO2008131434A1 Data conversion system and method |
| 10/30/2008 | WO2008131428A1 Digital exchange system and method |
| 10/30/2008 | WO2008131028A2 Enterprise integrated business proces schema |
| 10/30/2008 | WO2008089090A3 Generation systems and methods for transaction identifiers having biometric keys associated therewith |
| 10/30/2008 | WO2007146751A3 Transaction instruments with enhanced security pin and expiration date generation |
| 10/30/2008 | WO2007143178A3 Biometric and demographic data transfer and management system and apparatus |
| 10/30/2008 | WO2007098259A3 System, method and apparatus for enabling transactions using a user enabled programmable magnetic stripe |
| 10/30/2008 | WO2005074597A3 System and method for protecting digital works using a watermark gateway |
| 10/30/2008 | US20080271112 Automatic file transfer |
| 10/30/2008 | US20080270802 Method and system for protecting personally identifiable information |
| 10/30/2008 | US20080267302 Method and System for Data-Driven, Variable-Rate, Channel Quality Indicator for LTE Non-Real-Time Bursty Traffic |
| 10/29/2008 | EP1886429A4 An efficient interleaver/de-interleaver design for the turbo decoder in a 3g wcdma system |
| 10/29/2008 | EP1618692A4 Ciphering between a cdma network and a gsm network |