H04K 1 - Secret communication

Patents for H04K 1 - Secret communication (16,771)
11/2009
11/17/2009	US7620113 Selectively changing demodulation modes depending on quality of received signal or a control signal
11/17/2009	US7620111 Symbol interleaving
11/17/2009	US7619963 OFDM signal frame generator, transmitter, signal transmission system and OFDM signal frame generating method
11/17/2009	US7618317 Method for developing gaming programs compatible with a computerized gaming operating system and apparatus
11/17/2009	CA2441392C Encrypting apparatus
11/12/2009	WO2009136786A1 A method of covertly transmitting information, a method of recapturing covertly transmitted information, a sonar transmitting unit, a sonar receiving unit and a computer program product for covertly transmitting information and a computer program product for recapturing covertly transmitted information
11/12/2009	US20090282246 Method and system for continuously transmitting encrypted data of a broadcast service to a mobile terminal
11/12/2009	US20090281951 Payment Processing Platform
11/12/2009	US20090281857 Systems and methods for integrated global shipping and visibility
11/12/2009	US20090280760 Radio communication apparatus and radio communication method
11/12/2009	US20090279701 Controlling access nodes with network transport devices within wireless mobile networks
11/12/2009	US20090279700 Information-theoretically secure secrecy generation
11/12/2009	US20090279638 Communication network system, and transmission/reception apparatus, method and integrated circuit for use therein
11/12/2009	US20090279625 Legacy-compliant burst formats for multiple users reusing one slot (muros) operation
11/12/2009	US20090279624 Method and apparatus for spatial mapping matrix searching
11/12/2009	US20090279622 Unknown
11/12/2009	US20090279621 Signal converter and multimedia system using the same
11/12/2009	US20090279490 Terrestrial based high speed data communications mesh network
11/11/2009	EP2117140A1 A method of covertly transmitting information, a method of recapturing covertly transmitted information, a sonar transmitting unit, a sonar receiving unit and a computer program product for covertly transmitting information and a computer program product for recapturing covertly transmitted information
11/11/2009	EP2115919A2 Methods and systems for delivering sponsored out-of-band passwords
11/11/2009	CN101577619A Real-time speech secret communication system based on information hiding
11/11/2009	CN101577605A Speech LPC hiding and extraction algorithm based on filter similarity
11/11/2009	CN100559746C Transmitting device and receiving device
11/11/2009	CN100559720C Digital predistortion system and method for linearizing an RF power amplifier with nonlinear gain characteristics and memory effects
11/10/2009	US7617527 Architecture for virtual private networks
11/10/2009	US7617522 Authentication and authorization across autonomous network systems
11/10/2009	US7617390 Server authentication in non-secure channel card pin reset methods and computer implemented processes
11/10/2009	US7616765 Method and system for generating shared information
11/10/2009	US7616695 MIMO equalizer design: an algorithmic perspective
11/10/2009	US7616680 Method for processing data in a spread spectrum system
11/05/2009	US20090276677 Radio Communications Device And Reception Method
11/05/2009	US20090276629 Method for deriving traffic encryption key
11/05/2009	US20090276626 Portable smart card reader having secure wireless communications capability
11/05/2009	US20090274303 Token provisioning
11/05/2009	US20090274302 Method for deriving traffic encryption key
11/05/2009	US20090274301 Validation of stored or incoming messages
11/05/2009	US20090274232 Reverse link power control in an orthogonal system
11/05/2009	US20090274231 Base station, subordinated station and transmission method thereof
11/05/2009	US20090274229 Wireless communication apparatus, wireless communication method, computer program, and wireless communication system
11/05/2009	US20090274227 Apparatuses and methods for transmission and reception in a codebook based closed-loop (cl)-multiple input multiple output (mimo) system
11/05/2009	US20090274039 Wireless communication device adopting ofdm modulation
11/05/2009	US20090274038 Digital broadcasting receiving apparatus with channel estimation function
11/05/2009	US20090273442 Portable Access Device
11/03/2009	US7613932 Method and system for controlling access to software features in an electronic device
11/03/2009	US7613919 Single-use password authentication
11/03/2009	US7613463 System for fast macrodiversity switching in mobile wireless networks
11/03/2009	US7613448 Web access providing system
11/03/2009	US7613297 Method and apparatus for data encryption
11/03/2009	US7613295 Cryptographic device and associated methods
11/03/2009	US7613250 Distortion compensation apparatus
11/03/2009	US7613244 System for communicating channel quality information
11/03/2009	US7613243 Interleaver and parser for OFDM MIMO systems
11/03/2009	US7613242 Method and system for multicarrier communication between a base station and subscribers of different bandwidths
11/03/2009	US7611407 Wireless wagering system
10/2009
10/29/2009	WO2009131549A1 Mobile communication device protection system and method
10/29/2009	US20090271795 Method and apparatus for scheduling the processing of commands for execution by cryptographic algorithm cores in a programmable network processor
10/29/2009	US20090271626 Methods and devices for establishing security associations in communications systems
10/29/2009	US20090268912 Data use managing system
10/29/2009	US20090268911 Securing Wireless Body Sensor Networks Using Physiological Data
10/29/2009	US20090268910 Apparatus and method for initialization of a scrambling sequence for a downlink reference signal in a wireless network
10/29/2009	US20090268909 Method for operating a wireless sensor network
10/29/2009	US20090268908 Methods and Apparatus for Securely Classifying Data
10/28/2009	CN101567867A Scramble processing method and baseband signal forming method
10/28/2009	CN100555249C Content use management system and method, content playback apparatus and method, and computer program
10/27/2009	US7610632 Software use permission method and system
10/27/2009	US7610613 Servlet authentication filters
10/27/2009	US7610305 Simultaneous global transaction and local transaction management in an application server
10/27/2009	US7609944 Copy protection of optical discs
10/27/2009	US7609838 Method of transmitting data in a network
10/27/2009	US7609834 Personal authenticating multi-function peripheral
10/27/2009	US7609793 Radio receiver and radio receiving method
10/27/2009	US7609789 Phase noise compensation for MIMO WLAN systems
10/27/2009	US7609780 Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO)
10/27/2009	US7609774 Beamforming transceiver architecture with enhanced channel estimation and frequency offset estimation capabilities in high throughput WLAN systems
10/22/2009	US20090265775 Proximity Based Authentication Using Tokens
10/22/2009	US20090265277 Universal content catalog
10/22/2009	US20090262944 Scrambling of data and reference symbols
10/22/2009	US20090262942 Method and system for managing shared random numbers in secret communication network
10/22/2009	US20090262939 Authentication Apparatus, System and Method
10/22/2009	US20090262936 Digital content encrypting apparatus and operating method thereof
10/22/2009	US20090262935 Digital content encrypting apparatus and operating method thereof
10/22/2009	US20090262934 Digital content encrypting apparatus and operating method thereof
10/22/2009	US20090262933 Digital content encrypting apparatus and operating method thereof
10/22/2009	US20090262932 Embedding and extraction of information from an embedded content using replica modulation
10/22/2009	US20090262847 Orthogonal Frequency Division Multiplexing Receiver for Minimizing Inter-Symbol Interference
10/22/2009	US20090262695 Rank and pmi in download control signaling for uplink single-user mimo (ul su-mimo)
10/22/2009	US20090262595 Method and apparatus for operating maskable memory cells
10/22/2009	US20090261886 Mixer circuit, communication device, and electronic equipment
10/21/2009	EP2110975A1 Method and system for digital signatures
10/21/2009	EP2109949A2 Method, system and article for dynamic authorization of access to licensed content
10/21/2009	EP2109829A2 Blocking of unlicensed audio content in video files on a video hosting website
10/21/2009	CN101563871A Programmatically transferring applications between handsets based on license information
10/21/2009	CN101563870A Encrypted token transactions
10/20/2009	US7607110 Element persistent identification
10/20/2009	US7607012 Method for securing a communication
10/20/2009	US7606771 Dynamic number authentication for credit/debit cards
10/20/2009	US7606539 Adaptive predistorter coupled to a nonlinear element
10/20/2009	US7606390 Processing data representing video and audio and methods and apparatus related thereto
10/20/2009	US7606371 Two-way QKD system with active compensation
10/20/2009	US7606368 Method and apparatus for data encryption

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