| Patents for H04K 1 - Secret communication (16,771) |
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| 02/19/2013 | US8380212 Apparatus and method for transmission of dynamic feedback channel information in a MIMO system |
| 02/19/2013 | US8380144 Systems and methods for digital predistortion in a dual band transmitter |
| 02/19/2013 | US8379866 Method of distributing encoding/decoding program and symmetric key in security domain environment and data divider and data injector therefor |
| 02/19/2013 | US8379861 Integrated circuit and a method for secure testing |
| 02/19/2013 | US8379859 Method and apparatus for ciphering data in wireless communication system |
| 02/19/2013 | US8379856 Hardware based cryptography |
| 02/19/2013 | US8379855 Ciphering in a packet-switched telecommunications system |
| 02/19/2013 | US8379854 Secure wireless communication |
| 02/19/2013 | US8379850 Method and integrated circuit for secure encryption and decryption |
| 02/19/2013 | US8379844 Methods and apparatus for performing an elliptic curve scalar multiplication operation using splitting |
| 02/19/2013 | US8379842 Cryptographic methods including Montgomery power ladder algorithms |
| 02/19/2013 | US8379744 Radio apparatus |
| 02/19/2013 | US8379742 Estimating channel conditions in a MIMO OFDM communication system |
| 02/19/2013 | US8379741 Wireless communication system and method for performing communication in the wireless communication system |
| 02/19/2013 | US8379740 Wide-band signal processor |
| 02/19/2013 | US8379739 Method and system for impact mitigation of sudden carrier frequency shifts in OFDM receivers |
| 02/19/2013 | US8379738 Methods and apparatus to improve performance and enable fast decoding of transmissions with multiple code blocks |
| 02/19/2013 | US8378786 Security provision in standards-compliant RFID systems |
| 02/14/2013 | WO2013022719A1 Method and system for embedding security in a mobile communications device |
| 02/14/2013 | DE102011110069A1 Device for receiving cryptography key sent by transmitter, has photo diode for detecting arriving photons with beams, and evaluation unit for evaluating signal at photo diode based on required running times of photons and polarization |
| 02/13/2013 | EP2556622A1 Method to encrypt information that is transferred between two communication units |
| 02/13/2013 | CN102934386A Message decoding for discretized signal transmissions |
| 02/13/2013 | CN101917243B Noise ultra-wideband digital secret communication system |
| 02/12/2013 | US8375207 Method and apparatus for authenticating a network device |
| 02/12/2013 | US8374352 Context-free protocol for enforcing data forwarding in wireless ad hoc networks |
| 02/12/2013 | US8374350 Quantum communication system |
| 02/12/2013 | US8374342 Scalar multiplier and scalar multiplication program |
| 02/12/2013 | US8374341 Hash function using a cue sports game process |
| 02/12/2013 | US8374339 Security setting method of wireless communication network, wireless communication network system, client device and recording medium |
| 02/12/2013 | US8374338 Transport packet decryption testing in a client device |
| 02/12/2013 | US8374269 Odd interleaving only of an odd-even interleaver when half or less data subcarriers are active in a digital video broadcasting (DVB) system |
| 02/12/2013 | US8374268 Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system |
| 02/12/2013 | US8374266 Iterative channel estimation method and apparatus for ICI cancellation in multi-carrier |
| 02/12/2013 | US8374265 Signal processing circuit, signal processing method and recording medium |
| 02/12/2013 | US8374262 Method and device for determining an unabbreviated channel-impulse response in an OFDM transmission system |
| 02/12/2013 | US8374261 Method and apparatus for Doppler estimation in orthogonal frequency-division multiplexing (OFDM) |
| 02/12/2013 | US8374260 Method and apparatus for implementing uplink transmit diversity in a switched antenna orthogonal frequency division multiplexing communication system |
| 02/12/2013 | US8374259 Transmitting apparatus, communication system, transmitting method and program |
| 02/12/2013 | US8374258 Transmission device, reception device, communication system, transmission method and program |
| 02/12/2013 | US8374127 Digital broadcasting system and method of processing data in digital broadcasting system |
| 02/12/2013 | US8374105 High data rate wireless bridging |
| 02/07/2013 | WO2013020054A1 Wi-fi authentication by proxy |
| 02/07/2013 | US20130034230 Method and system for embedding security in a mobile communications device |
| 02/05/2013 | USRE43963 Constrained-envelope digital-communications transmission system and method therefor |
| 02/05/2013 | US8369972 Methods and apparatus to perform audio watermarking and watermark detection and extraction |
| 02/05/2013 | US8369515 Cryptographic method of multilayer diffusion in multidimension |
| 02/05/2013 | US8369447 Predistortion with sectioned basis functions |
| 02/05/2013 | US8369434 16k mode interleaver in a digital video broadcasting (DVB) standard |
| 02/05/2013 | US8369433 Digital up-converter and N-channel modulator with flexible association of QAM generation resources to narrowcast and broadcast frequencies |
| 02/05/2013 | US8369431 Peak-to-average power reduction method |
| 02/05/2013 | US8369430 Method for detecting signal, device for detecting signal, and receiving device |
| 02/05/2013 | US8369428 Method of synchronizing multi-carrier systems and multi-carrier system |
| 02/05/2013 | US8369427 Method and apparatus for symbol transmission in an OFDM mobile communication system |
| 02/05/2013 | US8369425 Robust channel estimation in communication systems |
| 02/05/2013 | US8369424 Frequency selective and frequency diversity transmissions in a wireless communication system |
| 01/31/2013 | US20130028420 Circuit switched mobile telephony in fixed wireless access |
| 01/31/2013 | US20130028418 Standard Telephone Equipment (STE) Based Deployable Secure Communication System |
| 01/31/2013 | US20130028417 System and Method for Dynamically Allocating Stream Identifiers in a Multi-Encryption Transport System |
| 01/30/2013 | CN202713328U Mobile phone communication terminal encryption system |
| 01/30/2013 | CN102904664A Anti-interference communication system and anti-interference method |
| 01/30/2013 | CN101488818B Circuit for secure communication masked by chaos |
| 01/29/2013 | US8364978 System for and method of auto-registration with cryptographic modules |
| 01/29/2013 | US8364596 System and method for providing and/or obtaining electronic documents |
| 01/29/2013 | US8363839 Image forming apparatus |
| 01/29/2013 | US8363836 Using authentication tokens to authorize a firewall to open a pinhole |
| 01/29/2013 | US8363827 Method and apparatus for generic multi-stage nested hash processing |
| 01/29/2013 | US8363751 Communication method and communication system |
| 01/29/2013 | US8363750 Apparatus, method and computer program for error compensation |
| 01/29/2013 | US8363742 Method and apparatus for detecting received signal in wireless communication system |
| 01/29/2013 | US8363739 Pilot scheme for a MIMO communication system |
| 01/29/2013 | US8363610 Communications apparatus and communications system using multicarrier transmission mode |
| 01/29/2013 | US8363536 OFDM channel estimation |
| 01/24/2013 | WO2013011500A1 Spectral and temporal stealthy fiber optic communication using sampling and phase encoding detection system |
| 01/24/2013 | US20130022202 Systems and methods for multi layer delivery of information |
| 01/24/2013 | US20130022201 Encrypted memory |
| 01/22/2013 | US8359474 Method and system for secure authentication |
| 01/22/2013 | US8359465 Enterprise security system |
| 01/22/2013 | US8358784 System and method for a secure synchronization between a wireless communication device and a server |
| 01/22/2013 | US8358783 Secure wiegand communications |
| 01/22/2013 | US8358680 Reducing power levels associated with two or more signals using peak reduction distortion that is derived from a combined signal |
| 01/22/2013 | US8358631 Beamforming systems and method |
| 01/17/2013 | US20130019094 Creating and using secure communications channels for virtual universes |
| 01/17/2013 | US20130016841 System and Method for Multi-Carrier Network Operation |
| 01/17/2013 | US20130016837 Ocdm-based all optical multi-level security |
| 01/17/2013 | US20130016835 Apparatus and method for distributing a string of secret bits over a quantum channel |
| 01/16/2013 | CN202679385U Intelligent ship terminal with data management function |
| 01/15/2013 | USRE43934 Method and apparatus to assign trust to a key |
| 01/15/2013 | US8356336 System and method for double-capture/double-redirect to a different location |
| 01/15/2013 | US8356180 Multidimensional identification, authentication, authorization and key distribution system for patient monitoring |
| 01/15/2013 | US8355514 Audio encoding to convey auxiliary information, and media embodying same |
| 01/15/2013 | US8355507 Optical switching and delay systems and methods for optical encryption and/or optical decryption |
| 01/15/2013 | US8355501 Method of collision-free hashing for near-match inputs |
| 01/15/2013 | US8355461 Method and device for the noise shaping of a transmission signal |
| 01/15/2013 | US8355456 Transmitting device, receiving device, and signal processing method in radio communication system |
| 01/15/2013 | US8355454 Reception device, reception method and integrated circuit |
| 01/10/2013 | US20130014238 Deterministic User Authentication Service For Communication Network |
| 01/10/2013 | US20130013916 Method and Apparatus for Verifiable Generation of Public Keys |
| 01/10/2013 | US20130010962 Proximity Authentication System |
| 01/10/2013 | US20130010959 Data backup device for smartphone |
| 01/10/2013 | US20130010951 Secure open-air communication system utilizing multichannel decoyed transmission |