Patents for H04K 1 - Secret communication (16,771)
08/2010
08/31/2010US7788500 Biometric authentication device and terminal
08/31/2010US7788498 Triple-tap password entry
08/31/2010US7788182 Method for loaning digital works
08/31/2010US7788168 Method, system, and apparatus for dynamically creating electronic contracts
08/31/2010US7787627 Methods and apparatus for providing a key management system for wireless communication networks
08/31/2010US7787626 System and method for obtaining certificate status of subkeys
08/31/2010US7787624 Method for inserting synchronization markers into a video stream, compatible with a block cipher
08/31/2010US7787622 Efficient distribution of encrypted content for multiple content access systems
08/31/2010US7787621 Secure transmission using adaptive transformation and plural channels
08/31/2010US7787619 Method and apparatus for secure key management using multi-threshold secret sharing
08/31/2010US7787566 Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios
08/31/2010US7787564 Combined peak reduction equalizer and phase/amplitude pre-distortion
08/31/2010US7787562 Method and apparatus for adaptive modulation of wireless communication signals
08/31/2010US7787555 Multi-input multi-output system and method for demodulating a transmitting vector in a receiver of the system
08/31/2010US7787550 Combined frame alignment and timing recovery in digital subscriber line (DSL) communications systems
08/31/2010US7787549 Impulsive noise suppressor and method thereof
08/31/2010US7787548 Digital broadcast service discovery correlation
08/31/2010US7787547 Hybrid radio frequency transmitter
08/31/2010US7787546 Apparatus and method for FT pre-coding of data to reduce PAPR in a multi-carrier wireless network
08/31/2010US7787545 Multi-channel wavelet codec
08/26/2010US20100217999 Method and system for secure authentication
08/26/2010US20100215171 Transport packet decryption testing in a client device
08/26/2010US20100215119 Reception apparatus
08/26/2010US20100215108 Ranking and Grouping of Transmissions in Communication System
08/26/2010US20100215088 Apparatus and method for changing communication mode in multi-antenna system considering channel environment
08/26/2010US20100215087 Signal transmission apparatus, transmission method and computer storage medium thereof
08/26/2010US20100215033 Preferential routing of secured calls
08/25/2010CN1883154B Method and apparatus of communicating security/encryption information to a physical layer transceiver
08/25/2010CN101816140A Token-based management system for PKI personalization process
08/24/2010US7783900 Querying encrypted data in a relational database system
08/24/2010US7783897 Programmable logic device
08/24/2010US7783895 Method and apparatus for encrypting data to be secured and inputting/outputting the same
08/24/2010US7783702 Using a mobile phone to control a personal computer
08/24/2010US7783578 System for providing cardless payment
08/24/2010US7783041 System, method and computer program product for authenticating a data agreement between network entities
08/24/2010US7783040 Encryption in a secure computerized gaming system
08/24/2010US7783038 Using code as keys for copy protection
08/24/2010US7783037 Multi-gigabit per second computing of the rijndael inverse cipher
08/24/2010US7783036 Apparatus for encrypting/decrypting real-time input stream
08/24/2010US7783019 Method and apparatus for providing fraud detection using geographically differentiated connection duration thresholds
08/24/2010US7782985 Automatic frequency offset compensation in a TDD wireless OFDM communication system
08/24/2010US7782977 Automatic gain control apparatus and method in orthogonal frequency division multiplexing
08/24/2010US7782969 OFDM signal transmission method and apparatus
08/24/2010US7782968 Apparatus for transmitting and receiving data to provide high-speed data communication and method thereof
08/24/2010US7782967 Method of frequency offset compensation
08/24/2010US7782573 Trellis-based feedback reduction for multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) with rate-limited feedback
08/19/2010US20100211771 Key distribution
08/19/2010US20100208894 Encoder and decoder apparatus and methods
08/19/2010US20100208784 Mobile communication terminal and control method therefor
08/18/2010EP1949579B1 Personal People Meter PPM in the headset of a MP3 portable media player.
08/17/2010US7779476 Active defense against wireless intruders
08/17/2010US7779272 Hardware cryptographic engine and encryption method
08/17/2010US7779259 Key agreement and transport protocol with implicit signatures
08/17/2010US7779258 Method for controlling security function execution with a flexible, extendable, and non-forgable block
08/17/2010US7779250 Method for applying certificate
08/17/2010US7779071 Enterprise wireless local area network switching system
08/17/2010US7778932 Device-based access privilege to an account
08/17/2010US7778437 Media and methods employing steganographic marking
08/17/2010US7778422 Security associations for devices
08/17/2010US7778418 System and method for copy protection for digital signals
08/17/2010US7778415 Substitution cipher text-encoding and un-encoding software and method
08/17/2010US7778414 Encryption method based on factorization
08/17/2010US7778369 Multi-carrier transmission device and multi-carrier transmission method
08/17/2010US7778353 Controller for a radio-frequency amplifier
08/17/2010US7778340 Accurate channel quality indicator for link adaptation of MIMO communication systems
08/17/2010US7778339 Transmission of a plurality of sub-carriers in an OFDM signal
08/17/2010US7778338 Method and apparatus for estimating timing error and frequency offset of MIMO system
08/17/2010US7778337 Scattered pilot pattern and channel estimation method for MIMO-OFDM systems
08/17/2010US7778336 Timing and frequency synchronization of OFDM signals for changing channel conditions
08/17/2010US7778335 Method and system for hierarchical modulation and demodulation for digital radio
08/17/2010US7778334 Modulation scheme for communication environments
08/12/2010WO2010089723A1 A circuit, system, device and method of authenticating a communication session and encrypting data thereof
08/12/2010US20100205456 Flash memory distribution of digital content
08/12/2010US20100202615 Encryption of voice and data in a single data stream in a deployable,secure communication system
08/12/2010US20100202614 Apparatus and method for ciphering of uplink data in mobile communication system
08/12/2010US20100202607 Linear predictive coding implementation of digital watermarks
08/12/2010US20100202433 Supporting hybrid automatic retransmission request in orthogonal frequency division multiplexing access radio access system
08/12/2010US20100202396 System and method for transmitting/receiving resource allocation information in a communication system
08/12/2010US20100202356 Backfire distributed antenna system (das) with delayed transport
08/10/2010US7774609 Process for digital signing of a message
08/10/2010US7774602 Secure modem gateway concentrator
08/10/2010US7774283 Method and system for using a camera cell phone in transactions
08/10/2010US7773972 Functionality and policies based on wireless device dynamic associations
08/10/2010US7773754 Key management system and method
08/10/2010US7773753 Efficient remotely-keyed symmetric cryptography for digital rights management
08/10/2010US7773746 Encryption system, encryption device, decryption device, program, and integrated circuit
08/10/2010US7773691 Power control system for a continuous time mobile transmitter
08/10/2010US7773683 Method and apparatus for ICI cancellation in communication systems
08/10/2010US7773681 Method and apparatus for estimating signal-to-noise ratio, noise power, and signal power
08/10/2010US7773680 System and method for providing 3-dimensional joint interleaver and circulation transmissions
08/10/2010US7773679 Base station methods and apparatus for DC tone special treatment
08/10/2010US7773678 Method and apparatus for reducing the dynamic range of a radio signal
08/05/2010WO2010086017A1 Securing a data transmission
08/05/2010US20100199100 Secure Access by a User to a Resource
08/05/2010US20100197271 Wireless device monitoring system including unauthorized apparatus and authentication apparatus with security authentication function
08/05/2010US20100195835 Link and physical coding sub-layer protocols
08/05/2010US20100195832 Method and a system for transmitting an encrypted control message based on mobile multimedia broadcast
08/05/2010US20100195823 Radio Communication Base Station Device, Radio Communication Mobile Station Device, Method for Scrambling Response Signal in ARQ
08/05/2010US20100195748 Method and system for reference signal pattern design in resource blocks
08/05/2010US20100194587 Methods and systems for borehole telemetry
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