H04K 1 - Secret communication

Patents for H04K 1 - Secret communication (16,771)
12/2011
12/08/2011	WO2011153414A1 Message decoding for discretized signal transmissions
12/08/2011	US20110302645 Multi-Channel Multi-Factor Authentication
12/08/2011	US20110299688 High speed digital to analog converter with reduced spurious outputs
12/08/2011	US20110299681 Ciphering in a packet-switched telecommunications system
12/08/2011	US20110298914 Microscope system
12/08/2011	CA2801082A1 Message decoding for discretized signal transmissions
12/07/2011	EP1665462B1 Amplifier power control in frequency hopping applications and methods
12/07/2011	CN1633774B 基于身份的分级加密与签名方案 Identity-based encryption and signature schemes grading
12/07/2011	CN101931528B 一种对傅里叶变换量子秘密共享系统的攻击方法 An attack on the Fourier transform method of quantum secret sharing system
12/06/2011	US8074068 Secret sharing device, method, and program
12/06/2011	US8073193 Methods and systems for steganographic processing
12/06/2011	US8073139 Method of compressing a cryptographic value
12/06/2011	US8073075 Transmission apparatus and transmission power control method
12/06/2011	US8073073 Optimized clipping for peak-to-average power ratio reduction
12/06/2011	US8073065 Radio transmitting apparatus and multicarrier signal generating method
12/06/2011	US8073064 Robust FFT trigger point tracking for echo channels in OFDM based communication systems
12/06/2011	US8073063 Methods and systems for orthogonal frequency division multiplexing (OFDM) multiple zone partitioning
12/06/2011	US8073062 Method and apparatus for downlink resource allocation in an orthogonal frequency division multiplexing communication system
12/06/2011	US8073061 Radio communication apparatus and radio communication method
12/01/2011	US20110292991 Information processing device, receiving method, and wireless communication system
11/2011
11/29/2011	US8069489 Method and system for facilitating search, selection, preview, purchase evaluation, offering for sale, distribution, and/or sale of digital content and enhancing the security thereof
11/29/2011	US8069472 Methods, systems, and storage mediums for implementing issue notification and resolution activities
11/29/2011	US8068784 Communication system and communication device
11/29/2011	US8068679 Audio and video signal processing
11/29/2011	US8068558 Selective peak power reduction
11/24/2011	WO2011144418A1 Method for the secure establishment of a security key via an unencrypted radio interface
11/23/2011	EP1258092B1 System and method for protecting data streams in hardware components
11/23/2011	CN202050421U End-to-end encrypted speech processing device
11/22/2011	USRE42949 Stereophonic audio signal decompression switching to monaural audio signal
11/22/2011	US8065715 Authenticating a user of a wireless data processing device
11/22/2011	US8065678 Method and apparatus for scheduling the processing of commands for execution by cryptographic algorithm cores in a programmable network processor
11/22/2011	US8064603 Information terminal
11/22/2011	US8064602 Method and application for authentication of a wireless communication using an expiration marker
11/22/2011	US8064600 Encoded digital video content protection between transport demultiplexer and decoder
11/22/2011	US8064599 Secure message transport using message segmentation
11/22/2011	US8064598 Apparatus, method and computer program product providing enforcement of operator lock
11/22/2011	US8064596 Stream control device, stream encryption/decryption device, and stream encryption/decryption method
11/22/2011	US8064537 Method and apparatus for dynamically adjusting a transmission power spectral density of pilot and data symbols
11/22/2011	US8064531 Method and apparatus for interferer parameter estimation using multiple receiver arbitration
11/22/2011	US8064529 Peak suppressor
11/22/2011	US8064425 Method for assigning frequency spectrum bandwidth of an OFDM and OFDMA coexistence system
11/17/2011	WO2011143257A1 Format-preserving encryption via rotating block encryption
11/17/2011	WO2011143107A1 Method and system for scrambling speech using concatenative synthesis
11/17/2011	US20110280400 Cloud storage system and method
11/17/2011	US20110280235 Wireless perimeter security device and network using same
11/16/2011	EP2387196A2 Apparatus and method for multicarrier transmission/reception with transmission quality evaluation
11/16/2011	CN101073217B Stbc mimo-ofdm peak-to-average power ratio reduction by cross-antenna rotation and inversion
11/15/2011	US8060941 Method and system to authenticate an application in a computing platform operating in trusted computing group (TCG) domain
11/15/2011	US8060939 Method and system for securing wireless local area networks
11/15/2011	US8060923 Trusted license removal in a content protection system or the like
11/15/2011	US8060903 Signal processing apparatus and methods
11/15/2011	US8060755 Apparatus and method for providing user-generated key schedule in a microprocessor cryptographic engine
11/15/2011	US8060752 Twisted signature
11/15/2011	US8060745 Security for wireless transmission
11/15/2011	US8060033 Techniques to enhance diversity for a wireless system
11/15/2011	US8059749 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
11/15/2011	US8059748 Multi-mode and multi-band transmitters for wireless communication
11/15/2011	US8059734 MIMO equalization for wireless communication systems
11/15/2011	US8059732 Method and apparatus for wideband transmission from multiple non-collocated base stations over wireless radio networks
11/15/2011	US8059730 Frequency synthesizer and method thereof
11/15/2011	US8059729 Method and apparatus for transmitting and receiving data in a multi-channel digital broadcasting system
11/15/2011	US8059728 Method and apparatus for transmitting/receiving broadcast channels in cellular communication systems supporting scalable bandwidth
11/15/2011	US8059697 Reduced peak-to-RMS ratio multicode signal
11/10/2011	WO2011139304A2 Quantum enabled security for optical communication
11/10/2011	WO2011137499A1 Secure communications system based on radiofrequency identification and exchange of information
11/10/2011	US20110276800 Message Service Indication System and Method
11/10/2011	US20110274272 Data transmission system
11/10/2011	US20110274206 System and method for rf signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems
11/09/2011	EP2385521A1 Steganography in digital signal encoding
11/08/2011	US8055901 Optical signature to enable image correction
11/08/2011	US8055012 Hiding and detecting messages in media signals
11/08/2011	US8054972 Encryption processor of memory card and method for writing and reading data using the same
11/08/2011	US8054968 Method and apparatus for providing prepaid music card for deciphering recorded broadcast audio signals
11/08/2011	US8054967 Computer system and computer program executing encryption or decryption
11/08/2011	US8054912 Large-dynamic-range lookup table for a transmitter predistorter and system and method employing the same
11/08/2011	US8054911 Method for edge formation of signals and transmitter/receiver component for a bus system
11/08/2011	US8054903 Digital broadcasting transmission/reception devices capable of improving a receiving performance and signal processing method thereof
11/08/2011	US8054901 Generating signals for transmission of information
11/08/2011	US8054900 Symmetrical data signal processing
11/08/2011	US8054897 UWB receiver scaling clock frequency by data rate and data reception method thereof
11/08/2011	US8054896 Method and apparatus for transmitting/receiving control information in packet data communication system
11/08/2011	US8054895 Adaptive subcarrier allocation to a mobile terminal in a multi cell FDM or OFDM network
11/08/2011	US8054894 Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
11/03/2011	US20110268277 Communication system, femtocell base station, authentication apparatus, communication method, and recording medium
11/03/2011	US20110268268 Apparatus, method, and system for digital content and access protection
11/03/2011	US20110268203 Techniques for Decoding Transmitted Signals Using Reactive Taboo Searches (RTS)
11/01/2011	US8051472 Method and apparatus for personalization and identity management
11/01/2011	US8051294 Methods for audio watermarking and decoding
11/01/2011	US8051287 Imparting real-time priority-based network communications in an encrypted communication session
11/01/2011	US8051151 System and method for communicating with a network node behind a subscriber station with an IP convergence sub-layer
11/01/2011	US8050648 Superconducting digital mixer
11/01/2011	US8050566 System and methods for quantum key distribution over WDM links
11/01/2011	US8050452 Quantization-based data embedding in mapped data
11/01/2011	US8050410 Distributed encryption methods and systems
11/01/2011	US8050404 Bandwidth efficient method and system for obscuring the existence of encryption in a communications channel
11/01/2011	US8050403 Method and apparatus for generating a public key in a manner that counters power analysis attacks
11/01/2011	US8050353 Systems and methods of RF power transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
11/01/2011	US8050352 Methods and apparatus for reducing peak-to-RMS amplitude ratio in communication signals
11/01/2011	US8050340 Method and a device for dynamically selecting orthogonal functions of an orthogonal transmission system
11/01/2011	US8050338 Doppler dependent power control and sub-carrier allocation in OFDM multiple access systems

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