Patents
Sitemap › H04 - Electric communication technique › H04K - Secret communication; Jamming of communication › H04K 1 - Secret communication
Patents for H04K 1 - Secret communication (16,771)
10/2012
10/30/2012US8300727 Method and apparatus for selecting pre-coding vectors
10/30/2012US8300726 Interpolation method and apparatus for increasing efficiency of crosstalk estimation
10/30/2012US8300720 Methods and systems for diversity combining of synchronization statistics in OFDM systems
10/30/2012US8300719 Apparatus for detecting digital video signal parameters and method thereof
10/30/2012US8300718 Demodulating circuit, demodulating method, and receiving system
10/30/2012US8300717 Sampling frequency offset estimation apparatus and method of OFDM system
10/30/2012US8300715 Method and apparatus for reuse of WAN infrastructure resources in a wireless peer-to-peer (P2P) network
10/30/2012US8300714 Apparatus and method for reducing peak to average power ratio in an orthogonal frequency division multiplexing system
10/30/2012US8300713 Preamble sequence detection and integral carrier frequency offset estimation method for OFDM/OFDMA wireless communication system
10/30/2012US8300712 Equalization for zero prefix OFDM systems
10/30/2012US8300567 Method and apparatus for downlink multiple-user multiple output scheduling
10/25/2012US20120269345 Integrated circuit (ic) card
10/25/2012US20120269344 Methods and apparatus for creating music melodies
10/25/2012US20120269343 Encrypting Communications
10/24/2012CN102752080A Anti-eavesdrop coding method based on physical layer
10/24/2012CN102752068A Communication system, transmitting apparatus, receiving apparatus and communication method
10/23/2012US8296580 System and method for protecting data on a mobile device
10/23/2012US8295485 Quantum communication system
10/23/2012US8295484 System and method for securing data from a remote input device
10/23/2012US8295483 Mobile terminal device, wireless communication unit, wireless communication system, and wireless communication method
10/23/2012US8295478 Cryptographic processing apparatus, algorithm constructing method, processing method, and computer program applying an extended feistel structure
10/23/2012US8295415 Interference characterisation and removal
10/23/2012US8295395 Methods and apparatus for partial interference reduction within wireless networks
10/23/2012US8295394 Error signal formation for linearization
10/23/2012US8295393 Device and method for transmitting/receiving pulse signal
10/23/2012US8295392 Digital communication system, indoor unit, and outdoor unit
10/23/2012US8295377 Digital broadcasting system and data processing method
10/23/2012US8295376 Method of estimating the symbols of a digital signal and receiver for implementing said method
10/23/2012US8295375 Transmitting apparatus and method, and receiving apparatus and method
10/23/2012US8295374 Signal detecting method and receiver using the same
10/23/2012US8295373 Virtual multicarrier design for orthogonal frequency division multiple access communications
10/23/2012US8295372 DRM receiver and demodulation method
10/23/2012US8295227 Radio communication system, mobile station, and radio base station
10/23/2012US8295193 Method for transmitting and receiving feedback information
10/18/2012US20120263302 Voice communication apparatus and method
10/18/2012US20120263301 Method and apparatus for transmitting/receiving encryption information in a mobile broadcast system
10/18/2012US20120263299 Method and System for Self Synchronizing Cryptographic Parameters
10/17/2012EP2511823A2 Methods and systems to distribute content via a network utilizing distributed conditional access agents and secure agents, and to perform digital rights management (DRM)
10/17/2012CN102737312A Electronic transaction verification system
10/16/2012US8291235 Method and system for controlling access of clients and users to a print server
10/16/2012US8291226 Method and apparatus for securely booting from an external storage device
10/16/2012US8291218 Creating and using secure communications channels for virtual universes
10/16/2012US8290371 OCDM-based all optical multi-level security
10/16/2012US8290161 Incorporating shared randomness into distributed cryptography
10/16/2012US8290146 Ciphertext generating apparatus, cryptographic communication system, and group parameter generating apparatus
10/16/2012US8290081 Transmission/reception methods and modules for a multiple-carrier multiple-antenna system using training sequences
10/16/2012US8290076 Receiver, signal processing apparatus and receiving method
10/16/2012US8290075 Apparatus and method for tracking symbol timing of OFDM modulation in a multi-path channel
10/16/2012US8290074 OFDM networks with pseudo-random phase precoding
10/16/2012US8290072 Transmission apparatus, reception apparatus, communication apparatus, and communication system
10/16/2012US8290071 Modulating device and method, demodulating device and method, program, and recording medium
10/16/2012US8290070 Method for the transmission on multiple-carrier communications systems, and corresponding transmitter and computer-program product
10/16/2012US8290069 System and method to implement concurrent orthogonal channels in an ultra-wide band wireless communications network
10/16/2012US8290068 Maximum likelihood detection apparatus and method in a wireless communication system
10/16/2012US8290067 Spectrum sharing in a wireless communication network
10/16/2012US8289929 Method and apparatus for enabling mobility in mobile IP based wireless communication systems
10/11/2012US20120257753 MAC Address Anonymizer
10/11/2012US20120257688 Transmission and reception apparatus and method
10/10/2012CN101057437B System and method for forward path gain control in a digital predistortion linearized transmitter
10/09/2012US8286228 Secure streaming container
10/09/2012US8285994 Two-way authentication between two communication endpoints using a one-way out-of-band (OOB) channel
10/09/2012US8285989 Establishing a secured communication session
10/09/2012US8285986 Apparatus and method for data packet security in a wireless sensor network
10/09/2012US8285626 Securitization of sales participation certificates
10/09/2012US8284940 System for supporting over-the-air service and method thereof
10/09/2012US8284937 Method for synchronization in encrypted communications using shared key
10/09/2012US8284931 System and method for using a streaming protocol
10/09/2012US8284930 Simultaneous scalar multiplication method
10/09/2012US8284851 Transmission apparatus, reception apparatus, communication system, transmission method and reception method
10/09/2012US8284850 OFDM reception apparatus
10/09/2012US8284849 Phase shift based precoding method and transceiver for supporting the same
10/04/2012WO2012133601A1 Privacy-preserving probabilistic inference based on hidden markov models
10/03/2012CN1902853B Method and apparatus for verifiable generation of public keys
10/03/2012CN102714591A Proximity based biometric identification systems and methods
10/03/2012CN102710364A Encryption and decryption method and system based on visible light communication
10/03/2012CN102710363A Improved method for improving stability property of communication system
10/02/2012US8281408 Secure telemetric link
10/02/2012US8281391 Contents transmission method and contents transmission system
10/02/2012US8281155 Content protection using block reordering
10/02/2012US8281135 Enforcing use of chipset key management services for encrypted storage devices
10/02/2012US8280374 Policy management in a roaming or handover scenario in an IP network
10/02/2012US8280101 Identification documents and authentication of such documents
10/02/2012US8280059 Method, system and device for generating group key
10/02/2012US8280058 Wireless network having multiple security interfaces
10/02/2012US8280057 Method and apparatus for providing security in wireless communication networks
10/02/2012US8280056 System and methods for encryption with authentication integrity
10/02/2012US8280051 Secure presentation of media streams in response to encrypted content
10/02/2012US8280048 Method for strengthening the implementation of ECDSA against power analysis
10/02/2012US8280041 Chinese remainder theorem-based computation method for cryptosystems
10/02/2012US8279971 Determining a level of power reduction for a transmitter
10/02/2012US8279961 MIMO demodulator and method for the same
10/02/2012US8279956 Information processing apparatus, information processing method, display apparatus and information processing program
10/02/2012US8279955 Systems and methods for calibrating digital baseband DC offset in an OFDM receiver
10/02/2012US8279954 Adaptive forward-backward soft output M-algorithm receiver structures
10/02/2012US8279953 Transmitting apparatus, receiving apparatus, and wireless communication method
10/02/2012US8278870 Battery pack authentication for a mobile communication device
10/02/2012CA2521035C Extracting soft information in a block-coherent communication system
09/2012
09/27/2012US20120243684 Content data reproduction system and collection system of use history thereof
09/26/2012CN202455363U Power filtering isolation device
09/26/2012CN102694812A Information destroying method and device
1 ... 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ... 168