Patents
Sitemap › H04 - Electric communication technique › H04K - Secret communication; Jamming of communication › H04K 1 - Secret communication
Patents for H04K 1 - Secret communication (16,771)
12/2010
12/07/2010US7848448 Method of generating reference signal in wireless communication system
12/07/2010US7848439 Communication apparatus, communication system, and communication method
12/07/2010US7848437 Sub-carrier diversity method on multi-band orthogonal-frequency-division-multiplexing symbol
12/07/2010US7848436 Method for detecting OFDM timing in OFDM system
12/07/2010US7848434 Channel estimator and related method for smoothing channel responses of a multi-carrier system
12/02/2010WO2010138615A1 Hardware-based zero-knowledge strong authentication (h0ksa)
12/02/2010US20100303235 Method Providing the Means for Recognizing the Origin and/or Content of an RF Signal
12/02/2010US20100303232 Wireless Digital Personal Communications System Having Voice/Data/Image Two-Way Calling and Intercell Hand-Off Provided Through Distributed Logic Resident in Portable Handset Terminals, Fixed Terminals, Radio Cell Base Stations and Switched Telephone Network
12/02/2010US20100303161 Receiver apparatus
12/01/2010EP1668814B1 Secure multicast transmission
12/01/2010CN1823482B Methods and apparatus for embedding watermarks
12/01/2010CN101902294A Staged establishment of secure strings of symbols
11/2010
11/30/2010US7845000 Method and device for controlling access to a digital document shared in a communication network of the station-to-station type
11/30/2010US7844998 Apparatus and method for autonomic email access control
11/30/2010US7844831 Secure memory device for smart cards
11/30/2010US7844826 Method and apparatus for communicating authorization data
11/30/2010US7844808 Computer compliance enforcement
11/30/2010US7844073 Watermark-based goods authentication
11/30/2010US7844057 Roaming using reassociation
11/30/2010US7844056 Method and apparatus for encapsulating long messages over limited fibre channel extended link service
11/30/2010US7844053 Microprocessor apparatus and method for performing block cipher cryptographic functions
11/30/2010US7844052 Encoding and detecting apparatus
11/30/2010US7844014 Pre-distortion apparatus
11/30/2010US7844007 Combined OFDMA preamble index identification, integer frequency offset estimation, and preamble CINR measurement
11/30/2010US7844006 Method of non-uniform doppler compensation for wideband orthogonal frequency division multiplexed signals
11/30/2010US7844005 Multicarrier communication apparatus, integrated circuit, and multicarrier communication method
11/30/2010US7844003 Signal separating device and signal separating method
11/30/2010US7843806 Apparatus and methods for estimating and compensating sampling clock offset
11/30/2010US7843458 Graphics processor with integrated wireless circuit
11/30/2010US7841942 Gaming system license management
11/25/2010US20100299265 Methods and systems for security authentication and key exchange
11/25/2010US20100296650 Wireless communication system, base station, terminal and wireless communication method
11/24/2010EP2254324A1 Image forming apparatus and image reading device for use in the apparatus
11/24/2010EP2254323A1 Image forming apparatus and image reading device for use in the apparatus
11/24/2010EP2254322A1 Image forming apparatus and image reading device for use in the apparatus
11/24/2010EP1529371B1 Monitoring of digital content provided from a content provider over a network
11/24/2010CN201657079U Removable user identity module (R-UIM) acoustic code encrypting telephone system
11/24/2010CN101897211A Migration of computer secrets
11/23/2010USRE41952 Multiple sub-channel modulation and demodulation with arbitrarily defined channel spacing and sampling rates
11/23/2010US7840815 Digital signature computer, system, method, and storage medium storing program for collectively affixing signature to plurality of messages
11/23/2010US7840810 Systems and methods for rejoining a second group of nodes with a first group of nodes using a shared group key
11/23/2010US7840807 Authentication of computing device through employment of determination that current location of authentication device matches initial location
11/23/2010US7840488 System and method for granting access to an item or permission to use an item based on configurable conditions
11/23/2010US7840014 Sound apparatus with howling prevention function
11/23/2010US7840008 Method and apparatus for decrypting a communication
11/23/2010US7840001 Data processing apparatus
11/23/2010US7840000 High performance programmable cryptography system
11/23/2010US7839999 Encryption device, encryption processing method and program, and information protection system employing the encryption device
11/23/2010US7839998 Transcoding CableCARD
11/23/2010US7839951 Dynamic crest factor reduction system
11/23/2010US7839942 Demodulator, receiver, and demodulation method
11/23/2010US7839940 Ordered retransmissions for ARQ in multicarrier systems
11/23/2010US7839939 Method of transmitting information with the help of chaotic signals
11/23/2010US7839538 Method and system for applying an image-dependent dynamic watermark to postal indicia
11/23/2010US7839263 System and method of training in a transmit/receive system
11/18/2010US20100293374 Secure Portable Memory Storage Device
11/18/2010US20100290550 method, a transmitting station, a receiving station and a preamble structure for communicating a signal using analog beam steering
11/18/2010US20100290548 Wireless communication apparatus, wireless communication system and wireless communication method
11/17/2010EP2250752A1 Ocdm-based photonic encryption system with provable security
11/16/2010US7836493 Proxy server security token authorization
11/16/2010US7836310 Security system that uses indirect password-based encryption
11/16/2010US7836308 Apparatus and method for multiple function authentication device
11/16/2010US7836042 Adaptive routing of resource requests for multiple back-end systems
11/16/2010US7835723 Mobile banking
11/16/2010US7835702 Calculating a diversity parameter adjustment according to previously applied diversity parameter adjustments
11/16/2010US7835526 Method and system for restricting mobility using unique encrypted chargers
11/16/2010US7835525 Cryptographic method using dual encryption keys and a wireless local area network (LAN) system therefor
11/16/2010US7835523 Cryptographic engine abstraction layer for a software defined radio
11/16/2010US7835518 System and method for write failure recovery
11/16/2010US7835457 Demodulating a signal having multiple frequency bands
11/16/2010CA2374968C Technique for split knowledge backup and recovery of a cryptographic key
11/11/2010WO2010127389A1 Electronic locking system and method
11/11/2010US20100284535 Communications system
11/11/2010US20100284476 Coordination of packet and acknowledgment retransmissions
11/11/2010US20100284449 Methods and communication systems having adaptive mode selection
11/11/2010US20100283614 Radio frequency identification devices and reader systems
11/10/2010CN1643842B Communication apparatus and communication system
11/10/2010CN101884189A Electronic check financial payment systems and methods
11/10/2010CN101884188A Identity authentication and secured access systems, components, and methods
11/10/2010CN101882969A Method and system for generating linear recursive sequence
11/09/2010US7831830 Methods and apparatus for secure document printing
11/09/2010US7831825 Packet-based and pseudo-packet based cryptographic communications systems and methods
11/09/2010US7831514 Method for managing license of software program in storage system
11/09/2010US7831488 Systems, methods and computer readable medium providing automated third-party confirmations
11/09/2010US7831238 Method and system for multimedia tags
11/09/2010US7831208 Wireless mobile phone having encoded data entry facilities
11/09/2010US7831062 Arrangement of objects in images or graphics to convey a machine-readable signal
11/09/2010US7831049 Enhanced encryption method and system for ultra secure applications
11/09/2010US7831039 AES encryption circuitry with CCM
11/09/2010US7830974 Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver
11/09/2010US7830972 Method for allocating signals in multi-carrier system
11/09/2010US7830971 Apparatus and method for detecting advanced GCL sequence in wireless communication system
11/09/2010US7830296 Anechoic structures for absorbing electromagnetic interference in a communications module
11/04/2010US20100281261 Device and method for near field communications using audio transducers
11/04/2010US20100281259 Key agreement and transport protocol with implicit signatures
11/04/2010US20100280887 Awarding privileges to a vehicle based upon one or more fuel utilization characteristics
11/04/2010US20100280886 Awarding privileges to a vehicle based upon one or more fuel utilization characteristics
11/04/2010US20100278343 Wireless communication apparatus and processing method thereby
11/04/2010US20100278341 Radio communication system, radio communication apparatus, and ciphering method
11/04/2010US20100278340 Encryption device, encryption method and storage medium storing its program
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