Patents for H04K 1 - Secret communication (16,771)
12/2009
12/17/2009US20090310781 Method and apparatus for authentication of portable electronic devices
12/17/2009US20090310475 Method for scheduling distributed virtual resource blocks
12/17/2009DE19629467A1 Kommunikationssystem und Kommunikationsverfahren Communication system and communication method
12/16/2009EP2132894A1 System and method for implementing content protection in a wireless digital system
12/15/2009US7634662 Method for incorporating facial recognition technology in a multimedia surveillance system
12/15/2009US7634657 Reducing the probability of undetected collisions in hash-based data block processing
12/15/2009US7634447 Method of recording and reproducing sample data to/from a recording medium and sample data containing recording medium
12/15/2009US7634252 Mobility management in wireless networks
12/15/2009US7634091 System and method of hiding cryptographic private keys
12/15/2009US7634087 Systems and methods for identity-based encryption and related cryptographic techniques
12/15/2009US7634085 Identity-based-encryption system with partial attribute matching
12/15/2009US7634084 Prime calculation device, method, and key issuing system
12/15/2009US7634024 Adaptive peak windowing for crest factor reduction in a communication system transmitter
12/15/2009US7634022 Polar modulator and wireless communication apparatus using the same
12/15/2009US7634014 Adaptive pilot allocation method and apparatus for use in a communication system
12/15/2009US7634013 DC offset estimation and compensation of OFDM radio receivers by weighted averaging over a section of the training sequence
12/15/2009CA2318415C Video program bearing transport stream remultiplexer
12/10/2009WO2009148641A1 Ocdm-based photonic encryption system with provable security
12/10/2009US20090307754 Methods, systems, and storage mediums for implementing issue notification and resolution activities
12/10/2009US20090307496 Method of deriving and updating traffic encryption key
12/10/2009US20090307494 Methods and device for electronic entities for the exchange and use of rights
12/10/2009US20090307484 Wireless access point security for multi-hop networks
12/10/2009US20090304184 Mobile communication system, mobile communication method, wireless base station, and mobile station
12/10/2009US20090304182 System and method for providing information using audio watermarking
12/10/2009US20090304099 Digital signal transmission and reception
12/10/2009US20090304096 System and method for randomized antenna allocation in asynchronous mimo multi-hop networks
12/08/2009US7631195 System and method for providing security to a portable storage device
12/08/2009US7631192 Network apparatus for accessing services over a network
12/08/2009US7631186 Mobile terminal authentication method capable of reducing authentication processing time and preventing fraudulent transmission/reception of data through spoofing
12/08/2009US7631127 Methods and systems for varying bus frequencies
12/08/2009US7631048 Method and system for personal policy-controlled automated response to information transfer requests
12/08/2009US7630496 Arrangement and method for adapting mobile field device
12/08/2009US7630495 Method for protecting electronic device, and electronic device
12/08/2009US7630492 Secure audio stream scramble system
12/08/2009US7630452 Method and apparatus for an ultra-wideband radio utilizing MEMS filtering
12/08/2009US7630450 OFDM channel estimator
12/08/2009US7630449 Method and receiver capable of increasing acquisition efficiency in a code division multiple access communication system
12/08/2009US7630448 Impulse noise reduction to an MCM signal
12/08/2009US7628322 Methods, system and mobile device capable of enabling credit card personalization using a wireless network
12/03/2009US20090300708 Method for Improving Comprehension of Information in a Security Enhanced Environment by Representing the Information in Audio Form
12/03/2009US20090296925 Transmission apparatus and transmission method
12/03/2009US20090296842 Soft output m-algorithm receiver structures with generalized survivor selection criteria for mimo systems
12/03/2009US20090296788 Closed-loop signalling method for controlling multiple transmit beams and correspondingly adapted transceiver devices
12/03/2009US20090296684 Packet synchronizing for communications over a wireless communication system
12/02/2009EP2127173A2 Digital signal processing method and system employing such method
12/02/2009EP2127172A2 Generation systems and methods for transaction identifiers having biometric keys associated therewith
12/02/2009EP2127171A1 Method and apparatus for providing games and content
12/02/2009EP2127170A2 Programmatically transferring applications between handsets based on license information
12/02/2009EP2126516A2 Transfer function control for biometric monitoring system and related method
12/02/2009CN101595675A Method and system for inter-subnet pre-authentication
12/02/2009CN100566231C Compensation for non-linear distortion in a modem receiver
12/02/2009CN100566224C Method and apparatus for pulse overlap pre-compensation in digitally modulated signals
12/02/2009CN100566133C Equipment and method for amplifying input signal with input signal power
12/01/2009US7627768 Method and device for automatic validation of computer program using cryptography functions
12/01/2009US7627757 Message service indication system and method
12/01/2009US7627749 System and method for processing data and communicating encrypted data
12/01/2009US7627747 Hardware/software partitioning for encrypted WLAN communications
12/01/2009US7627126 Systems and methods for implementing path length control for quantum cryptographic systems
12/01/2009US7627124 Wireless communication authentication process and system
12/01/2009US7627123 Wireless network having multiple security interfaces
12/01/2009US7627120 Enhanced security for voice mail passwords
12/01/2009US7627113 Method and system for hardware accelerator for implementing f8 confidentiality algorithm in WCDMA compliant handsets
12/01/2009US7627056 System and method for orthogonally multiplexed signal transmission and reception on a non-contiguous spectral basis
12/01/2009US7627049 Sampling frequency offset tracking method and OFDM system using the same
12/01/2009US7627047 Orthogonal frequency division multiplexing (OFDM) receiver
12/01/2009US7627045 System, method, apparatus, and computer program for wireless communication
11/2009
11/26/2009WO2009142804A2 Broadband pilot channel estimation using a reduced order fft and a hardware interpolator
11/26/2009US20090292640 Method and system for synchronizing an online application and a portable device
11/26/2009US20090290754 Deriving Identifying Data From Video and Audio
11/26/2009US20090290653 Method for transmitting pilot for multiple carrier system
11/25/2009EP2122881A1 Method and apparatus for distribution of money transfers
11/25/2009EP2122880A1 Pin block replacement
11/25/2009EP2122876A1 Method and apparatus for reducing probability of detection, improving jamming resistance and security for broadband wireless systems
11/25/2009CN101589569A Secure password distribution to a client device of a network
11/24/2009US7624431 802.1X authentication technique for shared media
11/24/2009US7624283 Protocol for trusted platform module recovery through context checkpointing
11/24/2009US7624272 Platform information for digital signatures
11/24/2009US7624270 Inter subnet roaming system and method
11/24/2009US7623666 Automatic setting of security in communication network system
11/24/2009US7623664 System providing dynamic quality of service signaling messages in a cable telephony network
11/24/2009US7623656 Stream cipher encryption and message authentication
11/24/2009US7623591 Diversity receiver
11/24/2009US7623583 Apparatus and method for tracking a sampling clock of multi-carrier communication system
11/24/2009US7623580 Simultaneous multiple channel receiver
11/24/2009US7623579 Method of demodulating OFDM type signals in the presence of strong co-channel interference signals
11/24/2009US7623578 Time domain equalization using frequency domain operations
11/19/2009WO2009140654A2 Identity based symmetric cryptosystem using secure biometric model
11/19/2009WO2009139777A1 Security futures contract with selectable expiration
11/19/2009US20090287935 Common access card heterogeneous (cachet) system and method
11/19/2009US20090287930 Identity based symmetric cryptosystem using secure biometric model
11/19/2009US20090287608 Multiple customer and multiple location pc service provider system
11/19/2009US20090285446 Signal Embedding and Detection using Circular Structures in a Transform Domain of a Media Signal
11/19/2009US20090285391 Communicating media content from a DVR to a portable device
11/18/2009EP2119075A2 Encryption- and decryption-enabled interfaces
11/17/2009US7620952 Universal registration system
11/17/2009US7620386 Establishing a collaborative domain among communication terminals responsive to authentication
11/17/2009US7620253 Steganographic systems and methods
11/17/2009US7620200 Authentication of identification documents
11/17/2009US7620183 Method for establishing a connection between a terminal and an operating mobile radio network, mobile radio network and terminal used in such a method
11/17/2009US7620182 QKD with classical bit encryption
1 ... 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 ... 168