Patents for H04K 1 - Secret communication (16,771)
08/2006
08/31/2006CA2595253A1 Intelligent demodulation systems and methods in an ofdma multicell network
08/30/2006EP1696417A2 Audio synthesis using digital sampling of coded waveforms
08/30/2006EP1695563A2 Security for wireless transmission
08/30/2006EP1695438A2 Amplifier linearization using non-linear predistortion
08/30/2006EP1695190A2 A method of implementing a high-speed header bypass function
08/30/2006EP1155402B1 Audio synthesis using digital sampling of coded waveforms
08/30/2006CN1826798A Image alignment
08/30/2006CN1826748A A transform-based alias cancellation multi-channel tuner
08/30/2006CN1826579A Controlling access to an area
08/29/2006US7100053 Monitoring and managing user access to content via a portable data storage medium
08/29/2006US7100045 System, method, and program for ensuring originality
08/29/2006US7100044 Public key certificate using system, public key certificate using method, information processing apparatus, and program providing medium
08/29/2006US7099850 Methods for providing cardless payment
08/29/2006US7099847 Apparatus, methods and articles of manufacture for construction and maintaining a calendaring interface
08/29/2006US7099492 Method of steganographically embedding geo-location data in media
08/29/2006US7099471 Detecting compromised ballots
08/29/2006US7099404 Digital transmitter
08/29/2006US7099403 Precoding for a non-linear codec
08/29/2006US7099399 Distortion-managed digital RF communications transmitter and method therefor
08/29/2006US7099397 Receiver of an orthogonal frequency division multiplexing system
08/29/2006US7099374 Wireless communication systems and methods for long-code communications for regenerative multiple user detection involving matched-filter outputs
08/24/2006WO2006089034A2 Method and system of auditing databases for security compliance
08/24/2006WO2006088685A2 Advanced receiver with sliding window block linear equalizer
08/24/2006WO2005112561A3 Standard telephone equipment (ste) based deployable secure communication system
08/24/2006US20060191022 Method and apparatus for article authentication
08/24/2006US20060191020 Peer-to-peer network communication
08/24/2006US20060191016 Systems and methods for free demonstration of online premium content prior to purchase
08/24/2006US20060191013 Offering different product costs options based on privacy policy acceptance
08/24/2006US20060190738 IC card case and IC card unit
08/24/2006US20060190736 Verifying user authentication
08/24/2006US20060190290 Systems and methods for distributing electronic files
08/24/2006US20060188093 Contents management method, contents management apparatus, and recording medium
08/24/2006US20060188035 Method for seamlessly changing power modes in an ADSL system
08/24/2006US20060188034 System and method for multiple signal carrier time domain channel estimation
08/24/2006US20060188033 Wireless receiver with anti-jamming
08/24/2006US20060188032 Dual carrier modulator for modulating OFDM multi-carrier, OFDM transmitter therewith, and a method thereof
08/24/2006US20060188031 Intelligent demodulation systems and methods in an OFDMA multicell network
08/24/2006US20060188003 Communication of interference mitigation related information between wireless devices
08/24/2006US20060186989 RFID tag for protecting information and method for protecting personal information
08/24/2006CA2597864A1 Advanced receiver with sliding window block linear equalizer
08/23/2006EP1692800A2 Enhanced natural montgomery exponent masking
08/23/2006CN1823482A Methods and apparatus for embedding watermarks
08/22/2006US7096504 Distribution system, semiconductor memory card, receiving apparatus, computer-readable recording medium and receiving method
08/22/2006US7096367 System and methods for caching in connection with authorization in a computer system
08/22/2006US7096365 Digital signature
08/22/2006US7096355 Dynamic encoding algorithms and inline message decryption
08/22/2006US7096352 Security protocol structure in application layer
08/22/2006US7096292 On-chip inter-subsystem communication
08/22/2006US7096202 Consumer distribution license system and method
08/22/2006US7096201 Copyright management apparatus, copyrighted-work distribution apparatus, and copyrighted-work distribution and receiving system
08/22/2006US7096200 System and method for evaluating and enhancing source anonymity for encrypted web traffic
08/22/2006US7095871 Digital asset management and linking media signals with related data using watermarks
08/22/2006US7095858 System and method for securely upgrading firmware
08/22/2006US7095856 Method and apparatus to maintain encryption synchronization in a multi-modulation TDM system
08/22/2006US7095851 Voice and data encryption method using a cryptographic key split combiner
08/22/2006US7095791 OFDM interference cancellation based on training symbol interference
08/22/2006US7095790 Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
08/22/2006US7095752 On-chip inter-subsystem communication including concurrent data traffic routing
08/17/2006WO2006086628A2 Methods and apparatus for negotiations
08/17/2006WO2006086214A2 System and method for removing interfering narrowband signals from wide bandwidth receive signal
08/17/2006WO2006086099A2 Method and apparatus for establishing usage rights for digital content to be created in the future
08/17/2006WO2005125080B1 Embedding identification data into a work
08/17/2006WO2005060112A3 Method and architecture for dual-mode linear and saturated power amplifier operation
08/17/2006WO2005001668A3 Dynamic indicator for context sensitive real-time communications
08/17/2006US20060185023 Content playback expiation management system, content playback expiration management method, terminal, server, program, and recording medium
08/17/2006US20060184996 Method and system of auditing databases for security compliance
08/17/2006US20060184801 Method for controlling fraud and enhancing security and privacy by using personal hybrid card
08/17/2006US20060184800 Method and apparatus for using age and/or gender recognition techniques to customize a user interface
08/17/2006US20060184794 Method and apparatus for controlling operating system access to configuration settings
08/17/2006US20060184792 Protecting computer systems from unwanted software
08/17/2006US20060184659 Method and system for extracting information from networked devices using multiple implementations of protocol access functions
08/17/2006US20060184457 Computerized conflict checking system
08/17/2006US20060184453 Method and apparatus for providing sponsorship for a directory
08/17/2006US20060184452 Electronic document management system
08/17/2006US20060182281 Storage system, data migration method and management computer
08/17/2006US20060182280 Method and apparatus for providing bootstrapping procedures in a communication network
08/17/2006US20060182275 Method for inserting synchronization markers into a video stream, compatible with a block cipher
08/17/2006US20060182207 Hybrid STBC receiver
08/17/2006US20060182190 Distribution line carrier transmitting device
08/17/2006US20060182189 Apparatus and method for optimally compensating for imbalance between in-phase and quadrature-phase in a zero-IF OFDM receiver
08/17/2006CA2642142A1 Secure system for conducting electronic transactions and method for use thereof
08/17/2006CA2597304A1 Methods and apparatus for negotiations
08/17/2006CA2596449A1 Method and apparatus for establishing usage rights for digital content to be created in the future
08/16/2006EP1690342A2 Method to create hierarchical modulation in ofdm
08/16/2006EP1690237A2 Terminal device ip address authentication
08/16/2006CN2807357Y Data gathering system of oil (gas) filling machine
08/16/2006CN1820441A System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems
08/16/2006CN1270453C Step transmission quantum safety direct communication method
08/15/2006US7093298 Apparatus and method for security object enhancement and management
08/15/2006US7093291 Method and system for detecting and preventing an intrusion in multiple platform computing environments
08/15/2006US7093286 Method and system for exchanging sensitive information in a wireless communication system
08/15/2006US7093131 Information authenticating apparatus and authenticating station
08/15/2006US7093125 Rote based tool delegation
08/15/2006US7092913 System for inexpensively executing online purchases
08/15/2006US7092526 Method and system for performing subword permutation instructions for use in two-dimensional multimedia processing
08/15/2006US7092525 Cryptographic system with enhanced encryption function and cipher key for data encryption standard
08/15/2006US7092524 Device for and method of cryptographically wrapping information
08/15/2006US7092522 Apparatus for solving system of equations on finite field and apparatus for inverting element of extension field
08/15/2006US7092427 Direct sequence modulation using time, frequency, and/or on-off keying
08/10/2006WO2005099160A3 Systems and methods for implementing path diversity in a wireless communication network