Patents for H04K 1 - Secret communication (16,771)
08/2007
08/02/2007US20070177736 Functional module card for transferring digital broadcasting signal using two transfer modes
08/02/2007US20070177735 Quantum secret splitting based on non-orthogonal multi-particle states
08/02/2007US20070177734 Fast channel switching in a multimedia broadcast system
08/02/2007US20070177728 ARIA encryption/decryption apparatus and method, and method of generating initialization key for the same
08/02/2007US20070177727 Method of a public key encryption and a cypher communication both secure against a chosen-ciphertext attack
08/02/2007US20070177724 Data transmitter and data receiver
08/02/2007US20070177686 System and Method for Pre-FFT OFDM Fine Synchronization
08/02/2007US20070177685 OFDM demodulator, receiver, and method
08/02/2007US20070177684 Symbol timing estimation in OFDMA systems
08/02/2007US20070177683 Wireless communication system
08/02/2007US20070177682 Method and apparatus for generating and transmitting code sequence in a wireless communication system
08/02/2007US20070177681 Mimo-ofdm system using eigenbeamforming method
08/02/2007US20070177680 Emulating system, apparatus, and method for emulating a radio channel
08/02/2007US20070177655 Method and device for selecting spreading parameters for an ofdm-cdma system
08/01/2007EP1813083A2 A system and method for interactive marketing
08/01/2007EP1704694A4 Watermarks/signatures for wireless communications
08/01/2007EP1084554B1 Procedure and device for transmitting information by radio
08/01/2007CN101010899A Data communication apparatus
08/01/2007CN101010691A Systems and methods for digital content security
08/01/2007CN101010690A Payment processing method and system
07/2007
07/31/2007US7251834 Filtering a permission set using permission requests associated with a code assembly
07/31/2007US7251832 Secure streaming container
07/31/2007US7251728 Secure and reliable document delivery using routing lists
07/31/2007US7251632 Machine dependent login for on-line value-bearing item system
07/31/2007US7251330 Content playback system, content playback method, content playback requesting apparatus, and temporary playback apparatus
07/31/2007US7251329 Method and system for providing secure subscriber content data
07/31/2007US7251326 Method and apparatus for data encryption
07/31/2007US7251325 Public key cryptosystem using finite non abelian groups
07/31/2007US7251291 System and method for I/Q imbalance compensation
07/31/2007US7251290 Adaptive controller for linearization of transmitter
07/31/2007US7251283 Timing offset compensation in orthogonal frequency division multiplexing systems
07/31/2007US7251282 Receiver and method to detect and synchronize with a symbol boundary of an OFDM symbol
07/26/2007WO2007084935A2 Method and apparatus for conveying control channel information in ofdma systems
07/26/2007WO2007084843A2 A transmitter, cellular communication system and method of transmitting therefor
07/26/2007WO2007084153A2 Multimodal biometric analysis
07/26/2007WO2007083284A2 System and/or method for channel estimation in communication systems
07/26/2007WO2007041096A3 Two-way qkd system with faraday effect compensation
07/26/2007WO2006116497A3 Recording and tracing non-trending production data and events in an industrial process control environment
07/26/2007WO2006052837A3 A system and method for interactive marketing
07/26/2007WO2005114886A3 System and method of fraud reduction
07/26/2007WO2005024549A3 Controlling group access to doors
07/26/2007US20070174909 System and method for intelligence based security
07/26/2007US20070174633 Biometric Based User Authentication and Data Encryption
07/26/2007US20070174630 System and Method of Mobile Anti-Pharming and Improving Two Factor Usage
07/26/2007US20070174629 Encryption and authentication systems and methods
07/26/2007US20070174627 Secure compartmented mode knowledge management portal
07/26/2007US20070174624 Content interactivity gateway
07/26/2007US20070174623 Detecting collusion among multiple recipients of fingerprinted information
07/26/2007US20070174620 System and method for loading digital watermarks automatically
07/26/2007US20070174610 Security policy assignment apparatus and method and storage medium stored with security policy assignment program
07/26/2007US20070174609 Apparatus and method for determining revocation key, and apparatus and method for decrypting contents using the same
07/26/2007US20070174281 Cloaked data objects in an electronic content management security system
07/26/2007US20070174209 System and method for data feed acceleration and encryption
07/26/2007US20070174204 Purchasing and copy protecting method for a digital content
07/26/2007US20070174198 Content data distributing system, content data distributing method, and commodity selling method
07/26/2007US20070172064 Electronic device, control method thereof, security program and others
07/26/2007US20070172063 Out-Of-Band Authentication for Automated Applications ("BOTS")
07/26/2007US20070172062 Document Validation System and Method
07/26/2007US20070172053 Method and system for microprocessor data security
07/26/2007US20070171995 Method and Apparatus for Increasing the Number of Orthogonal Signals Using Block Spreading
07/26/2007US20070171994 Methods for data transmission
07/26/2007US20070171993 Adaptive overlap and add circuit and method for zero-padding OFDM system
07/26/2007CA2600388A1 Multimodal biometric analysis
07/25/2007EP1810433A2 System and method for forward path gain control in a digital predistortion linearized transmitter
07/25/2007EP1810432A2 Optical machine locking method and system
07/25/2007EP1535159A4 System and method for preventing access to data on a compromised remote device
07/25/2007CN101006679A Managing access permission to and authentication between devices in a network
07/25/2007CN101006671A Multimode optical transmission device
07/24/2007US7249270 Method and apparatus for placing at least one processor into a power saving mode when another processor has access to a shared resource and exiting the power saving mode upon notification that the shared resource is no longer required by the other processor
07/24/2007US7249259 Hybrid signature scheme
07/24/2007US7249257 Digitally watermarked maps and signs and related navigational tools
07/24/2007US7249111 Method of assigning value codes
07/24/2007US7249110 Individual authentication method, individual authentication apparatus, accounting method, accounting apparatus
07/24/2007US7249103 System and method for selectively enabling access based on lineage analysis of digital information
07/24/2007US7249101 Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium
07/24/2007US7248739 Semiconductor device for compressing video signals with copy protection information
07/24/2007US7248717 Securing media content with steganographic encoding
07/24/2007US7248699 Encryption method using synchronized continuously calculated pseudo-random key
07/24/2007US7248698 System for generating pseudorandom sequences
07/24/2007US7248696 Dynamic system bus encryption using improved differential transitional encoding
07/24/2007US7248695 Systems and methods for transmitting quantum and classical signals over an optical network
07/24/2007US7248691 Hashing using multiple sub-hashes
07/24/2007US7248643 Distortion compensator
07/19/2007WO2007082285A2 Device and method of performing channel estimation for ofdm-based wireless communication system
07/19/2007WO2007082280A2 Ofdma device and method of correcting frequency offset in ofdma signals
07/19/2007WO2007081588A2 Token-based distributed generation of security keying material
07/19/2007WO2007011694A3 Methods and apparatus for close proximity wireless communications
07/19/2007WO2005054987A3 Systems, methods and software to configure and support a telecommunications system
07/19/2007US20070169204 System and method for dynamic security access
07/19/2007US20070168674 Authentication system, authentication apparatus, and recording medium
07/19/2007US20070168287 Method and apparatus for distributing media in a pay per play architecture with remote playback
07/19/2007US20070165863 System and method for secure PIN exchange
07/19/2007US20070165861 Method and electronic terminal for rfid tag type encryption
07/19/2007US20070165859 Multiple level access system
07/19/2007US20070165858 Pre-expiration purging of authentication key contexts
07/19/2007US20070165734 Method and apparatus for domain transformation multiple signal processing
07/19/2007US20070165733 Reception apparatus
07/19/2007US20070165732 Method for performing adaptive subcarrier allocation to a mobile terminal for FDM or OFDM transmission in a multi cell network, a base station, a mobile terminal and a multi cell network therefor
07/19/2007US20070165731 Method and apparatus for conveying control channel information in ofdma system
07/19/2007US20070165730 Transmitter cellular communication system and method of transmitting therefor