Patents for H04K 1 - Secret communication (16,771)
03/2007
03/29/2007US20070070353 Components for optical qubits in the radio frequency basis
03/29/2007CA2621068A1 Systems and methods for multi-factor remote user authentication
03/28/2007EP1766967A1 Display apparatus and control method thereof
03/28/2007EP1766853A1 Auditable privacy policies in a distributed hierarchical identity management system
03/28/2007EP1766852A1 Distributed hierarchical identity management system authentication mechanisms
03/28/2007EP1766825A2 System and method for differential iq delay compensation in a communications system utilizing adaptive aqm compensation
03/28/2007EP1766823A2 System and method for dis-identifying sensitive information and assocaites records
03/28/2007EP1766822A1 Method for operating an enciphered radio network
03/28/2007EP1766568A1 Systems and methods for digital content security
03/28/2007CN1938981A Modulator autocalibration methods for qkd
03/28/2007CN1937534A Load balance realizing method and load balance device
03/28/2007CN1307813C Secured communicating method and device for hiding talking voice
03/28/2007CN1307810C Slot synchronization for a wcdma system
03/27/2007US7197765 Method for securely using a single password for multiple purposes
03/27/2007US7197646 System and method for preventing automated programs in a network
03/27/2007US7197484 Asset management advice system and recording medium containing program of the system
03/27/2007US7197368 Audio watermarking with dual watermarks
03/27/2007US7197164 Time-varying video watermark
03/27/2007US7197145 Method for setting up radio bearer in mobile communication system
03/27/2007US7197141 RSA cryptographic processing apparatus for IC card
03/27/2007US7197086 Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station
03/27/2007US7197084 Precoding for a multipath channel in a MIMO system
03/22/2007US20070067642 Systems and methods for multi-factor remote user authentication
03/22/2007US20070067641 Storage device and method for protecting data stored therein
03/22/2007US20070067640 Mobile unit with fingerprint sensor and attachment structure
03/22/2007US20070067639 Method for identifying persons and system for carrying out said method
03/22/2007US20070067637 Method and a system for preventing impersonation of a database user
03/22/2007US20070067634 System and method for restricting access to a terminal
03/22/2007US20070066330 Fast macrodiversity switching in mobile wireless networks
03/22/2007US20070065150 Secure optical communication
03/22/2007US20070064950 Wireless communication system, wireless communication device, method of wireless communication, and computer program
03/22/2007US20070064949 Method and apparatus for sending and receiving plurality of data streams
03/22/2007US20070064948 Methods and apparatus for the utilization of mobile nodes for state transfer
03/22/2007US20070064947 Wireless communication authentication process and system
03/22/2007US20070064933 Method of symmetric key data encryption
03/22/2007US20070064930 Modular exponentiation with randomized exponent
03/22/2007US20070064839 Power Management in Digital Receivers
03/22/2007US20070064826 Space-time trellis code for orthogonal frequency division multiplexing (OFDM)
03/22/2007US20070064825 Communication device for receiving and transmitting ofdm signals in a wireless communication system
03/22/2007US20070064824 Hybrid domain block equalizer
03/22/2007US20070064823 Apparatus and method for calibrating channel in radio communication system using multiple antennas
03/22/2007US20070064822 Radio apparatus
03/22/2007US20070064821 Memory Reduction in Digital Broadcast Receivers
03/22/2007US20070064773 Multi-carrier spread spectrum using non-linear modification of sub-carrier bands
03/22/2007CA2622569A1 Systems and methods for monitoring and controlling communication traffic
03/21/2007EP1763828A1 Control of consumption of media objects
03/21/2007EP1763827A2 Web-based data content distribution system
03/21/2007CN1306747C Information processing device and input operating device
03/21/2007CN1306415C System and method of secure garbage collection on a mobile device
03/21/2007CN1306281C Balance-inhibited single-photon detecting circuit modules
03/20/2007US7194768 Access control for a microprocessor card
03/20/2007US7194632 Method for secure biometric authentication/identification, biometric data input module and verification module
03/20/2007US7194631 Information-processing apparatus having a user-switching function and user-switching method for use in the apparatus
03/20/2007US7194438 Electronic payment schemes in a mobile environment for short-range transactions
03/20/2007US7194090 Encryption apparatus, decryption apparatus, expanded key generating apparatus and method therefor, and recording medium
03/20/2007US7194089 Method for reducing a value modulo a shared secret
03/20/2007US7194088 Method and system for a full-adder post processor for modulo arithmetic
03/20/2007US7194040 Beam-steering and beam-forming for wideband MIMO/MISO systems
03/20/2007US7194039 Method for peak power reduction in multiple carrier communications systems
03/20/2007US7194017 Virtual cell mapping in macrodiverse wireless networks with frequency hopping
03/15/2007WO2007030739A2 Distributed antenna system using signal precursors
03/15/2007WO2006009617A3 Dynamic content-aware memory compression and encryption architecture
03/15/2007WO2006007490A3 Exception notification system and method
03/15/2007US20070061893 Methods and devices for copy protection of software
03/15/2007US20070061890 System and methodology for validating anti-piracy security compliance and reporting thereupon, for one to a plurality of movie theaters
03/15/2007US20070061889 System and method for controlling distribution of electronic information
03/15/2007US20070061887 Smart tunneling to resources in a network
03/15/2007US20070061591 User authentication apparatus and user authentication method
03/15/2007US20070061590 Secure biometric authentication system
03/15/2007US20070058815 Method and apparatus for securely transmitting and receiving data in peer-to-peer manner
03/15/2007US20070058812 Enforcing time-based transaction policies on devices lacking independent clocks
03/15/2007US20070058805 Encryption apparatus and method, and decryption apparatus and method based on block encryption
03/15/2007US20070058801 Managing the encryption of data
03/15/2007US20070058800 Transition between masked representations of a value during cryptographic calculations
03/15/2007US20070058755 Systems And Methods To Provide Wideband Magnitude And Phase Imbalance Calibration And Compensation In Quadrature Receivers
03/15/2007US20070058744 Linear Transformation Circuits
03/15/2007US20070058743 OFDM communications system employing crest factor reduction with ISI control
03/15/2007US20070058742 Distributed antenna system using signal precursors
03/15/2007US20070058740 Likelihood corrector and likelihood correction method
03/15/2007US20070058739 Automatic gain control for frequency-hopped OFDM
03/15/2007US20070058738 Overlap-and-add with DC-offset correction
03/15/2007US20070058737 Convolutive blind source separation using relative optimization
03/15/2007US20070058736 Ultra wideband baseband chip with intelligent array radio and method of use thereof
03/15/2007US20070058735 Method and apparatus for equalizing signals
03/15/2007US20070058734 Circuit for improving channel impulse response estimation and compensating for remnant frequency offset in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11a/g wireless LAN standard standard
03/15/2007US20070058733 Method of demodulating ofdm type signals in the presence of strong co-channel interference signals
03/15/2007US20070058693 Tone sensing and nulling in frequency-hopped multicarrier system
03/15/2007US20070057886 Image decryption system
03/14/2007EP1762035A2 Qkd system network
03/14/2007CN1930840A Method and apparatus for allocating subcarriers in a broadband wireless communication system using multiple carriers
03/14/2007CN1930819A Information leakage preventive device and information leakage preventive method
03/13/2007US7191345 BIOS lock encode/decode driver
03/13/2007US7191252 Data security system and method adjunct to e-mail, browser or telecom program
03/13/2007US7191238 Method and system for authenticating content distribution and content reproduction requests based on biometric features
03/13/2007US7191156 Digital watermarking systems
03/13/2007US7190793 Key generation in a communication system
03/13/2007US7190791 Method of encryption using multi-key process to create a variable-length key
03/13/2007US7190790 Multiple module encryption method
03/13/2007US7190788 Methods and apparatus for encrypting a binary string
03/13/2007US7190787 Stream cipher having a combiner function with storage based shuffle unit