| Patents for H04K 1 - Secret communication (16,771) | 
|---|
| 06/06/2006 | US7058139 Transmitter with transmitter chain phase adjustment on the basis of pre-stored phase information  | 
| 06/06/2006 | US7058134 System and method for multiple signal carrier time domain channel estimation  | 
| 06/01/2006 | WO2006058039A2 Electronic transaction verification system  | 
| 06/01/2006 | WO2006057683A2 System and method of echo cancellation  | 
| 06/01/2006 | WO2006028654A3 Systems and methods for receiving data in a wireless communication network  | 
| 06/01/2006 | WO2006023334A3 Permutation data transform to enhance security  | 
| 06/01/2006 | US20060117188 Biometric print quality assurance  | 
| 06/01/2006 | US20060117187 Internet method of protecting subscriber information  | 
| 06/01/2006 | US20060115089 Key distribution  | 
| 06/01/2006 | US20060115088 Method and apparatus for end-to-end clear transport protocol  | 
| 06/01/2006 | US20060115084 Conditional access for a multimedia broadcast service using a wireless terminal  | 
| 06/01/2006 | US20060115080 Methods and apparatus for preventing a third party from overhearing a telephone conversation  | 
| 06/01/2006 | US20060115030 Efficient reduced complexity windowed optimal time domain equalizer for discrete multitione-based DSL modems  | 
| 06/01/2006 | US20060115012 Increased discrete point processing in an OFDM communication system  | 
| 06/01/2006 | US20060115011 Orthogonal frequency division multiplexing (OFDM) receiver  | 
| 06/01/2006 | US20060115010 Apparatus and method for reducing a peak to average power ratio in a multi-carrier communication system  | 
| 06/01/2006 | US20060114976 System and method of echo cancellation  | 
| 05/31/2006 | EP1661355A1 Method and device for securing content delivery over a communication network via content keys  | 
| 05/31/2006 | EP1661347A1 Method and system for transmission of information data over a communication line using filtered multi-tone modulation (fmt)  | 
| 05/31/2006 | EP1661065A1 Feeder control system and method  | 
| 05/31/2006 | EP1661054A2 Method and system for identity theft prevention, detection and victim assistance  | 
| 05/31/2006 | EP1490819A4 System and method for expressing usage rights using modulated signals  | 
| 05/31/2006 | EP0965195B1 Methods and apparatus for securely encrypting data in conjunction with a personal computer  | 
| 05/31/2006 | CN1781271A Cost-effective multi-channel quadrature amplitude modulation  | 
| 05/31/2006 | CN1780455A Estate performance statistical method  | 
| 05/31/2006 | CN1780289A Method for transmitting and receiving data by building telecommunication in network speech telephone system  | 
| 05/31/2006 | CN1258262C Signal peak reduction circuit for non-constant envelope modulation signals  | 
| 05/30/2006 | US7054843 Method and apparatus in a telecommunications system  | 
| 05/30/2006 | US7054465 Data hiding method and system for embedding and extracting information in signals  | 
| 05/30/2006 | US7054444 Public and private key cryptographic method  | 
| 05/30/2006 | US7054379 Data scrambler generation of pseudo-random bit sequence for semi-stationary Q-mode signal  | 
| 05/30/2006 | US7054375 Method and apparatus for error reduction in an orthogonal modulation system  | 
| 05/30/2006 | US7054354 Multicarrier transmission system with reduced complexity leakage matrix multiplication  | 
| 05/30/2006 | US7054348 Using real random number generator as proof of time  | 
| 05/30/2006 | US7051923 Method and system for providing interactive cardholder rewards image replacement  | 
| 05/26/2006 | WO2006055827A2 Systems and methods for adaptive vdsl with variable sampling frequency and time-domain equalizer  | 
| 05/26/2006 | WO2006055249A2 Ultra-wideband communication apparatus and methods  | 
| 05/26/2006 | WO2006055046A2 Electronic chain of custody method and system  | 
| 05/26/2006 | WO2006027769A3 Method and apparatus for securing data stored within a non-volatile memory  | 
| 05/26/2006 | WO2006014842A3 System and method for secure network connectivity  | 
| 05/26/2006 | CA2587846A1 Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a mimo-ofdm system  | 
| 05/25/2006 | US20060112434 Video on demand system with selectable options of configurable random-access control  | 
| 05/25/2006 | US20060112433 System and method for controlling access to an electronic message recipient  | 
| 05/25/2006 | US20060112280 Method and system for secure transmission of biometric data  | 
| 05/25/2006 | US20060112279 Method and system for biometric identification and authentication having an exception mode  | 
| 05/25/2006 | US20060112278 Method and system for biometric authentication of user feedback  | 
| 05/25/2006 | US20060112277 High-speed password attacking device  | 
| 05/25/2006 | US20060112276 Method for authenticating a user access request  | 
| 05/25/2006 | US20060112275 Facilitating and authenticating transactions  | 
| 05/25/2006 | US20060112019 System and method of authenticating licensed computer programs  | 
| 05/25/2006 | US20060109984 Methods for audio watermarking and decoding  | 
| 05/25/2006 | US20060109983 Signal masking and method thereof  | 
| 05/25/2006 | US20060109926 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system  | 
| 05/25/2006 | US20060109925 Method and apparatus for error reduction in an orthogonal modulation system  | 
| 05/25/2006 | US20060109924 Apparatus and method for signal transmission/reception according to pilot modulation in a multi-carrier communication system  | 
| 05/25/2006 | US20060109923 Subcarrier cluster-based power control in wireless communications  | 
| 05/25/2006 | US20060109922 Iterative channel and interference estimation with dedicated pilot tones for OFDMA  | 
| 05/25/2006 | US20060109921 Combining coefficient estimation apparatus capable of compensating for phase noise of ofdm system and combining coefficient estimation method thereof  | 
| 05/25/2006 | US20060109920 OFDM wireless receiver  | 
| 05/25/2006 | US20060109919 Wireless communications device providing time and frequency-domain channel estimates interpolation and related methods  | 
| 05/25/2006 | US20060109891 Reduced parallel and pipelined high-order MIMO LMMSE receiver architecture  | 
| 05/24/2006 | EP1659721A1 Transmission device, transmission method, and storage medium  | 
| 05/24/2006 | EP1658696A1 On-chip storage, creation, and manipulation of an encryption key  | 
| 05/24/2006 | EP1483717A4 Rights expression profile system and method using templates and profiles  | 
| 05/24/2006 | EP1371164A4 Theft resistant graphics  | 
| 05/24/2006 | EP1018231B1 A data encryption system for internet communication  | 
| 05/24/2006 | CN1778062A Time-multiplexed multi-program encryption system  | 
| 05/23/2006 | US7051210 Persistance and recovery of security keys  | 
| 05/23/2006 | US7051209 System and method for creation and use of strong passwords  | 
| 05/23/2006 | US7050723 Laser oscillator, optical communication method and system  | 
| 05/23/2006 | US7050587 Security device for guarding a vehicle  | 
| 05/23/2006 | US7050583 Method and apparatus for streaming data using rotating cryptographic keys  | 
| 05/23/2006 | US7050582 Pseudo-random one-to-one circuit synthesis  | 
| 05/18/2006 | WO2006053280A2 Optical machine locking method and system  | 
| 05/18/2006 | WO2006051741A1 Data transmitting apparatus  | 
| 05/18/2006 | WO2005059799A3 Asset planning and tracking  | 
| 05/18/2006 | US20060107331 Objective management apparatus, medium, and method with group organization  | 
| 05/18/2006 | US20060107307 Object location based security using RFID  | 
| 05/18/2006 | US20060107306 Tuning product policy using observed evidence of customer behavior  | 
| 05/18/2006 | US20060107301 Video recorder unit and method of operation therefor  | 
| 05/18/2006 | US20060107069 System and method for tokenless biometric electronic scrip  | 
| 05/18/2006 | US20060107068 Method of generating access keys  | 
| 05/18/2006 | US20060107067 Identification card with bio-sensor and user authentication method  | 
| 05/18/2006 | US20060107066 Method for identification of person by recognition of a digital fingerprint  | 
| 05/18/2006 | US20060107065 System that generates access keys  | 
| 05/18/2006 | US20060107064 API for a system having a passcode authenticator  | 
| 05/18/2006 | US20060107063 Generating requests for access to a passcode protected entity  | 
| 05/18/2006 | US20060107062 Portable personal mass storage medium and information system with secure access to a user space via a network  | 
| 05/18/2006 | US20060107052 Integrated Circuit Card with Situation Dependent Identity Authentication  | 
| 05/18/2006 | US20060106727 Method and system for transferring software and hardware feature licenses between devices  | 
| 05/18/2006 | US20060106718 Electronic chain of custody method and system  | 
| 05/18/2006 | US20060104447 Discrete logarithm-based cryptography using the Shafarevich-Tate group  | 
| 05/18/2006 | US20060104446 Online data encryption and decryption  | 
| 05/18/2006 | US20060104445 Systems and methods for hiding a data group  | 
| 05/18/2006 | US20060104439 Method and system for shifting key agreement status and information storage medium  | 
| 05/18/2006 | US20060104381 Beam-steering and beam-forming for wideband MIMO/MISO systems  | 
| 05/18/2006 | US20060104376 OFDM signal receiver and receiving method  | 
| 05/18/2006 | US20060104375 Method and system for improving the quality of a radio signal  | 
| 05/18/2006 | US20060104374 Mapping strategy for OFDM-based systems using H-ARQ  | 
| 05/18/2006 | US20060104373 OFDM peak-to-average power ratio reduction by combined symbol rotation and inversion with limited complexity  |