| Patents for H04K 1 - Secret communication (16,771) |
|---|
| 01/06/2005 | US20050005133 Proxy server security token authorization |
| 01/06/2005 | US20050005131 Memory card |
| 01/06/2005 | US20050005129 Policy-protection proxy |
| 01/06/2005 | US20050005128 System for controlling access to stored data |
| 01/06/2005 | US20050002529 Extended walsh code space for forward packet data channel in IS-2000 system |
| 01/06/2005 | US20050002524 Baud rate modulation encoding/decoding method and device for remote controller |
| 01/06/2005 | US20050002469 Envelope elimination and restoration device |
| 01/06/2005 | US20050002461 Channel estimation for block transmissions over time-and frequency-selective wireless fading channels |
| 01/06/2005 | CA2531009A1 Tri-state integer cycle modulation |
| 01/06/2005 | CA2530369A1 Access control |
| 01/06/2005 | CA2529098A1 System and method for network security and electronic signature verification |
| 01/06/2005 | CA2528128A1 Adjusting the amplitude and phase characteristics of transmitter generated wireless communication signals, in response to base station transmit power control signals and known transmitter amplifier characteristics |
| 01/05/2005 | DE10326462A1 Bereitstellen von Teilschlüsseln eines durch visuelle Kryptographie verschlüsselten Ereignisses Providing partial keys of an encrypted through visual cryptography event |
| 01/05/2005 | CN1561018A Polarization extraneous single photon waveguide phase modulator |
| 01/05/2005 | CN1183442C Content management method and content management device |
| 01/04/2005 | US6839852 Firewall system and method with network mapping capabilities |
| 01/04/2005 | US6839844 Image encryption method and device |
| 12/30/2004 | US20040268162 Electronic apparatus and power control method |
| 12/30/2004 | US20040268132 Radio frequency identification (RFID) based network access management |
| 12/30/2004 | US20040268131 Content transmitting device, content receiving device and content transmitting method |
| 12/30/2004 | US20040264695 Private and secure optical communication system using an optical tapped delay line |
| 12/30/2004 | US20040264595 System and method for reducing crest factor of signal |
| 12/29/2004 | WO2004114559A2 A system and method for generating a modified iota pulse for reducing adjacent channel interference (aci) |
| 12/29/2004 | WO2004114558A2 A system and method for generating a root raised cosine orthogonal frequency division multiplexing (rrc ofdm) modulation |
| 12/29/2004 | WO2004114553A1 Extended walsh code space for forward packet data channel in cdma system |
| 12/29/2004 | WO2004114097A2 Apparatus and method for multiple function authentication device |
| 12/29/2004 | WO2004114074A2 Transportation security system and method that supports international travel |
| 12/29/2004 | EP1490993A1 Arrangements and methods for secure data transmission |
| 12/29/2004 | EP1490992A1 Method and apparatus to maintain encryption synchronization in a multi-modulation tdm system |
| 12/29/2004 | EP1490819A1 System and method for expressing usage rights using modulated signals |
| 12/29/2004 | EP0799538B1 Scrambled information transmitting and receiving |
| 12/29/2004 | CN1558581A A light quantum real stochastic source |
| 12/29/2004 | CN1558580A A network data safety protection method based on cryptography |
| 12/29/2004 | CA2529670A1 Apparatus and method for multiple function authentication device |
| 12/29/2004 | CA2529398A1 Transportation security system and method that supports international travel |
| 12/23/2004 | WO2004112302A2 Dynamic service delivery with topology discovery for communication networks |
| 12/23/2004 | WO2004112235A2 Method and system for transmitting signals with reduced spurious emissions |
| 12/23/2004 | US20040259508 Communication method and radio communication apparatus |
| 12/23/2004 | US20040258182 Slot synchronization for a CDMA system |
| 12/23/2004 | US20040258171 OFDM receiver apparatus |
| 12/23/2004 | US20040258139 Method and apparatus for near-optimal scaling of log-likelihood ratio (LLR) computation in turbo decoding for hybrid automatic repeat request (ARQ) |
| 12/23/2004 | US20040258132 Apparatus for generating an additive white Gaussian noise |
| 12/23/2004 | CA2840432A1 Dynamic service delivery with topology discovery for communication networks |
| 12/23/2004 | CA2528648A1 Dynamic service delivery with topology discovery for communication networks |
| 12/22/2004 | EP1488566A1 Circuit arrangement for securing information exchange between a transmitter and a receiver |
| 12/22/2004 | EP1488543A1 Transmit processing using receiver functions |
| 12/22/2004 | EP1488318A2 System and method of secure garbage collection on a mobile device |
| 12/22/2004 | EP1488302A2 System and method for graphical rights expressions |
| 12/22/2004 | CN1556658A Communication terminal capable of proceeding coming information encrgption and its encryption method |
| 12/22/2004 | CN1556602A Chaotic cipher production method under limited precision |
| 12/21/2004 | US6834075 Method for improving multipath searcher speed |
| 12/16/2004 | WO2004109435A2 Methods for online clinical trial recruiting |
| 12/16/2004 | WO2004084013A3 Rights expression profile system and method |
| 12/16/2004 | US20040255129 Microprocessor apparatus and method for employing configurable block cipher cryptographic algorithms |
| 12/16/2004 | US20040252842 Microprocessor apparatus and method for providing configurable cryptographic block cipher round results |
| 12/16/2004 | US20040252841 Microprocessor apparatus and method for enabling configurable data block size in a cryptographic engine |
| 12/16/2004 | US20040252786 Method and system for transmitting signals with reduced spurious emissions |
| 12/16/2004 | US20040252775 System and method for generating a root raised cosine orthogonal frequency division multiplexing (RRC OFDM) modulation |
| 12/16/2004 | US20040252774 System and method for generating a modified IOTA pulse for reducing adjacent channel interference (ACI) in an isotropic orthogonal transfer algorithm (IOTA) orthogonal frequency division multiplexing (OFDM) system |
| 12/16/2004 | DE10324189A1 Verfahren zur Steuerung des Zugriffs auf eine Ressource einer Applikation in einer Datenverarbeitungseinrichtung A method for controlling access to a resource of an application in a data processing device |
| 12/15/2004 | EP1487141A1 Preparation of key shares of a value encrypted by visual cryptography |
| 12/15/2004 | EP1485882A2 Dynamic security system |
| 12/15/2004 | EP1127421A4 Encryption and authentication methods and apparatus for securing telephone communications |
| 12/14/2004 | US6832317 Personal computer security mechanism |
| 12/09/2004 | US20040250104 Method of processing data and data processing apparatus |
| 12/09/2004 | US20040250091 Microprocessor apparatus and method for optimizing block cipher cryptographic functions |
| 12/09/2004 | US20040250090 Microprocessor apparatus and method for performing block cipher cryptographic fuctions |
| 12/09/2004 | US20040250078 Quantization -based data hiding employing calibration and locally adaptive quantization |
| 12/08/2004 | EP1483717A1 Rights expression profile system and method using templates and profiles |
| 12/08/2004 | EP1483715A1 Method and apparatus for processing usage rights expressions |
| 12/08/2004 | EP0699360A4 Method and apparatus for signal transmission and reception |
| 12/02/2004 | WO2004105326A2 Time-triggered communication system and method for the synchronized start of a dual-channel network |
| 12/02/2004 | WO2004105281A1 Linear derivative equalizer, and associated method, for a radio communication system |
| 12/02/2004 | WO2004104780A2 Method and system for providing fraud detection for remote access services |
| 12/02/2004 | WO2004038975A3 Efficient encryption and authentication for data processing systems |
| 12/02/2004 | US20040240670 Password security utility |
| 12/02/2004 | US20040240588 Compensation for non-linear distortion in a modem receiver |
| 12/02/2004 | US20040240583 Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station |
| 12/02/2004 | US20040240571 Transmission method, transmission apparatus, and reception apparatus |
| 12/01/2004 | EP1482394A2 Method for access control to resources of an application in a computer system |
| 12/01/2004 | EP1481535A1 System and method for acoustic two factor authentication |
| 12/01/2004 | EP1127425A4 Apparatus and methods for cryptographic synchronization in packet based communications |
| 12/01/2004 | EP0927473B1 Methods and apparatus for enhanced cmea including a cmea iteration preceded and followed by transformations and employing an involutary lookup |
| 11/25/2004 | WO2004083993A3 Trusted display device for visual cryptography |
| 11/25/2004 | WO2004010630A3 Logical access block processing protocol for transparent secure file storage |
| 11/25/2004 | US20040236952 Method and apparatus for a proximity warning system |
| 11/25/2004 | US20040236717 Rights expression profile system and method |
| 11/25/2004 | US20040234117 Electronic transaction verification system |
| 11/25/2004 | DE102004019681A1 Verfahren zum Schreiben von Daten und Datenverarbeitungsgerät A method for writing data and data processing apparatus |
| 11/25/2004 | CA2525398A1 Efficient and secure data currentness systems |
| 11/24/2004 | EP1480372A1 Communication apparatus and communication system |
| 11/24/2004 | EP1479185A1 Secure visual message communication method and device |
| 11/24/2004 | CN1549490A Method and apparatus for conducting identification and speech signal secret communication |
| 11/23/2004 | US6823455 Method for robust watermarking of content |
| 11/23/2004 | US6823451 Integrated circuit for security and manageability |
| 11/18/2004 | WO2004100434A2 A transform-based alias cancellation multi-channel tuner |
| 11/18/2004 | WO2004100426A2 Wireless service points having unique identifiers for secure communication |
| 11/18/2004 | WO2004099914A2 Extranet service site and method for using same |
| 11/18/2004 | WO2004099913A2 Method and system for validating changes in medical practice, procedures and product choice |
| 11/18/2004 | WO2004012384A3 Apparatus and method for enctyption and decryption |