| Patents for H04K 1 - Secret communication (16,771) |
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| 02/14/2006 | US7000119 Instruction/data protection employing derived obscuring instruction/data |
| 02/14/2006 | US7000108 System, apparatus and method for presentation and manipulation of personal information syntax objects |
| 02/14/2006 | US7000106 Methods and apparatus for kernel mode encryption of computer telephony |
| 02/14/2006 | US7000105 System and method for transparently providing certificate validation and other services within an electronic transaction |
| 02/14/2006 | US6999946 Method for computer network operation providing basis for usage fees |
| 02/14/2006 | US6999655 Optical communication system and optical communication method having confidentiality |
| 02/14/2006 | US6999589 Method and system for automatic brokered transactions |
| 02/14/2006 | US6999539 Linear derivative equalizer, and associated method, for a radio communication system |
| 02/14/2006 | US6999523 Multi-frequency transmitter using predistortion and a method of transmitting |
| 02/14/2006 | US6999520 Efficient FFT implementation for asymmetric digital subscriber line (ADSL) |
| 02/09/2006 | WO2006015108A2 Transmission and reception of reference preamble signals in ofdma or ofdm communication systems |
| 02/09/2006 | WO2006012940A1 Method for operating an enciphered radio network |
| 02/09/2006 | US20060031942 Device internet resource access filtering system and method |
| 02/09/2006 | US20060031939 Compact disc with new feature |
| 02/09/2006 | US20060031683 Single sign-on with common access card |
| 02/09/2006 | US20060031682 Information-processing apparatus, information-processing methods, recording mediums, and programs |
| 02/09/2006 | US20060029230 Recording apparatus, recording method, reproducing apparatus, and reproducing method |
| 02/09/2006 | US20060029229 QKD station with EMI signature suppression |
| 02/09/2006 | US20060029225 Method of transforming serial scrambler to parallel scrambler, parallel scrambler and double-edge-triggered register with XOR operation |
| 02/09/2006 | US20060029222 Method for accelerating cryptographic operations on elliptic curves |
| 02/09/2006 | US20060029148 Method and apparatus for training using variable transmit signal power levels |
| 02/09/2006 | US20060029143 OFDM system receiver apparatus suppressing inter-symbol interference |
| 02/09/2006 | US20060029142 Simplified narrowband excision |
| 02/09/2006 | CA2599586A1 Selectively expanding and printing indicia information |
| 02/08/2006 | EP1623523A1 Linear derivative equalizer, and associated method, for a radio communication system |
| 02/08/2006 | EP1623505A2 Fast frequency hopping with a code division multiplexed pilot in an ofdma system |
| 02/08/2006 | EP1623377A2 Methods for online clinical trial recruiting |
| 02/08/2006 | EP1208489A4 Tokenless biometric electronic debit and credit transactions |
| 02/08/2006 | EP1151371A4 Tokenless biometric electronic check transactions |
| 02/08/2006 | CN1241352C Encryption method for information in binary code |
| 02/07/2006 | US6996719 Secure password entry |
| 02/07/2006 | US6996718 System and method for providing access to multiple user accounts via a common password |
| 02/07/2006 | US6996699 Secondary processor execution kernel framework |
| 02/07/2006 | US6996545 Reproduction apparatus and reproduction method of digital video signal or audio signal |
| 02/07/2006 | US6996252 Low visibility watermark using time decay fluorescence |
| 02/07/2006 | US6996237 Apparatus and methods for including codes in audio signals |
| 02/07/2006 | US6996233 System and method for encrypting and verifying messages using three-phase encryption |
| 02/07/2006 | US6996213 Superposition of data over voice |
| 02/07/2006 | US6996188 Multiple sub-channel modulation and demodulation with arbitrarily defined channel spacing and sampling rates |
| 02/07/2006 | US6996163 Walsh-Hadamard decoder |
| 02/07/2006 | US6996159 Reducing spread spectrum noise |
| 02/07/2006 | US6996154 Low power dual protocol transceiver |
| 02/02/2006 | WO2006012523A2 Pilot tones in a multi-transmit ofdm system usable to capture transmitter diversity benefits |
| 02/02/2006 | WO2006012251A2 Method and system for associating customer information with a customer identifier |
| 02/02/2006 | WO2006012044A1 Methods and systems for encrypting, transmitting, and storing electronic information and files |
| 02/02/2006 | WO2005125072A3 Digital rights management system |
| 02/02/2006 | WO2005031986A3 Audio accessory optimization system |
| 02/02/2006 | US20060026692 Network resource access authentication apparatus and method |
| 02/02/2006 | US20060026691 Method of transmitting and reproducing content processed by various DRM systems |
| 02/02/2006 | US20060026690 Locking programming interface |
| 02/02/2006 | US20060026440 Method for securing an on-line transaction |
| 02/02/2006 | US20060026439 Method and system for generating passwords |
| 02/02/2006 | US20060026438 Anonymous aliases for on-line communications |
| 02/02/2006 | US20060026436 Method for authentication in an automation system |
| 02/02/2006 | US20060026435 Method for on-line authenticating a component provided by a supplier |
| 02/02/2006 | US20060026427 Method and system for entity authentication using an untrusted device and a trusted device |
| 02/02/2006 | US20060025081 Transmitter signal strength indicator |
| 02/02/2006 | US20060023886 Arrangement and method for adapting mobile field device |
| 02/02/2006 | US20060023885 Two-way QKD system with backscattering suppression |
| 02/02/2006 | US20060023883 System, method and apparatus for secure data transmissions within an information handling system |
| 02/02/2006 | US20060023882 Communication system and method for authentication therefor |
| 02/02/2006 | US20060023878 Modular multipliers having segmentable structure and cryptography systems utilizing same |
| 02/02/2006 | US20060023874 Method and multiline scrambled clock architecture with random state selection for implementing lower electromagnetic emissions |
| 02/02/2006 | US20060023802 Concatenated coding of the multi-band orthogonal frequency division modulation system |
| 02/02/2006 | US20060023801 Versatile system for optimizing transmit diversity in wireless communications |
| 02/02/2006 | US20060023800 OFDM signal demodulator circuit and OFDM signal demodulating method |
| 02/02/2006 | US20060023799 Apparatus for channel equalization and method thereof |
| 02/02/2006 | US20060023798 System, modem, receiver, transmitter and method for improving transmission performance |
| 02/02/2006 | DE102004010666B4 Schlüsselbitstromerzeugung Key bit stream generation |
| 02/01/2006 | EP1620983A2 A transform-based alias cancellation multi-channel tuner |
| 02/01/2006 | EP1620803A2 Trusted license removal in a content protection system for the like |
| 02/01/2006 | EP1620773A2 Pervasive, user-centric network security enabled by dynamic datagram switch and an on-demand authentication and encryption scheme through mobile intelligent data carriers |
| 02/01/2006 | CN1729495A Key synchronization in a visual cryptographic system |
| 02/01/2006 | CN1728501A Automatic system for power distribution |
| 01/31/2006 | US6993152 Hiding geo-location data through arrangement of objects |
| 01/31/2006 | US6993091 Correction of DC-offset of I/Q modulator |
| 01/31/2006 | US6992563 Method for protecting devices, specially car radios, against theft |
| 01/26/2006 | WO2006009617A2 Dynamic content-aware memory compression and encryption architecture |
| 01/26/2006 | US20060021066 Data encryption system and method |
| 01/26/2006 | US20060021065 Method and device for authorizing content operations |
| 01/26/2006 | US20060021063 Method for transmission/reception of contents usage right information in encrypted form, and device thereof |
| 01/26/2006 | US20060020817 Interactive security control system with real time activity reports |
| 01/26/2006 | US20060018482 Encryption processing method and device of a voice signal |
| 01/26/2006 | US20060018481 Computer-readable recording medium recording a wireless communication authentication program |
| 01/26/2006 | US20060018480 Method for preventing eavesdropping in wireless communication system |
| 01/26/2006 | US20060018479 Update method for wireless system of vehicle security system |
| 01/26/2006 | US20060018476 Key path generation and exchange of cryptographic keys using path length noise |
| 01/26/2006 | US20060018475 Kd systems with robust timing |
| 01/26/2006 | US20060018474 Method for transmission/reception of contents usage right information in encrypted form, and device thereof |
| 01/26/2006 | US20060018473 Method for transmission/reception of contents usage right information in encrypted form, and device thereof |
| 01/26/2006 | US20060018400 Training sequence for linearizing an rf amplifier |
| 01/26/2006 | US20060018395 Systems and methods for a multicarrier modulation system with a variable margin |
| 01/26/2006 | US20060018394 Pilot tones in a multi-transmit OFDM system usable to capture transmitter diversity benefits |
| 01/26/2006 | US20060018393 Frequency domain filtering to improve channel estimation in multicarrier systems |
| 01/26/2006 | US20060018392 Intelligent array radio architecture |
| 01/26/2006 | US20060018391 Method and apparatus of detecting isi/icsi in an ofdm system |
| 01/26/2006 | US20060018390 Method and apparatus of detecting isi/icsi in an ofdm system |
| 01/26/2006 | US20060018327 Method for the transmission of data telegrams in a switched cyclical communication system |
| 01/26/2006 | US20060016107 Photo ID cards and methods of production |
| 01/25/2006 | EP1619821A2 Security information packaging system, device, and method |