| Patents for H04K 1 - Secret communication (16,771) |
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| 08/23/2011 | US8005223 System and method for exchanging encryption keys between a mobile device and a peripheral device |
| 08/23/2011 | US8005222 Radio communication system, radio communication device, radio communication method, and computer program |
| 08/23/2011 | US8005218 Authorization and authentication of user access to a distributed network communication system with roaming feature |
| 08/23/2011 | US8005217 Method and apparatus for configuring nodes in a wireless network |
| 08/23/2011 | US8005214 Data transmission system |
| 08/23/2011 | US8005212 Device and method for performing a cryptoalgorithm |
| 08/23/2011 | US8005211 Shuffle-decrypting legitimacy certifying apparatus and method, shuffle-decrypting verifying apparatus and method, program, and recording medium |
| 08/23/2011 | US8005210 Modulus scaling for elliptic-curve cryptography |
| 08/23/2011 | US8005209 Invariance based concurrent error detection for the advanced encryption standard |
| 08/23/2011 | US8005162 Dynamic digital pre-distortion system |
| 08/23/2011 | US8005157 Correlation calculation unit and correlation calculation apparatus |
| 08/23/2011 | US8005155 Frame synchronization in orthogonal frequency-division multiplexing systems |
| 08/23/2011 | US8004542 Video composition apparatus, video composition method and video composition program |
| 08/23/2011 | CA2488247C Content distribution service providing system and content distribution device and user terminal device thereof |
| 08/18/2011 | WO2011100542A1 Low overhead pmi and cqi feedback and pairing schemes for mu-mimo |
| 08/18/2011 | US20110200192 Secure key distribution for optical code division multiplexed based optical encryption |
| 08/17/2011 | CN1564504B Chaos coding/decoding method of data stream and modularized circuit |
| 08/16/2011 | US8001608 Secure streaming container |
| 08/16/2011 | US8001489 Element persistent identification |
| 08/16/2011 | US8001381 Method and system for mutual authentication of nodes in a wireless communication network |
| 08/16/2011 | US8001376 Fixed client identification system for positive identification of client to server |
| 08/16/2011 | US8000518 Methods, objects and apparatus employing machine readable data |
| 08/16/2011 | US8000467 Data parallelized encryption and integrity checking method and device |
| 08/16/2011 | US8000409 Method and apparatus for improving power amplifier efficiency in wireless communication systems having high peak to average power ratios |
| 08/16/2011 | US8000408 Loop delay and gain control methods in closed-loop transmitters and wireless devices |
| 08/16/2011 | US8000401 Signal generation using phase-shift based pre-coding |
| 08/16/2011 | US8000400 OFDM receiving method and apparatus |
| 08/16/2011 | US8000399 Adaptive joint channel estimation and data demodulation for OFDM systems |
| 08/16/2011 | US8000398 Time division synchronous orthogonal frequency division multiplexing supporting frequency division multiple access |
| 08/16/2011 | US8000376 Adjusting a transmit time of a wireless device |
| 08/16/2011 | US8000309 Method for transmitting signal and method for receiving signal |
| 08/11/2011 | US20110194696 Secure protocol terminal adapter |
| 08/11/2011 | US20110194692 Voice-over internet protocol (voip) scrambling mechanism |
| 08/11/2011 | US20110194686 Method of encrypting and transmitting data and system for transmitting encrypted data |
| 08/10/2011 | EP1421731B1 Compensation for non-linear distortion in a modem receiver |
| 08/09/2011 | US7996911 Memory card |
| 08/09/2011 | US7996861 Flexible interface for secure input of pin code |
| 08/09/2011 | US7996687 Product for providing a scalable trusted platform module in a hypervisor environment |
| 08/09/2011 | US7996673 System, method and computer product for sending encrypted messages to recipients where the sender does not possess the credentials of the recipient |
| 08/09/2011 | US7996376 Method and apparatus for managing session data across multiple applications |
| 08/09/2011 | US7996325 Microbilling using a trust management system |
| 08/09/2011 | US7995760 Method for ensuring data transmission security, communication system and communication device |
| 08/09/2011 | US7995759 System and method for parallel compression of a single data stream |
| 08/09/2011 | US7995757 Closed galois field combination |
| 08/09/2011 | US7995756 Mobile device playback and control of media content from a personal media host device |
| 08/09/2011 | US7995750 Privacy-preserving concatenation of strings |
| 08/09/2011 | US7995749 Cryptographic system configured for extending a repetition period of a random sequence |
| 08/09/2011 | US7995666 Frame synchronization method and apparatus |
| 08/09/2011 | US7995665 Method and apparatus for reception in a multi-input-multi-output (MIMO) orthogonal frequency domain modulation (OFDM) wireless communication system |
| 08/09/2011 | US7995662 CQI reporting techniques for OFDMA wireless networks |
| 08/09/2011 | US7995661 Systems and methods for conserving the power supply of a communications device |
| 08/09/2011 | US7994898 Portable access device |
| 08/04/2011 | US20110191585 Device Authentication |
| 08/04/2011 | US20110188657 Method for connecting wireless communications, wireless communications terminal and wireless communications system |
| 08/04/2011 | US20110188655 Method to manage members of at least one group of decoders having access to broadcast data |
| 08/04/2011 | US20110188653 Communication system and device |
| 08/04/2011 | US20110188586 Scalable high speed mimo-satellite communication system |
| 08/02/2011 | US7992216 Message service indication system and method |
| 08/02/2011 | US7992169 Signal processing apparatus and methods |
| 08/02/2011 | US7992007 Dynamic pin pad for credit/debit/ other electronic transactions |
| 08/02/2011 | US7991184 Apparatus to process images and video |
| 08/02/2011 | US7991182 Methods for steganographic encoding media |
| 08/02/2011 | US7991162 Accelerating scalar multiplication on elliptic curve cryptosystems over prime fields |
| 08/02/2011 | US7991160 Method and system for securing wireless communications |
| 08/02/2011 | US7991153 Glyph encryption system and related methods |
| 08/02/2011 | US7991152 Speeding up Galois Counter Mode (GCM) computations |
| 08/02/2011 | US7991074 Processing transmission signals in radio transmitter |
| 08/02/2011 | US7991072 Multi-carrier modem transmitter with controlled transmit signal quality degradation for improving stability of operation |
| 08/02/2011 | US7991064 Radio parameter group generating apparatus, transmitter and receiver |
| 08/02/2011 | US7991063 Transmission symbols mapping for antenna diversity |
| 08/02/2011 | US7991062 Apparatus and method for transmitting a sub-channel signal in a communication system using an orthogonal frequency division multiple access scheme |
| 08/02/2011 | US7991061 Transmitting device and control method thereof |
| 08/02/2011 | US7991057 Apparatus and method for generating ranging pseudo noise code |
| 07/28/2011 | US20110185193 De-sequencing encoded data slices |
| 07/28/2011 | US20110182468 Verification system and method in a document processing environment |
| 07/28/2011 | US20110182428 Secure communication over passive optical network (pon) with quantum encryption |
| 07/28/2011 | US20110182426 Dynamic Group Creation for Managed Key Servers |
| 07/27/2011 | EP1629617B1 Method and system for providing fraud detection for remote access services |
| 07/27/2011 | CN101218778B Delivering policy updates for protected content |
| 07/26/2011 | US7987502 Secure streaming container |
| 07/26/2011 | US7987367 Method and apparatus for key agreement between devices using polynomial ring |
| 07/26/2011 | US7987094 Audio encoding to convey auxiliary information, and decoding of same |
| 07/26/2011 | US7986845 Steganographic systems and methods |
| 07/26/2011 | US7986807 Signal embedding and detection using circular structures in a transform domain of a media signal |
| 07/26/2011 | US7986780 Privacy-preserving substring creation |
| 07/26/2011 | US7986779 Efficient elliptic-curve cryptography based on primality of the order of the ECC-group |
| 07/26/2011 | US7986778 Cryptographic method and apparatus |
| 07/26/2011 | US7986773 Interactive voice response system security |
| 07/26/2011 | US7986749 Method and apparatus for performing fast power control in a mobile communication system |
| 07/26/2011 | US7986737 Method for estimating the symbols of a digital signal and receiver for implementing said method |
| 07/26/2011 | US7986736 Ultra wideband baseband chip with intelligent array radio and method of use thereof |
| 07/21/2011 | US20110176677 Multi-party variance multiplication device, multi-party variance multiplication system and method |
| 07/21/2011 | US20110176623 Matrix power amplifiers for high speed wireless applications |
| 07/19/2011 | US7983443 Methods for managing content using intentional degradation and insertion of steganographic codes |
| 07/19/2011 | US7983440 Selection of I-frames for client-side watermarking |
| 07/19/2011 | US7983420 Imaging job authorization |
| 07/19/2011 | US7983419 Wireless device to network server encryption |
| 07/19/2011 | US7983415 Method for performing iterative scalar multiplication which is protected against address bit attack |
| 07/19/2011 | US7983355 System and method for RF signal combining and adaptive bit loading for data rate maximization in multi-antenna communication systems |
| 07/19/2011 | US7983350 Downlink subchannelization module |