| Patents for H04K 1 - Secret communication (16,771) |
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| 06/09/2010 | CN1578207B Information transmission system, and information sending apparatus and information receiving apparatus used therein |
| 06/08/2010 | US7735117 Context-sensitive confidentiality within federated environments |
| 06/08/2010 | US7734380 Push communications architecture for intelligent electronic devices |
| 06/08/2010 | US7734280 Method and apparatus for authentication of mobile devices |
| 06/08/2010 | US7734251 Signal processing apparatus and methods |
| 06/08/2010 | US7734051 Key distribution |
| 06/08/2010 | US7734050 Digital certificate pool |
| 06/08/2010 | US7734049 Data transmission method, user equipment and GPRS/EDGE radio access network |
| 06/08/2010 | US7734048 Cryptographic system using chaotic dynamics |
| 06/08/2010 | US7734046 Method for communicating and checking authentication data between a portable transponder device and a vehicle reader unit |
| 06/08/2010 | US7734043 Encryption key obfuscation and storage |
| 06/08/2010 | US7734042 System and method for using a streaming protocol |
| 06/08/2010 | US7733979 Average power control of wireless transmission having a variable duty cycle |
| 06/08/2010 | US7733978 Apparatus and method of dynamically adapting the LUT spacing for linearizing a power amplifier |
| 06/08/2010 | US7733971 Apparatus and method for recovering frequency in an orthogonal frequency division multiplexing system |
| 06/08/2010 | US7733970 Method and apparatus for dynamic switching of space-time coding/decoding method |
| 06/08/2010 | US7733969 Cyclic training sequence generating method, communication system and communication method |
| 06/08/2010 | US7733967 Device having communication function, method for automatically adjusting transmitter, system and program |
| 06/08/2010 | US7733966 System and method for space diversified linear block interleaving |
| 06/08/2010 | US7733939 Low-rate long-range mode for OFDM wireless LAN |
| 06/03/2010 | US20100138930 System and Method of Secure Garbage Collection on a Mobile Device |
| 06/03/2010 | US20100138672 Raid controller, storage control device, and storage control method |
| 06/03/2010 | US20100138659 Electronic notary |
| 06/03/2010 | US20100135492 Anti-theft system and method for mobile phone |
| 06/03/2010 | US20100135491 Authentication method |
| 06/03/2010 | US20100135488 Svc encryption apparatus and method and contents providing system and method |
| 06/03/2010 | US20100135427 Cofdm demodulator with an optimal fft analysis window positioning |
| 06/03/2010 | US20100135424 Communication apparatus |
| 06/03/2010 | US20100135420 Antenna multiplexing system and method of smart antenna and multiple-input multiple-output antenna |
| 06/03/2010 | US20100135228 Communication apparatus, communication method, and computer program for making computer execute communication method |
| 06/03/2010 | US20100135192 Array Antenna System in Base Station |
| 06/03/2010 | US20100134280 Tracking system with redundant security and retransmission features |
| 06/02/2010 | CN101720536A Construction payment management systems and methods with specified billing features |
| 06/02/2010 | CN101720535A Consolidated payment options |
| 06/01/2010 | US7729494 Squared Weil and Tate pairing techniques for use with elliptic curves |
| 06/01/2010 | US7729445 Digital outphasing transmitter architecture |
| 06/01/2010 | US7729444 Method and apparatus for transmitting data in a time division duplexed (TDD) communication system |
| 06/01/2010 | US7729435 Null detection in DAB, T-DMB, and DAB-IP systems |
| 05/27/2010 | US20100131767 Methods for Audio Watermarking and Decoding |
| 05/27/2010 | US20100130170 Femtocell local breakout management services |
| 05/27/2010 | US20100128921 Digital Watermarking of Low Bit Rate Video |
| 05/27/2010 | US20100128874 Encryption / decryption in parallelized data storage using media associated keys |
| 05/27/2010 | US20100128758 Transmission method, transmission apparatus, and reception apparatus |
| 05/26/2010 | EP2189934A2 Secure messaging system and method for effecting a financial transaction therein |
| 05/26/2010 | EP1374464B1 Method and apparatus for camouflaging of data, information and functional transformations |
| 05/26/2010 | CN1943161B Modulator timing for quantum key distribution |
| 05/26/2010 | CN101715634A System and method for implementing content protection in a wireless digital system |
| 05/25/2010 | US7725932 Restricting communication service |
| 05/25/2010 | US7725821 Managing electronic documents utilizing a digital seal |
| 05/25/2010 | US7725716 Methods and systems for encrypting, transmitting, and storing electronic information and files |
| 05/25/2010 | US7724920 Digital authentication with analog documents |
| 05/25/2010 | US7724919 Methods and systems for steganographic processing |
| 05/25/2010 | US7724903 Framing of transmit encoded data and linear feedback shifting |
| 05/25/2010 | US7724902 Faceplate for quick removal and securing of encryption device |
| 05/25/2010 | US7724898 Cryptography using finite fields of odd characteristic on binary hardware |
| 05/25/2010 | US7724897 Program converter, encrypting device, and encrypting method |
| 05/25/2010 | US7724896 Method for transmitting messages between an emitter and at least on receiver and system for implementing said method |
| 05/25/2010 | US7724832 MIMO decoding |
| 05/25/2010 | US7724803 Predictive collision avoidance in macrodiverse wireless networks with frequency hopping using switching |
| 05/25/2010 | US7724639 Method of bit allocation in a multicarrier symbol to achieve non-periodic frequency diversity |
| 05/20/2010 | US20100124333 System and Method for Processing Encoded Messages for Exchange with a Mobile Data Communication Device |
| 05/20/2010 | US20100124329 Encrypted communication between printing system components |
| 05/20/2010 | US20100124295 Pseudo-differential interfacing device having a termination circuit |
| 05/20/2010 | DE112008001530T5 Kontaktlose multispektrale Biometrieerfassung Contactless multispectral biometric acquisition |
| 05/19/2010 | EP2186238A1 Apparatus and method for conducting secure financial transactions |
| 05/19/2010 | EP2186237A1 System and methods for multi-platform trading card game |
| 05/19/2010 | EP2186210A1 Near field communications system having enhanced security |
| 05/19/2010 | EP2043377B1 A sector base station |
| 05/19/2010 | CN101014060B Voice encryption method for GSM handset with anti longterm prediction rule pulse excitation compression coding |
| 05/18/2010 | US7721329 Method and apparatus for trust-based, fine-grained rate limiting of network requests |
| 05/18/2010 | US7721113 Data alteration detecting method, data alteration detecting device and data alteration detecting program |
| 05/18/2010 | US7721105 Repurposing digitally signed information |
| 05/18/2010 | US7721088 Terminal device, server device, and content distribution system |
| 05/18/2010 | US7720767 Method and system to support dynamic rights and resources sharing |
| 05/18/2010 | US7720255 Methods and apparatus to process video and audio media |
| 05/18/2010 | US7720250 Method and apparatus for watermarking stream data |
| 05/18/2010 | US7720228 Modulator autocalibration methods for quantum key distribution |
| 05/18/2010 | US7720227 Encryption method for SIP message and encrypted SIP communication system |
| 05/18/2010 | US7720226 Private and secure optical communication system using an optical tapped delay line |
| 05/18/2010 | US7720225 Table splitting for cryptographic processes |
| 05/18/2010 | US7720221 Privacy-enhanced e-passport authentication protocol |
| 05/18/2010 | US7720220 Cipher message assist instruction |
| 05/18/2010 | US7720219 Apparatus and method for implementing a hash algorithm word buffer |
| 05/18/2010 | US7720175 Apparatus and method for reducing peak-to-average power ratio in an OFDM communication system |
| 05/18/2010 | US7720174 Multi-stage code generator and decoder for communication systems |
| 05/18/2010 | US7720164 Transmission scheme for uplink access in a FDMA system |
| 05/18/2010 | US7720163 Method and device for notching the transmission band of an analog signal, in particular an MB-OFDM signal |
| 05/18/2010 | US7720162 Partial FFT processing and demodulation for a system with multiple subcarriers |
| 05/18/2010 | US7719736 Components for optical qubits in the radio frequency basis |
| 05/13/2010 | US20100119070 Method and System for Mixed Symmetric and Asymmetric Decryption of .ZIP Files |
| 05/13/2010 | US20100119068 Digital File Anti pirating |
| 05/13/2010 | US20100119000 Method and apparatus for adjusting power control mode in wireless communication system |
| 05/13/2010 | US20100118996 Methods and systems for location-based allocation of macro cell resources |
| 05/13/2010 | US20100118994 Digital transmission system for transmitting additional data and method thereof |
| 05/13/2010 | US20100118991 Method For Allocating Radio Resource In Wireless Communication System And Method For Transmitting Or Receiving Data Using The Same |
| 05/13/2010 | US20100118989 Employing cell-specific and user entity-specific reference symbols in an orthogonal frequency-division multiple access |
| 05/12/2010 | CN1711708B Method and apparatus for rake combining based upon signal to interference noise ratio |
| 05/11/2010 | US7716723 System and method for network user authentication |
| 05/11/2010 | US7716491 Generation and management of customer pin's |
| 05/11/2010 | US7716480 Property-based data authentication mechanism |