| Patents for H04K 1 - Secret communication (16,771) |
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| 05/05/2011 | US20110107421 Method and apparatus for providing fraud detection using connection frequency thresholds |
| 05/05/2011 | US20110106539 Audio and Video Signal Processing |
| 05/05/2011 | US20110103586 System, Method and Device To Authenticate Relationships By Electronic Means |
| 05/05/2011 | US20110103585 Mobile Content Magnet |
| 05/05/2011 | US20110103584 Protection of a ciphering key |
| 05/05/2011 | US20110103583 Method and system for preserving security of sensor data and recording medium using thereof |
| 05/05/2011 | US20110103495 Communications link redundancy including multiple input, multiple output architecture |
| 05/05/2011 | US20110103494 Frame structure for support of large delay spread deployment scenarios |
| 05/05/2011 | US20110103324 Methods and apparatus for multi-user mimo transmissions in wireless communication systems |
| 05/04/2011 | EP2316180A1 Secure wiegand communications |
| 05/03/2011 | US7937760 System security agent authentication and alert distribution |
| 05/03/2011 | US7937589 Computer grid access management system |
| 05/03/2011 | US7936900 Processing data representing video and audio and methods related thereto |
| 05/03/2011 | US7936880 Method, apparatus and system for key derivation |
| 05/03/2011 | US7936879 Derivation method for cached keys in wireless communication system |
| 05/03/2011 | US7936878 Secure wireless instrumentation network system |
| 05/03/2011 | US7936877 Data transfer system, data transfer device, data recording device and data transfer method |
| 05/03/2011 | US7936872 Client proximity detection method and system |
| 05/03/2011 | US7936871 Altering the size of windows in public key cryptographic computations |
| 05/03/2011 | US7936869 Verifying digital signature based on shared knowledge |
| 05/03/2011 | US7936836 Method and apparatus for an OFDMA parallel architecture scheduler |
| 05/03/2011 | US7936835 Adaptive signal decompression |
| 05/03/2011 | US7936834 Method for transferring data from a first telecommunication device to a second telecommunication device |
| 05/03/2011 | US7936833 Method and system for efficient transmission and reception of RF energy in MIMO systems using polar modulation and direct digital frequency synthesis |
| 05/03/2011 | US7936832 Receiver apparatus of the adaptive ICI cancellation iterative receiver in wireless communication system and ICI cancellation method |
| 05/03/2011 | US7936806 Method and apparatus for multiplexing frequency hopping in a communication system |
| 05/03/2011 | US7936662 Ranging and round trip delay timing adjustment in a multi-point to point bidirectional communication system |
| 04/28/2011 | WO2011048269A1 Application of weak signal detectors using a nonlinear oscillator for controlling and synchronizing wireless sensors and actuators |
| 04/28/2011 | US20110099613 Modification of a secured parameter in a user identification module |
| 04/28/2011 | US20110099365 Methods and apparatus for multi-level dynamic security system |
| 04/28/2011 | US20110099112 Apparatus and method for conducting securing financial transactions |
| 04/28/2011 | US20110098847 Verification system and method in a document processing environment |
| 04/28/2011 | US20110096928 Wireless Communication Base Station Device, Wireless Communication Mobile Station Device, and Method for Scrambling Response Signal in ARQ |
| 04/28/2011 | US20110096927 Method and apparatus for updating an authorization key in a communication system |
| 04/28/2011 | US20110096925 Optical fiber secure communication apparatus and data encrption method therefor |
| 04/28/2011 | US20110096857 Quality control scheme for multiple-input multiple-output (mimo) orthogonal frequency division multiplexing (ofdm) systems |
| 04/28/2011 | US20110096814 Methods for carrier frequency offset detection and compensation and transmitters and receivers utilizing the same |
| 04/27/2011 | CN102034478A Voice secret communication system design method based on compressive sensing and information hiding |
| 04/26/2011 | US7934263 License management in a media network environment |
| 04/26/2011 | US7934089 System and method for processing data and communicating encrypted data |
| 04/26/2011 | US7933840 Electronic signature security system |
| 04/26/2011 | US7933616 Method of estimating the distance between two radio equipments |
| 04/26/2011 | US7933412 In-vehicle communication system and method therefor, in-vehicle communication terminal, communication method therefor, program recording medium, and program |
| 04/26/2011 | US7933408 Asynchronous download |
| 04/26/2011 | US7933404 Primitives for fast secure hash functions and stream ciphers |
| 04/26/2011 | US7933351 Channel equalizer and method of processing broadcast signal in receiving system |
| 04/26/2011 | US7933350 Channel-dependent frequency-domain scheduling in an orthogonal frequency division multiplexing communications system |
| 04/26/2011 | US7933347 Receiver and method for compensating for frequency offset of receiving signal in multi-band OFDM scheme |
| 04/26/2011 | US7933346 Base station and method for mitigating interference in a sectorized communication network |
| 04/26/2011 | US7933345 Method and apparatus for determining combining weights for MIMO receivers |
| 04/26/2011 | US7933344 OFDMA based on cognitive radio |
| 04/26/2011 | US7933343 Enhanced OFDM by use of alternating polarization states |
| 04/26/2011 | US7933342 Multipath equalization for MIMO multiuser systems |
| 04/26/2011 | US7932851 Ranging signal structure with hidden acquisition code |
| 04/26/2011 | CA2555988C Digital predistortion system and method for linearizing an rf power amplifier with nonlinear gain characteristics and memory effects |
| 04/21/2011 | US20110091038 System of providing a fixed identification of a transponder while keeping privacy and avoiding tracking |
| 04/20/2011 | CN1650559B System and method for controlled copying and moving of content |
| 04/20/2011 | CN1599265B Transmitter for transmitting signal of transmitting object |
| 04/19/2011 | US7930765 Control of consumption of media objects |
| 04/19/2011 | US7930729 Performing presence service in a wireless communication system |
| 04/19/2011 | US7930711 Apparatus and method for addressing control in a network for distributed data |
| 04/19/2011 | US7930537 Architecture for encrypted application installation |
| 04/19/2011 | US7929700 Continuous variable quantum encryption key distribution system |
| 04/19/2011 | US7929697 Secure data transmission via multichannel entitlement management and control |
| 04/19/2011 | US7929691 Use of bilinear mappings in cryptographic applications |
| 04/19/2011 | US7929690 Two non-orthogonal states quantum cryptography method and apparatus with inter-and inter-qubit interference for eavesdropper detection |
| 04/19/2011 | US7929689 Call signs |
| 04/19/2011 | US7929637 Method and apparatus for digital amplitude and phase modulation |
| 04/19/2011 | US7929629 Method and apparatus for improved channel estimation for communications signal processing |
| 04/19/2011 | US7929626 Variable power communications including rapid switching between coding constellations of various sizes |
| 04/19/2011 | US7929625 Quality of service based antenna mapping for multiple-input multiple-output communication systems |
| 04/19/2011 | US7929624 Cell ID detection in cellular communication systems |
| 04/19/2011 | US7929623 FEC in cognitive multi-user OFDMA |
| 04/19/2011 | US7929622 Method of channel estimation |
| 04/19/2011 | US7929621 Terminal demodulation apparatus and method |
| 04/19/2011 | US7929619 Methods and apparatus for using tones in a wireless communication system |
| 04/19/2011 | US7929407 Method and system for combining OFDM and transformed OFDM |
| 04/19/2011 | CA2485943C Data conversion apparatus and data conversion method |
| 04/14/2011 | WO2011044349A1 Systems and methods for transmitting media content via digital radio broadcast transmission for synchronized rendering by a receiver |
| 04/14/2011 | US20110087879 Communication network with secure access for portable users |
| 04/14/2011 | US20110085662 High utilization universal logic array with variable circuit topology and logistic map circuit to realize a variety of logic gates with constant power signatures |
| 04/14/2011 | US20110085438 Method and system for communicating multiple data signals over a single unidirectional isolation component |
| 04/14/2011 | CA2775769A1 Systems and methods for transmitting media content via digital radio broadcast transmission for synchronized rendering by a receiver |
| 04/13/2011 | EP1228590B1 Method and apparatus for transmitting signals in a communication system |
| 04/13/2011 | CN1961525B Network communication system for mobile intelligent data carrier and dynamic datagram switch |
| 04/13/2011 | CN101034972B Method and system providing scrambled content |
| 04/12/2011 | US7926100 Method for preventing unauthorized connection in network system |
| 04/12/2011 | US7926094 Secure legacy media peripheral association with authentication in a media exchange network |
| 04/12/2011 | US7926084 Signal processing apparatus and methods |
| 04/12/2011 | US7925592 System and method of using a proxy server to manage lazy content distribution in a social network |
| 04/12/2011 | US7925080 Method for identifying marked images based at least in part on frequency domain coefficient differences |
| 04/12/2011 | US7925027 Secure address proxying using multi-key cryptographically generated addresses |
| 04/12/2011 | US7925022 Device pairing via device to device contact |
| 04/12/2011 | US7925010 Message deciphering method, system and article |
| 04/12/2011 | US7925009 Hybrid data encryption |
| 04/12/2011 | US7924942 Power amplifier pre-distortion |
| 04/12/2011 | US7924941 Digital pre-distortion for orthogonal frequency division multiplexing (OFDM) signals |
| 04/12/2011 | US7924940 Communication network system, and transmission/reception apparatus, method and integrated circuit for use therein |
| 04/12/2011 | US7924935 Channel sounding in OFDMA system |
| 04/12/2011 | US7924932 Decoding system and method for digital communications |