| Patents for H04B 11 - Transmission systems employing ultrasonic, sonic or infrasonic waves (1,545) |
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| 07/02/2014 | CN103905085A 一种猝发混合扩频水声隐蔽通信方法 A hybrid spread spectrum communication method covert acoustic burst |
| 07/02/2014 | CN103903368A Pos终端设备、声波支付系统及方法 Pos terminal device, the payment system and method for acoustic |
| 07/02/2014 | CN103903135A 一种声波安全支付方法及系统 One kind of sonic secure payment method and system |
| 06/26/2014 | WO2014094150A1 Downhole telemetry signal modulation using pressure pulses of multiple pulse heights |
| 06/26/2014 | US20140177394 Inter-diver signaling device and process |
| 06/25/2014 | EP2747313A1 Information terminal and communication system |
| 06/18/2014 | CN203661074U 一种多普勒效应装置 One kind of Doppler effect device |
| 06/18/2014 | CN103873154A Method for data reception of mobile phone audio frequency digital signature apparatus |
| 06/12/2014 | WO2014089294A1 System and associated methodology for proximity detection and device association using ultrasound |
| 06/12/2014 | US20140160893 Mobile device with ultrasound ranging |
| 06/12/2014 | US20140160880 Ultrasound ranging for mobile devices |
| 06/11/2014 | CN103856886A Target terminal selection method, system and mobile terminal |
| 06/11/2014 | CN103856270A Data receiving method and terminal |
| 06/11/2014 | CN103856269A Information transmitting and reading method and device based on sound waves |
| 06/11/2014 | CN102611658B Multi-channel sound wave communication system and method |
| 06/05/2014 | US20140154969 Physical presence digital authentication system |
| 06/04/2014 | CN103841314A Acoustic configuration of a wireless camera |
| 06/04/2014 | CN103840997A Method and device for establishing network connection |
| 05/28/2014 | EP2736209A1 Method and system for processing data flows |
| 05/28/2014 | DE102011101547B4 Verfahren und System zur Unterwasserkommunikation Method and system for underwater communication |
| 05/28/2014 | CN103825661A 一种连接关系建立的方法及终端 A method of establishing a connection between the terminal and |
| 05/28/2014 | CN103825660A 一种次超声波通信中编解码方法及系统 A second-codec ultrasonic communication methods and systems |
| 05/14/2014 | CN103795471A 光或声波通信方法和系统 Light or acoustic communication method and system |
| 05/08/2014 | US20140126334 Underwater acoustic navigation systems and methods |
| 05/08/2014 | US20140126330 Coiled tubing condition monitoring system |
| 05/07/2014 | CN103781190A 电子装置及其控制方法 Electronic apparatus and control method |
| 05/01/2014 | WO2014066038A1 Acoustic-electric channel construction and operation using adaptive transducer arrays |
| 05/01/2014 | US20140119161 Generation of ultra-high frequency sound |
| 04/30/2014 | CN103763039A Intelligent oven capable of being connected and communication method thereof |
| 04/30/2014 | CN103761857A Online washing machine and communication method thereof |
| 04/30/2014 | CN103761648A Sound wave payment method and related devices |
| 04/30/2014 | CN103761540A Intelligent reader-writer and communication method thereof |
| 04/30/2014 | CN103751964A Connectable intelligent treadmill and communication method thereof |
| 04/29/2014 | US8711656 Sonic fast-sync system and method for bluetooth |
| 04/29/2014 | US8711654 Random sampling for geophysical acquisitions |
| 04/24/2014 | WO2014062452A1 Wireless communications using a sound signal |
| 04/24/2014 | DE102013111531A1 Vorrichtung zur raumfilterung unter verwendung eines sendeverzögerungsunterschieds von signalen und verfahren für selbiges Apparatus for spatial filtering using a general broadcast delay difference of signals and process for selbiges |
| 04/23/2014 | EP2723005A1 Electronic apparatus and control method thereof |
| 04/17/2014 | WO2013093445A3 Acoustic telemetry |
| 04/17/2014 | US20140105329 Array system for segmenting signals and generating a complex waveform at a focal point using recombination of segmented signals |
| 04/17/2014 | US20140104989 Ultrasonic diagnostic apparatus, probe head, ultrasonic probe, electronic machine, and ultrasonic diagnostic apparatus |
| 04/17/2014 | US20140104988 Parametric transducers and related methods |
| 04/16/2014 | CN203554426U High-sensitivity supersonic wave payment starter receiving circuit |
| 04/16/2014 | CN103731166A Frequency adjustable ultrasonic emission driving device |
| 04/15/2014 | US8699300 Underwater communications |
| 04/09/2014 | EP2715953A1 Wireless power transfer |
| 04/09/2014 | CN103716072A Bluetooth device connection method, master bluetooth device and slave bluetooth device |
| 04/09/2014 | CN103714823A Integrated speech coding-based adaptive underwater communication method |
| 04/09/2014 | CN103714028A Information processing method and electronic equipment |
| 04/02/2014 | CN103699397A Sound wave transmission installation method |
| 03/26/2014 | EP2710750A1 Electronic transactions with mobile communications devices via encoded acoustic signals |
| 03/26/2014 | CN203504542U Steadily working supersonic wave emission circuit |
| 03/26/2014 | CN203503002U Ultrasonic wave-based far-field payment system |
| 03/26/2014 | CN103684620A Tap water pipeline ultrasonic communication method |
| 03/18/2014 | DE202014100360U1 Ultraschallwellendatenübertragungssystem Ultrasonic wave data transmission system |
| 03/13/2014 | US20140071793 System and method for broadband doppler compensation |
| 03/12/2014 | CN103634735A Near field communication system composed of sound wave communication and wireless communication and communication method |
| 03/12/2014 | CN102136872B Ultrasonic carrier information communication system |
| 03/11/2014 | US8670745 Prepaid charging interface enhancements enabling prepaid messaging buckets |
| 03/06/2014 | WO2014015009A3 Methods for networking consumer devices |
| 03/05/2014 | EP2704446A1 Content sharing apparatus using sound for a locality check |
| 03/04/2014 | US8665669 Acoustic signal detector |
| 02/26/2014 | CN103607747A Inter-cluster virtual backbone route protocol method based on power control |
| 02/20/2014 | WO2014028899A1 Ultrasonic transmission of signals |
| 02/20/2014 | US20140050321 Ultrasonic transmission of signals |
| 02/19/2014 | CN103596292A Method for rapid Bluetooth pairing connection through sound |
| 02/19/2014 | CN102378918B Acoustic position-determination system |
| 02/06/2014 | WO2014020348A1 Location system using ultrasound |
| 02/05/2014 | EP2692075A1 Wireless network discovery and path optimization algorithm and system |
| 02/05/2014 | EP2691606A2 Transmitter and receiver synchronization for wireless telemetry systems |
| 02/05/2014 | CN103560836A Sound wave wireless communication method and device |
| 01/30/2014 | DE102012014829A1 Method for configuration of microprocessor system used in e.g. motor car, involves converting electric signal into program code which is then transmitted to microprocessor of microprocessor system through peripheral interface adapter |
| 01/29/2014 | EP2690804A2 High voltage interface device and method based on ultrasound |
| 01/29/2014 | CN103548289A Electronic transactions with mobile communications devices via encoded acoustic signals |
| 01/28/2014 | CA2568001C Robust underwater communication system |
| 01/23/2014 | WO2014015009A2 Systems and methods for networking consumer devices |
| 01/23/2014 | WO2014015007A1 Home network of connected consumer devices |
| 01/23/2014 | WO2014015004A1 Home network of connected consumer devices |
| 01/23/2014 | WO2014014995A1 Home network of connected consumer devices |
| 01/23/2014 | WO2014014993A1 Home network of connected consumer devices |
| 01/22/2014 | CN103533584A Multichannel media access control method of hydroacoustic sensor network |
| 01/14/2014 | US8630148 Systems, methods, and apparatus to drive reactive loads |
| 01/08/2014 | CN103501201A Frequency hopping pulse bit encoding underwater acoustic communication method based on linear frequency modulation signals |
| 01/07/2014 | US8626074 Method for controlling a control station for determining a bandwidth for data communication |
| 01/07/2014 | US8625393 Portable diver apparatus, comprising a portable computing device and an add on diver device |
| 01/01/2014 | CN103490827A Message switching system and message switching method based on ultrasonic waves |
| 01/01/2014 | CN103490826A Information exchange system based on audio frequency and exchange method thereof |
| 12/27/2013 | WO2013192577A1 Systems, apparatuses, and methods for transparent and ubiquitous sensing technology |
| 12/27/2013 | WO2013192571A1 Apparatuses, systems, and methods for signal communication across an electromagnetic shield |
| 12/19/2013 | WO2013185844A1 Passive communication system and method involving ultrasound signal patterns |
| 12/19/2013 | WO2013185596A1 Audio data transmission system, audio data transmission device, and electronic signature tool |
| 12/19/2013 | WO2013185593A1 Audio data transmission method, system, transmission device, and electronic signature tool |
| 12/19/2013 | US20130339029 Remote control signaling using audio watermarks |
| 12/19/2013 | US20130336095 Sensor and a sensor system |
| 12/19/2013 | CA2876707A1 Audio data transmission system, audio data transmission apparatus, and electronic signature token |
| 12/19/2013 | CA2876702A1 Audio data transmission method, system, transmission device, and electronic signature tool |
| 12/12/2013 | US20130332355 Physical presence digital authentication system |
| 12/12/2013 | US20130329526 System and method for vibration mediated networks |
| 12/11/2013 | EP2671218A1 Arrangement and method of mounting an active element on a solid substrate |
| 12/10/2013 | US8605552 Autonomous waterproof electronic signaling device |