| Patents for H04B 11 - Transmission systems employing ultrasonic, sonic or infrasonic waves (1,545) |
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| 03/05/2015 | US20150063072 Injectable acoustic transmission devices and process for making and using same |
| 02/26/2015 | WO2015025445A1 Sound wave communication system equipped with sound wave signal output device, and portable terminal device using this system |
| 02/26/2015 | US20150055734 Medical apparatus and methods including an array system for segmenting signals and generating a complex waveform at a focal point using recombination of segmented signals |
| 02/25/2015 | EP2839594A1 Signalling device for divers |
| 02/19/2015 | WO2015023751A1 Device for language processing enhancement in autism |
| 02/19/2015 | US20150051867 Pedometer apparatus with tone code technology for wireless data transmission function |
| 02/19/2015 | US20150049587 Full-duplex ultrasonic through-wall communication and power delivery system with frequency tracking |
| 02/17/2015 | US8958580 Parametric transducers and related methods |
| 02/11/2015 | CN104349243A 音乐播放系统 Music playback system |
| 02/11/2015 | CN104348558A 一种声波通信装置、终端设备及声波通信系统 One kind of acoustic communication device, a communication system terminal equipment and acoustic |
| 02/10/2015 | US8953821 Parametric audio system |
| 02/05/2015 | US20150036464 Modulation apparatus, demodulation apparatus, audio transmission system, program, and demodulation method |
| 02/04/2015 | EP2832016A1 A full-duplex ultrasonic through-wall communication and power delivery system with frequency tracking |
| 01/27/2015 | US8942388 Modulation device and demodulation device |
| 01/27/2015 | US8942298 Data communications |
| 01/22/2015 | DE102014001171B3 Verfahren zur Bildübertragung unter Wasser A method of image transmission under water |
| 01/21/2015 | CN104301045A 一种声波通信的管道系统和方法 Piping system and method of acoustic communication |
| 01/20/2015 | US8938307 Method and apparatus for intra-body ultrasound communication |
| 01/20/2015 | US8936039 Communication apparatus, air conditioning system having the same and communication method thereof using refrigerant pipes |
| 01/15/2015 | US20150019053 Communication with an underwater vehicle |
| 01/15/2015 | US20150016228 Remote control signaling using audio watermarks |
| 01/14/2015 | CN104283696A 传播和获取信息的方法与装置 Access to information dissemination and method and apparatus |
| 01/08/2015 | US20150012441 Physical presence digital authentication system |
| 01/08/2015 | US20150012421 Electronic transactions with mobile communications devices via encoded acoustic signals |
| 01/07/2015 | EP2821994A2 Game system, information processing device, program, and storage medium |
| 01/07/2015 | EP2819918A1 Communication with an underwater vehicle |
| 01/07/2015 | CN102610890B 一种毫米波波导通信系统 A waveguide millimeter wave communication system |
| 01/07/2015 | CN102523057B 一种低频声波自由场声压校准方法 Low-frequency acoustic free-field sound pressure calibration method |
| 01/06/2015 | US8929176 Building a three-dimensional model of an underwater structure |
| 01/01/2015 | US20150003192 Self-propelled buoy for monitoring underwater objects |
| 12/31/2014 | CN204068984U 声波传输系统及其声波接收装置 Acoustic transmission system and sound wave receiving device |
| 12/31/2014 | CN104254988A 无线通信 Wireless communication |
| 12/31/2014 | CN103269252B 多频谱声表面波器件频率识别装置 Multi-spectral frequency identification device SAW devices |
| 12/24/2014 | CN204044534U 可支付手表 Affordable Watches |
| 12/24/2014 | CN104247307A 超声接收器前端 Ultrasonic receiver front end |
| 12/24/2014 | CN104246537A 无线海底地震传感器和数据收集方法 Wireless undersea seismic sensors and data collection methods |
| 12/24/2014 | CN104245500A 与水下航行器的通讯 Communication with AUV |
| 12/24/2014 | CN104243388A 基于ofdm的声波通信系统 Acoustic communication system based on ofdm |
| 12/24/2014 | CN104243052A 一种声波通信的编码、解码的方法与装置 One kind of acoustic communication encoding and decoding methods and apparatus |
| 12/18/2014 | US20140369170 Near field communication apparatus |
| 12/18/2014 | US20140369169 Acoustic wave communication system and receiver |
| 12/16/2014 | US8913463 Positioning system |
| 12/10/2014 | CN204013949U 多功能语音通信装置及其无线通信系统 Multifunctional voice communication device and a wireless communication system |
| 12/10/2014 | CN103078683B 一种文件传输方法及系统 A file transfer method and system |
| 12/09/2014 | US8908801 Array system for segmenting signals and generating a complex waveform at a focal point using recombination of segmented signals |
| 12/04/2014 | US20140359083 System and method for transmitting file based on audio signal |
| 12/04/2014 | US20140355386 Sonic communication system and method |
| 12/02/2014 | US8903576 Device, program product and computer implemented method for touchless metrology using an inertial navigation system and laser |
| 12/02/2014 | US8902077 Subsea communication system and technique |
| 11/27/2014 | US20140347958 System and method for communication between mobile devices using digital/acoustic techniques |
| 11/20/2014 | US20140344165 Ultrasonic near-field communication |
| 11/18/2014 | US8891335 Generation of ultra-high frequency sound |
| 11/13/2014 | US20140336474 Hybrid communication system for implantable devices and ultra-low power sensors |
| 11/04/2014 | US8879986 Wireless bidirectional communications between a mobile device and associated secure element using inaudible sound waves |
| 10/21/2014 | US8867315 Compliant ocean wave mitigation device and method to allow underwater sound detection with oceanographic buoy moorings |
| 10/21/2014 | US8867314 Ultrasonic probe device and its control method |
| 10/09/2014 | WO2014163390A1 Wireless sound wave communications system |
| 10/08/2014 | EP2787661A1 Near field communication implementation method and system |
| 10/07/2014 | US8854985 System and method for using ultrasonic communication |
| 10/02/2014 | WO2014154939A1 Method and apparatus for nearby group formation by combining auditory and wireless communication |
| 09/23/2014 | US8843057 Physical presence digital authentication system |
| 09/23/2014 | US8842498 Underwater acoustic array, communication and location system |
| 09/18/2014 | US20140273811 Light Display Production Strategy And Device Control |
| 09/18/2014 | US20140269210 Transducer for acoustic communications |
| 09/18/2014 | US20140269194 Three Dimensional Touch by Acoustic Waves |
| 09/16/2014 | US8837258 Method and apparatus for determining acoustic communication rate in micro-devices |
| 09/02/2014 | US8824333 Method and apparatus for full duplex serial shifting mode and switch mode data transmission |
| 08/27/2014 | EP2769492A1 Transducer for acoustic communications |
| 08/26/2014 | US8817575 Transducer for high pressure environment |
| 08/21/2014 | WO2014126630A1 System and method for broadband doppler compensation |
| 08/14/2014 | WO2014076707A3 Method and system for generation of sound fields |
| 08/13/2014 | CN203763836U 基于无线通信的信息交互装置 Based on the information exchange apparatus for wireless communication |
| 08/12/2014 | US8804461 Self-propelled buoy for monitoring underwater objects |
| 08/07/2014 | WO2014120988A1 Transmitter and receiver band pass selection for wireless telemetry systems |
| 08/07/2014 | US20140221839 Transformer-based multiplexer for ultrasound imaging system and method |
| 08/06/2014 | EP2763335A1 Transmitter and receiver band pass selection for wireless telemetry systems |
| 08/06/2014 | CN103973375A 一种信息传输方法及其设备 An information transmission method and apparatus |
| 08/06/2014 | CN103971504A 具有基于固体声的监视的电能量系统 With electrical energy system monitoring based solid sound |
| 08/06/2014 | CN103971231A 交通系统音频数据传输近场支付系统 Traffic near-field audio data transmission systems Payment Systems |
| 07/31/2014 | US20140211594 Acoustic tag having a digestible fuse |
| 07/31/2014 | US20140211593 Method and system for direct communication |
| 07/31/2014 | DE102012016755B4 Verfahren zur Übertragung eines digitalen Signals von einem Sender zu einem Empfänger Method for transmitting a digital signal from a transmitter to a receiver |
| 07/30/2014 | CN203747836U 一种基于音频信号的设置装置 A setting means the audio signal based on |
| 07/29/2014 | US8792305 Ultrasound detectors |
| 07/29/2014 | US8791789 Remote control signaling using audio watermarks |
| 07/25/2014 | DE202010018193U1 System für Präsenzdetektion System for presence detection |
| 07/24/2014 | DE102013201165A1 Elektrisches Energiesystem mit körperschallbasierter Überwachung Electric power system with structure-borne noise based monitoring |
| 07/23/2014 | CN103944848A 基于线性调频的水声抗多普勒多载波调制解调方法和装置 Based multicarrier modulation method and apparatus for underwater acoustic chirp anti Doppler |
| 07/23/2014 | CN103944648A 一种基于管道声波通信的系统装置和方法 A system apparatus and method for acoustic communication based on the pipe |
| 07/23/2014 | CN103944647A 以音讯传输方式进行数据链路的方法及导航装置 Method for data transmission in the audio link and the navigation device |
| 07/23/2014 | CN103944646A 一种超声波穿金属通信装置 An ultrasonic communication device worn metal |
| 07/23/2014 | CN103944645A 一种音频通信方法及音频终端 An audio communication method, and audio terminals |
| 07/23/2014 | CN102812651B 发送装置及方法 Transmission apparatus and method |
| 07/17/2014 | US20140201069 Transmitter, receiver, transmitting method, receiving method, communication system, communication method, program, and computer-readable storage medium |
| 07/17/2014 | DE102013200475A1 Verfahren zur Erzeugung eines Ultraschallsignals A method of generating an ultrasonic signal |
| 07/16/2014 | CN103929767A 一种基于声波或光波通信的无线网络设置方法 Wireless network setup method based on acoustic or light waves to communicate |
| 07/09/2014 | CN203706271U 一种基于声波通信的考勤装置 An acoustic communication device based on attendance |
| 07/03/2014 | WO2014104285A1 Ultrasonic-wave communication system |
| 07/03/2014 | WO2014104284A1 Ultrasonic-wave communication system |
| 07/02/2014 | CN203691612U 一种集群式多功能音频通信系统 Multifunctional audio trunked communication system |