Patents
Patents for H04B 11 - Transmission systems employing ultrasonic, sonic or infrasonic waves (1,545)
07/2008
07/01/2008US7394724 System for detecting, tracking, and reconstructing signals in spectrally competitive environments
06/2008
06/26/2008WO2008075092A1 Data transfer
06/24/2008US7391872 Parametric audio system
06/19/2008US20080144442 Apparatus, systems and methods for seabed data acquisition
06/18/2008CN101203062A Method for numeral sound signal processing and digital type sound frequency directional loudspeaker
06/12/2008WO2008070505A1 Two way device free communications system
06/04/2008EP1927201A2 Underwater acoustic positioning system and method
05/2008
05/28/2008CN100391131C Method for transmitting information and suitable system therefor
05/15/2008US20080112266 Seabed Resource Exploration System and Seabed Resource Exploration Method
05/06/2008US7367945 Ultrasound system
04/2008
04/30/2008EP1915656A1 Automation network field device using ultrasound communication link
04/24/2008US20080093952 Hypersonic transducer
04/22/2008US7362657 Aquatic object detection and disruption system
04/10/2008WO2008043064A1 Pedestrian warning system
04/10/2008WO2008042556A2 Autonomous ocean bottom seismic node recording device
04/09/2008EP1908682A1 Arrangement of an accoustic array with a sound velocity meter
04/03/2008US20080080318 Autonomous ocean bottom seismic node recording device
04/03/2008DE10356092B4 Hörgerät mit drahtlosem Übertragungssystem Hearing aid with wireless transmission system
04/02/2008EP1906696A1 Information providing system
03/2008
03/25/2008US7349481 Communication using audible tones
03/25/2008US7349292 Increased effective aperture for receive arrays
03/19/2008CN101147343A Method and system for multi-carrier packet communication with reduced overhead
03/12/2008CN201033550Y Motor vehicle running answering machine
03/11/2008US7343017 System for playback of pre-encoded signals through a parametric loudspeaker system
03/05/2008CN100373827C Noise silencer and Noise reduction method
02/2008
02/05/2008US7328236 Method and system for accessing information and/or data available on a wide area computer network
01/2008
01/24/2008WO2008010306A1 Ultrasonic measuring device, and ultrasonic measuring method
01/24/2008US20080018429 Passive ultrasonic tag and method and system for reading recorded information
01/23/2008CN101111095A Sound frequency directional loudspeaker system based on consumer electronic equipments
01/23/2008CN100364366C Transmission/receiving device and transmission/receiving method
01/22/2008US7321529 Shuffle device and central control device provided with the shuffle device
01/01/2008US7314445 Integrated low-voltage transmit/receive switch for ultrasound imaging system
12/2007
12/27/2007US20070297290 Systems and Methods for Providing Connectivity in an Underwater Environment
12/27/2007US20070297289 Underwater navigation by aided light sensor
12/26/2007EP1631830A4 Dive computer with global positioning system receiver
12/25/2007US7313381 Sim based authentication as payment method in public ISP access networks
12/25/2007US7313242 Hypersonic transducer
12/18/2007US7310286 System for undersea digital acoustic communications
12/11/2007US7307915 Seismic modem
11/2007
11/29/2007US20070276235 Data communication apparatus
11/22/2007WO2007131264A1 Remote sensing of underwater acoustic fields
11/21/2007EP1500059B1 Ultrasonic transmitter and receiver systems and products using the same
11/20/2007US7298853 Parametric virtual speaker and surround-sound system
11/15/2007US20070263782 Apparatus and method of managing POTS lines in a PON network
11/06/2007CA2283525C Electronic communications system and method
10/2007
10/31/2007EP1735928A4 Underwater data communication and instrument release management system
10/25/2007US20070247278 Remote control signaling using audio watermarks
10/03/2007EP1378078B1 Underwater communication system
10/02/2007US7277359 Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor
09/2007
09/27/2007US20070223313 Seismic modem
09/26/2007EP1835964A2 Leadless cardiac system for pacing and arrhythmia treatment
09/18/2007US7272075 Personal sonar system
09/11/2007US7269097 Method for recovering data from a large array of lost-cost sensors
08/2007
08/30/2007WO2007097157A1 Acoustic signal transmission system, modulation device, demodulation device, and acoustic signal transmission method
08/29/2007CN101025846A Ultrasonic transmitter and receiver systems and products using the same
08/16/2007WO2007076039A3 Communications and power harvesting system for in-pipe wireless sensor networks
08/16/2007US20070189120 Housing mechanism for electronic device
08/02/2007DE102007003186A1 Akustisches Zweiwegdatenkopplungssystem und Verfahren Acoustic Zweiwegdatenkopplungssystem and procedures
08/02/2007DE102007002200A1 Akustisches Datenkopplungssystem und Verfahren Acoustic data link system and method
07/2007
07/31/2007CA2401587C Apparatus for deploying a load to an underwater target position with enhanced accuracy and a method to control such apparatus
07/19/2007US20070167816 System and method for optical data transmission in ultrasound imaging
07/19/2007US20070165489 Underwater sounding method and apparatus
07/17/2007US7245559 Acoustic fence
07/11/2007CN1998167A Robust underwater communication system
07/05/2007WO2007076039A2 Communications and power harvesting system for in-pipe wireless sensor networks
06/2007
06/28/2007WO2007073214A1 A transducer interface system
06/14/2007WO2007066137A1 Improvements in data communications
06/14/2007CA2632726A1 Improvements in data communications
06/12/2007US7231175 Music information system for obtaining information on a second music program while a first music program is played
06/12/2007US7230881 Submarine remote surface platform
06/07/2007US20070127316 Personal sonar system
05/2007
05/31/2007WO2007060223A1 Doppler tracking method and device for a wide band modem
05/30/2007CN1972525A Ultra directional speaker system and signal processing method thereof
05/15/2007US7218574 High range rate signaling
05/10/2007US20070104031 Navigation processor, a system comprising such a navigation processor and a method of controlling an underwater system by such a navigation processor
05/03/2007WO2007022233A3 Underwater acoustic positioning system and method
04/2007
04/19/2007WO2007043376A1 Modulation device, modulation method, demodulation device, and demodulation method
04/19/2007US20070086273 Protective housing for an audio device
04/05/2007WO2007038750A1 Method and system for multi-carrier packet communication with reduced overhead
04/05/2007US20070076527 Multi-functional device and method for marine signaling and survival
03/2007
03/29/2007US20070070814 Method and apparatus for acoustic system having a transceiver module
03/29/2007US20070070813 Housing for accommodating an audio device for underwater use
03/28/2007EP1766815A1 Robust underwater communication system
03/28/2007EP1532758A4 Method for sensing acoustic energy
03/22/2007WO2004005953A3 Dive computer with global positioning system receiver
03/14/2007CN1930807A Data communication apparatus
03/13/2007US7190636 Diving suit and environmental detecting system
03/06/2007US7187718 System and method for encoding and decoding digital data using acoustical tones
03/06/2007US7187623 Underwater data communication and instrument release management system
03/06/2007US7187619 Method and apparatus for high-frequency passive sonar performance prediction
02/2007
02/28/2007EP1756983A1 Method for detecting targets
02/22/2007WO2007019992A1 Automation network field device using ultrasound communication link
02/22/2007DE19581716B4 Verfahren und Einrichtung für ein Doppler-Empfangs-Strahlformersystem Method and apparatus for a Doppler receive beamformer
02/21/2007EP1755242A2 Data transmission by means of audible sound waves
02/07/2007EP1750423A1 Vibratory data communication between devices
02/06/2007US7173880 Arrangement with an acoustic array with a sound velocity meter
01/2007
01/25/2007WO2007009937A1 Bi-directional communication between an acoustic danger-warning unit and at least one other unit
01/24/2007EP1746552A1 Bi-directional communication between an acoustic hazard detecting unit and at least a further unit
01/16/2007US7164906 System and method of music generation
01/16/2007US7164622 Acoustic propagation delay measurements using transmission of known broad bandwidth waveforms
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