| Patents for H04B 11 - Transmission systems employing ultrasonic, sonic or infrasonic waves (1,545) |
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| 01/04/2007 | US20070000667 Subsea Communication System and Technique |
| 01/04/2007 | DE102005040203B3 Method for acoustic data transmission e.g. for underwater measurement devices, requires operation of transmitting modules of communication device within time slots |
| 01/02/2007 | US7158447 Sonar transmitter |
| 01/02/2007 | US7158049 Wireless communication circuit |
| 01/02/2007 | US7156201 Ultrasonic rod waveguide-radiator |
| 12/27/2006 | EP1735928A2 Underwater data communication and instrument release management system |
| 12/14/2006 | US20060280034 Submarine remote surface platform |
| 12/05/2006 | US7145835 Personal sonar system |
| 11/29/2006 | EP1727305A1 Data communication apparatus |
| 11/21/2006 | US7139536 Method and apparatus for I/Q imbalance calibration of a transmitter system |
| 11/16/2006 | WO2005089225A3 Underwater data communication and instrument release management system |
| 11/15/2006 | CN1285234C Radio earphone assembly of mobile phone |
| 11/09/2006 | WO2005055442A3 High range rate signaling |
| 10/25/2006 | CN1852061A Wavelet noise-eliminating method for time frequency compactly supported signal |
| 10/17/2006 | US7123842 Ultrasonic and infrared transmitter with tunable carrier frequency |
| 10/17/2006 | US7123735 Method and apparatus to increase acoustic separation |
| 10/17/2006 | US7123162 Subsea communication system and technique |
| 10/10/2006 | US7120089 Self-contained ambient noise recorder |
| 10/05/2006 | DE102005015067A1 Signalbetätigbares Schließsystem, Sender zur Verwendung darin sowie Einlernverfahren hierfür Signalbetätigbares lock system, transmitter for use therein, and programming process therefor |
| 09/28/2006 | WO2006100660A1 Submergible storage container and platform |
| 09/20/2006 | EP1543638B1 Data transmission system and method using sound waves |
| 09/05/2006 | US7102532 Subsea communication |
| 08/31/2006 | US20060193270 Method and system for acoustic communication |
| 08/31/2006 | US20060193202 Method and apparatus for high-frequency passive sonar performance prediction |
| 08/17/2006 | US20060181421 Ultrasonic transmitter and receiver systems and products using the same |
| 08/09/2006 | EP0908019A4 Acoustic heterodyne device and method |
| 07/04/2006 | US7072315 Medium access control for orthogonal frequency-division multiple-access (OFDMA) cellular networks |
| 06/21/2006 | EP1371219A4 Data communication over a power line |
| 06/13/2006 | US7061381 Ultrasonic transmitter and receiver systems and products using the same |
| 05/25/2006 | US20060109744 System and method for computing inorganic particle suspensions by wave and current action |
| 05/18/2006 | WO2005006566A3 Adaptive audio communication code |
| 05/02/2006 | US7038780 Method for sensing acoustic energy |
| 04/26/2006 | CN1253852C Information transmission system, information encoding device and information decoding device |
| 04/26/2006 | CN1253345C Apparatus for deploying load to underwater targt position with enhanced accuracy and method to control such apparatus |
| 04/20/2006 | US20060083111 Method and apparatus for detecting submarines |
| 04/13/2006 | US20060077760 Sonar transmitter |
| 04/12/2006 | EP1121768A4 Method and device for developing a virtual speaker distant from the sound source |
| 04/11/2006 | US7027357 Acoustic communication device and acoustic signal communication method |
| 04/04/2006 | US7021146 Attitude sensor |
| 03/30/2006 | US20060066477 Dive computer with global positioning system receiver |
| 03/29/2006 | CN1753576A Electrostatic ultrasonic transducer and ultrasonic speaker |
| 03/22/2006 | CN1750716A Supersonic transducer,supersonic speaker,acoustic system and method for control supersonic transducer |
| 03/21/2006 | US7016616 Integrated circuit receiver available for infrared or ultrasonic transmission with digital filtering |
| 03/08/2006 | EP1631830A2 Dive computer with global positioning system receiver |
| 02/28/2006 | US7006407 Communication system for underwater use |
| 02/22/2006 | EP1500059A4 Ultrasonic transmitter and receiver systems and products using the same |
| 02/16/2006 | US20060034155 Acoustic/underwater signaling device |
| 02/15/2006 | CN2758886Y Low frequency ultrasonic sensor |
| 02/09/2006 | US20060028651 Method for sensing acoustic energy |
| 02/07/2006 | CA2341461C Method for transmitting information and suitable system therefor |
| 01/26/2006 | US20060018198 Acoustic fence |
| 01/26/2006 | DE102004029368A1 Verfahren zum Detektieren von Zielen A method for detecting targets |
| 01/24/2006 | CA2332875C Single point contact acoustic transmitter |
| 01/19/2006 | WO2006005938A1 Portable speaker system |
| 01/18/2006 | CN1237732C System and method for generating virtual speaker by using parametric sound system |
| 01/10/2006 | US6985782 Audio control signal transmission apparatus and reception appartus, control system and control method using an audio control signal, program information transmission apparatus and transmission method, and program reservation apparatus and program reservation method |
| 12/29/2005 | WO2005125064A1 Method for detecting targets |
| 12/28/2005 | EP1247350A4 Parametric audio system |
| 12/27/2005 | US6980487 Underwater communication system |
| 12/22/2005 | WO2005122446A1 Robust underwater communication system |
| 12/22/2005 | CA2568001A1 Robust underwater communication system |
| 12/08/2005 | US20050273008 Method of generating a predetermined wave field |
| 12/07/2005 | EP0947065B1 Marine seismic source |
| 12/06/2005 | US6972715 Dive computer with global positioning system receiver |
| 11/24/2005 | US20050261000 Method for supplying persons with updated, location-dependent information by means of acoustic and/or optical information |
| 11/22/2005 | US6967899 Method for classifying a random process for data sets in arbitrary dimensions |
| 11/17/2005 | US20050254344 Data transmission system and method using sound waves |
| 11/10/2005 | US20050248233 Parametric audio system |
| 11/09/2005 | EP1527539A4 Communication using audible tones |
| 11/01/2005 | US6960867 Installation with piezoelectric element for equipping a structure and piezoelectric element for same |
| 10/25/2005 | CA2381149C Sound communication system between a portable unit and a communication terminal |
| 10/06/2005 | WO2005093976A1 Method and device for the transmission of data and power through a wall by means of structure-borne noise |
| 09/29/2005 | US20050215894 Ultrasound system |
| 09/27/2005 | US6950681 Transmission of data by ultrasound |
| 09/22/2005 | US20050207589 Hypersonic transducer |
| 09/22/2005 | US20050207587 Parametric array modulation and processing method |
| 09/15/2005 | WO2005086393A1 Data communication apparatus |
| 09/09/2005 | WO2005015369A3 Method and apparatus for high-frequency passive sonar performance prediction |
| 08/31/2005 | CN1663154A Data transmission system and method using sound waves |
| 08/24/2005 | CN1659599A Ultrasonic transmitter and receiver systems and products using the same |
| 08/23/2005 | US6934521 System for automatically setting a portable object with a clock function |
| 08/17/2005 | EP1206729B1 System for automatically setting a portable object with a clock function |
| 08/02/2005 | US6923066 Ultrasonic transmitting and receiving apparatus |
| 07/28/2005 | DE102004063413A1 Integrierter Niederspannungs-Sende/Empfangsschalter für Ultraschallbildgebungssysteme Integrated low-voltage transmit / receive switch for ultrasound imaging systems |
| 07/14/2005 | US20050154300 Integrated low-voltage transmit/receive switch for ultrasound imaging system |
| 07/13/2005 | CN1638533A Sound heterodyne apparatus and method |
| 06/22/2005 | EP1543638A1 Data transmission system and method using sound waves |
| 06/14/2005 | US6907021 Vibration-driven wireless network |
| 05/25/2005 | EP1532758A2 Method for sensing acoustic energy |
| 05/25/2005 | EP1531729A1 Method of generating a predetermined wave field |
| 05/25/2005 | EP1105986B1 Method for transmitting information and suitable system therefor |
| 05/19/2005 | WO2005046107A2 A system and method for encoding and decoding digital data using acoustical tones |
| 05/12/2005 | WO2004080111A3 Method and system for acoustic communication |
| 05/12/2005 | US20050100117 System and method for encoding and decoding digital data using acoustical tones |
| 05/04/2005 | EP1527539A1 Communication using audible tones |
| 04/20/2005 | CN1198413C Improved infrared ray and ultrasonic wave receiver |
| 04/05/2005 | US6876598 Method for predicting propagation of sound in an ocean |
| 03/30/2005 | EP0809899A4 Apparatus and methods for accessing information relating to radio and television programs |
| 03/16/2005 | CN1193520C Apparatus capable of regulating ultrasonic wave and infrared ray carrier frequency |
| 03/15/2005 | US6868161 Transmitting/receiving device and transmitting/receiving method |