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US20150049588 METHOD FOR DETECTING NAVAL MINES AND NAVAL MINE DETECTION SYSTEM  
The invention concerns a group of vessels (24), having an unmanned surface vessel (3) and an unmanned underwater vessel (1, 1a), wherein the underwater vessel comprises a location device, in...
US20130003502 CONFIGURABLE ULTRASOUND MEASUREMENT LOGIC IN A MOBILE COMPUTING DEVICE  
A device, system, method, and machine readable medium for configurable ultrasound Doppler measurements from a mobile device are disclosed. In one embodiment, the device includes an oscillator...
US20110292759 Structure for marine electromagnetic sensor streamer suited for manufacturing by extrusion  
A method for making a marine electromagnetic survey streamer includes affixing connectors to longitudinal ends of a strength member. At least one signal communication line is extended along the...
US20150085606 Piston-Type Marine Vibrators Comprising a Compliance Chamber  
Disclosed are embodiments of a marine vibrator and methods of using. Embodiments of the marine vibrator may comprise a containment housing; a piston plate, wherein an internal volume of the marine...
US20130051178 RESONANTLY AMPLIFIED SHEAR WAVES  
Apparatus and methods for generating resonantly amplified ultrasound shear waves in biological tissue. The apparatus comprises a plurality of transducer elements and a controller for controlling...
US20130201791 METHOD AND SYSTEM FOR DETERMINING SOURCE SIGNATURES AFTER SOURCE GHOST REMOVAL  
Seismic data are acquired using a seismic source comprising a plurality of seismic sub-sources disposed in a body of water at a plurality of depths and activated with different time delays....
US20140064026 WAVE GLIDER WITH STREAMER ORIENTATION SENSOR  
A wave glider system includes a float having geodetic navigation equipment for determining a geodetic position and heading thereof. The glider includes an umbilical cable connecting the float to a...
US20120294117 Location System And Communication System  
A location system comprises a plurality of transponders whose locations are detectable by a base system. The base system interrogates (51-55) the transponders one at a time in accordance with a...
US20120188848 ULTRASONIC UNDERWATER PAGER  
Disclosed herein is an underwater pager configured such that a hole is not formed in the outer wall of a casing. The ultrasonic underwater pager includes an ultrasonic transducer for transmitting...
US20110103189 ANOMALY DETECTOR FOR PIPELINES  
Apparatus for locating an object in a pipeline, comprising a transmitting station having means for transmitting in the pipeline acoustic emissions having a frequency in the range from 20 KHz to...
US20120327745 ELECTRICAL SUBSTATION FAULT MONITORING AND DIAGNOSTICS  
A fault monitoring system for an electrical substation includes one or more arrays of acoustic sensors placed around a substation boundary and configured to measure acoustic pressure waves. A...
US20120218861 Sensitivity Kernal-Based Migration Velocity Analysis in 3D Anisotropic Media  
Seismic imaging systems and methods that employ sensitivity kernel-based migration velocity analysis in 3D anisotropic media may demonstrate increased stability and accuracy. Survey data analysts...
US20150029825 SYSTEM FOR ULTRASOUND LOCALIZATION OF A TOOL IN A WORKSPACE, CORRESPONDING METHOD AND PROGRAM PRODUCT  
A method for locating a tool in a work space via ultrasound includes associating an ultrasound transmitter to a tool and calculating a position of the tool on the basis of determination of the...
US20140078867 SOUND DIRECTION ESTIMATION DEVICE, SOUND DIRECTION ESTIMATION METHOD, AND SOUND DIRECTION ESTIMATION PROGRAM  
A sound direction estimation device includes a transfer function storage unit configured to store transfer functions of sound sources in correlation with directions of the sound sources, a...
US20120300592 SENDER TRANSDUCER FOR WIRELESS POWER TRANSFER  
A signal generator generates an electrical signal that is sent to an amplifier, which increases the power of the signal using power from a power source. The amplified signal is fed to a sender...
US20050219951 Finding underground animals using transducer probes  
Animals which make their home in burrows or underground are detected by multiple probes driven into the ground. The tips of the probes include thermocouples. The thermocouple readings are...
US20130064041 OSCILLATOR AND ELECTRONIC DEVICE  
In an oscillator (100), a plurality of piezoelectric vibrators (111 to 113) supported by vibrator support mechanisms (120) individually output highly directional sound waves. The plurality of...
US20100024329 System and Method for Floor Covering Installation  
Connectors for joining adjacent modular floor covering units. Embodiments of the connectors include a film and an adhesive layer coated on one side of the film. The connectors can have a...
US20070064539 Generating acoustic waves  
An example method for generating acoustic waves is disclosed. The example method includes activating at least one driver, transmitting force from the at least one driver to at least one moment...
US20080074946 Sensor mount for marine seismic streamer  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of and disposed inside the jacket. At least one seismic sensor is...
US20140010050 DISTANCE DETECTION ALARM SYSTEM  
An alarm system with a detecting device. The detecting device includes an ultrasonic sound wave transmitter and receiver. The transmitter transmits an ultrasonic sound, an object reflects the...
US20120039152 Sensor Array  
There is provided a sensor array, comprising a pair of transducers, a first transducer, configured to transmit pressure waves; and a second transducer, acoustically coupled to the first...
US20120116474 PERFORMANCE ASSESSMENT AND ADAPTATION OF AN ACOUSTIC COMMUNICATION LINK  
Systems and methods for adapting the performance of an acoustic communication link with an implantable medical device (IMD) are disclosed. An illustrative method includes initiating an acoustic...
US20150245815 ULTRASOUND TRANSDUCER AND ULTRASOUND TRANSDUCER MANUFACTURING METHOD  
An ultrasound transducer according to the invention includes: a piezoelectric element; an electrode formed on a surface of the piezoelectric element; a conductive wire including a distal end that...
US20120241167 FLOW ACTIVATED SENSOR ASSEMBLY  
A sensor assembly for detection of fluid flow signaling over a tubular conveyance. The assembly may be employed for activation of a variety of different downhole actuators such as firing heads for...
US20130242697 Sonic Borehole Caliper and Related Methods  
A method and apparatus for determining an effective cross-sectional area of a borehole including one or more sources for generating tube or Stoneley waves in the borehole; receivers for measuring...
US20100097884 WIRELESSLY ACTIVATING A UNIT OF A SUBTERRANEAN SURVEY SYSTEM FOR TESTING  
To test at least one unit of a subterranean survey system, the unit detects presence of wireless signaling of a mobile device. After the detecting, a wireless connection is established between the...
US20110176388 SWITCHING POWER SUPPLY  
The patent application describes a switching power supply, wherein the supply has a first output voltage, wherein the first output voltage was generated by a first working voltage with a first...
US20110075521 ACOUSTIC TRANSDUCER  
An acoustic transducer that enables acoustic radiation at a low frequency and that also improves efficiency of the acoustic radiation into liquid is provided. The acoustic transducer according to...
US20110261647 Resistivity Measurement Through Metal Casing Using Magnetic Field and Magnetoacoustic Phenomena  
Measurements of acoustic velocities are made through a case borehole in the absence and presence of an applied magnetic field. A formation resistivity parameter may be estimated from differences...
US20120195167 Underwater Detection Device  
An underwater detection device for detecting underwater by transmission and reception of an ultrasonic signal is provided. The device includes a transmission module for transmitting the ultrasonic...
US20140376332 Optical Fiber Well Deployment for Seismic Surveying  
Disclosed are a system, apparatus, and method for optical fiber well deployment in seismic optical surveying. Embodiments of this disclosure may include methods of deploying a spooled optical...
US20140185409 Rigid Protracted Geophysical Equipment Comprising Control Surfaces  
Disclosed are rigid protracted geophysical equipment that comprise control surfaces and associated methods of use in marine geophysical surveys. An apparatus for use in a marine geophysical survey...
US20100110829 System and Method for Reducing the Effects of Ghosts From the Air-Water Interface in Marine Seismic Exploration  
A system mechanically alters the geometry of the surface of the water by breaking the water surface with a mechanical device. The mechanical device may comprise a plurality of propellers, a...
US20110110196 Thermoacoustic device  
A thermoacoustic units includes at least one first electrode, at least one second electrode, a sound wave generator electrically connected with the at least one first electrode and the at least...
US20150138921 ACOUSTIC DISTANCE MEASURING FOR A TRAWL  
A method for determining distance between a vessel and at least one sensor module arranged on fishing gear being towed by the vessel, the at least one sensor module comprising a transmitter...
US20120294115 AUTOMATIC PROGRAMMED ACQUISITION USING DOWNHOLE SEISMIC SOURCES  
The present disclosure relates to making seismic measurements using a seismic source disposed in a wellbore. One or more seismic sources are provided and carried on a conveyance mechanism. One or...
US20130265854 VISUAL INDICATION OF TARGET TRACKING  
Awareness of a device, such as a robot, to proximate humans (or other moving object) is manifested by a visual signal aligned with—i.e., aimed at—the human. For example, an illumination system may...
US20130322209 Methods and Systems for Microseismic Mapping  
Methods and systems for the detection and localization of microseismic events are proposed which operate in real-time. Hypocenters in three spatial dimensions are provided along with an estimate...
US20130044567 METHOD FOR CALCULATING SPATIAL AND TEMPORAL DISTRIBUTION OF THE GUTENBERG-RICHTER PARAMETER FOR INDUCED SUBSURFACE SEISMIC EVENTS AND ITS APPLICATION TO EVALUATION OF SUBSURFACE FORMATIONS  
A method for evaluating fractures induced in subsurface formations includes determining hypocenters and origin times of induced seismic events from seismic signals detected by seismic sensors...
US20140098631 Coupling Device for Seismic Sensors  
A coupling device is provided for a sensor unit having at least one sensor located within a housing. The coupling device includes at least one supporting portion, wherein the supporting portion is...
US20110080807 METHOD FOR COLLISION RISK MITIGATION USING INTELLIGENT NON-INVASIVE ULTRASONIC SENSORS FOR DIRECTIONAL DRILLING  
A method of directional drilling which comprises an intelligent non-invasive ultrasonic sensors that can detect the approaching of an existing well and then can stop and redirect the directional...
US20130272092 IDENTIFICATION, DETECTION AND POSITIONING OF UNDERWATER ACOUSTIC REFLECTORS  
A method of identifying and locating an acoustic reflector is described by interrogating underwater objects with a sonar and deploying one or more of the steps of a. identifying objects that...
US20100165792 Marine seismic streamer cable with noise suppressing sensor support  
A seismic streamer includes at least one elongated strength member. The seismic streamer further includes a substantially rigid sensor holder coupled to the strength member and fixed in position...
US20070189119 System and Method for Measurement While Drilling Telemetry  
A system for transmitting information in a well comprises a tubular string disposed in the well and having a drilling fluid flowing therethrough. A pulser is disposed in the tubular string and...
US20120281504 SYSTEMS AND METHODS FOR LOW GRATING SIDELOBE SYNTHETIC APERTURE SONAR  
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) having multiple transmitters and generating orthogonal pinging sequences configured to...
US20130315035 ULTRASOUND TRANSDUCER AND METHOD FOR MANUFACTURING AN ULTRASOUND TRANSDUCER  
An ultrasound transducer includes an array of acoustic elements, an integrated circuit, and an interposer. The interposer includes conductive elements for electrically connecting the acoustic...
US20140126326 METHOD AND SEISMIC VIBRATOR GUIDANCE SYSTEM BASED ON A FIELD ACQUIRED TRAJECTORY  
A method for improving a 4-dimensional (4D) repeatability by modifying a given path to be followed by a source during a seismic survey. The method includes receiving the given path at a control...
US20130028055 HIGH DIRECTIVE ULTRASONIC TRANSDUCER  
Disclosed is a high directive ultrasonic transducer that can concentrate a radiated ultrasonic wave in one direction by making an orientation angle of the radiated ultrasonic wave small in an...
US20090296519 DETERMINING POSITIONING OF SURVEY EQUIPMENT USING A MODEL  
To performing positioning of survey equipment, measurements of acoustic signals reflected from at least one boundary of a marine environment are received. The reflected acoustic signals are...