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US20140254308 IDENTIFYING REFLECTION ACOUSTIC SIGNALS  
Various implementations described herein are directed to identifying reflected acoustic signals. In one implementation, a method may include receiving initial positions of an acoustic positioning...
US20130070565 SEABED INSTALLATIONS  
There is described a method and apparatus for deploying and covering undersea seismic sensing cables to improve seismic coupling between the sensors of the cable and the seabed. The method...
US20120170405 METHOD FOR A MUD CAKE THICKNESS DETERMINATION  
The method of a mud cake thickness determination provides sending short high-frequency signals into a formation from at least two positions located at different distances from the mud cake and...
US20090268557 Method of causing the thermoacoustic effect  
A method of producing sound waves. The method includes causing a carbon nanotube structure heat, and thus causing the thermoacoustic effect.
US20090092007 IDENTIFYING AN INTERNAL MULTIPLE GENERATOR IN A SUBTERRANEAN STRUCTURE  
A technique is provided for identifying an internal multiple generator in a subterranean structure. The technique includes injecting wavefields at different levels in the subterranean structure,...
US20130265856 THERMOACOUSTIC SENSOR  
A close-proximity thermoacoustic sensor that can determine radiated ultrasound intensities by directly coupling a transducer via a coupling medium. The sensor captures the beam, converts the...
US20130110329 WATERCRAFT  
A watercraft includes a plurality of devices, a central controller, and a display device. The central controller is programmed to execute centralized control of the devices. The display device...
US20130345937 HEIGHT CONTROL  
A method and apparatus for controlling a height of an agricultural equipment component is provided. An average crop height is determined. In one embodiment, the agricultural equipment component is...
US20140126333 Doppler Angle of Attack Sensor System for Watercraft  
A watercraft angle of attack system includes sensors having a position locator; a heading sensor; a tilt sensor; an acoustic Doppler velocity sensor that measures velocity of the boat relative to...
US20120287756 PIVOTING ULTRASONIC PROBE MOUNT AND METHODS FOR USE  
A device for conducting ultrasonic inspections comprises a base. In addition, the device comprises a probe housing pivotally coupled to the base with a suspension system. Further, the device...
US20130336091 STATISTICS-BASED SEISMIC EVENT DETECTION  
Automated detection of microseismic events is performed by a system and method that provides automated calculation of one or more statistical parameters for statistics-based detection of...
US20080239873 DETECTION DEVICE, DETECTION PROGRAM AND DETECTION METHOD  
An object is detected without being constrained by the positional relationship between the object and the detecting position. A detection device includes a pseudo sound source and a monitoring...
US20130163387 Method of Controlled Pulse Driving of a Stacked PZT Bender Bar for Dipole Acoustic Radiation  
A bender bar is presented. The bender bar includes at least two pairs of piezoelectric elements arranged on an inert element to adjust the response frequency of the bender bar. In some...
US20140112106 DEVICE FOR GENERATING RADIAL ULTRASOUND OSCILLATIONS  
The invention is directed to a device for generating ultrasound oscillations. In order to be able to excite with the device oscillations in a vessel simultaneously and uniformly from several...
US20120218864 MULTICHANNEL TRANSDUCER ARRAY FOR A BATHYMETRY SONAR DEVICE  
A transducer array comprises an elongate support with first and second channels. The first channel has a bottom and a pair of opposed side walls extending from the bottom thereof. The second...
US20150016217 Methods and Systems for Streamer Anti-Twist  
Disclosed are methods and systems for enabling anti-twist functionality in marine geophysical streamers. An embodiment discloses a method comprising: towing a streamer behind a survey vessel in a...
US20070228878 Acoustic Decoupling in cMUTs  
A capacitive micromachined ultrasonic transducer (cMUT) has an acoustic decoupling feature. A cavity is introduced underneath the regular cMUT element, preferably in the substrate, to provide...
US20130070563 SONAR SCANNER  
Detecting an object using sound waves includes outputting a sound wave from a transducer, receiving an echo after outputting the sound wave, obtaining a threshold value based on the echo and...
US20140369165 Multi-Frequency Inversion of Modal Dispersions for Estimating Formation Anisotropy Constants  
Systems and methods for the estimating a plurality of anisotropic elastic constants (Cij) using borehole dispersions and refracted compressional headwave velocity at a single logging depth in a...
US20060227665 Acoustic Generator for Distance Sounding  
In the oil industry, the acoustic sounding method is a well-known technique for taking the depth measurements of particular attributes of an oil well or borehole. The method involves sending a...
US20090201764 DOWN HOLE MUD SOUND SPEED MEASUREMENT BY USING ACOUSTIC SENSORS WITH DIFFERENTIATED STANDOFF  
A method for determining a velocity of sound traveling in a fluid in a borehole, the method including: placing a logging instrument in the borehole, the instrument including a first acoustic...
US20130242706 Device Pairing with Audio Fingerprint Encodings  
A device and/or method for allowing authorization of computing device association using human-perceptible signals includes forming an association between a computing device and a further computing...
US20110305111 EARTH ANALYSIS METHODS, SUBSURFACE FEATURE DETECTION METHODS, EARTH ANALYSIS DEVICES, AND ARTICLES OF MANUFACTURE  
Earth analysis methods, subsurface feature detection methods, earth analysis devices, and articles of manufacture are described. According to one embodiment, an earth analysis method includes...
US20130215719 360 Degree Imaging Sonar and Method  
A 360-degree sonar imaging system and method are provided. The system includes a sonar transducer assembly pod with tilted mechanically scanning sonar (MSS) transducers that is deployed into the...
US20050242951 Intrusion detection device for spaces  
A highly versatile intrusion detection device for spaces in general and for vehicles in particular, comprising at least one intrusion detection sensor of the ultrasound type with an asymmetric...
US20120182833 ULTRASONIC ID READER  
A method for identifying a warhead in an aircraft launch tube includes providing a pattern of grooves on the surface of a warhead, with the pattern of grooves being associated with an...
US20100223019 Measuring Filling Level by Means of Evaluating an Echo Curve  
A method for filling level measuring comprises generating an echo curve and analysing the echo curve by means of an analysis method. The analysis method is at least one analysis method selected...
US20140022865 TEMPERATURE COMPENSATION IN A CMUT DEVICE  
CMUT devices are used in many applications e.g. for ultrasound imaging and pressure measurement. These devices operate by sensing a change in capacitance caused by deflection of a membrane (32)...
US20130229893 ULTRASOUND PROBE  
An ultrasound probe is provided that may improves specific desensitization of the frequency observed in the frequency characteristics and/or directional characteristics. The ultrasound probe...
US20120113758 DIAPHRAGM AND PROCESS FOR PRODUCING A DIAPHRAGM FOR AN ULTRASONIC TRANSDUCER  
The invention relates to a diaphragm (1) for an ultrasonic transducer having a diaphragm body (2) which is made of metallic material and is provided on an outer surface region (5; 8) with a...
US20150260867 Spatial Sampling Improvements and the Formation of Arrays Using Popcorn and Simultaneous Source Acquisition  
So-called “Popcorn shooting”, and especially continuous Popcorn shooting, combined with simultaneous source shooting allows considerable flexibility in producing high-resolution data and in...
US20090188672 Diverse Bubble Size Generation  
Method and apparatus for producing a bubble curtain with a diversity of bubble diameters for purposes such as suppressing surface-related multiple reflections in marine seismic surveys. Bubble...
US20140153360 HEAD-FLOAT AND METHOD  
Method and streamer/source head-float system for connecting to a head portion of a streamer or to a lead-in or providing information about a source. The system includes a head-buoy configured to...
US20140137473 Implementation of On-Off Passive Wireless Surface Acoustic Wave Sensor Using Coding and Switching Techniques  
Methods and systems for passive wireless surface acoustic wave devices for orthogonal frequency coded devices to implement ON-OFF sensors reusing orthogonal frequency code and distinguishing...
US20110285510 Implementation of On-Off Passive Wireless Surface Acoustic Wave Sensor Using Coding and Switching Techniques  
Methods and systems for passive wireless surface acoustic wave devices for orthogonal frequency coded devices to implement ON-OFF sensors reusing orthogonal frequency code and distinguishing...
US20110305115 UNDERWATER WIRELESS SENSOR  
An underwater wireless sensor is provided. The underwater wireless sensor comprises a floating-diving device enabling the underwater wireless sensor to dive to a first predetermined water depth in...
US20130064038 DUAL AXIS GEOPHONES FOR PRESSURE/VELOCITY SENSING STREAMERS FORMING A TRIPLE COMPONENT STREAMER  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20120269033 DUAL AXIS GEOPHONES FOR PRESSURE/VELOCITY SENSING STREAMERS FORMING A TRIPLE COMPONENT STREAMER  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20110310698 Dual Axis Geophones For Pressure/Velocity Sensing Streamers Forming a Triple Component Streamer  
A seismic streamer includes a sensor comprises an axially oriented body including a plurality of axially oriented channels arranged in opposing pairs; a plurality of hydrophones arranged in...
US20150219780 ACOUSTIC MULTI-MODALITY INVERSION FOR CEMENT INTEGRITY ANALYSIS  
Apparatus and method for characterizing a barrier installed in a borehole traversing a formation including locating an acoustic tool with a receiver and a transmitter at a location in the...
US20090231957 FRONTAL SONAR  
Frontal sonar for observing the seafloor, characterized in that it includes: elements for insonifying a seafloor area divided into M sectors, able to perform a characteristic insonification of...
US20090196120 Downhole Measurements of Mud Acoustic Velocity  
One or more acoustic transducers are used to measure ultrasonic velocities in the mud in the interior channel of a drill collar. Corrections may be applied for temperature and/or fine grain drill...
US20140016435 ACQUISITION SCHEME FOR VIBROSEIS MARINE SOURCES  
Control mechanisms, computer software and methods for driving vibrational source arrays underwater. An incoherent acquisition scheme drives individual source elements simultaneously and...
US20130100765 ACQUISITION SCHEME FOR VIBROSEIS MARINE SOURCES  
Control mechanisms, computer software and methods for driving vibrational source arrays underwater. An incoherent acquisition scheme drives individual source elements simultaneously and...
US20130100764 ACQUISITION SCHEME FOR VIBROSEIS MARINE SOURCES  
Control mechanisms, computer software and methods for driving vibrational source arrays underwater. An incoherent acquisition scheme drives individual source elements simultaneously and...
US20100008184 Method for aquiring and processing marine seismic data to extract and constructively use the up-going and down-going wave-fields emitted by the source(s)  
A method for acquisition and processing of marine seismic signals to extract up-going and down- going wave-fields from a seismic energy source includes deploying at least two marine seismic energy...
US20080165622 AUDIO SYSTEM AND RELATED METHOD INTEGRATED WITH ULTRASOUND COMMUNICATION FUNCTIONALITY  
Audio system and related method integrated with ultrasound communication functionality are provided. A communication transmitting device of proposed invention modulates a communication signal of...
US20130155817 CELL, ELEMENT OF ULTRASONIC TRANSDUCER, ULTRASONIC TRANSDUCER INCLUDING THE SAME, AND METHOD OF MANUFACTURING CELL OF ULTRASONIC TRANSDUCER  
An element of an ultrasonic transducer includes a first substrate, at least one cell of the ultrasonic transducer arranged above the first substrate, and a second substrate arranged under the...
US20070064536 Ground information processing method, ground information processing system, and earth resources system  
By nondestructively detecting a condition of ground 3 to be surveyed by using surface wave exploration means 4, using data analysis means 5 to calculate an S-wave velocity structure of the ground...
US20060067164 User identification method, user identification device, electronic apparatus, and electronic system  
A method of identifying a user, includes steps of registering, in a memory, clapping patterns of clapping of a plurality of users with a user identification for identifying each user associated...