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US20100254216 Multiwing Surface Free Towing System  
A technique for seismic surveying is presented in which a towed array, marine seismic spread, includes a plurality of streamers and a deflector system. The deflector system laterally spreads the...
US20110305114 SEISMIC SURVEY COMMUNICATION SYSTEMS AND METHODS  
An embodiment of the invention may extend the range of wireless communications in a seismic acquisition survey. The embodiment may leverage the infrastructure of a hard-wired communications...
US20140177391 Acoustic Isolators  
Acoustic isolators are disclosed herein. An example apparatus includes a transmitter to transmit an acoustic signal. The example apparatus also includes an acoustic isolator substantially...
US20100309751 SONAR SYSTEM AND PROCESS  
A sonar system and method of use capable of discriminating a direct acoustic signal present at 60 dB or more above the acoustic echo signal.
US20120281505 SYSTEMS AND METHODS FOR HIGH COVERAGE RATE SYNTHETIC APERTURE SONAR  
The systems and methods described herein relate to systems and methods for synthetic aperture sonar (SAS) or radar including the use of orthogonal signals with SAS.
US20130064043 COMPACT, ENERGY-EFFICIENT ULTRASOUND IMAGING PROBES USING CMUT ARRAYS WITH INTEGRATED ELECTRONICS  
A CMUT on CMOS imaging chip is disclosed. The imaging chip can use direct connection, CMOS architecture to minimize both internal and external connection complexity. Intelligent power management...
US20150109888 TRANSMIT/RECEIVE CHANNEL FOR ULTRASOUND APPLICATIONS  
A device voltage shifter includes a first voltage reference node, a second voltage reference node, an output node and a clamp node. A first high-voltage switching transistor of the voltage shifter...
US20060285440 Composite anti-tamper container with embedded devices  
A design and manufacturing methods for reusable, stackable shipping containers made from composite materials is described. The composite material is embedded with optical fibers, data and...
US20130242694 STEERING SUBMERSIBLE FLOAT FOR SEISMIC SOURCES AND RELATED METHODS  
Seismic sources including a steerable submersible float and related methods are provided. A seismic source includes a submersible float and a plurality of individual sources. The submersible float...
US20140098637 Propagating Fracture Plane Updates  
Systems, methods, and software can be used to update fracture planes based on microseismic data from a fracture treatment. In some aspects, a first fracture plane is updated based on a...
US20130321826 MOTION SENSING METHOD FOR DETERMINING WHETHER TO PERFORM MOTION SENSING ACCORDING TO DISTANCE DETECTION RESULT AND RELATED APPARATUS THEREOF  
A motion sensing method for an object includes: receiving a distance detection result which is used for indicating distance detection information of the object in a neighborhood of a motion...
US20080298175 Waterproof Membrane Cover for Acoustic Arrays in Sodar Systems  
A waterproof or water-resistant membrane cover for the acoustic transducer array of a sodar system. The membrane is placed over each transducer of the array. The membrane may be spaced from the...
US20140323861 ULTRASOUND DIAGNOSIS APPARATUS, ULTRASOUND PROBE, OPERATING METHOD OF ULTRASOUND DIAGNOSIS APPARATUS, AND OPERATING METHOD OF ULTRASOUND PROBE  
Provided are an ultrasound probe and an operating method of the ultrasound probe which can select a power transmission channel and/or a wireless power transmission method that are most appropriate...
US20100002539 ZERO-OFFSET SEISMIC TRACE CONSTRUCTION  
Described are methods for obtaining seismic signals representative of properties of the earth's interior, including the steps of obtaining near-field acoustic signals recorded in the vicinity of a...
US20140092708 PLURAL-DEPTH BURIED SEISMIC SENSORS ACQUISITION SYSTEM AND METHOD  
A system for collecting seismic data includes plural seismic sensors. The seismic sensors are buried underground. In one application, a first set of seismic sensors are buried at a first depth and...
US20110292766 Estimating Anisotropic Parameters  
A method for processing seismic data. The method includes performing a plurality of stochastic simulations for one or more rock model parameters to generate one or more anisotropic parameters for...
US20130173057 Long-Range Sonar  
A long-range sonar assembly for detecting objects approximately 2.5-9.5 meters from a robotic device. The assembly includes a printed circuit board including a local controller operably connected...
US20070258320 System for seismic sensor mounting in a 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 the jacket, and is disposed inside the jacket. At least one...
US20070159923 Acoustic Lure Tracking System  
A fishing lure tracking system includes a sending unit which sends a coded acoustic signal to a hydrophone attached to a fishing vessel to provide a signal correlating to the depth of the sending...
US20090245025 Underwater communications  
An environmental monitoring system including at least one underwater measurement device and a transmitter for transmitting data from the measurement device to an above water station using a...
US20150117148 MARINE STREAMER INERTIAL NAVIGATING DRAG BODY  
A sensor streamer drag body system. At least some of the example embodiments include a system having a sensor streamer towable behind a vessel in a body of water, the sensor streamer defining a...
US20050249039 Rapidly deployable, three-dimensional seismic recording system  
A mobile, easily deployable, three-dimensional seismic recording system suitable for shallow seismic reflection or refraction surveys. The system comprises a towing unit, a reel assembly system, a...
US20130003498 METHOD FOR ESTIMATING AN UNDERWATER ACOUSTIC SOUND VELOCITY IN A NETWORK OF ACOUSTIC NODES, CORRESPONDING COMPUTER PROGRAM PRODUCT, STORAGE MEANS AND DEVICE  
A method for estimating an underwater acoustic sound velocity in a network of acoustic nodes arranged along towed acoustic linear antennas and in which a plurality of acoustic signals are...
US20060087445 Programmable remote controller adapted to be programmed by playback of audiovisual content  
A remote controller comprises a receiver (365) for receiving programming information for programming the remote controller and a transmitter (355) for transmitting remote control signals for...
US20050236932 Ultrasonic transmitter/receiver, process for producing the same, and ultrasonic flowmeter  
An ultrasonic transducer according to the present invention includes a piezoelectric body 2 for transmitting and receiving an ultrasonic wave and acoustic matching layers 3a and 3b made of a dry...
US20150168550 METHOD AND APPARATUS FOR DRIVING ULTRASONIC SENSOR  
A method for driving ultrasonic sensors includes: transmitting a LIN communication message from an upper controller to ultrasonic sensors on a LIN network; receiving, by the ultrasonic sensors,...
US20140153359 Marine Siren Seismic Source  
A very low frequency marine seismic source has a reservoir of water (47) feeding water to an aperture communicating with the surrounding water (13). The rate of water flow through the aperture is...
US20110170375 MARINE SIREN SEISMIC SOURCE  
A very low frequency marine seismic source has a reservoir of water (47) feeding water to an aperture communicating with the surrounding water (13). The rate of water flow through the aperture is...
US20100259269 SYSTEM FOR STREAMER ELECTRICAL RESISTIVITY SURVEY AND METHOD FOR ANALYSIS OF UNDERGROUND STRUCTURE BELOW A RIVERBED  
A system for measuring electrical resistivity survey checks a border of bedrock or a thickness of a sedimentary layer in a riverbed of a river or lake within a short time. A method for analysis of...
US20100054084 Fan beam transducer assembly  
A transducer assembly including a fan beam transducer having a beam generation axis for generating a fan shaped acoustic beam along the beam generation axis. The fan shaped acoustic beam can have...
US20120081996 Determining Sea Conditions in Marine Seismic Spreads  
According to one or more aspects of the invention, a marine seismic survey method comprises towing at least two streamers below a sea surface forming a survey spread, each streamer comprising a...
US20140340993 POSITION MEASUREMENT DEVICE  
A position measurement device that measures three-dimensional coordinates of an object using ultrasound. The position measurement device includes a transmitter that emits an ultrasonic wave; three...
US20090175127 MULTIBEAM SOUNDER  
The sounder according to the invention comprises two transmit-receive antennas (1, 10) whose respective axes are off-target toward the front, in the direction of movement of the platform, these...
US20140286129 ACOUSTIC DETECTION SYSTEM  
A technique facilitates detection of an event in a subterranean environment, e.g. in a wellbore. A tool may be deployed to a desired wellbore location or other subterranean location for actuation...
US20140355382 ULTRASONIC SENSOR  
An ultrasonic sensor is provided with a mount that is fixed to an inside-face of the bumper, and a sensor body that is coupled to the mount so as to be exposed outside the bumper through an...
US20120069706 Land Seismic Cable and Method  
A seismic cable for use in land applications is described. The cable includes seismic sensors for measuring seismic signals reflected from subterranean or subsea formations. The cable may be...
US20140112096 DYNAMICALLY-ADJUSTED VARIABLE-DEPTH SEISMIC SOURCE AND METHOD  
Method and dynamically-adjusted marine acoustic source array for generating an acoustic wave in a body of water. The acoustic source array includes a float; plural actuation devices, each...
US20130114379 ATTENUATING MASS FOR AN ULTRASONIC SENSOR, USE OF EPOXY RESIN  
Temperature stability at the temperatures prevailing in a motor and stability that is required over an entire temperature range are provided by an attenuating mass. This enables continuous use at...
US20130100771 Near-Offset Extrapolation For Free-Surface Multiple Elimination In Shallow Marine Environment  
The invention is a method for extrapolating missing near-offset seismic data (101) so that the data may be used, for example, in SRME or another multiple-reflection elimination method. The...
US20150204992 Operational Control in a Seismic Source  
A method for controlling trajectory in a resonant marine seismic source comprises: controlling the source frequency and controlling the motion trajectory. Controlling the source frequency...
US20080319674 MULTI-ATTRIBUTE SEISMIC CHARACTERIZATION OF GAS HYDRATES  
An appropriate rock physics model is chosen from well-log data and/or experience. The rock physics model is then used to generate a plurality of attribute values, including compression and shear...
US20150152727 Systems and Methods for Downhole Telecommunication  
An echo communication system has a plurality of triggers disposed within a first distance of each other and a hub separated from the plurality of triggers by at least a second distance that is...
US20140288891 SYSTEM AND METHOD FOR MODELLING THREE DIMENSIONAL SHALLOW WATER MULTIPLES USING PREDICTIVE SEA FLOOR RECONSTRUCTION  
A method for modeling shallow water multiples modeling using a predicted sea floor reconstruction is provided. A seafloor reflectivity image is reconstructed using acquired seismic data. Surface...
US20090278669 Device for Protecting a Photovoltaic Plant Against Rodent Bite Damage  
The invention relates to a device for protecting a photovoltaic plant (1) against rodent bite damage, wherein the photovoltaic plant (1) comprises several components, among them solar cells (2), a...
US20090141588 Flasher sonar device with light guide  
A sonar device includes a light source, a rotatable element, a motor for rotating the rotatable element, and a display. A light guide mounted on the rotatable element has an inlet end aligned with...
US20150085605 Low Frequency Marine Acoustic Vibrator  
Embodiments relate to marine acoustic vibrators that incorporate one or more piston plates that act on the surrounding water to produce acoustic energy. An example marine acoustic vibratory may...
US20100039900 Volumetric displacement transducer for an underwater acoustic source  
A volumetric displacement transducer is provided for generating acoustic signals. The transducer housing incorporates at least one pair of opposed plates mounted for radial vibration. A driving...
US20110149690 OBSTACLE DETECTION DEVICE  
An obstacle detection device mountable on a surface of a movable body includes a transmitting portion for transmitting a transmitting wave, a receiving portion for receiving a reflected wave from...
US20060126432 Marine seismic streamer and method for manufacture thereof  
A seismic streamer includes a jacket covering an exterior of the streamer. At least one strength member extends along the length of the jacket. The strength member is disposed inside the jacket....
US20140269177 WING FOR WIDE TOW OF GEOPHYSICAL SURVEY SOURCES  
Techniques are disclosed relating to wide towing of marine survey signal sources. In one embodiment, an apparatus includes a signal source and a wing coupled to the signal source. In this...