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Communications, electrical: acoustic wave systems and devices

20130121106 - Image information obtaining apparatus and control method for same: An image information obtaining apparatus having: a light source; a transducer which detects an acoustic wave and converts the acoustic wave to an electrical signal; a signal processing unit which generates image data, using the electrical signal; and a memory unit which stores a reference acoustic signal produced by the... Agent: Canon Kabushiki Kaisha

20130121107 - Device and method for determining seismic offset in marine acquisition: Computing device and method for generating an image of a subsurface. The method calculates an offset shift of measured offsets between a seismic source and plural receivers of a streamer. The method includes receiving seismic data recorded underwater by the plural receivers; selecting two pairs of traces from the plural... Agent: Cggveritas Services Sa

20130121108 - Rotational motion compensated seismic sensors and methods of use in seismic data acquisition: Apparatus and methods for acquiring seismic data using a seabed seismic data cable positioned on a seabed are described, including correcting for the effect of one or more sensor non-linear motions, which improves accuracy of seismic data. One or multiple non-linear movements of the sensor may be corrected for. It... Agent: Westerngeco L.L.C.

20130121109 - Method and system for separating seismic sources in marine simultaneous shooting acquisition: Seismic data are obtained by recording simultaneously in seismic streamers, acquired by activating approximately simultaneously two or more seismic sources towed at two positions in the vicinity of seismic streamers. A residual is updated iteratively for an inversion solution for the activations of the two or more seismic sources. The... Agent: Pgs Geophysical As

20130121110 - Device and method for de-blending simultaneous shooting data with apex shifted radon transform: A device, medium and method for de-blending seismic data associated with a subsurface of the earth. The method includes receiving blended seismic data, wherein the blended seismic data includes traces having energies from two or more different shots that partially overlap; applying an apex-shifted radon transform (ASRT) to the blended... Agent: Cggveritas Services Sa

20130121111 - Method of generating and combining multiple horizons to determine a seismic horizon and its uncertainty: There is provided a system and method for creating model of a subsurface region based on multiple depth values. The method includes selecting seeds that represent a starting location within a desired horizon surfaces and generating a plurality of candidate horizons from the selected seeds. A number of depth values... Agent:

20130121112 - Method for estimating elastic parameters through inversion of 4d seismic measures: A 4D seismic technique, where a base seismic trace is measured at a first time in a region of the subsoil, and then a monitor seismic trace corresponding to the base seismic trace is measured at a second time. To interpret the 4D measurements, assumptions are made about the variation... Agent: Total Sa

20130121113 - System and method for enhancing speech of a diver wearing a mouthpiece: Embodiments described herein provide a system, apparatus and methods to enable a diver to communicate more clearly with other divers or locations Embodiments process the speech to add clarity, or otherwise convert speech into an outputted form that is more intelligible e.g. so as to simulate the diver's unhindered speech.... Agent:

20130121114 - Seismic wave emitting device for marine seismic acquisition and method for implementation thereof: The invention concerns a device for emitting seismic waves designed to operate by being towed by a vessel. The device of the invention comprises a support of elongated shape; at least one seismic source connected to the support; means to tow the support whilst holding it in a substantially vertical... Agent: Cggveritas Services Sa

20130121115 - Transducer mounting blocks and method of use thereof: A mounting block for fastening equipment such as a sonar transducer onto the hull or transom of a boat which consists of a flat body portion formed into a predetermined size and shape, the body further having a front face and a back face, the back face further having one... Agent:

20130114371 - Ultrasonic diagnostic apparatus: An ultrasonic diagnostic apparatus has a storage unit for storing the elastic volume data generated on the basis of the ultrasonic image data obtained by transmitting/receiving ultrasonic waves to/from an object to be examined, an input unit for setting a region of interest in the space which is occupied by... Agent: Hitachi Medical Corporation

20130114373 - Method and device for marine seismic acquisition: Method and system for improving offset/azimuth distribution. The system includes plural streamers towed by a streamer vessel; a central source towed by the streamer vessel; first and second front sources located in front of the plural streamers along a traveling direction of the streamer vessel; and first and second large... Agent: Cggveritas Services Sa

20130114372 - Oscillating flared streamers: The invention relates to a seismic acquisition process where the streamers are intentionally directed to follow an oscillating sweep pattern behind a tow vessel to counteract the effect of the large gaps between the streamers while acquire a wide sweep of data through each pass over the survey area.... Agent: Conocophillips Company

20130114374 - Adjustable sensor streamer stretch section for noise control for geophysical sensor streamers: A sensor streamer stretch section includes at least one spring. A means for coupling the spring at each end to at least one of a sensor streamer and a lead in cable is included. A cable is coupled at its ends to the means for coupling. The cable is capable... Agent: Pgs Geophysical As

20130114375 - Seismic acquisition method for mode separation: Method for separating different seismic energy modes in the acquisition (65) of seismic survey data by using sensors that preferentially record a single mode (63), optionally combined with a source that preferentially transmits that mode.... Agent:

20130114376 - Automatic dispersion extration of multiple time overlapped acoustic signals: Slowness dispersion characteristics of multiple possibly interfering signals in broadband acoustic waves as received by an array of two or more sensors are extracted without using a physical model. The problem of dispersion extraction is mapped to the problem of reconstructing signals having a sparse representation in an appropriately chosen... Agent: Schlumberger Technology Corporation

20130114377 - Systems and methods to discriminate annular heavy fluids from cement: A cement bond logging method for wells containing heavy mud and cement is provided. Acoustic logging tool data from a well having material in the annular space between the casing and the formation is analyzed to map relationships between waveform amplitude, acoustic impedance, and impedance derivative of the material. Map... Agent: Halliburton Energy Services, Inc.

20130114378 - Widebeam acoustic transducer: An acoustic transducer for producing sonar waves features a piezoelectric structure with a radiating surface. A plurality of elements is attached to the radiating surface, and at least two of the plurality of elements have different acoustic properties. The acoustic transducer is designed for a wider beam angle for a... Agent:

20130114379 - 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 temperatures of approximately 150° C. while providing ultrasonic attenuation at low temperatures.... Agent:

20130114380 - Ultrasound based mobile receivers in idle mode: An acoustic system, which may be ultrasonic, operates in a power efficient idle mode thereby reducing the power consumption required by high frequency sampling and processing. While in idle mode, an acoustic receiver device operates with an idle sampling rate that is lower than the full sampling rate used during... Agent: Qualcomm Incorporated

20130107662 - Photoacoustic microscopy (pam) systems and related methods for observing objects: Embodiments of the invention provide a photoacoustic microscopy (PAM) system for observing an object. The PAM system includes an optical pickup head, an ultrasonic transducer, and an image generation unit. The optical pickup head emits a laser beam to the object, generates a servo signal based on a reflective light... Agent:

20130107663 - Methods and systems for survey designs: Methods and systems for survey designs are disclosed. In one embodiment, a method of towing an array of marine streamers is disclosed, wherein: the array includes a plurality of receivers, the array includes a plurality of steering devices, and the array is towed along a first portion of a coil... Agent: Westerngeco L.L.C.

20130107664 - Processing multi-component seismic data: A technique includes receiving first data indicative of a pressure measurement and measurements of components of a particle motion vector acquired by sensors disposed on at least one cable; and processing the first data to generate second data indicative of a constructed an in-line component of the particle motion vector.... Agent:

20130107665 - Methods and devices for transformation of collected data for improved visualization capability: Computing systems and methods for improving imaging of collected data are disclosed. In one embodiment, a first wavefield is propagated to obtain a first wavefield history; the first wavefield is again propagated to obtain a second wavefield history, wherein the propagation includes integration of one or more Q-effects; a first... Agent:

20130107666 - Method and system for identifying events of digital signal: The present application relates to a method for identifying events of digital signal. The method identifies the events of a digital signal by means of the characteristic that the events of a digital signal basically depend on the signal phase.... Agent: China Petroleum & Chemical Corporation

20130107667 - Method and system for reconstructing scenes using virtual arrays of transducers and joint sparsity models: A scene is reconstructed by receiving pulses transmitted by a virtual array of transducers. The pulses are reflected by the scene. The virtual array has a set of configurations subject to positioning errors. Each received pulse is sampled and decomposed to produce frequency coefficients stacked in a set of linear... Agent: Mitsubishi Electric Research Laboratories, Inc.

20130107668 - Convoy-based systems and methods for locating an acoustic source: A method of locating an acoustic source using a plurality of vehicles is provided. The method includes transferring acoustic input from a plurality of sensors to a plurality of processing modules, determining a location of each of the vehicles using at least one of a global positioning system module and... Agent: Raytheon Company

20130107669 - Vehicle localization: Methods, systems, and vehicles are provided for localizing a vehicle. A sensor is configured to detect an object disposed in a generally upward direction from the vehicle while the vehicle is travelling. A processor is coupled to the sensor. The processor is configured to correlate the object with information from... Agent: Gm Global Technology Operations LLC

20130107671 - Reception circuit, ultrasound probe and ultrasound image display apparatus: A reception circuit disposed within an ultrasound probe is provided. The reception circuit includes, at least one amplifying unit configured to amplify echo signals received by ultrasound transducers, and at least one delay unit connected to the amplifying unit and including a first circuit and a second circuit each configured... Agent: Ge Medical Systems Global Technology Company, LLC

20130107670 - Ultrasound receiving module, method and system: An ultrasound receiving method is provided. N return-wave signals corresponding to N channels are respectively stored in N set of shift register arrays. Each set includes a delay filter unit and M shift registers. A delay controller is utilized to assign a set of coefficients to the delay filter unit... Agent:

20130107672 - Seismic transducing device: A seismic transducing device is provided herein. The device includes a container defining a chamber filled with a medium having a controllable seismic impedance; and a seismic transducer disposed in the medium and affixed to the container; wherein at least a portion of the container, being a membrane, is controllable... Agent:

20130100762 - Seismic data acquisition and source-side derivatives generation and application: The technologies described herein include systems and methods for performing a first seismic survey and performing a second seismic survey after a predetermined amount of time has lapsed between the first seismic survey and the second seismic survey. The shot times and the shot positions of the second seismic survey... Agent: Westerngeco L.L.C.

20130100763 - Seismic data acquisition and source-side derivatives generation and application: The technologies described herein include systems and methods for performing a first seismic survey and performing a second seismic survey after a predetermined amount of time has lapsed between the first seismic survey and the second seismic survey. The shot times and the shot positions of the second seismic survey... Agent: Westerngeco, L.l.c

20130100764 - 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 incoherently while a coherent acquisition scheme drives high-frequency individual source elements simultaneously and incoherently and low-frequency individual source elements simultaneously and coherently. Thus, denser coverage and an increased... Agent: Cggveritas Services Sa

20130100765 - 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 incoherently while a coherent acquisition scheme drives high-frequency individual source elements simultaneously and incoherently and low-frequency individual source elements simultaneously and coherently. Thus, denser coverage and an increased... Agent: Cggveritas Services Sa

20130100766 - Method and device for determining a driving signal for vibroseis marine sources: Controller and method for determining a driving signal of a vibro-acoustic source element that is configured to generate acoustic waves in water. The method includes estimating at least one physical constraint of the vibro-acoustic source element; modeling a ghost function determined by a surface of the water; setting a target... Agent: Cggveritas Services Sa

20130100767 - Seismic acquisition using solid streamers: An embodiment of the disclosed invention includes a method for attenuating noise during acquisition of marine seismic date. The method includes placing a seismic streamer in a body of water. The seismic streamer includes a streamer body having a length and a channel, a seismic sensor disposed within the channel,... Agent: Westerngeco L.L.C.

20130100768 - Signal stacking in fiber optic distributed acoustic sensing: A method for obtaining information about a subsurface formation from acoustic signals that contain information about the subsurface formation, comprises a) transmitting an optical signal into a fiber optic cable (14) that includes a sensing apparatus (20) comprising a plurality of substantially parallel fiber lengths (24), b) collecting from the... Agent:

20130100769 - Microseismic data acquisition array and corresponding method: Disclosed are various embodiments of methods, devices and systems for performing a microseismic survey. According to some embodiments, microseismic signals are detected at seismic sensor stations deployed in two sets of seismic sensor lines, the seismic sensor lines within each set being substantially parallel to one another and the two... Agent: Global Microseismic Services, Inc.

20130100770 - Method for imaging microseismic events using an azimuthally-dependent focal mechanism: Disclosed herein are various embodiments of methods and systems for determining the orientation and direction of first motion of a fault or fracture by optimizing an azimuthally-dependent attribute of signals generated by microseismic sources, comprising: recording microseismic data traces using a of sensors located at a plurality of sensor positions;... Agent: Global Microseismic Services, Inc.

20130100771 - 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 invention uses the reciprocity principle (102) to relate two seismic states (acoustic or elastic) that can occur in a time-invariant, bounded... Agent:

20130100772 - Seismic data acquisition array and corresponding method: Disclosed are various embodiments of methods and systems for a 3D seismic data acquisition array, comprising: a first plurality of receiver positions, substantially equally spaced along a first plurality of substantially parallel and substantially equally spaced receiver lines; a second plurality of receiver positions, substantially equally spaced along a second... Agent: Global Geophysical Services, Inc.

20130100773 - Wide-area wind velocity profiler: A wide-area wind velocity profiler, which includes two or more active sound sources and at least one receiver module, in a bistatic SODAR configuration. The profiler measures wind velocities in the atmospheric boundary layer above large geographic areas, such as wind farms or airports.... Agent:

20130100774 - System for determining the distance from and the direction to an object: A system for determining the distance from and the direction to an object includes an emitter and at least two receiver elements for receiving a signal which is transmitted by the emitter and reflected by the object. The receiver elements are arranged as a linear array, as two linear arrays... Agent:

20130100776 - Method for controlling an ultrasonic sensor and ultrasonic sensor: An ultrasonic sensor has: a diaphragm that includes at least two partial regions for emitting and/or receiving ultrasonic signals, the two partial regions possessing different resonance characteristics; and at least one electromechanical transducer coupled to the diaphragm, to which transducer a control signal having at least two different control signal... Agent:

20130100775 - System and method for providing discrete ground connections for individual elements in an ultrasonic array transducer: A system and method for an ultrasonic array transducer is provided. The system includes a plurality of transducer elements, each including a positive electrode and a ground electrode. The system includes a plurality of twisted pair cables. Each twisted pair cable is operatively connected to a respective transducer element by... Agent:

20130100777 - Source for marine seismic acquisition and method: Method, source and seismic vibro-acoustic source element configured to generate acoustic waves under water. The seismic vibro-acoustic source element includes an enclosure having first and second openings; first and second pistons configured to close the first and second openings; an actuator system provided inside the enclosure and configured to actuate... Agent: Cggveritas Services Sa

20130100778 - Source for marine seismic acquisition and method: Method, source and seismic vibro-acoustic source element configured to generate acoustic waves under water. The seismic vibro-acoustic source element includes an enclosure having first and second openings; first and second pistons configured to close the first and second openings; an actuator system provided inside the enclosure and configured to actuate... Agent: Cggveritas Services Sa

20130100779 - Acoustic sensor and fabrication method thereof: A method for fabricating an acoustic sensor according to an exemplary embodiment of the present disclosure includes: forming an acoustic sensor unit by forming a lower electrode on an upper portion of a substrate, forming etching holes on the lower electrode, forming a sacrifice layer on an upper portion of... Agent: Electronics & Telecommunications Research Institute