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US20090073811 ACOUSTIC NAVIGATION DEVICE AND METHOD OF DETECTING MOVEMENT OF A NAVIGATION DEVICE  
A navigation device for navigating a user interface of a processor-controlled device includes an acoustic transmitter adapted to transmit an acoustic signal, an acoustic receiver adapted to...
US20110110187 System and method for drag reduction in towed marine seismic equipment  
A system comprises towed marine seismic equipment marine seismic equipment, adapted for towing through a body of water; and a surface covering, with longitudinal ribs, attached to the marine...
US20120294123 COMBINED BROADBAND OCEAN BOTTOM SEISMOGRAPH WITH SINGLE GLASS SPHERE  
The invention provides a broadband ocean bottom seismograph with a single glass sphere. The seismograph comprises an anchor at its bottom having a frame structure with a rigid ring for...
US20140043935 HYPERBOLIC SHOOTING METHOD AND DEVICE  
During a seismic survey, shots located close to one another are fired at a time interval shorter than an echo time interval and longer than a closest receiver time interval. During the echo time...
US20140104985 MARINE SEISMIC SURVEYING IN ICY OR OBSTRUCTED WATERS  
A skeg mounts from the stern of a towing vessel and extends below the waterline. A channel in the skeg protects cables for steamers and a source of a seismic system deployed from the vessel. Tow...
US20130336090 ULTRASONIC WADING DETECTION FOR A VEHICLE  
A wading sensor for a vehicle comprises an ultrasonic parking distance control. An embodiment detects wading by sensing the difference in the settling time of the diaphragm of a...
US20140286130 Acoustic Transceiver with Adjacent Mass Guided by Membranes  
An acoustic transceiver assembly including a housing, an oscillator, and at least one membrane. The housing has at least one inner wall defining a cavity. The housing also has a first end and a...
US20110149687 ACOUSTIC TRANSCEIVER WITH ADJACENT MASS GUIDED BY MEMBRANES  
An acoustic transceiver assembly including a housing, an oscillator, and at least one membrane. The housing has at least one inner wall defining a cavity. The housing also has a first end and a...
US20100309748 Method and Apparatus for Determining Radial Shear Velocity Variation From Dipole Acoustic Logging  
A radial shear velocity profile of an earth formation is obtained by using dipole and/or cross-dipole measurements. The non-uniqueness in the inversion is addressed by using a constraint based on...
US20140022869 MICRO-GEOPHONE  
A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively...
US20140022868 MICRO-GEOPHONE  
A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively...
US20140022867 MICRO-GEOPHONE  
A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively...
US20140022866 MICRO-GEOPHONE  
A micro geophone having pole pieces do not extend out around the sides of the magnet, thereby allowing a reduced geophone diameter for a given magnet diameter. The pole pieces are adhesively...
US20150153465 Harmonic Attenuation Using Multiple Sweep Rates  
A technique includes generating seismic sweep sequences. Each of the seismic sweep sequences has an associated sweep rate. The technique includes varying the sweep rates to reduce harmonic...
US20150247939 ANTI-BIOFOULING SEISMIC STREAMER  
An anti-biofouling casing for a seismic streamer is described, the anti-biofouling casing comprising a polymer system comprising a hydrophobically-modified base polymer, the...
US20140078863 ASSAYING GOLD WITH A MICROWAVE PULSE  
A system for assaying gold in a rock formation includes a transmitter and an acoustic sensor. The transmitter is configured to transmit a microwave pulse into the rock formation. The acoustic...
US20120320711 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Method and system for improving 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...
US20120201099 METHOD FOR SIMULTANEOUSLY LOCATING AND MAPPING VIA RESILIENT NON-LINEAR FILTERING  
A method including carrying out, by means of an underwater vehicle moving above a given zone of the sea bed, observations on the basis of which the positions of elements of relief and of objects...
US20140269165 Using Higher Order Harmonics to Determine Acoustic Impedance of Material Behind Borehole Casings  
An acoustic logging tool emits a wideband acoustic pulse toward an inside surface of a borehole casing and an acoustic response is received. The acoustic response is analyzed at one or more higher...
US20130155812 Using Higher Order Harmonics to Determine Acoustic Impedance of Material Behind Borehole Casings  
An acoustic logging tool emits a wideband acoustic pulse toward an inside surface of a borehole casing and an acoustic response is received. The acoustic response is analyzed at one or more higher...
US20120081995 COMBINED ELECTROMAGNETIC AND SEISMIC ACQUISITION SYSTEM AND METHOD  
A method for marine geophysical surveying according to one aspect of the invention includes towing at least one geophysical sensor streamer in a body of water. The streamer includes a plurality of...
US20150016220 SONIC/ACOUSTIC MONITORING USING OPTICAL DISTRIBUTED ACOUSTIC SENSING  
Methods and apparatus for performing sonic well logging within a wellbore based on optical Distributed Acoustic Sensing (DAS) are provided. A sonic well logging system based on DAS may be capable...
US20110280103 SONIC/ACOUSTIC MONITORING USING OPTICAL DISTRIBUTED ACOUSTIC SENSING  
Methods and apparatus for performing sonic well logging within a wellbore based on optical Distributed Acoustic Sensing (DAS) are provided. A sonic well logging system based on DAS may be capable...
US20140098639 Identifying Dominant Fracture Orientations  
Systems, methods, and software can be used to identify properties of fractures in a subterranean zone. In some aspects, a basic plane orientation is determined for each of a plurality of basic...
US20120209433 SOCIAL ROBOT  
Social robot formed by an artificial vision system composed of webcam cameras, a voice recognition system formed by three microphones arranged in a triangular configuration, an expression system...
US20110242938 ULTRASONIC MEASUREMENTS PERFORMED ON ROCK CORES  
One or more embodiments and methods of analyzing a formation sample with in a coring tool are disclosed herein. The methods and embodiments may include extracting a first core from a sidewall of a...
US20120092210 Method for Processing an Echo Amplitude Profile Generated by a Pulse-Echo Ranging System  
A method for considering an echo amplitude profile as a result of convoluting a single echo with a channel response sequence, wherein for multiple echo detection, an estimation task is broken into...
US20140169137 SYSTEM AND PROCESSING APPARATUS FOR MEASURING SURFACE ACOUSTIC WAVE SENSITIVE AREA SIZE AND METHOD THEREOF  
A measuring method of touch sensitive area size of a SAW sensor module is provided. The SAW sensor module comprises a substrate configured for propagating SAW, a first transmitter and a first...
US20130121109 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...
US20120250458 ANTI-BARNACLE NET AND METHOD  
Method and an array of streamers that prevent/slow down marine animals to attach to the streamers. The array includes at least one streamer including plural sections; and a net provided over at...
US20090268554 Underwater sound projector system and method of producing same  
An underwater sound projector system comprises multiple sound projectors, each sound projector being capable of producing acoustic pressures. The sound projectors are held in close proximity such...
US20150177398 LOW-FREQUENCY LORENTZ MARINE SEISMIC SOURCE  
This disclosure is related to marine seismic sources, for example marine seismic sources known in the art as benders. Some embodiments of this disclosure use Lorentz forces to produce seismic...
US20130343153 MARINE VIBRATOR SWEEPS WITH REDUCED SMEARING AND/OR INCREASED DISTORTION TOLERANCE  
A marine seismic survey using one or more moving marine seismic vibrators, where the vibrator sweeping function is based on smearing error criteria and is a downward-sweeping non-criteria linear...
US20110122729 Controlling Method for Ultra-sound Sensor  
A controlling method for ultra-sound sensor is provided. The method includes the steps of measuring a distance of an obstacle, determining whether the distance is smaller than a distance...
US20100002536 MARINE SEISMIC ACQUISITION WITH CONTROLLED STREAMER FLARING  
Marine seismic data is acquired with a system of steerable seismic streamers that are intentionally maintained in a flared configuration while the streamers are towed through a body of water.
US20120008464 ELECTRONIC WILDLIFE CALL  
An electronic wildlife call has electronics and a housing. The electronics includes an electronic sound generator, memory containing at least one sound call, and at least one speaker connected...
US20120281498 METHOD AND SYSTEM FOR CONTROLLING STREAMERS  
A method and system for controlling the shape and separation of an arrangement of streamers towed behind a survey vessel. Each streamer is steered laterally by lateral steering devices positioned...
US20130258816 EARTHQUAKE MONITORING DEVICE AND INSTALLATION METHOD THEREOF  
Disclosed are an earthquake monitoring device and a method of installing the same, which can permit stable and efficient installation and operation on any ground surface with free-field conditions...
US20070064538 Sonar antenna  
This invention concerns a sonar antenna. The sonar antenna comprises an axially symmetric acoustic surface having the cross-sectional form of a generally U-shaped curve of non constant curvature....
US20140340984 MULTILAYER JACKET FOR MARINE ACOUSTIC ARRAY APPLICATIONS  
In various embodiments, a multilayer jacket for a seismic streamer is disclosed. The multilayer jacket comprises an outer layer comprising a water-resistant and wear-resistant material. The...
US20130188448 MULTI-VESSEL SEISMIC ACQUISITION WITH UNDULATING NAVIGATION LINES  
Method for determining a seismic survey configuration of a multi-vessel acquisition system. The method includes a step of receiving number that corresponds to vessels to be used in the...
US20140219051 CONFIGURABLE ACQUISITION UNIT  
Embodiments of a configurable acquisition unit are disclosed together with applications for configurable acquisition units. In one embodiment, an acquisition unit includes a seismic data...
US20090147619 In-Sea Power Generation for Marine Seismic Operations  
A method for conducting seismic operations includes the steps of deploying a seismic streamer carrying an electrically powered device from a vessel into water having waves, providing an in-sea...
US20100278011 System and method for towed marine geophysical equipment  
A system comprises towed marine geophysical equipment, adapted for towing through a body of water; and a surface covering, comprising a textural attribute of shark skin, attached to the marine...
US20130170316 METHOD AND DEVICE FOR MARINE SEISMIC ACQUISITION  
Methods and systems for improving azimuth distribution in a seismic acquisition system are described. A survey acquisition system includes a plurality of streamers towed by a plurality of streamer...
US20140266769 NETWORK TELEMETRY SYSTEM AND METHOD  
A telemetry system produces, transmits and receives signal sets from network nodes, which correspond to transceiver stations. Repeater scheduling and other interference mitigating techniques are...
US20130021874 Methods for Locating A Cement Sheath in A Cased Wellbore  
A distributed acoustic wave detection system and method is provided. The system may include a fiber optic cable deployed in a well and configured to react to pressure changes resulting from a...
US20140334256 APPARATUS FOR MARINE SEISMIC SURVEY  
An apparatus for conducting a marine seismic survey is disclosed. The apparatus includes a plurality of sensors configured to measure water pressure, a horizontal derivative of the pressure in two...
US20050179542 Acoustically activated key fob and method  
A small hand held device that is activated thru a microphone by an acoustic signature. The acoustic signature activates programmed functions of the fob such as issuing the command to unlock a...
US20100319256 PRESENCE DETECTOR FOR A DOOR ASSEMBLY  
A presence detector for a door assembly which includes a door closing a door entrance is described herein. The detector includes a transducer assembly mounted to the door assembly for emitting at...