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8830786 Fluid distribution device  
Techniques are disclosed herein relating to distribution of fluids. These techniques may be useful in, for example, supplying pressurized air to seismic sources (or arrays of seismic sources),...
8824239 Marine seismic survey method and system  
An inventive method provides for control of a seismic survey spread while conducting a seismic survey, the spread having a vessel, a plurality of spread control elements, a plurality of navigation...
8824240 Apparatus and method for measuring the acoustic impedance of wellbore fluids  
An ultrasonic scanner tool employs a transducer that excites a target plate at a known distance from the transducer. One side of the target plate forms a chamber that in operation is filled with...
8824242 Methods, systems, and apparatus to calculate distance from audio sources  
Systems, methods, articles of manufacture and apparatus are disclosed to calculate distance from audio sources. An example method disclosed herein includes receiving, at the reference audio...
8824241 Method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location  
A method for a pressure release encoding system for communicating downhole information through a wellbore to a surface location includes positioning a valve and a brake in a drilling mud...
8825409 Tracing seismic sections to convert to digital format  
Method, system, and computer program product for tracing seismic sections to convert to digital format are provided. The method includes: receiving a scan of a seismic section having multiple...
8824243 Ultrasonic transducer unit and ultrasonic probe  
In an ultrasonic transducer unit comprising a plurality of ultrasonic transducers, each of the ultrasonic transducers is provided with a recess formed in one face of an insulating substrate, and a...
8823578 Driving assist apparatus  
A driving assist apparatus for a vehicle is disclosed. The driving assist apparatus includes a transmitter for transmitting a transmission wave, a receiver for receiving a reflected wave, an...
8816849 Overhang warning device  
Suspended or overhanging of obstructions are selectively signaled to an individual by a device that can worn by an individual. The device includes a first sensor that is oriented to selectively...
8817577 Gunshot locating system and method  
A system for determining the origin and trajectory of a gunshot includes spaced sensor nodes and a base station. A method for determining the origin and trajectory of a gunshot includes the steps...
8818730 Unique composite relatively adjusted pulse  
The invention relates to acquiring seismic data in either land or marine environments, but typically marine environments where a pulse-type source is fired in a distinctive composite pulse like a...
8813869 Analysis refracted acoustic waves measured in a borehole  
Methods and related systems are described for measuring and analyzing refracted acoustic energy. A plurality of receivers mounted are on a downhole tool, and are arranged and adapted to receive...
8816304 Standard electromagnetic wave field generator with slit  
A standard EM wave field generator, includes a first tapered region configured to have a first port formed on its one side and be supplied with a source to generate EM field through the first...
8814810 Orthopedic method and system for mapping an anatomical pivot point  
A system and method of touchless interaction is provided for resolving a pivot point of an object where direct placement of a sensor at the pivot point is not practical. It applies to situations...
8817578 Sonic wave output device, voice communication device, sonic wave output method and program  
There is provided a sonic wave output device comprising, a receiving unit to receive wireless signals transmitted from a certain signal source, a determination unit to determine a parameter value...
8817575 Transducer for high pressure environment  
A transducer for sub-ocean bottom imaging includes: a housing capable of withstanding hydrostatic pressure of about 9,000 pounds per square inch; a transmitting layer positioned within the housing...
8818763 Seismic acquisition and filtering  
Designing a multi-dimensional Finite Impulse Response FIR digital filter to attenuate the coherent noise while preserving reflection signals on seismic data, particular in land seismics, includes...
8817576 Distance sensor for vehicle with electrical connector  
A distance sensor for vehicles is provided which includes a sensor device and an electric connector for an electrical connection between the sensor device and a mating connector. The connector...
8817574 Method and system of a compound buoy  
A compound buoy. At least some of the illustrative embodiments are buoy systems that include: a surface buoy; a subsurface buoy comprising an elongated outer body; a connector disposed on the...
8811120 Systems and methods implementing frequency-steered acoustic arrays for 2D and 3D imaging  
Frequency-steered acoustic arrays transmitting and/or receiving multiple, angularly dispersed acoustic beams are used to generate 2D and 3D images. Input pulses to the arrays are generally...
8811113 Method of summing dual-sensor towed streamer signals using seismic reflection velocities  
A merged particle velocity signal is generated by merging a recorded vertical particle velocity signal, scaled in an upper frequency range using a time-dependent arrival angle as determined by...
8811117 Wireless exploration seismic system  
Systems and methods for seismic data acquisition employing a dynamic multiplexing technique. The dynamic multiplexing technique may include advancing one or more modules in a seismic array through...
8811677 Method of tracking discontinuous seismic horizons in seismic images  
The invention targets in particular a method for searching for a seismic horizon in a seismic image of the subsoil. The method notably comprises the designation of two points belonging to the...
8811119 Distance estimation using sound signals  
An apparatus comprises a test signal generator (401) which generates an ultrasonic test signal by modulating an audio band test signal on an ultrasonic signal. The ultrasonic test signal is...
8811114 Imaging of formation structure ahead of the drill-bit  
The present disclosure is related to apparatuses and methods for downhole acoustic logging. The tool may be used for generating a guided borehole wave that propagates into the formation as a body...
8811118 Downhole noise cancellation in mud-pulse telemetry  
Pressure measurements are made using a pressure sensor in the proximity of the drillbit during drilling operations. A filtered version of the pressure measurements is provided to a pulser for a...
8811112 Method and device for processing seismic data  
Apparatus, computer instructions and method for processing seismic data related to a subsurface of a body of water. The method includes inputting data indicative of recordings made by detectors...
8810407 Walker with illumination, location, positioning, tactile and/or sensor capabilities  
In accordance with various embodiments, a walker has a body. An illumination source is supported by the body. The illumination source is configured to focus illumination on a target area. The...
8811116 Vibroseis acquisition method  
A method of performing a Vibroseis survey is described including the step of obtaining signals generated by activating vibratory sources at times T0 and T1, respectively, for a sweep period S and...
8811914 Method and apparatus for dynamically processing an electromagnetic beam  
A method and apparatus for processing a terahertz frequency electromagnetic beam are disclosed. For example, the method receives the terahertz frequency electromagnetic beam via a metamaterial...
8811115 Attenuating seismic interference noise using a dual sensor recording system  
A method for attenuating noise in marine seismic signals includes cross ghosting pressure responsive marine seismic signals and contemporaneously acquired motion responsive marine seismic signals....
8804459 Method and apparatus for passive determination of target data  
A method and apparatus for passive determination of target data (R, K, V) associated with a target from measured and estimated bearing angles. The measured bearing angles (4) are determined by a...
8804464 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...
8804461 Self-propelled buoy for monitoring underwater objects  
Various embodiments of the invention provide a buoy and system for monitoring divers and other underwater objects. In many embodiments, the buoy has capabilities to monitor a diver, obtain...
8804460 Ultrasonic location determination  
The relative positions of two or more electronic devices can be determined utilizing ultrasonic beacons. Each device can have a unique signature that can be included in the beacon broadcast by...
8804457 Transmit/receive systems for imaging devices  
A transceiver for an ultrasonic imaging device includes a transmit circuit and a receive circuit. The transmit circuit outputs test pulses to a probe including a transducer to generate an image of...
8804463 Seismic source/receiver probe for shallow seismic surveying  
Systems and methods are implemented for evaluating underground structures and objects, particularly relatively shallow underground structures and objects, using a seismic or acoustic source signal...
8804462 Marine vibrator with improved seal  
A marine vibrator with improved seal is described. The marine vibrator includes a housing and piston within the housing for generating vibratory signals. The improved seal is comprised of a...
8804458 Non destructive testing device and method for detecting possible anomalies of a wall thickness  
The invention relates to a nondestructive testing device for detecting possible thickness anomalies (Ve) of a wall (P), this device comprising a sensor (1) including means (11) for emitting and...
8796901 Micro-electro-mechanical transducer having an insulation extension  
A micro-electro-mechanical transducer (such as a cMUT) having two electrodes separated by an insulator with an insulation extension is disclosed. The two electrodes define a transducing gap...
8797829 Obstacle detection device  
An obstacle detection device controls distance sensors to cause the distance sensors to transmit a transmission wave during a fixed time period, measures a first time which has elapsed from a time...
8797828 Remote optical seismic surveying and detection and imaging of underground objects  
System for optical seismic surveying of an area of interest including at least one seismic source, at least one laser source, at least one optical sensing system and a processor, the processor...
8797827 Seismic acquisition system  
Various technologies for a seismic acquisition system, which may include an acquisition central system configured to determine a desired start time for a sweep cycle in one or more vibrators and a...
8797826 Seismic vibratory acquisition method and apparatus  
A method and related apparatus are described for generating acoustic signals for use in a vibratory seismic survey, including at least two different sweep signals for the control of at least two...
8797036 Methods and apparatus for adaptive source electromagnetic surveying  
Disclosed are methods and apparatus for adaptive source electromagnetic (EM) surveying. In accordance with one embodiment, a source waveform signal is generated, and an outgoing EM signal which is...
8797830 Explosion-proof acoustic source for hazardous locations  
An explosion-proof system for generating acoustic energy. An exemplary embodiment of the system includes a main housing defining an open housing space and an opening. A cover structure is...
8797824 Phase based sensing  
A method of sensing using a phase based transducer in which a transducer response is provided at multiple different levels of sensitivity. The different levels of sensitivity are used to produce...
8797825 Method and apparatus for measuring formation anisotropy while drilling  
A logging system for measuring anisotrophic properties of the materials penetrated by a borehole. A downhole or “logging tool” element of the system comprises a source section that comprises...
8797407 Security system and method using measurement of acoustic field variation  
A security system and a method of determining whether there is an intrusion are provided. A correlation between sound signals obtained from a sound source generating device and a sound-field...
8792296 Method and apparatus for deghosting seismic data  
Apparatus, computer instructions and method for deghosting seismic data related to a subsurface of a body of water. The method includes inputting data recorded by detectors that are towed by a...