Matches 1 - 50 out of 81 1 2 >


Match Document Document Title
US20130076090 VIBRATION CONVERTING CHAIR  
Disclosed is a vibration converting chair to be able to most effectively transmit the vibration energy of a transducer by molding a spring material in all-in-one form within a foam sponge which is...
US20130301395 ULTRASOUND PROBE THERMAL DRAIN  
An ultrasound probe includes a thermal drain across which heat is thermally conducted from an ultrasound transducer to an outer polymeric casing wall of the ultrasound probe.
US20150009782 ULTRASOUND PROBE AND METHOD OF OPERATING AN ULTRASOUND PROBE  
An ultrasound probe contains an ultrasound transducer arrangement that is formed with a plurality of transducer elements. The transducer elements are arranged next to one another in a row and they...
US20110273966 Reducing Noise in Seismic Surveying Environment  
In one embodiment of the invention a method includes (a) operating a combustion engine at a first activity level corresponding to a first noise level; (b) charging an accumulator with a first...
US20120147709 ELECTROMAGNETIC SEISMIC VIBRATOR ARCHITECTURE  
Aspects described herein relate to an electromagnetic seismic vibrator (EMSV) architecture that provide wide frequency range operation, ground force application with high fidelity, and low...
US20090147627 MULTILAYER BACKING ABSORBER FOR ULTRASONIC TRANSDUCER  
A multilayer backing absorber for use with an ultrasonic transducer comprises an elemental multilayer having at least one metal layer and at least one adhesive layer, wherein the backing absorber...
US20130286788 ELECTRICAL ENERGY ACCUMULATOR  
The invention is an electric power accumulator used with an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and...
US20150117156 SYSTEM AND METHOD FOR ULTRASOUND IDENTIFICATION AND MANIPULATION OF MOLECULAR INTERACTIONS  
A system and method for resolving and/or mechanically manipulating molecular bonds. A method for resolving molecular bonds includes applying ultrasound to molecules to be manipulated. A magnetic...
US20150085607 Piston Integrated Variable Mass Load  
Embodiments relate to relate to marine vibrators that incorporate one or more piston plates that act on the surrounding water to produce acoustic energy. An example marine vibrator may comprise: a...
US20150109889 ACOUSTIC TRANSDUCER WITH MEMBRANE SUPPORTING STRUCTURE  
An acoustic transducer includes a base plate, a vibrating membrane and a back plate. The vibrating membrane covers an opening of the base plate and has a plurality of conjoint vibratile portions....
US20130286771 ALTERNATIVE VIBRATOR ACTUATOR SOURCE  
The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric...
US20140247698 PRE-COLLAPSED CAPACITIVE MICRO-MACHINED TRANSDUCER CELL WITH PLUG  
The present invention relates to a pre-collapsed capacitive micro-machined transducer cell (10) comprising a substrate (12), and a membrane (14) disposed above a total membrane area ((Atotal),...
US20110090759 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...
US20140003197 SYSTEM AND METHOD FOR DETERMINING A FREQUENCY SWEEP FOR SEISMIC ANALYSIS  
A sweep generator is employed to generate a sweep to be used by a seismic vibrator device for generating a desired target output spectrum, wherein the frequency sweep is designed so as to comply...
US20120307597 SYSTEM AND METHOD FOR DETERMINING A FREQUENCY SWEEP FOR SEISMIC ANALYSIS  
A sweep generator is employed to generate a sweep to be used by a seismic vibrator device for generating a desired target output spectrum, wherein the frequency sweep is designed so as to comply...
US20120176863 PORTABLE DEVICE AND METHOD TO GENERATE SEISMIC WAVES  
A portable seismic source for generating a seismic wave in the ground. The portable seismic source includes a casing containing an impulsive energy device; a base plate configured to be placed on...
US20110240364 ACOUSTIC MEASUREMENTS WHILE USING A CORING TOOL  
Embodiments disclosed herein relate to one or more embodiments and methods to make downhole measurements. Embodiments disclosed herein relate to one or more embodiments and methods to measure the...
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...
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...
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...
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...
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...
US20150085608 Air-Spring Compensation in a Piston-Type Marine Vibrator  
Embodiments relate to the restriction of gas flow in a piston-type marine vibrator to compensate for air-spring effects. An embodiment provides marine vibrator comprising: a containment housing; a...
US20150085606 Piston-Type Marine Vibrators Comprising a Compliance Chamber  
Disclosed are embodiments of a marine vibrator and methods of using. Embodiments of the marine vibrator may comprise a containment housing; a piston plate, wherein an internal volume of the marine...
US20070064539 Generating acoustic waves  
An example method for generating acoustic waves is disclosed. The example method includes activating at least one driver, transmitting force from the at least one driver to at least one moment...
US20130028055 HIGH DIRECTIVE ULTRASONIC TRANSDUCER  
Disclosed is a high directive ultrasonic transducer that can concentrate a radiated ultrasonic wave in one direction by making an orientation angle of the radiated ultrasonic wave small in an...
US20110026367 Acoustic Transducer  
The acoustic transducer includes one or more membranes which cover cavities on a substrate by means of a uniformly thick polymer layer produced by vapor deposition. In the region of the cavities...
US20130286780 DISTINCTIVE LAND SEISMIC SWEEP  
The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric...
US20100165793 ULTRASONIC VIBRATION TRANSDUCER FOR ULTRASONIC DRILLING  
The invention relates to an ultrasonic vibration transducer (1) for ultrasonic drilling in building material such as concrete, stone, brick or plaster. The invention proposes constructing the...
US20120087205 ELECTROMECHANICAL TRANSDUCER AND METHOD FOR DETECTING SENSITIVITY VARIATION OF ELECTROMECHANICAL TRANSDUCER  
An electromechanical transducer includes a plurality of elements each including a first electrode and a second electrode with a gap therebetween, a voltage applying unit configured to apply an AC...
US20120269040 Seismic Vibrator Having Composite Baseplate  
A seismic vibrator has a baseplate composed at least partially of a composite material. The baseplate has a body composed of the composite material and has top and bottom plates composed of a...
US20130286791 DISCRETE ELECTRIC SEISMIC SOURCE UNIT  
The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric...
US20110083510 Vibration wave output instrument and method of using the same  
A vibration wave output instrument and its use method are provided. The vibration wave output instrument has a base, a vibration device, a pressure device, and a position mechanism. The position...
US20130286790 SIMULTANEOUS COMPOSITE LAND SEISMIC SWEEP  
The invention is an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric...
US20130188459 DOWNHOLE HETERODYNED ECCENTRIC VIBRATOR  
The invention relates to delivering seismic energy with rotating eccentrics where the eccentrics are driven at relatively high, but different rotational rates create a heterodyned frequency of...
US20130163386 BURIED PRESSURIZED VOLUMETRIC SOURCE AND METHOD  
A seismic source configured to generate seismic waves underground. The source includes a tank configured to be buried underground, the tank having a cavity; an actuation mechanism provided inside...
US20130064035 ELECTROMECHANICAL TRANSDUCER  
An electromechanical transducer according to an embodiment of the present invention is capable of selectively performing a transmitting and receiving operation by using elements of different...
US20120069708 APPARATUS AND METHOD FOR GENERATING BROAD BANDWIDTH ACOUSTIC ENERGY  
An acoustic transmitter includes: an acoustic diaphragm configured to transmit acoustic waves into a medium; a piezoelectric actuator assembly configured to deform in an axial direction in...
US20130286779 QUASI-IMPULSIVE DISPLACEMENT SOURCE  
The invention is an electric seismic vibrator source of the type used in seismic prospecting for hydrocarbons that creates a quasi-impulsive burst of seismic energy onto the ground and into the...
US20100271908 Tectonic discharger  
The structure for severe earthquakes prevention includes : at least one vibro-shock machine with a drive-adjuster,at least one anvil shock-transmitter,dry well unit, controls, seismographs, all...
US20080193811 Vibration Generator and a Polymer Electrolyte Membrane Fuel Cell with a Water Removing Structure Using the Vibration Generator  
The present invention relates to a polymer electrolyte membrane fuel cell with a water removing structure capable of improving a performance of the fuel cell itself due to water removing...
US20130201799 SWEEP DESIGN FOR SEISMIC SOURCES  
A system and method are described herein for generating a frequency sweep signal set for use in seismic data gathering. Low frequency sweep rate modifications are combined to compensate for...
US20120163124 ULTRASONIC DETECTION DEVICE AND ULTRASONIC DIAGNOSTIC DEVICE  
Provided is an ultrasonic detection device including: a capacitive electromechanical transducer including a cell that includes a first electrode and a second electrode disposed so as to oppose...
US20120108943 SYSTEMS AND METHODS FOR MINIMALLY-INVASIVE OPTICAL-ACOUSTIC IMAGING  
An imaging guidewire can include optical fibers communicating light along the guidewire. At or near its distal end, one or more blazed or other fiber Bragg gratings (FBGs) directs light to a...
US20130272089 ELECTROMAGNETICALLY DRIVEN MARINE VIBRATOR  
A marine vibrator has a housing that comprises a displacement member, the displacement member having a first position and a second position, the housing and the displacement member together...
US20150117157 INTEGRATED PASSIVE AND WIRELESS SENSOR  
A passive and wireless sensor is provided for sensing at least one of magnetic field, temperature or humidity. The sensor can provide only one of the sensing functions, individually or any...
US20110194376 Free Charge Carrier Diffusion Response Transducer For Sensing Gradients  
Devices for sensing gradients are constructed from material whose properties change in response to gradients. One embodiment of the device is a transducer (200) for sensing gradients that includes...
US20140086012 VOLUMETRIC PIEZOELECTRIC SEISMIC WAVE SOURCE AND RELATED METHODS  
Seismic wave sources and related methods are provided. A seismic wave source includes a housing, plural pillars and an excitation system. The housing is split in two halves along a plane including...
US20130250733 SEISMIC FREQUENCY SWEEP ENHANCEMENT  
A method of performing a seismic sweep includes forming a composite force profile; constructing a target seismic frequency sweep using the composite force profile; and operating a seismic source...
US20150092517 SYSTEM AND METHOD FOR PERFORMING SEISMIC SURVEYS WITH A CONTROLLED SOURCE USING MAXIMUM-POWER SWEEPS  
The output spectrum of a controllable swept-frequency acoustic source at a given frequency can be controlled by making the rate of change of frequency equal to the desired output power spectrum...

Matches 1 - 50 out of 81 1 2 >