|
Match
|
Document |
Document Title |
|
|
8175769 |
Obstacle detection device, in particular a frame for a motorised opening panel of a motor vehicle, and resulting opening panel
The invention relates to a device for the detection of an obstacle (43) in relation to a controlled-movement panel (3), including: deformable tubular means or a flexible tube (31) for the...
|
|
|
8134891 |
Apparatus for generating a seismic source signal
A seismic source signal generator having feed-forward control uses pressure, current, and/or valve position sensors to detect system component parameters. Initial and operating parameters are...
|
|
|
8059923 |
Systems and methods for minimally-invasive optical-acoustic imaging
An imaging guidewire can include one or more 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...
|
|
|
8027223 |
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...
|
|
|
7987943 |
Apparatus and method for generating a seismic source signal
A seismic source signal generator includes a mass, a primary accumulator and a secondary accumulator, the secondary accumulator having an internal volume smaller than an internal volume of the...
|
|
|
7916578 |
Seismic wave generation systems and methods for cased wells
A vibration source (10) includes an armature bar (12) having a major length dimension, and a driver (20A) positioned about the armature bar. The driver (20A) is movably coupled to the armature bar...
|
|
|
7907474 |
Superheterodyne seismic vibrator and method
A seismic energy source includes at least a first and a second acoustic radiator operatively coupled to a non-linear medium proximate an upper limit of formations in the Earth's subsurface. The...
|
|
|
7902968 |
Obstacle detection device
An obstacle detection device has an ultrasonic sensor fixed to a first side of a mount member. The ultrasonic sensor sends/receives ultrasonic wave toward/from a second side of the mount member,...
|
|
|
7881160 |
Seismic vibrator array and methods of operation
An arrangement for conducting a seismic survey and methods for operating a vibrator array in a seismic survey. A signal source coupled to an array of vibrators drives the vibrators with a set of...
|
|
|
7872949 |
Vibrator array, manufacturing method thereof, and ultrasonic probe
In an ultrasonic transducer array, a plurality of vibrators arranged in an array is bonded to a base plate by bond material. The bond material bonds the bottom of the each vibrator to the base...
|
|
|
7867178 |
Apparatus for generating shock waves with piezoelectric fibers integrated in a composite
Apparatus for Generating Shock Waves directed at an area of a human or animal body to be treated using piezoelectric fibers, for generating shock waves. The piezofibers integrated in a composite...
|
|
|
7869307 |
Ultrasonic transmission member
An ultrasonic transmission member including one end part and the other end part and transmitting an ultrasonic wave input into the one end part to the other end part is formed by preparing a main...
|
|
|
7859945 |
Efficient seismic data acquisition with source separation
A method for the simultaneous operation of multiple seismic vibrators using unique modified pseudorandom sweeps and recovery of the transmission path response from each vibrator is disclosed. The...
|
|
|
7841444 |
Seismic vibrator baseplate
One example of a seismic vibrator system includes a baseplate having a bottom surface and a coupling mechanism, the coupling mechanism being operable to a deployed position; a hold-down mass...
|
|
|
7813224 |
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...
|
|
|
7731661 |
Method for imaging the mechanical properties of tissue
An imaging system comprises a device to excite mechanical waves in elastic tissue, a device for measuring the resulting tissue motion at a plurality of locations interior to the tissue at a number...
|
|
|
7678055 |
Ultrasonic probe with a conductive substrate connected to a transducer
A piezoelectric transducer for sending and receiving an ultrasonic wave and an FPC for applying current to the piezoelectric transducer is provided, the FPC is arranged oppositely to a side face of...
|
|
|
7660492 |
Systems and methods for minimally-invasive optical-acoustic imaging
An imaging guidewire can include one or more 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...
|
|
|
7650962 |
Rotary actuated seismic source and methods for continuous direct-push downhole seismic testing
Remotely operated rotary actuated shear wave generating apparatus and methods that generate horizontally polarized vertically propagating shear waves for use in down-hole shear wave velocity...
|
|
|
7639567 |
Generating seismic vibrator signals
A method and apparatus for generating a seismic source signal are provided for generating energy in the form of a plurality of time sequence vibratory signals, the vibratory signals being...
|
|
|
7628248 |
Apparatus and method for generating a seismic source signal
A seismic source signal generator includes a mass, a primary accumulator and a secondary accumulator, the secondary accumulator having an internal volume smaller than an internal volume of the...
|
|
|
7515505 |
Method for continuous sweeping and separation of multiple seismic vibrators
A method for simultaneously operating multiple seismic vibrators using continuous sweeps (little or no “listening” time between sweeps) for each vibrator, and recovering the separated seismic res...
|
|
|
7508733 |
High-frequency processing of seismic vibrator data
A method of processing seismic data obtained using a seismic vibrator that includes estimating travel times of direct wave arrivals between the seismic vibrator and an array of seismic receiver...
|
|
|
7499378 |
Device for emitting seismic vibration waves
The invention relates to a device for emitting seismic vibration waves mountable on a movable platform (100) comprising a vibration system for transmitting the waves into the ground and a system...
|
|
|
7477573 |
Oscillation generator for seismic applications
An oscillation generator for seismic applications includes a housing in which two coils are housed, both coils being acted upon with alternating current or electrical impulse and permanent magnets,...
|
|
|
7436734 |
Shaped high frequency vibratory source
The present invention is a method of processing seismic data in which one or more seismic vibrators are activated with one or more pilot signals and vibrator motions are recorded along with seismic...
|
|
|
7420879 |
Device for seismic emission in an underground formation and method for implementing same
A device for seismic emission in an underground formation comprising one or more vibrators of any type and method for implementing same. According to a preferred embodiment, each vibrator comprises...
|
|
|
7388811 |
Method for separating microseismic signals from seismic signals emitted by one or several sources
This invention is a method of separating induced microseismicity signals from seismic signals acquired within active seismic monitoring operations carried out in underground zones under development...
|
|
|
7364008 |
System for imparting mechanical impulse energy to the ground
The invention relates to an apparatus and method for imparting a precise amount of impulse energy to be delivered to the ground. The apparatus includes an anvil for operative deployment against the...
|
|
|
7330401 |
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 the step of combining into a drive signal a high frequency sweep...
|
|
|
7289038 |
Underwater sound radiation apparatus
A plurality of actuators are provided at predetermined intervals on the reverse surface of a predetermined side wall of a swimming pool. When an electric signal corresponding to a sound to be...
|
|
|
7136325 |
Vibration generator for seismic applications
A vibration generator can be used for seismic applications, producing vibrations for exploration of near-surface subsoils up to 150 meters. Containing two coils activated with AC current or other...
|
|
|
7013989 |
Acoustical telemetry
Method, apparatus and article of manufacture for monitoring and characterizing the operation of a transducer (i.e., motor or pump) downhole. In particular, transducer RPMs are determined by...
|
|
|
6831877 |
System and method for determining an azimuth of a seismic energy source
The present invention provides a system for, and method of determining an azimuth of a seismic energy source. In one embodiment, the system includes a directional assembly having a mount configured...
|
|
|
6640628 |
Level-measuring device
This invention relates to a level-measuring device in which a signal generating device, a sampling device and a transmitting and/or receiving device are optimally connected to one another for...
|
|
|
6603707 |
Method of reducing harmonic noise in vibroseis operations
The invention relates to a vibroseis analysis method in which frequency-sweep signals (10) are emitted into a subsurface, the signals reflected on the substrata of such a subsurface (10, 20) are...
|
|
|
6493289 |
Ultrasonic cleaning apparatus
Provided is a vibrating section having an ultrasonic transducer of piezoelectric elements and a rear ultrasonic horn and a front ultrasonic horn, the horns being joined to the transducer. The...
|
|
|
6474439 |
Dipole logging tool
A logging tool having a tool body, which can be positioned in a fluid-filled borehole, including a receiver section and a dipole transmitter; wherein the dipole transmitter includes a transducer...
|
|
|
6438243 |
Vibration wave detector
A vibration wave detector having a first diaphragm for receiving vibration waves, such as sound waves and so on, to be propagated in a medium, a resonant unit having a plurality of cantilever...
|
|
|
6181646 |
Geophysical exploration system using seismic vibrator source which provides a composite sweep
|
|
|
6065562 |
System for imparting compressional and shear waves into the earth
A seismic vibrator system for imparting compressional and shear wave vibrations into the earth has an earth contacting base with a vertical post. A tubular hub is slidably received on the post in a...
|
|
|
5717170 |
Swinging-weight vibrator for seismic exploration
Seismic exploration for hydrocarbons may use an eccentric-mass (or "swinging-weight") vibrator as the seismic source. According to the invention, a vibrator undergoes alternate periods of...
|
|
|
5710720 |
Phase lock loop based system and method for decomposing and tracking decomposed frequency components of a signal, with application to vibration compensation system
Disclosed is a system for decomposing an original signal of arbitrary frequency content into a user determined plurality of signals, each of which signals is centered about a variable center...
|
|
|
5703833 |
One step inversion/separation scheme using a plurality of vibrator sources
A method for generating, recording and pre-processing high fidelity vibratory seismic data in a system that uses a plurality of vibratory sources includes the steps of measuring the motion of each...
|
|
|
5666328 |
Three axis seismic vibrator
A three-axis seismic vibrator is provided which imparts compressional and shear wave seismic vibrations, either sequentially or simultaneously, into the Earth's surface. The seismic vibrator...
|
|
|
5401919 |
Removable piston bore liner for hydraulically actuated seismic vibrator
A removable bore liner is provided that substantially increases the dependability, flexibility and field-serviceability of seismic vibrators and other hydraulically actuated devices. A method for...
|
|
|
5360951 |
Earth reaction seismic source
A source for emission of seismic energy waves into subsurface earth formations is provided with electrically energizable signal generators mounted between two plate members. One of the plate...
|
|
|
5347494 |
Shaped-sweep technology
A method for producing simple seismic wavelet shapes with minimal side lobe energy for use as reference signals for seismic vibrators is disclosed.
|
|
|
5331607 |
Sweep frequency vibrator
A sweep frequency vibrator is set forth. It has an elongate cylindrical housing closed at the top and bottom ends. On the interior, there is a reactionary mass fixed to identical upper and lower...
|
|
|
5252785 |
Broad band seismic vibrator
A broad band seismic vibrator includes a hydraulically-operated actuator with a piston shaft depending from the actuator. A spherical member or ball is secured to an end of the shaft and received...
|