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7617731 |
Ultrasonic measuring apparatus and ultrasonic measuring method
An ultrasonic measuring method includes the steps of: receiving ultrasonic waves, which have been transmitted by a spread spectrum technique using mutually different codes, at first and second...
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7617730 |
Ultrasonic inspection and repair mode selection
In a method of inspecting a structure, a two-dimensional array of sensors is disposed onto a surface, ultrasonic pulses are sent into the surface, and echo signals are received. An image of damage...
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7614304 |
Ultrasonic testing system and method for ceramic honeycomb structures
Both a system and method for detecting the presence or absence of internal discontinuities or inhomogeneities in a fired or green ceramic honeycomb structure is provided. The system includes a...
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7614303 |
Device for measuring bulk stress via insonification and method of use therefor
A configuration for use with a processor that incorporates a suite of agents in a “flat” hardware architecture and superimposes thereon a self-forming, self-healing, hierarchical architecture...
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7614302 |
Acoustic fluid analysis method
A method of analyzing acoustic data, that includes determining fluid sound speed through connate fluid. The method involves sampling the fluid, sending an acoustic signal into the fluid between a...
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7603905 |
Magnetic navigation and imaging system
A system for imaging and magnetically navigating a medical device within an operating region in a subject's body includes a first C-arm and a second C-arm. The system includes an imaging beam...
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7603904 |
Method and apparatus for assessing or predicting the characteristics of wood
A method and apparatus for determining a characteristic, such as the stiffness, of a portion of a wood specimen characterised by the steps of a) producing an acoustic signal in the wood specimen...
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7600442 |
Ultrasonic probing method and apparatus therefor utilizing resonance phenomenon
A flaw Z with a long probing length inside a probing target is allowed to be probed. The waves other than the probing target waves are removed or reduced, so that the individual difference in the...
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7581444 |
Method and circuit arrangement for disturbance-free examination of objects by means of ultrasonic waves
A method and circuit arrangement for processing signals which are produced during disturbance-free examination of objects such as pipes or sheet metal, by reflecting ultrasonic waves at defective...
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7565841 |
Operating frequency selection method for hardness measurement system, operating frequency selection apparatus, and hardness measurement system
In a hardness measurement system, selecting an operating frequency is facilitated by using a phase shift circuit. A hardness sensor is connected to an operating frequency selection apparatus and in...
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7562577 |
Acoustic testing apparatus for testing a laminate material and an acoustic testing method for testing a laminate material
An acoustic testing apparatus for testing a laminate material comprising at least one layer of a first material having a first velocity for a first vibration mode and at least one layer, adjacent...
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7549336 |
Harmonic fatigue evaluation
A method and apparatus for determining the performance level, amount of wear, and remaining useful life of a new or worn object, preferably of metallic construction through harmonic fatigue...
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7546769 |
Ultrasonic inspection system and method
A method and system for microstructural evaluation and degradation evaluation of an object are provided. The method comprises insonifying at least one subvolume of the object with ultrasonic energy...
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7541923 |
Method for and system of intrusion detection by using ultrasonic signals
A method for and system of intrusion detection by using ultrasonic signals are provided. The method includes a training phase and a detection phase. The training phase includes capturing multi-echo...
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7533571 |
Apparatus for making high-sensitivity measurements of various parameters, and sensors particularly useful in such apparatus
A sensor for sensing a predetermined parameter having a known relationship with respect to the transit time of an energy wave through a medium, includes a body of soft elastomeric material having...
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7523640 |
Acoustic fluid analyzer
A method of determining properties of a formation fluid based on measurements of fluid sound speed, a measurement of fluid density, or both. The properties include compressibility, thermal...
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7520172 |
Inspection system for inspecting a structure and associated method
A system and method for inspecting a structure having a coating on at least one surface are provided. The system includes at least one ultrasonic sensor positioned proximate to the structure. Each...
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7516022 |
Method and system for assessing quality of spot welds
A system and method for assessing the quality of spot weld joints between pieces of metal includes an ultrasound transducer probing a spot weld joint. The ultrasound transducer transmits ultrasonic...
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7513160 |
Digital pulsed phase locked loop
A digital pulsed phase locked loop (DPPLL) provides exact measurements of echo phase, time, and/or position delay as well as echo amplitude. These exact measurements provide better and more...
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7509861 |
Method and device for local spectral analysis of an ultrasonic signal
The method decomposes the radio frequency signal into sub-bands by filtering, for example with a time-frequency transform. From the coefficients acquired through decomposition a matrix of spectral...
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7506546 |
Digital log amplifier for ultrasonic testing
The invention provides an ultrasonic object inspection system for measuring the physical properties of a test object which includes a pulse generator for sending an electrical pulse signal to a...
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7493220 |
Method and system for vibration signal processing
The present invention relates to a vibration signal processing method and system that can be used to account for situations where impact or impulse events are hidden in a normal vibration reading...
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7480574 |
Method to characterize material using mathematical propagation models and ultrasonic signal
The invention is directed to a system and method for detecting defects in a manufactured object. These defects may include flaws, delaminations, voids, fractures, fissures, or cracks, among others....
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7475596 |
Non-destructive testing of pipes
To perform a non-destructive condition assessment of a pipe carrying a fluid, an actual value representative of the propagation velocity of an acoustic disturbance propagating between two...
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7472598 |
Ultrasonic inspection apparatus and method for evaluating ultrasonic signals
An ultrasonic inspection apparatus for non-destructive inspection of a test body. The apparatus includes a probe, a transmitter operably connected to the probe, a receiver operably connected to the...
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7469589 |
Method and device for determining the limpness of sheet material by means of ultra-sound
The invention relates to an apparatus used in a method for determining the limpness of sheet material, in particular of bank notes, wherein the sheet material is irradiated with sound waves, sound...
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7464594 |
System and method for sensing a paper roll ultrasonically
A method for sensing paper on a paper roll is disclosed. The method comprises transmitting an ultrasonic signal into the paper roll and detecting an ultrasonic return echo transmit signal from the...
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7461554 |
Digital time variable gain circuit for non-destructive test instrument
In a non-destructive test instrument, there is provided a time variable gain (TVG) amplifier wherein the gain of the amplifier is dynamically changed to optimize the amplitude of a flaw echo...
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7454973 |
Ultrasonic inspection method and ultrasonic inspection equipment
In the ultrasonic inspection method and equipment, a high-resolution and high-S/N-ratio inspection image can be speedily acquired with ease-of-operability. Inspection of the inside of the...
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7454972 |
Method and apparatus for acoustically weighing moving loads
Acoustic weight or mass sensing technology (referred to here as Acoustic Weigh In Motion (AWIN)) provides accurate weighing of any type of moving load moving over a load bearing medium. Acoustic...
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7444875 |
Real time visualization of shear wave propagation in soft materials with sonoelastography
An ultrasound system visualizes shear wave propagation in real time by slowing down the propagation of the shear wave as seen by the ultrasound probe. The shear wave source propagates shear waves...
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7430911 |
Method of detecting and analyzing changes in the external loading conditions of a structure
A method for both detecting and analyzing a change in the loading condition of a structure. A flexible substrate is employed, in which a distributed network of sensors is built. This substrate is...
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7428842 |
Phased array ultrasonic testing system and methods of examination and modeling employing the same
A phased array ultrasonic testing system is for examining turbine disc bores and blade attachments for discontinuities, such as stress corrosion cracking. The system is particularly suited to...
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7424827 |
Inspecting method of elastic body, inspecting apparatus thereof, and dimension predicting program thereof
In an inspecting method of a piezoelectric/electrostrictive actuator having a piezoelectric/electrostrictive element and two or more electrodes, the frequency response characteristics is picked up...
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7421900 |
Ultrasonograph, ultrasonic transducer, examining instrument, and ultrasonographing device
An ultrasonograph, an ultrasonic transducer, an inspection device, and an ultrasonic imaging device enabling easy and quick inspection and high-resolution or high-speed processing are provided....
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7403871 |
Extraction of imperfection features through spectral analysis
Autonomous non-destructive inspection equipment provides automatic and/or continuous inspection and evaluation of a material under inspection. The inspection equipment preferably comprises at least...
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7389693 |
Methods and apparatus for porosity measurement
A method for non-destructively inspecting a composite structure with a single ultrasonic transducer includes determining a calibration amplitude of ultrasonic transmissions emitted by the single...
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7383733 |
Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device
A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic...
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7383732 |
Device for inspecting micro structure, method for inspecting micro structure and program for inspecting micro structure
Test sound wave is outputted from a speaker. A movable part of a three-axis acceleration sensor, which is a micro structure of a chip to be tested TP, moves due to the arrival of the test sound...
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7383731 |
Deep-fry oil quality sensor
A cooking oil quality sensing apparatus and system includes an acoustic wave sensor composed of one or more acoustic wave transducers configured upon a piezoelectric substrate such that when the...
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7383730 |
Methods for determining velocity of a stress wave within a material and homogeneity of properties within the material
Methods for evaluating properties of a material are provided. In a first method, the velocity of a stress or sound wave is calculated by measuring the time of flight of the stress/sound wave...
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7380455 |
System and method for resolving phase ambiguity of a transducer array to determine direction of arrival of received signals
System and method for resolving phase ambiguities of various transducer arrays, including non-coplanar interferometer antennas on an aircraft skin, in order to determine the direction of arrival of...
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7377170 |
System and method for the identification of chemical mechanical planarization defects
The present invention presents a novel application of a wavelet-based multiscale method in a nanomachining process chemical mechanical planarization (CMP) of wafer fabrication. The invention...
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7373822 |
Method for evaluating a weld joint formed during a welding process
A method for evaluating, during a welding process, a welded joint as it is forming between at least two parts of a joint using at least one ultrasonic transmitter sound penetrating the region of...
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7370534 |
Multiangle ultrasound imager
Systems and methods to obtain an ultrasonic image of a large detection area are disclosed. A system includes a source of ultrasound generating ultrasonic energy and projecting the ultrasonic energy...
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7363817 |
System and technique for detecting the presence of foreign material
Systems and techniques for detecting the presence of foreign material in food utilizing optical backlighting and/or ultrasonic inspection are presented. In optical backlighting, a substantially...
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7339521 |
Analytical instruments using a pseudorandom array of sources, such as a micro-machined mass spectrometer or monochromator
Novel methods and structures are disclosed herein which employ pseudorandom sequences to spatially arrange multiple sources in a pseudorandom source array. The pseudorandom source array can replace...
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7337672 |
Method for inspecting grinding wheels
This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection.
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7334479 |
Systems and methods for non-contact measuring sputtering target thickness ultrasonics
A method and apparatus for ultrasonically measuring the thickness of sputter targets of varying shapes. An immersion bubble ( 32 ) and transducer ( 36 ) provide pulses to a front surface ( 24 ) and...
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7331234 |
Ultrasonic imaging method and ultrasonic imaging apparatus
An ultrasonic imaging method and apparatus capable of obtaining image information at a high volume rate and improving resolution. The ultrasonic imaging apparatus has an ultrasonic transducer array...
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