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7604595 |
Method and system for performing real time navigation of ultrasound volumetric data
An ultrasound system is provided that includes a display processor that accesses data volumes stored in an image buffer successively to control generation of at least one of 2D and 3D renderings...
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7590495 |
Inverse method to calculate material properties using a non-resonant technique
A method for calculating material properties of a material includes determining a dilatational wavespeed and a shear wave speed. The dilatational wavespeed is determined by conducting vertical...
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7584060 |
Inverse method to calculate material properties using an insertion loss test
A method for calculating material properties of a material includes conducting two insertion loss tests of the material having a single thickness and a double thickness. These tests are conducted...
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7549338 |
Nanostructure sensor of presence and concentration of a target molecule
Method and system (i) to determine when a selected target molecule is present or absent in a fluid, (2) to estimate concentration of the target molecule in the fluid and (3) estimate possible...
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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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7448269 |
Scanning near field ultrasound holography
A high spatial resolution phase-sensitive technique employs a scanning near field ultrasound holography (SNFUH) methodology for imaging elastic as well as viscoelastic variations across a sample...
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7412889 |
System and method for monitoring a filter
A monitoring assembly for a filter includes an acoustic apparatus. The acoustic apparatus includes a first receiver, a second receiver, a resonator, and a transmitter. The transmitter is configured...
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7331233 |
Method and apparatus for ultrasonic sizing of particles in suspensions
A particle size distribution monitor, comprising: a transducer adapted to be a source of ultrasonic energy and positioned in contact with a suspension containing a percent by volume of particles in...
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7114375 |
Process monitoring and particle characterization with ultrasonic backscattering
A fermention process is monitored by detecting ultrasound backscattered from the cells as a function of time. A transducer 46 is placed in a fermentor 30 and transmits ultrasound towards a...
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6959589 |
Ultrasound analysis of slurries
An autoclave reactor allows for the ultrasonic analysis of slurry concentration and particle size distribution at elevated temperatures and pressures while maintaining the temperature- and...
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6925869 |
Ultrasonic fuel-gauging system
The invention provides a fuel-tank system with an ultrasonic fuel-gauging system for an aircraft. The fuel-tank system includes a fuel tank, a transducer carrier tape covered with a separation...
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6799124 |
Method of optimizing risk informed inspections of heat exchangers
A probabilistic method for optimizing the inspection of a heat exchanger that determines the maximum number of degraded tubes that can be permitted to remain in service for a contemplated interval...
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6776044 |
Ultrasonic device for inspection
The invention is based on the problem of providing an inspection device and an inspection method, which recognise the defective lenses, which are difficult to detect with conventional optical...
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6772634 |
Conduit end identifier system
The system provides a means for identifying the opposite ends of each particular conduit of an array of conduits laidout in a building. The system includes a sonic transmitter and a sonic receiver...
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6678626 |
Power on self test (POST) and extended self test (EST) for ultrasonic imaging system
An ultrasonic imaging system including a power on self test (POST) and an extended self test (EST). The POST includes (a) a verification test, (b) a register test (c) a controller test, (d) a...
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6655215 |
Inverse corner cube for non-intrusive three axis vibration measurement
A non-intrusive apparatus and method for measuring vibration of an object along three axes. A vibration measurement device is provided which has three orthogonal right triangular panels forming a...
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6568270 |
Ultrasonic sensor self test for integrity/performance verification
A contaminant sensor is provided which has an ultrasonic guided wave transducer that is bonded to a wall in which the ultrasonic energy is transmitted. A detector reflector is provided at a...
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6501355 |
System having a switching device and an evaluation device for determining a remaining service life of a contact piece
A system includes a switching device, a sound device and an evaluation device. The switching device includes a housing and a contact system disposed in the housing, the contact system including a...
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6477898 |
Membrane mask stress measurement apparatus and method therefor
A method and apparatus for determining stress levels of membrane masks that may be used in membrane-based lithographic techniques is presented. A piezoelectric plate ( 30 ) is used to induce...
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6470752 |
Ultrasonic detection method and apparatus and ultrasonic diagnostic apparatus
An ultrasonic detection method and apparatus are suited for real-time collection of three-dimensional ultrasonic data. The ultrasonic detection apparatus has an ultrasonic-optical transducer...
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6457363 |
Method and apparatus for detecting and characterizing splits in logs
Ultrasonic techniques are applied to the measurement of wooden members to detect splitting during sawing operations and thereby allow modification of a sawing technique or change in saw cut placement.
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6397679 |
Method and apparatus for discriminating ultrasonic echoes using wavelet function processing
A method of and apparatus for discriminating among ultrasonic echoes reflected from various objects in a tank containing liquid is disclosed. Ultrasonic signals are generated from an ultrasonic...
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6324453 |
Methods for determining the identification and position of and monitoring objects in a vehicle
A vehicle interior monitoring system to identify, locate and monitor occupants, including their parts, and other objects in the passenger compartment and objects outside of a motor vehicle, such as...
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6295872 |
Ultrasonic measuring instrument
The invention relates to an ultrasonic measuring instrument comprising a housing which contains a transducer for transmitting and receiving ultra-sound waves, and a rotatable mirror placed inside...
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6186004 |
Apparatus and method for remote, noninvasive characterization of structures and fluids inside containers
An apparatus and method for the remote, noncontact evaluation of structures and containers at large distances (on the order of several meters) in air is described. The invention utilizes an...
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6112254 |
Method of detecting characteristics of liquids in pipes and pump controlling
In order to determine the nature of fluid passing through a pipe, for example whether material being pumped through a pipe is sludge or liquid phase, high frequency ultrasonic pulses from a...
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6105431 |
Ultrasonic inspection
A plate (12) or pipe wall is inspected by coupling an ultrasonic transducer (14, 16) to its surface so as to generate a compression wave or lateral wave (26) along the surface and a shear wave or...
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6016700 |
Signal processing apparatus for ultrasonic flaw detection system
Apparatus (10) for processing a return waveform generated by directing an ultrasonic pulse at an object (S) under test. A signal converter (12) converts the return waveform from an analog to a...
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5922958 |
Acoustic channel for contaminant detection on a surface
A sensor plate is formed as an acoustic channel on which an acoustic transducer is mounted to send ultrasonic waves along a surface of a base wall of the acoustic channel which is exposed to...
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5773721 |
Laser beam aiming apparatus for ultrasonic inspection
An apparatus for aiming an ultrasonic beam to nondestructively test an object has an ultrasonic transducer for generating the ultrasonic beam having a beam axis and impinging the ultrasonic beam...
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5693885 |
Sampling and reconstruction of propagating wavefields
Acquired signals representing samples of propagating wavefields are processed using space-time linked variable methods to form images having better definition and resolution than may be obtained by...
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5589636 |
Method of and apparatus for the detection of an ultrasonic field
The number of transducers in the scanning of an ultrasonic field from an object is reduced by providing ultrasonic collectors at spaced apart locations in the medium and transmitting the ultrasonic...
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5567881 |
Method and apparatus for inspecting a structural part having surface irregularities
An inspection apparatus and associated method includes a sensor housing defining an internal cavity in which a sensor is at least partially disposed for inspecting the surface of a structural part...
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5492012 |
Time-of-flight method for sizing cracks through fluid-filled gaps in structures
A method and apparatus for sizing a surface-connected planar crack through a gas- or liquid-filled gap. Ultrasonic energy having a frequency equal to the resonant frequency of the gap is emitted...
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5457995 |
Horizontal boring pipe penetration detection system and method
A method and apparatus for detecting pipe penetration by the bore head of horizontal boring machine utilizes acoustic and seismic sensors. A sensitive acoustic microphone is placed in the bottom of...
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5431053 |
Ultrasonic imaging method and apparatus, using time inversion or signals
A method for internal inspection of pieces having an interface with a propagation medium, is described. The steps include: illuminating a reference piece with an ultrasound beam from a first array...
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5337610 |
Method of determining load in anisotropic non-crystalline materials using energy flux deviation
An ultrasonic wave is applied to an anisotropic sample material in an initial direction and the intensity of the ultrasonic wave is measured on an opposite surface of the sample material by two...
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5178018 |
System for measuring the time for a signal to pass between two spaced points in a fluid
A measurement system for measuring the time for a signal to pass between two transducers TDR1,2 to allow fluid speed or flow to be determined in a gas meter for example. Each transducer can...
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5115672 |
System and method for valve monitoring using pipe-mounted ultrasonic transducers
A system and method for determining the condition of one or more parameters of a valve, e.g., particularly a check valve in a fluid carrying pipe, by monitoring fluid turbulence downstream of the...
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5105393 |
SCR control for high current discharge circuit
The disclosure is directed to a circuit for producing electrical discharges in response to trigger signals, and a form of the disclosure is directed to an apparatus, which includes such a circuit,...
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4938225 |
Ultrasonic echograph utilizing at least one piezoelectric transducer with an associated random phase screen, and method of scanning an object by means of such an echograph
The ultrasonic echograph comprises at least one piezoelectric transducer (10, 13) for the transmission and/or reception of an ultrasonic scanning beam (20). With at least one piezoelectric...
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4803638 |
Ultrasonic signal processing system including a flaw gate
An ultrasonic signal processing system that includes flaw gates that process signals from an inspection transducer is disclosed. The flaw gates operate in pairs where each pair is dedicated to a...
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4704905 |
Automation control apparatus
An automation control apparatus for determining whether there is an article within a target area, and, if so, whether the article meets certain predefined acceptability criteria. The control...
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4691569 |
Apparatus for observing sound field of ultrasonic wave
An apparatus for observing a sound field of an ultrasonic wave, including a first unit which determines characteristic values of a medium at each point of a predetermined region by an ultrasonic...
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4653327 |
Acoustical inspection method for inspecting the ceramic coating of catalytic converter monolith substrates
An acoustic inspection method is disclosed for determining in a catalytic converter monolith substrate whether a ceramic coating was applied in a predetermined amount and uniformly to the surface...
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4648081 |
Circuit for automatic seabed discrimination
A circuit automatically determines the nature of the seabed over which a vessel is passing, indicating via an audible or other warning signal when a fishing vessel is above a type of seabed which...
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4633714 |
Aerosol particle charge and size analyzer
An instrument for analyzing the size and charge of aerosol particles employs a dual beam laser Doppler velocimeter to track the motion of a particle while subjecting the particle to a sinusoidal...
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4603583 |
Method for the ultrasonic testing of ferritic parts having a cladding
Method for the ultrasonic testing of ferritic bodies having a cladding surface, a surface opposite the cladding surface, a cladding disposed on the cladding surface, an ultrasound transmitter...
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4519249 |
Apparatus for detecting the condition of a sheet or web
For the detection of defects such as tears or fold lines in banknotes, for example, continuous wave ultrasonic energy is directed by a transmitter to a flow path for the notes and ultrasonic energy...
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4480473 |
Acoustic inspection method
There is disclosed an acoustic inspection method for determining whether the actual fluid flow path through a manufactured fluid flow system such as an evaporator core is of a prescribed length and...
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