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7601120 |
Method and device for the non-invasive assessment of bones
A method for the in vivo non-invasive characterization of the material and architectural properties of a bone in which an ultrasonic wave is introduced into a bone in such way as to produce one or...
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7591181 |
Ultrasonic testing of fitting assembly
Apparatus and method for determining relative and/or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of transient shear...
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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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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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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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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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7503217 |
Sonar sand detection
Methods and apparatus for detecting particles flowing in a fluid within a conduit involve analysis of acoustic pressure signals detected with an array of at least two pressure sensors. The analysis...
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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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7451649 |
Differentiation and identification of analogous chemical or biological substances with biosensors
A biosensor detection system for detecting a particular substance has at least two biosensor devices. Each biosensor device includes a piezoelectric material, an input transducer mounted on the...
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7430912 |
Random incident absorber approximation
A method for measuring a first angular specific sound absorption spectrum of a first sound absorbing sample. The first sound absorbing sample has a predetermined random incidence sound absorption...
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7426866 |
Acoustic liquid dispensing apparatus
A liquid dispensing apparatus for dispensing droplets of a liquid, and methods for measuring various fluid parameters of the liquid are described. The liquid dispensing apparatus comprises a...
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7418867 |
Remote use of ultrasonic sensors
A method and apparatus for conducting ultrasonic inspections of what would normally be inaccessible areas of objects for such properties as thickness, cracks, discontinuities, density, pits and...
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7398685 |
Measuring method using surface acoustic wave device, and surface acoustic wave device and biosensor device
A measuring method using a surface acoustic wave device, with which even in a case where a target substance having a different viscosity is added to a buffer liquid on the surface acoustic wave...
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7390379 |
Method and apparatus for determining the lateral position of a web or fabric edge in a former
The lateral position of a web or fabric edge 11 in a paper machine is determined using an ultrasonic sensor. The ultrasonic sensor has a detector head 42 , with an air channel system which opens...
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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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7357027 |
Ultrasonic sensor system for web-guiding apparatus
A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one...
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7353709 |
Method and system for determining material properties using ultrasonic attenuation
A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is...
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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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7328197 |
Identifying a state of a data storage drive using an artificial neural network generated model
The state or condition of a data storage drive, or a subsystem within a drive, may be evaluated by comparing a set of selected parameter values, converted into a trial vector, with a number of...
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7305884 |
In situ monitoring of reactive material using ultrasound
The present invention provides a device and method of non-destructively monitoring reactive material through a substrate for changes in material properties that designate the condition of the...
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7299697 |
Method and system for inspecting objects using ultrasound scan data
A method and apparatus for estimating a depth of a crack from ultrasound scan data are provided. The method includes mapping multiple amplitude responses from the ultrasound scan data, each mapped...
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7290451 |
Status discriminating apparatus of human, animal, machine or the like using ultrasonic vibration detecting sensor, and status discriminating method of human, animal, machine or the like using the same
A human or other status discriminating apparatus includes an ultrasonic vibration detecting sensor comprising a container main body, a liquid packed tightly in the container main body, and an...
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7284433 |
Ultrasonic testing of fitting assembly for fluid conduits with a hand-held apparatus
Hand-held apparatus and method for determining relative and/or absolute axial position of a conduit end within a fluid coupling includes application of input ultrasonic energy in the form of...
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7270004 |
Method and apparatus for carrying out non-destructive testing of materials
A method of testing a material sample for defects, comprising the steps of applying a test signal to the material sample, receiving a return signal from the material sample and analysing the return...
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7263887 |
Method for inspection of metal tubular goods
A method for inspection of tubular goods includes using ultrasonic detection means to obtain wall thickness measurement of discrete sections of a tubular good and recording each measurement in...
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7263886 |
Apparatus for and methods of stress testing metal components
A tuning device ( 23 ) and an apparatus that incorporates the tuning device ( 23 ) for use in testing the integrity of a railway line ( 30 ) to obtain an improved test signal, the tuning device (...
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7240554 |
Method and device for sizing a crack in a workpiece using the ultrasonic pulse-echo technique
The invention relates to a method for determining the size of a fracture ( 26 ) in a workpiece ( 20 ), in particular the depth of a fracture ( 26 ) in said workpiece ( 20 ), by means of the...
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7204147 |
Ultrasonic inspection method for weld zone
An inspection method can easily determine welding condition by just comparing an echo height returned from the weld zone of a real product with a master data. An master data is made based on the...
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7195536 |
Integrated endpoint detection system with optical and eddy current monitoring
A chemical mechanical polishing apparatus and method can use an eddy current monitoring system and an optical monitoring system. Signals from the monitoring systems can be combined on an output...
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7140238 |
Method for determining the composition of a fluid
Method for determining the composition of a homogeneous fluid, for example a petroleum effluent on flow, an emulsion consisting of water and oil, or a foam consisting of oil and gas. The...
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7124637 |
Determining amplitude limits for vibration spectra
A method for determining vibration amplitude limits of a mechanical device. The method comprises identifying a mechanical device and a frequency range for a spectrum to be analyzed, retrieving...
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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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7107852 |
Method of inspecting food stuffs and/or associated packaging
A system to perform measurements on liquids, meat, viscous sugar or starch-based materials, and other foodstuffs using air-coupled ultrasound is provided. The technique uses ultrasonic transducers...
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7086285 |
Nondestructive inspection method and system therefor
A method and system for determining the fiber volume fraction of a composite structure. The system includes a unit for ultrasonically determining the porosity volume fraction in the article, and a...
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7069154 |
Method and apparatus for detecting and automatically identifying defects in technical equipment
A method and apparatus for detecting and automatically identifying defects in technical equipment, is disclosed. Measurement signals varying in time are downloaded as spectrograms to a computer...
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7047809 |
Ultrasonic monitor of material composition and particle size
A method and apparatus for determining the composition of a containerized material, typically a suspension, through which ultrasonic waves are passed. The component ratios and particle sizes of a...
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7036376 |
Device for evaluating signals
A welding system includes a device for evaluating an ultrasonic signal during a welding process. The device has a meassured value evaluation unit that, in normal operation, evaluates at least one...
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6962083 |
Devices for the ultrasonic testing of a workpiece by the transmission technique
A device for the free-jet ultrasonic testing of a workpiece by the transmission technique includes a first test head, serving as an ultrasound transmitter, and a second test head, serving as an...
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6931930 |
Method for determining the pressure present in the interior space of an air spring for a motor vehicle and apparatus for carrying out the method
An ultrasonic pulse/echo measurement arrangement includes an ultrasonic transducer ( 12 ), which is mounted spatially fixed on an air spring cover plate ( 4 ). The arrangement further includes a...
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6874365 |
Method, system, and means for ultrasound inspection
A method of ultrasound inspection is provided. The method includes providing a composite first part, introducing ultrasound to the part, receiving reflections of the ultrasound introduced in the...
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6865948 |
Method of wafer edge damage inspection
A source of ultrasound waves or energy is directed at the wafer that is to be inspected in a direction that is essentially perpendicular with the surface of the wafer. The ultrasonic waves are...
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6834548 |
Method and apparatus for reduction of high-frequency vibrations in thick pellicles
A method of reducing sound-induced vibrations in pellicles used in lithographic production of microelectronic features comprises providing a pellicle for protecting a photomask, monitoring...
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6807860 |
Multiple alloy rotor transition zone measurement system and method
A method to determine a depth of an internal feature in a forging using an ultrasonic transducer including: collecting data on echoes reflected by the internal feature of ultrasonic signals...
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6796184 |
Ultrasound sorting of weanlings and identification of tenderness indicators
A method and system for determining meat quality in cattle is provided. In preferred embodiments the method comprises obtaining an ultrasound measurement of a cattle specimen between the 12 th rib...
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6789428 |
Method and apparatus for evaluating damage of metal material
A damage evaluation method and apparatus of a metal material which is capable of determining whether a flaw in the metal sample is originated by the creep damage or in the manufacturing process,...
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6786086 |
Determining the in situ effective mobility and the effective permeabilty of a formation
A method for determining the in-situ effective mobility of hydrocarbons in a formation layer, in which a formation test tool, having a fluid analyzer, induces sample fluid to flow from the...
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6745628 |
Method and apparatus for testing thin material
A method is described for testing thin material wherein the material is irradiated with ultrasonic waves at least in certain areas and transmission of the ultrasonic waves through the material is...
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6732587 |
System and method for classification of defects in a manufactured object
Ultrasonic testing techniques may involve the measurement of ultrasonic waves from the tested part. These waves may reflect from surfaces of various layers within the part. Further, these waves may...
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6694816 |
APPARATUS AND METHOD FOR EVALUATING ROTATIONAL ACCURACY OF ROLLING BEARING AND ROLLING BEARING EVALUATED BY THE ROTATIONAL ACCURACY EVALUATION METHOD, AND APPARATUS AND METHOD FOR RADIAL VIBRATION OF ROTATING BODY AND ROTATION UNIT WITH ROTATING BODY EVALUATED BY THE RADIAL VIBRATION EVALUATION METHOD
The x- and y-direction vibration components of radial vibration of a rotational shaft 106 obtained by measurement from x and y directions are transformed into frequency sample values {X k Y k ,...
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6684703 |
Method for measuring adherence of a coating on a substrate
A process for measuring the bond of a coating on a substrate. Ultrasound echoes through the substrate of a test piece are collected and their amplitudes are measured, their decay being a function...
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