Class / Patent application number | Description | Number of patent applications / Date published |
073632000 |
Sonic wave transmitter or receiver transducer
| 334 |
073618000 |
Measuring or testing system having scanning means
| 147 |
073627000 |
By reflected wave
| 145 |
073597000 |
Velocity or propagation time measurement
| 127 |
073602000 |
With signal analyzing or mathematical processing
| 70 |
073606000 |
Imaging of discontinuity with stationary sonic transmitter
| 31 |
073599000 |
Attenuation measurement
| 29 |
073603000 |
Acoustic holography
| 6 |
073601000 |
Having plural, diverse forms of radiant energy | 5 |
20080307886 | System and method for automated inspection of large-scale part - Systems and methods can automatically inspect a workpiece. Non-destructive inspection sensors are mounted on a frame mounted on a transport device. Position of a first predetermined location of a workpiece is measured with a tracking system. The transport device is moved to position the non-destructive inspection sensors proximate the first predetermined location of a workpiece. A first portion of a workpiece proximate the first predetermined location is non-destructively inspected with the non-destructive inspection sensors. Position of a second predetermined location of a workpiece can be measured with the tracking system. The transport device can be moved to position the non-destructive inspection sensors proximate the second predetermined location of a workpiece, and a second portion of a workpiece proximate the second predetermined location can be non-destructively inspected with the non-destructive inspection sensors. Data can be provided from the sensors to a computing system and analyzed by the computing system. | 12-18-2008 |
20130036820 | METHOD AND INSTALLATION FOR ULTRASOUND INSPECTION OF BUTT-WELDING OF TWO TRANSVERSE ENDS OF TWO METAL STRIPS - A method and installation for inspecting a butt weld of transverse ends of metal strips held together between first and second jaws along the ends, include leaving an interstice between the jaws for passage of a first transmission channel of incident waves generating ultrasound waves on one surface of the first strip and enabling passage of a second transmission channel of waves emerging from the surface of the second strip. The incident waves of the first channel are generated using laser pulses in an operating state implementing a third channel of waves generated on the surface of the first strip, passing through the weld, and emerging in the second channel. Weld inspection characteristics are identified by analyzing the operating state related to the pulses and a measurement of a signature of a vibration state of the surface of the second strip upon emergence of the waves in the second channel. | 02-14-2013 |
20150068310 | SENSOR WITH OBLIQUE-ANGLE DISPLAY - A sensor comprises a detector defining a zone axis and adapted to receive a signal from within a zone around the zone axis and to generate an electrical signal, and a display module defining a display plane and adapted to display a pattern in the display plane based on the electrical signal, the display being oriented along an axis forming an angle with the zone axis such that the pattern is visible both from a direction parallel to the zone axis and from a direction perpendicular to the zone axis. In certain examples, the angle is about 45°, 40°-50°, 35°-55° or 25°-65°. | 03-12-2015 |
20160011151 | Energy Analysis Method for Hidden Damage Detection | 01-14-2016 |
20160131475 | DEVICE FOR THE ROBOTIC CONTROL OF A STRUCTURE BY ULTRASOUND-LASER - The device according to the invention consists of associating a laser inspection head including a source emitting a laser beam swept along a defined axis and a handling robot seeing to the movement and spatial orientation of parts whose structure requires inspection. The inspection head and the handling robot are configured and arranged across from one another such that the inspection head occupying a stationary position, the handling robot can move the part to be inspected across from the inspection head, such that the sweep of the laser beam combined with the movement of the part in a direction perpendicular to the sweeping direction makes it possible to inspect the entire surface of the part. In one particular configuration, the handling robot makes it possible to vary the orientation of the part relative to the direction of the laser beam so as to have optimal lighting of the part. | 05-12-2016 |
073609000 |
Measuring or testing system having threshold, gating, delay, or blocking means | 4 |
20120247210 | SYSTEM FOR DAMPING THE REFLECTION WAVE AT THE OPEN END OF A MAGNETOSTRICTIVE SENSOR SYSTEM - The invention relates to a system for damping the reflection wave at the open end ( | 10-04-2012 |
20130081468 | METHOD AND APPARATUS FOR ULTRASONIC TESTING - A method for ultrasonic testing of an object, the method comprising ultrasonic scanning of a plurality of scan regions of the object; converting ultrasonic echoes of the ultrasonic scanning into a plurality of electrical signals; gating the electrical signals to provide gated signals; and wherein different gating times are used for the electrical signals. | 04-04-2013 |
20140345385 | ACOUSTIC WAVE DETECTION PROBE AND PHOTOACOUSTIC MEASUREMENT APPARATUS PROVIDED WITH THE SAME - An acoustic wave detection probe includes a light projection section that emits measuring light to be projected onto a subject, an acoustic wave transducer disposed adjacent to the light projection section and capable of detecting an acoustic wave, an acoustic lens provided on a detection side of the acoustic wave transducer, and a housing accommodating the light projection section, the acoustic wave transducer, and the acoustic lens, in which the acoustic lens and a surface portion of the housing adjacent to the acoustic lens are formed to have an optical property in which the average diffuse reflection factor is 85% or more and the average absorption factor is 10% or less in a wavelength range of the measuring light. | 11-27-2014 |
20150355145 | PHASED ARRAY BILLET DATA EVALUATION SOFTWARE - A computer-implemented method for evaluating echo signals obtained from a phased array experiment on a billet is disclosed. The computer-implemented method may comprise collecting the echo signals from a pulser/receiver unit, correlating the echo signals with a position on a longitudinal axis and a circumferential angle of the billet, computing an amplitude for each of the echo signals, displaying the amplitudes as indications in a c-scan data plot at a computer display unit, and determining the signal-to-noise ratios of indications located in a region-of-interest box relative to noise in surrounding boxes in the c-scan data plot. The computer-implemented method may further comprise classifying each indication as rejectable, reportable, or insignificant based on its amplitude and signal-to-noise ratio. The computer-implemented method may find applications in quality control evaluations in the aircraft industry. | 12-10-2015 |
Entries |
Document | Title | Date |
20080289420 | Ultrasound Transducers - The invention relates to a thin film aluminium nitride ultrasound transducer, a method of manufacture the transducer and a test component upon which a thin film aluminium nitride ultrasound transducer is deposited. The aluminium nitride film may be (002) orientated with its c-axis normal to the surface of a substrate made of glass or a composite material. The invention also includes a system for non-destructive testing wherein a pulse is emitted from an ultrasound transducer to propagate through the test component and a reflected pulse is detected by the aluminium nitride thin film ultrasound transducer. The ultrasound transducer can be integrated into engine components such as bearings. | 11-27-2008 |
20080289421 | BOILER TUBE INSPECTION PROBE WITH CENTERING MECHANISM AND METHOD OF OPERATING THE SAME - A centering apparatus for internal nondestructive testing of a tube to be inspected includes an elongated shaft member coupled to an inspection probe; a plurality of fingers, pivotally attached at a first end thereof to a mounting surface affixed to the shaft member, the plurality of fingers circumferentially surrounding the shaft member; and an expansion mechanism, disposed between the plurality of fingers and the shaft member, the expansion mechanism configured to selectively and outwardly extend a second end of the plurality of fingers with respect to a longitudinal axis of the shaft member, so as to bring the second end of the plurality of fingers into contact with an inner surface of the tube to be inspected, thereby centering the inspection probe within the tube. | 11-27-2008 |
20090000380 | 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 at a zero wavenumber. Utilizing these insertion loss tests, a dilatational wavespeed is computed. The method continues by calculating a shear wavespeed by performing three insertion loss tests of the material at single, double and triple thicknesses. These tests are conducted at a non-zero wavenumber. A shear wavespeed can be calculated from the dilatational wavespeed and these insertion loss tests. Lamé constants, Young's modulus, Poisson's ratio, and the shear modulus for the material of interest can then be calculated using the dilatational and shear wavespeeds. | 01-01-2009 |
20090000381 | Acoustic impact detection and monitoring system - A system is disclosed for detecting and locating harmful impacts to pipelines using sensors placed along the pipeline. The exact spacing of sensors is site specific and is set with the goal of maximizing sensor spacing without reducing system performance and reliability. At each sensor location, preferably there are four basic components, i.e., a hydrophone, solar power components, and data processing and communications equipment. Each hydrophone directly measures the acoustic noise fluctuation in a pipe section, which propagates at long distances in the pipeline at the specific speed of sound for the particular type of pipe. If specific signal parameters exceed a programmed threshold, a detection message is generated and transmitted via a communications link to a central monitoring and diagnostic center. | 01-01-2009 |
20090100935 | Surface Acoustic Wave (Saw) Based Pressure Sensor - A SAW based pressure sensor comprises a base ( | 04-23-2009 |
20090114021 | Ultrasonic inspection method and device for plastics walls - The invention relates to a method and system for ultrasonic time of flight diffraction inspection of a plastics wall, such as a pipe wall. The method comprises providing an ultrasound transmitter and transmitting an ultrasound signal having a nominal frequency into the wall, providing an ultrasound receiver and receiving the ultrasound signal transmitted through the wall. The ultrasound signal provided by the transmitter has a bandwidth of more than 80%, preferably more than 100% of the nominal frequency of the ultrasound signal provided by the transmitter. | 05-07-2009 |
20090120189 | System and method for detecting internal flaws in a particulate filter - A method of detecting an internal flaw in a particulate filter includes a step of coupling ultrasonic transducer with the particulate filter. The method also includes a step of moving at least one of the ultrasonic transducer and the particulate filter relative to the other. Consistent coupling of the ultrasonic transducer with the particulate filter is maintained during the moving step. Ultrasonic energy is transmitted from the ultrasonic transducer through a majority of a volume of the particulate filter. The method also includes a step of determining if the particulate filter includes an internal flaw using the ultrasonic energy. | 05-14-2009 |
20090178482 | Apparatus for Measuring Wall Thicknesses of Objects - An apparatus for measuring wall thicknesses of objects, comprises: a coordinate measuring machine comprising a probe holder and an object support, the coordinate measuring machine being configured to provide relative movement between the probe holder and the object support in three dimensions; and an ultrasonic test probe which is held by the probe holder. The coordinate measuring machine brings the transducer of the ultrasonic test probe into contact with a position on a surface of an object at the object support so that the probe can measure an object wall thickness at the probe contact position. | 07-16-2009 |
20090193898 | ULTRASONIC WAVE VIBRATING APPARATUS - An ultrasonic wave vibrating apparatus includes a passive element converting electric energy to ultrasonic vibration, electrodes, a horn body arranged in a forward side of the element and amplifying the vibration, a backing arranged in the base side of the element and backing the element, and a horn connecting portion having one end connected to the body and the other end connected to the backing to connect the body and the backing to each other with the element sandwiched between the body and the backing. At least one of the body, the connecting portion and the backing is formed of metallic glass. The body and the connecting portion can be formed of the metallic glass integrally with each other. A cover covering the element may be included, and the cover, the body and the connecting portion can be formed of the metallic glass integrally with each other. | 08-06-2009 |
20090282919 | MID-IR LASER FOR GENERATION OF ULTRASOUND USING A CO2 LASER AND HARMONIC GENERATION - A mid infrared range laser source for ultrasound inspection that comprises a high energy laser coupled with one or more harmonic generation devices. The high energy laser may be a CO2 laser and tuned to emit laser light at a single wavelength. The harmonic generation devices convert the laser beam into the mid infrared range for optimal ultrasound inspection. | 11-19-2009 |
20090293620 | COPYING APPARATUS - There is provided a copying apparatus that copies a workpiece, includes a shoe that is brought into contact with the workpiece, an air cylinder that enables moving the shoe in a vertical direction, a clamping mechanism that grasps the workpiece from side surfaces placed in a direction orthogonal to a traveling direction and, and a lateral translatory slide guide that slides the clamping mechanism in the direction. | 12-03-2009 |
20090308162 | METHOD FOR TESTING A BEARING COMPONENT BY MEANS OF ULTRASOUND AND OPTICAL INSPECTION - The invention relates to methods for testing a bearing component, in order to ensure that the bearing surface and a load-bearing region located underneath said bearing surface are in a perfect condition. According to the invention, a material testing depth containing the point of maximum mechanical load during operation is determined; in a first partial testing step, the bearing component is subjected to an ultrasound test by which means the material region underneath the bearing surface is tested for defects by means of ultrasound, at least up to the material testing depth; in a second partial testing step, a full optical test of the bearing surface is carried out, during which the actual surface state of the bearing surface is compared with a nominal surface state; and the bearing component is then only classified as faultless if the results of the two partial testing steps do not reveal any defects. | 12-17-2009 |
20100005888 | SENSOR FOR EXAMINING A VALUE DOCUMENT, AND METHOD FOR THE PRODUCTION OF SAID SENSOR - A sensor for examining a document of value ( | 01-14-2010 |
20100058869 | ULTRASONIC NON-DESTRUCTIVE TESTING - An apparatus and method for ultrasonic non-destructive testing provides an elongate strip of ultrasound transmissive material coupled at a proximal end to an object under test. The elongate strip has a transverse cross-section with a width and thickness giving an aspect ratio greater than unity and matched to the ultrasonic transducer such that excitation induces a substantially non-dispersive ultrasonic signal to propagate along the elongate strip to the proximal end and to enter the object under test. These non-dispersive pulses are particularly suited for time-of-flight measurements, thickness measurements, crack measurements and the like. The elongate strip helps to separate the transducer from a potentially hostile environment associated with the object under test. The elongate strip also has a large area of contact with the object under test allowing efficient transmission of energy into the object under test. | 03-11-2010 |
20100058870 | PHOTOACOUSTIC APPARATUS - A photoacoustic apparatus includes an acoustic lens configured to collect a acoustic wave, an acoustic detector configured to detect the acoustic wave collected by the acoustic lens, a driver configured to move at least one of the acoustic detector and the acoustic lens so as to measure the acoustic wave generated from an object to be measured due to a photoacoustic effect, and a controller configured to output a first measurement signal resulting from the acoustic wave that is generated from a first position in the object, and to eliminate a second measurement signal resulting from the acoustic wave that is generated from a second position different from the first position in the object. | 03-11-2010 |
20100319453 | PHOTOACOUSTIC MEASUREMENT APPARATUS - Disclosed is a photoacoustic measurement apparatus that irradiates a light beam onto a subject, from a same side as that of an acoustic wave detector, and that measures photoacoustic waves. The photoacoustic measurement apparatus has: an acoustic wave detector; a diffraction grating member provided in front of a detection surface of the detector; a light source that generates a light beam; and an optical system that guides the light beam from the light source towards the diffraction grating member. The diffraction grating member is configured such that the light beam led to the diffraction grating member is outputted by the diffraction grating member towards a subject surface that opposes the detection surface of the detector. As a result, light beams can strike a biological body in a near-perpendicular angle. This affords greater illumination efficiency, and allows light of substantial light energy to be irradiated deep inside biological structures. | 12-23-2010 |
20110016976 | ULTRASONIC NON-DESTRUCTIVE TESTING - An apparatus and method for ultrasonic non-destructive testing provides an elongate strip of ultrasound transmissive material coupled at a proximal end to an object under test. The elongate strip has a transverse cross-section with a width and thickness giving an aspect ratio greater than unity and matched to the ultrasonic transducer such that excitation induces a substantially non-dispersive ultrasonic signal to propagate along the elongate strip to the proximal end and to enter the object under test. These non-dispersive pulses are particularly suited for time-of-flight measurements, thickness measurements, crack measurements and the like. The elongate strip helps to separate the transducer from a potentially hostile environment associated with the object under test. The elongate strip also has a large area of contact with the object under test allowing efficient transmission of energy into the object under test. | 01-27-2011 |
20120090394 | SYSTEM AND METHOD FOR ACOUSTIC CHARACTERIZATION OF SOLID MATERIALS - The system and method for acoustic characterization of solid materials provides for the characterizing a solid sample based on an acoustic intensity spectrum of an attenuated acoustic signal transmitted through the solid sample. In use, a database of known intensity spectra associated with a plurality of solid materials is first formed. An acoustic generator is then positioned against a first surface of the sample to be tested. An acoustic sensor is positioned against a second surface of the sample to be tested, and the acoustic generator generates an acoustic signal having a fixed intensity. An intensity spectrum of an attenuated acoustic signal transmitted through the sample is measured with the acoustic sensor, and the measured intensity spectrum of the attenuated acoustic signal is compared against the database of known intensity spectra to determine at least one material forming the sample. | 04-19-2012 |
20120247209 | LAYERED COMPOSITE COMPONENTS - A method is provided that enables the identification of a region of a layered composite component that a test signal has passed through. The method comprises applying a label to the test signal as it passes through the region, such that the label applied to the test signal is indicative of the said region. The labelled signal can be identified by a sensor, even if the signal is of low strength and amongst a lot of noise, such as that caused by the multiple reflections and refractions that take place when an acoustic signal passes through a layered composite component. | 10-04-2012 |
20120304772 | ultrasonic sensor - An ultrasonic sensor, including a diaphragm cup, a housing and a decoupling element, the diaphragm cup and housing having a lateral surface, the decoupling element being at least partially made from an elastic material and having a continuous recess bounded by an inner wall of the decoupling element, the diaphragm cup and/or the housing being at least partially situated in the recess. To prevent sound being transmitted through a gap between the diaphragm cup and the decoupling element and/or between the housing and the decoupling element, the inner wall of the decoupling element is tautened by the contraction of elastic material at least around an area of the lateral surface of the diaphragm cup, circumferentially surrounding the diaphragm cup and/or the housing, and/or a lacquer layer applied on the lateral surface of the diaphragm cup, and/or the lateral surface of the housing so that the inner wall in this area rests flush against the lateral surface of the diaphragm cup and/or the lacquer layer applied on the lateral surface of the diaphragm cup and/or the lateral surface of the housing. | 12-06-2012 |
20130025371 | Evaluation of Porosity in Aluminum Ingot - Porosity of aluminum ingot can be evaluated using focused beam ultrasonic testing and/or florescent dye penetrant testing. The aluminum ingot can be machine cut to form an aluminum ingot slice prior to testing. The machine cut can be performed using a polycrystalline cutting material in a “fly cutter” configuration. The polycrystalline cutting material can comprise a diamond material. The insert can cut an aluminum ingot slice to a surface roughness finish in the range of about 7-9 micro inches. | 01-31-2013 |
20130205903 | PHOTOACOUSTIC MEASURING DEVICE AND METHOD - The present invention provides a photoacoustic measuring device and a method by which the presence of an object can be easily identifyied in a relatively short time in photoacoustic measurement while holding an object by a holding plate. The photoacoustic measuring device has a irradiating unit with which the object is irradiated with light, a holding unit holding the object by the holding plate, a detecting unit detecting the photoacoustic wave generated by irradiating light and an analyzing unit analyzing photoacoustic signal of the photoacoustic wave. The analyzing unit analyzes a photoacoustic signal to acquire information concerning change of a signal intensity of a component of the photoacoustic signal of produced in an interface between the detecting unit and the holding plate and an interface between the holding plate and the object, to identify the presence of the object. | 08-15-2013 |
20140060193 | DEVICES, SYSTEMS, AND METHODS FOR NON-DESTRUCTIVE TESTING OF MATERIALS AND STRUCTURES - Provided are devices, systems, and methods for the testing of materials and structures. For example, the devices, systems, and methods are optionally used for the non-destructive testing of a material or structure. Furthermore, the devices, systems, and methods may optionally use a high-amplitude, air-coupled acoustic source for non-destructive testing of materials and structures. | 03-06-2014 |
20140102202 | ROTARY TRANSFORMER FOR ROTARY ULTRASONIC TESTING APPARATUS AND ROTARY ULTRASONIC TESTING APPARATUS USING THE SAME - The rotary transformer | 04-17-2014 |
20140109675 | ULTRASONIC TESTING INSTRUMENT WITH DITHERY PULSING - Disclosed is an ultrasonic device optimized with both averaging and dithery pulsing techniques. The averaging technique significantly removes white noise; on the other hand, the dithery pulsing significantly removes acoustic noise, which is otherwise accumulated during conventional averaging processes. | 04-24-2014 |
20140109676 | ROTARY ULTRASONIC TESTING APPARATUS WITH HYDRAULIC LIFTING UNITS - The present application provides a rotary testing apparatus for use with a work piece. The rotary testing apparatus may include a rotor, a probe, and a lifting unit for maneuvering the probe about the work piece. The lifting unit may include a hydraulic lifting mechanism and a counterweight mechanism. | 04-24-2014 |
20140150555 | PROPERTY MEASURING DEVICE FOR OBJECT TO BE MEASURED AND PROPERTY MEASURING METHOD FOR OBJECT TO BE MEASURED - [Problem to be Solved] To provide a property measuring device for measuring a measurement object, which can highly reliably extract an electric signal serving as the measurement object from an electromagnetic field noise or the like generated by an acoustic wave generating source even if the acoustic wave is a continuous wave, while a high spatial resolution is maintained, by using an acoustic wave as a properly measuring means for measuring an object and method thereof. | 06-05-2014 |
20140290367 | Method and Device for Examining a Sheet-Shaped or Card-Shaped Valuable Document Having a Security Feature Having One or More Cavities - A method is for examining a sheet-shaped or card-shaped value document with a security feature having one or more cavities configured in the value document. The width of the cavity or cavities is in at least one respectively specified direction exceeding 10 μm. Transmission values are established in a locally resolved manner for the transmission of ultrasound in a specified frequency range. In employing the transmission values, it is checked whether a specified number of transmission values is greater than a specified transmission threshold value. | 10-02-2014 |
20150122026 | ULTRASONIC MEASURING METHOD AND DEVICE - An ultrasonic measuring method for measuring an inside of a measured object by using ultrasonic waves propagating through air includes attaching a sheet having an acoustic impedance higher than the air as well as lower than the measured object to the measured object and measuring the inside of the measured object to which the sheet is attached by using a sensor. | 05-07-2015 |
20150122027 | EVALUATION OF POROSITY IN ALUMINUM INGOT - Porosity of aluminum ingot can be evaluated using focused beam ultrasonic testing and/or florescent dye penetrant testing. The aluminum ingot can be machine cut to form an aluminum ingot slice prior to testing. The machine cut can be performed using a polycrystalline cutting material in a “fly cutter” configuration. The polycrystalline cutting material can comprise a diamond material. The insert can cut an aluminum ingot slice to a surface roughness finish in the range of about 7-9 micro inches. | 05-07-2015 |
20150360644 | SPECIALIZED RESTRAINT SYSTEMS FOR AMUSEMENT RIDES - The patron restraint system for amusement rides includes a locking receiver with a locking assembly for engaging a restraining strap. The engagement of the restraining strap in the locking receiver can be verified by a ride operator by visual or physical inspection, or by a sensor system indicating the locked or unlocked state of the locking receiver. A latching ratchet mechanism may be provided in the receiver to restrict movement of the restraining strap until it is released by the ride operator. The sensor system includes an acoustic sensor that detects alignment of an aperture with a piezoelectric acoustic emitter and an acoustic detector. | 12-17-2015 |