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| Number | Title | Issue Date |
| 8185327 | Monitoring of composite materials In a particular system for monitoring of a composite workpiece, at least one ultrasonic testing transducer is mounted to a surface of the composite workpiece and configured to transmit and receive ultrasonic energy to and from the composite workpiece during mechanic... | 05/22/2012 |
| 8175820 | Defect inspection apparatus and defect inspection method An object of the present invention is to quantitatively evaluate a distribution of defects which are generated within an inspection material. In order to achieve this object, the present invention provides a defect inspection apparatus comprising: an ultrasonic wave... | 05/08/2012 |
| 8170809 | Guided waves for nondestructive testing of pipes A method for the nondestructive testing of pipeline, and internal or external coatings, using guided ultrasonic waves excited from the inside or outside diameter, wherein at least two transducers are employed to send and receive ultrasound, wherein a data normalizat... | 05/01/2012 |
| 8060319 | Acoustic structural integrity monitoring system and method A method and system for detecting structural damage in a structure by detecting acoustic emissions from damage in a structure to obtain acoustic emission data, and processing the acoustic emission data in accordance with a model characterising acoustic paths. The mo... | 11/15/2011 |
| 7917311 | Method for structural health monitoring using a smart sensor system The structural health monitoring method of the present invention utilizes a sensor system to determine information about deformation, stress and/or damage in structural elements. The sensor system and the method employ at least one sensor which comprises a material ... | 03/29/2011 |
| 7881881 | Structural health monitoring apparatus and methodology Disclosed is an apparatus and methodology for structural health monitoring (SHM) in which smart devices interrogate structural components to predict failure, expedite needed repairs, and thus increase the useful life of those components. Piezoelectric wafer active s... | 02/01/2011 |
| 7865316 | System, program product, and related methods for registering three-dimensional models to point data representing the pose of a part A system, program product, and method to perform automated three-dimensional image registration of a part within an inspection cell, are provided. The system can include a laser-ultrasound inspection device having a scanning head to generate ultrasonic surface displ... | 01/04/2011 |
| 7783433 | Automated defect detection of corrosion or cracks using SAFT processed Lamb wave images A system, method and computer program product is provided for automated defect detection of corrosion or cracks using synthetic aperture focusing technique (SAFT) processed Lamb wave images. The method comprises processing the first image using a synthetic aperture ... | 08/24/2010 |
| 7706985 | System and method for in-situ monitoring of composite materials In a non-limiting, exemplary system for in-situ monitoring of a composite workpiece, at least one ultrasonic testing transducer is mounted to a surface of a composite workpiece and configured to transmit and receive ultrasonic energy to and from the composite workpi... | 04/27/2010 |
| 7643945 | Technique for acoustic data analysis A method of enhancing acoustic pump data for monitoring of pump condition in operation. The enhancement may be in the form of a substantial reduction in the amount of data to be processed by firmware to a much more manageable level. This may be achieved through pre-... | 01/05/2010 |
| 7599804 | Method for detecting structure-borne noise events in a roller bearing A method for detecting structure-borne noise events in a roller bearing, wherein a measuring signal M of a pressure or dilatation sensor arranged on a roller bearing is fed to a frequency filter for filtering out undesired signal parts. A first variance value is cal... | 10/06/2009 |
| 7599805 | Systems and methods for predicting supersonic acoustic signatures A system for determining an acoustic signature of a device is disclosed that includes a computer processor operable to determine strength and location of shock wave sound signals based on propagation of sound waves generated by the device. The strength and location ... | 10/06/2009 |
| 7584062 | Sub-wavelength ultrasound characterization of composite material An ultrasonic stimulus pulse is emitted incident to a laminar structure and recorded as pulse data. Echoes resulting from the stimulus pulse are recorded as echo data. One or more vectors are derived by way of time-shifting the recorded pulse data by respective amou... | 09/01/2009 |
| 7577533 | Ultrasonic inspection apparatus for inspecting a workpiece The invention relates to an ultrasound control device for non-destructively inspecting a workpiece. The inventive ultrasound control device comprises a transmitting-receiving sensor provided with an element for connecting to the input surface of a controlled workpie... | 08/18/2009 |
| 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 radiation into the spot weld joint, receives corresponding echoes, a... | 04/07/2009 |
| 7505853 | Inspection of composite materials Since ultrasonic velocities in anisotropic media can change by a factor of 3 or more depending on the direction of propagation, accounting for these changes is extremely important. Also many anisotropic materials are made up of multiple layers of varying orientation... | 03/17/2009 |
| 7502694 | Sonic exciter An apparatus for sonic excitation of a surface includes a transparent pane. A sidewall structure cooperates with the pane to define an open cavity facing the surface. At least one speaker is positioned to introduce sound to the cavity. Sound cancellation may be prov... | 03/10/2009 |
| 7496456 | 3D ultrasonographic device A three-dimensional ultrasonic inspection apparatus includes: a sensing device for ultrasonic inspection including an ultrasonic sensor as a transducer, in which a plurality of piezoelectric vibrators are disposed in a matrix or an array; a drive element selecting u... | 02/24/2009 |
| 7490011 | Diagnostic tool for an energy conversion appliance A diagnostic tool for an energy conversion appliance, which may be a heating, ventilating or air conditioning appliance, includes a sound receiving transducer (1) coupled to output elements (5) to identify, discriminate and log the acoustic signatures ... | 02/10/2009 |
| 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. The system utilizes an ultrasound measurement system, a signal analy... | 01/20/2009 |
| 7370537 | Ceramic ball bearing acoustic test method An acoustical mechanical test method prescribes compressing brittle balls in spherical conforming opposing platens producing equatorial bulging, tensile stresses, and resulting in crack or flaw growth with emissions of acoustical sounds for direct identification of ... | 05/13/2008 |
| 7360435 | Ultrasonic control of bolt tightening Tightening of a bolt is controlled by monitoring the change in round trip time of propagating longitudinal ultrasonic waves through the bolt and the reflection of these waves at the end of the bolt. The round trip time of the longitudinal waves through bolt is conti... | 04/22/2008 |
| 7359098 | System and method for testing scan and fax jobs A system and method for testing scan and fax jobs includes receiving a job request from a user to scan or fax an image, the job request including one or more parameters, providing a test image based on the one or more parameters for the job request, generating a tes... | 04/15/2008 |
| 7353140 | Methods for monitoring and controlling boiler flames The current invention provides a method and apparatus, which uses symbol sequence techniques, temporal irreversibility, and/or cluster analysis to monitor the operating state of individual burner flames on a appropriate time scale. Both the method and apparatus of t... | 04/01/2008 |
| 7348907 | Range compression in oversampling analog-to-digital converters An analog-to-digital converter according to the invention is provided. The analog-to-digital converter preferably includes an analog input signal, a first reference signal, a second reference signal, and a range compression signal. The range compression signal is pr... | 03/25/2008 |
| 7337672 | Method for inspecting grinding wheels This invention discloses a method of evaluating the internal structure of a grinding wheel through ultrasonic inspection. ... | 03/04/2008 |
| 7318335 | Ultrasonic gas leak detector including a detector testing device An ultrasonic gas leak detector of the kind where a detector transducer senses airborne acoustic ultrasonic sound waves emitted from a leakage in a gas installation is provided. The detector is provided with self-test means according to which an ultrasonic signal is... | 01/15/2008 |
| 7318350 | Valve monitoring system and method A valve monitoring system includes an alert generation system and a memory. The memory encodes baseline acoustic emission data on the valve for a predetermined period of operation. The alert generation system is arranged to receive acoustic emission data for the val... | 01/15/2008 |
| 7289938 | Method and a device for detecting discontinuities in a medium A method and a device for detecting discontinuities in a medium by detecting maxima, e.g. in an echo signal of an ultrasound excitation of the media, with maxima corresponding to a given discontinuity being grouped together as a function of coherence criteria applie... | 10/30/2007 |
| 7289914 | Ultrasonic flowmeter and ultrasonic flowmetering method An ultrasonic flowmeter casts an ultrasonic pulse toward a measurement line ML, processes ultrasonic echo signals, and calculates the position and speed of each ultrasonic reflector positioned along the measurement line ML by analyzing the ultrasonic echo signals su... | 10/30/2007 |
| 7274989 | Borehole equipment position detection system It is important to know the precise position of equipment when testing of the BOP, testing the wellhead, flow testing the well, kick control, well circulation and testing of spool trees between the wellhead and the BOP. Accordingly, there is provided a system for de... | 09/25/2007 |
| 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 signal to determine whether the material sample is defective. In one... | 09/18/2007 |
| 7272254 | System and method for analyzing and identifying flaws in a manufactured part A system and method for identifying flaws in a part being inspected includes generating a 3-d representation of the part, the 3-d representation comprising 3-d spatial coordinates corresponding to different locations on the part, and registering the 3-d spatial coor... | 09/18/2007 |
| 7248703 | Systems and methods for adaptive noise cancellation A system (400) for reducing non-acoustic noise includes a primary sensor (420), at least one secondary sensor (410), a filter (415), and a summation unit (425). The primary sensor (420) measures pressure and produces a prima... | 07/24/2007 |
| 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 ultrasound pulse method, comprising the following method... | 07/10/2007 |
| 7206030 | Fast-convergence two-stage automatic gain control (AGC) Disclosed are methods and systems for automatic gain control (AGC) in circuits. The disclosed methods and systems provide accurate and rapidly converging automatic gain control suited for video applications. According to disclosed preferred embodiments of the invent... | 04/17/2007 |
| 7189426 | Needle-shaped x-ray fluorescent material and method for vapor-deposition thereof on a substrate In a method for vapor-depositing a substrate with a layer of a needle-shaped x-ray fluorescent material containing at least one alkali metal, alkali halide phases and an alkali halide are mixed in a vapor phase and are vapor-deposited on the substrate. A needle-shap... | 03/13/2007 |
| 7191090 | Methods and systems for acoustically locating computer systems A method for determining a physical location of a source is provided. The method includes receiving an acoustic signal from a source placed within an acoustic monitoring area. The method also includes processing a received acoustic signal. The processing is configur... | 03/13/2007 |
| 7185987 | Projector and projector accessory A projector for enlarging and projecting the display image on a light valve onto a screen is provided with: an infrared photodetector for photodetecting infrared light that is emitted by an electronic pen that is manipulated on the screen and that is provided with a... | 03/06/2007 |
| 7187773 | System for evaluating abnormal sound, sound recorder and apparatus for evaluating abnormal sound An abnormal sound evaluation system according to this invention includes a sound recording device for recording a sound generated from equipment at a location adjacent the equipment, and an abnormal sound evaluation device for evaluating the sound recorded, wherein:... | 03/06/2007 |
