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| Number | Title | Issue Date |
| 8151644 | Method and apparatus of detecting an object A portable non-contact sensor system including a laser generator subsystem, a laser detector subsystem, a beam steering subsystem, an analysis subsystem, a power management subsystem, a user interface, and a communications interface. The laser generator subsystem is... | 04/10/2012 |
| 8146431 | Method and system for non-destructively testing a metallic workpiece The invention relates to a method for nondestructive testing of a metallic workpiece (11) using an ultrasonic transducer testing head having the following steps: to generate an ultrasonic wave, an excitation pulse is transmitted using the ultrasonic transduce... | 04/03/2012 |
| 8113056 | Mid-IR laser for generation of ultrasound using a COlaser and harmonic generation A mid infrared range laser source for ultrasound inspection having 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 genera... | 02/14/2012 |
| 8079266 | Device for testing material and measuring thickness on a test object having at least electrically conducting and ferromagnetic material parts A device is disclosed for material testing on a test object having at least electrically conducting and ferromagnetic material parts. The test object has at least one technical surface on which at least one electromagnetic ultrasonic transducer (EMUS) is rolled. The... | 12/20/2011 |
| 8037765 | Electromagnetic acoustic transducer using magnetic shielding A combined electromagnetic acoustic transducer (EMAT) is disclosed that uses magnetic shielding to increase the efficiency (defined as the received signal per unit of excitation current). In addition, electromagnetic shielding may also be used to reduce the direct c... | 10/18/2011 |
| 8037764 | Device and method for the material testing and/or thickness measurements of a test object that contains at least fractions of electrically conductive and ferromagnetic material The invention relates to a device and a method for testing the material of a test object (4) which contains at least electrically conductive and ferromagnetic material fractions and has at least one engineered surface (5), by means of at least one elec... | 10/18/2011 |
| 8006560 | Laser ultrasonic property measurement apparatus A mode of the present invention includes a transmitter (12) for shooting exciting laser light to an object of measurement (M) to excite ultrasonic waves in the object of measurement (M), a receiver (14) for shooting probing laser light to the object of... | 08/30/2011 |
| 8006559 | Wayside rolling stock inspection Inspection of rolling stock (e.g., rail vehicles) traveling along a set of rails is performed using devices that are placed in a housing that is attached to the set of rails. The housing conforms to standard width, height, and load bearing requirements for a railroa... | 08/30/2011 |
| 7992440 | Optical fiber vibration sensor An optical fiber vibration sensor includes a light source, an optical receiver, an optical dividing/coupling portion, a signal processing unit, and a fiber loop portion made of an optical fiber. A part of an optical fiber composing the fiber loop portion is installe... | 08/09/2011 |
| 7963168 | Inspection apparatus and inspection method using electromagnetic wave The present invention is to provide inspection apparatus and method of being able to acquire electromagnetic wave response information of an inspection object at high speed as average information using an electromagnetic wave. An inspection apparatus using an electr... | 06/21/2011 |
| 7886604 | Electromagnetic ultrasonic flaw detection method and electromagnetic ultrasonic transducer to be used therefor An electromagnetic ultrasonic flaw detection method is provided which ensures highly accurate inspection of an interior surface of a fin-implanted heat transfer tube for detection of corrosion and requires less time for the inspection, no contact medium such as wate... | 02/15/2011 |
| 7726193 | Electromagnetic acoustic transducer with cross-talk elimination The electromagnetic acoustic transducer (EMAT) transducer disclosed herein is useful for the non-destructive analysis of objects. The transducer comprises a core having a winding and a coil disposed between the core and the object to be analyzed. One transducer can ... | 06/01/2010 |
| 7721607 | Ultrasonic inspection system, method, and apparatus Ultrasonic inspection system, method, and apparatus for subsurface ultrasonic inspection of curved objects. The inspection system includes an apparatus having a support structure for supporting a selected transducer and a selected acoustic mirror adapted for immersi... | 05/25/2010 |
| 7665364 | Method and apparatus for remote sensing of molecular species at nanoscale utilizing a reverse photoacoustic effect A method and apparatus for identifying a sample, involves illuminating the sample with light of varying wavelengths, transmitting an acoustic signal against the sample from one portion and receiving a resulting acoustic signal on another portion, detecting a change ... | 02/23/2010 |
| 7628076 | Ultrasound sensor An ultrasound sensor has an ultrasound oscillator which is expandable and contractible in a thickness direction thereof, and a casing which houses therein the ultrasound oscillator. An outer surface of an end portion of the casing is fixed to a mounting member. The ... | 12/08/2009 |
| 7624640 | Opto-acoustic methods and apparatus for performing high resolution acoustic imaging and other sample probing and modification operations An opto-acoustic transducer assembly includes a substrate; at least one layer of opto-acoustic material coupled to a surface of the substrate, where the at least one layer of opto-acoustic material generates sound waves when struck by pulses of pump light; and an ac... | 12/01/2009 |
| 7559241 | High-throughput continuous-flow ultrasound reactor Liquids are treated by ultrasound in a flow-through reaction vessel with an elongate ultrasonic horn mounted to the vessel with one end of the horn extending into the vessel interior. The liquid flow path inside the vessel is such that the entering liquid strikes th... | 07/14/2009 |
| 7546770 | Electromagnetic acoustic transducer An electromagnetic acoustic transducer (EMAT) for inspecting an object is provided. The EMAT includes a magnet configured to generate a magnetic field in an object and a radio frequency coil configured to induce eddy currents on a surface of the object. The EMAT fur... | 06/16/2009 |
| 7454974 | Probe system, ultrasound system and method of generating ultrasound A probe system for initiating and stabilizing plasma discharge includes an inner conductor coupled to an AC voltage source. The probe system also includes an outer conductor arranged around the inner conductor and coupled at one end to the AC voltage source. The out... | 11/25/2008 |
| 7437934 | Self-contained apparatus for inspection of electric conductors A self-contained apparatus for inspecting energized and de-energized conductors. The apparatus includes a housing, at least one transmitter contained within the housing for generating and impinging pulses onto an electrical conductor, such that the pulses travel thr... | 10/21/2008 |
| 7434467 | Electromagnetic ultrasound converter An electromagnetic ultrasonic transducer for coupling-media-free generation and/or reception of ultrasonic waves in the form of linearly polarized transverse waves in and from a workpiece is disclosed, having at least one unit which converts the ultrasonic waves ins... | 10/14/2008 |
| RE40515 | Method and apparatus for inspecting pipelines from an in-line inspection vehicle using magnetostrictive probes A method and system for implementing magnetostrictive sensor techniques for the nondestructive evaluation of pipeline structures. The system consists of a magnetostrictive sensor instrument unit, a data storage unit, and a plurality of magnetostrictive sensor probes... | 09/23/2008 |
| 7406873 | Electromagnetic acoustic transducer An electromagnetic acoustic transducer (12, 24) has one or a plurality of magnets for applying a DEC magnetic field to a material (4, 25) under test, and an electrical coil (2, 23) supplied by an alternating current source for, providing an AC m... | 08/05/2008 |
| 7395715 | Electromagnetic ultrasound probe Disclosed is an electromagnetic ultrasonic probe for coupling-media-free generation and reception of ultrasonic waves in the form of linearly polarized transverse waves in a workpiece (5), and from a workpiece (5), having a unit which generates the ult... | 07/08/2008 |
| 7395714 | Magnetically attracted inspecting apparatus and method using a ball bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate the opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a... | 07/08/2008 |
| 7380456 | 3-dimensional ultrasonographic device This three-dimensional ultrasonographic device is a three-dimensional ultrasonographic device having a matrix sensor 9 composed of a plurality of piezoelectric vibrators which are formed independently and arranged in a matrix, and it generates 3D imaging data... | 06/03/2008 |
| 7371445 | Structurally efficient airbag cushion exhibiting high available inflation volume The present invention relates to an airbag cushion which exhibits a low amount of seam usage (in order to attach at least two fabric panels or portions of a panel together) in correlation to an overall high amount of available inflation airspace within the cushion i... | 05/13/2008 |
| 7369250 | System and method to inspect components having non-parallel surfaces The present invention provides a method to detect and generate ultrasonic displacements at a remote target for ultrasonic inspection. This method involves generating an ultrasonic wave at a first location on an upper surface of the remote target. This ultrasonic wav... | 05/06/2008 |
| 7369721 | Optical imaging system with optical delay lines An electromagnetic signal processing system (10) comprises a plurality of optical fiber arrays (11, 12, 13, 14, 15 and 16) each having a cluster of optical fibers with their one ends (40) oriented to receive electromagnetic radiation from... | 05/06/2008 |
| 7357029 | Thermal-acoustic scanning systems and methods Systems and methods for identifying thermal response of a test structure. An example of the system includes a device that generates a excitation beam, a scanning device that scans the thermal excitation beam over a test structure, and a detector that detects acousti... | 04/15/2008 |
| 7355176 | Method of forming TEM specimen and related protection layer A method of forming a protection layer on a specimen for TEM inspection and a method of forming a specimen for TEM inspection are provided. The method of forming a protection layer on a specimen for TEM inspection generally comprises coating a wafer slice comprising... | 04/08/2008 |
| 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 compared with a reference signal produced using the same generation and ... | 04/08/2008 |
| 7347053 | Densifier for simultaneous conditioning of two cryogenic liquids A densifier is provided which in one embodiment can simultaneously densify two cryogenic liquids at different temperatures. The densifier has an oscillatory power source for generating oscillatory power and a two stage pulse tube refrigerator. The oscillatory power ... | 03/25/2008 |
| 7320249 | Magnetically attracted inspecting apparatus and method using a fluid bearing An apparatus and method for inspecting a structure are provided which include probes with sensing elements and are disposed proximate opposite surfaces of a structure, where only one of the probes need be driven. A tracking probe may be magnetically coupled to a dri... | 01/22/2008 |
| 7318603 | Airbag cushion and method of making airbag cushion The present invention relates to an airbag cushion which exhibits a low amount of seam usage (in order to attach at least two fabric panels or portions of a panel together) in correlation to an overall high amount of available inflation airspace within the cushion i... | 01/15/2008 |
| 7317314 | Method for measuring stress/strain using Barkhausen noises In a method of measuring stress/strain by detecting Barkhausen noise, an exciting/sensing device is arranged at least adjacent to a magnetic or magnetizable element, and passing an increasing magnetizing current through the exciting device. The start of the Barkhaus... | 01/08/2008 |
| 7315279 | Antenna system for producing variable-size beams An antenna system has multiple antenna feed elements combined in a number of element sets independently controlled to provide a beam of a variable size. Multiple input power dividers are provided for dividing an input signal, and multiple phase controllers are respe... | 01/01/2008 |
| 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 reactive material during cure and service life. A transducer is placed on ... | 12/11/2007 |
| 7302852 | Vibration measuring and monitoring system A vibration measuring and monitoring system (100) for an object (20) includes a laser unit (11), a laser sensor unit (12), and a processor (15). The laser unit is used for emitting a laser beam (13). The laser sensor unit is... | 12/04/2007 |
| 7290450 | Process diagnostics A diagnostic device for use in a industrial process includes monitoring electronics or diagnostic circuitry configured to diagnose or identify a condition or other occurrence in the industrial process. The system can be implemented in a process device such as a flow... | 11/06/2007 |
