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| Number | Title | Issue Date |
| 7726191 | Method and apparatus for ultrasonic testing of an object A method for ultrasonic testing of an object, wherein at least one test moment an ultrasonic test signal (S1, S2) is transmitted into the object (2), while after a particular verification period (Δt1, Δt2) measured from s... | 06/01/2010 |
| 7562576 | Convenient ultrasonic inspection device An ultrasonic transducer device is pressed against the front surface of a structure, emits an ultrasonic pulse into the structure, and detects an echo profile from the structure. An indicator is activated if the echo profile includes a return pulse that at least is ... | 07/21/2009 |
| 7383733 | Method and apparatus for the sonic detection of high pressure conditions in a vacuum switching device A method and apparatus for detecting a high pressure condition within an interrupter includes introducing high intensity ultrasonic sound into the outer wall of a vacuum interrupter through a sonic wave guide, then listening for the reflected and retransmitted respo... | 06/10/2008 |
| 7328619 | Phased array ultrasonic NDT system for fastener inspections An ultrasonic probe suited for testing the integrity of sheet metal surfaces around fastener openings is provided with means to center the probe over such openings. Both a mechanical centering rod and an electronic display assist the user in centering such probe. On... | 02/12/2008 |
| 7299806 | Compliant probe interface assembly A probe interface assembly for an automated medical imaging system is provided. The assembly comprises a platform including and inner frame for supporting an ultrasound probe in spaced apart relationship relative to a compression paddle arranged to apply a compressi... | 11/27/2007 |
| 7268893 | Optical projection system There is provided an optical projection system for projecting an image onto an object that is being manufactured and/or inspected. The system includes an image-projecting device, a target-locating device for determining the orientation of the image-projecting device... | 09/11/2007 |
| 7263888 | Two dimensional phased arrays for volumetric ultrasonic inspection and methods of use The present disclosure provides for the application of a two-dimensional ultrasonic phased array (100), formed of a plurality of transducers (102) arranged in a rectilinear pattern, for material and volumetric component testing. The two-dimensional arr... | 09/04/2007 |
| 7234353 | Non-fluid acoustic coupling An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd... | 06/26/2007 |
| 7236616 | Biometric piezo scanner A piezoelectric thin film sensor array is used to scan and capture biometric data, for example, a fingerprint image. In one embodiment, a multi-layer structure includes a PVDF layer in between two conductor grids arranged orthogonally to one another. Urethane can be... | 06/26/2007 |
| 7210329 | Method for determining temporal and amplitude threshold values of gates during ultrasound testing of spot welding joints The invention relates to a method for determining the threshold value of screens which enable an evaluation of a sound coupling during the ultrasound testing of a series of spot welding joints of a selected type. Initially, a geometrical minimal thickness dMin is es... | 05/01/2007 |
| 7194905 | Acceleration sensor A three-axis acceleration sensor having a simple construction is provided for improving shock resistance without lowering sensor sensitivity. An acceleration sensor for detecting acceleration in three orthogonal directions comprises an electrode substrate pai... | 03/27/2007 |
| 7181970 | Method and device for testing a component having a complex surface contour by means of ultrasound A method and a device for testing a structural component having a complex surface contour utilizing ultrasound, at least one ultrasonic head (UPK) being guided along the surface contour (OK) of the structural component (BT) by means of a manipulator (MM) having seve... | 02/27/2007 |
| 7123935 | Communication device, imaging device, communication method, and recording medium storing program to execute communication method in computer readable state When a communication device transmit search information to an imaging device to request search of image data, the imaging device performs search of stored image data based on the received search information. Then, the communication device receives the image data sea... | 10/17/2006 |
| 7104132 | Acoustic coupling with a fluid bath An apparatus examines the internal structure of an object disposed substantially in a medium such as air. The apparatus has an acoustic transducer assembly that emits and receives acoustic signals and an acoustic coupler that acoustically couples the acoustic transd... | 09/12/2006 |
| 7069786 | Ultrasonic transducer structures The present invention provides an ultrasonic transducer structure, comprising a first ultrasonic transducer element (1), arranged and operable for transmitting an ultrasonic signal from a front face of the structure, damping material (2) at the back of... | 07/04/2006 |
| 7055389 | Acoustic coupling with a fluid retainer An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ... | 06/06/2006 |
| 7054229 | Multi-line towed acoustic array shape measurement unit An acoustic array comprising a plurality of nodes attached to two or more lines. Some or all of the nodes include an emitting transducer and a receiving hydrophone, and the balance include only a receiving hydrophone. Each emitting transducer has associated electron... | 05/30/2006 |
| 7048699 | Non-cylindrical acoustic wave device An acoustic wave device including a non-cylindrical and non-point acoustic wave transducer adapted to generate an acoustic wave and positioned along a longitudinal axis, and a reflector arranged with respect to the transducer so as to focus an acoustic wave emanatin... | 05/23/2006 |
| 7010982 | Method of ultrasonically inspecting airfoils A method is disclosed for nondestructively examining airfoils for defects without removing them from the turbine machines of which they are a part. The method uses phased array ultrasound technology, which can be used with all types of airfoils. The angle of entry o... | 03/14/2006 |
| 6981417 | Scanning acoustic micro imaging method and apparatus for non-rectangular bounded files Method and implementing apparatus useful in acquiring data on acoustic features within a sample provides a pulsed acoustic probe and a stage system for effecting relative movement between the sample and the probe. The stage system is commanded such that the probe in... | 01/03/2006 |
| 6973832 | Acoustic coupling with a fluid bath An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ... | 12/13/2005 |
| 6957582 | Ultrasonic system and method of gauging aircraft fuel and detecting battle damage An aircraft ultrasonic system for fuel gauging and battle damage detection comprises: at least one ultrasonic transducer disposed at a fuel tank of the aircraft; a first circuit for exciting the at least one ultrasonic transducer to transmit an acoustic pulse toward... | 10/25/2005 |
| 6940212 | Non-fluid acoustic coupling An apparatus examines the internal structure of an object disposed substantially in a medium such as air, which essentially totally reflects acoustic signals in the 1-200 MHz frequency range. The apparatus has an acoustic transducer that emits and receives acoustic ... | 09/06/2005 |
| 6928181 | Method and system for biometric recognition using unique internal distinguishing characteristics The present invention is a biometric recognition method and system for identifying humans and animals with acoustic scanning techniques. The invention is based upon transmitting acoustic energy through an external accessible surface to non-visible internal tissue ha... | 08/09/2005 |
| 6917695 | High contrast, low distortion optical acquisition system for image capturing Disclosed is an apparatus for forming a high contrast image of a patterned object, such as a fingerprint, including a first lens having a light receiving surface and a viewing surface and a second lens adjacent to the viewing surface of the first lens. A light sourc... | 07/12/2005 |
| 6910380 | Ultrasonic transmitting and receiving apparatus An ultrasonic transmitting and receiving apparatus capable of obtaining ultrasonic images with uniform image quality independently of sound ray directions. The apparatus includes: an ultrasonic transducer array including plural ultrasonic transducers; a drive signal... | 06/28/2005 |
| 6843129 | Ultrasound measurement of the thickness of a weakly reflective sublayer by echo period summation An ultra sonic sound measurement is used to determine the thickness of a partial layer in a multi-layered structure with reduced boundary surface reflections. A plurality of transmission pulses are produced on a predetermined point on the structure with the help of ... | 01/18/2005 |
| 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 transmitted into the forging; correcting the collected data to compensate fo... | 10/26/2004 |
| 6789427 | Phased array ultrasonic inspection method for industrial applications A method for inspecting a component includes exciting a number of transducers forming an array to produce an ultrasonic transmission beam (beam) focused into the component. The array and the component are separated by a standoff. A number of echo signals are generat... | 09/14/2004 |
| 6684696 | Filling-level measuring device that evaluates echo signals A filling-level measuring device, specifically a filling-level radar system, comprises a transmitter (1), a receiver (2) for an echo of a signal emitted by the transmitter (1), and an evaluation circuit (3) for estimating the filling level. The transmitte... | 02/03/2004 |
| 6543287 | Method for acoustic imaging by angle beam A method for acoustic imaging by angle beam, which includes generating a sound wave, coupling the wave at an angle to a first surface of a test piece via a physically continuous path. The test piece also has a second surface. The angle being such that the... | 04/08/2003 |
| 6474163 | Ultrasonic flaw detection method and instrument therefor A method and apparatus for ultrasonic flaw detection of line focus type suitable for detection of flaws in nonmetallic materials included in an object. Ultrasonic transmitter and receiver elements of line focus type are opposed at a distance (L) with an o... | 11/05/2002 |
| 6418791 | System and method for acoustic integrity monitoring A method and system are disclosed for monitoring vacuum integrity in a vacuum interrupter. The method includes injecting sonic signals into a body and detecting sonic signals reflected from the body. A composite value is calculated from the reflected soni... | 07/16/2002 |
| 6029507 | Method and equipment for the characterization of suspensions Method and equipment for the detection and identification of particles in a suspension with the aid of acoustic signals, directed at at least one measurement volume within the suspension, via reception of acoustic reflection signals, conversion of the aco... | 02/29/2000 |
| 6020988 | Ultra high resolution wave focusing method and apparatus and systems employing such method and apparatus An ultra high resolution wave focusing method and apparatus is disclosed. The invention provides a focusing system having an effective numerical aperture greater than that possible using known conventional focusing techniques. By the method and apparatus ... | 02/01/2000 |
| 5750895 | Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging A method and apparatus for ultrasonic imaging which includes scanning a test specimen located in a test fixture in a predetermined scan pattern. Propagating and receiving reflected pulses of ultrasonic energy from an ultrasonic transducer directed to a su... | 05/12/1998 |
| 5671154 | Signal processing method and signal processing device for ultrasonic inspection apparatus In an ultrasonic inspection apparatus for detecting a flaw present in a target object (2) on the basis of an echo signal (b) from the target object (2), a high-frequency echo signal (b) output from an ultrasonic transmit-receive unit (1) is A/D-converted ... | 09/23/1997 |
| 5652389 | Non-contact method and apparatus for inspection of inertia welds The present invention is directed toward a method and apparatus for the ncontact inspection of workpieces having a plate-like portion of the first part joined via an inertia weld to the end of a second part extending away from the plate-like portion. The... | 07/29/1997 |
| 5641906 | Apparatus and method for automated non-destructive inspection of integrated circuit packages An apparatus and method are disclosed for producing acoustical reflected images from selected planes within an integrated circuit package to detect flaws within the package.... | 06/24/1997 |
| 5635644 | Apparatus for measuring a layer thickness using transverse waves of ultrasonic waves An apparatus which measures a thickness of a layer using transverse waves of ultrasonic waves, and includes: a sensor unit having a probe for obliquely transmitting and receiving to and from the surface of a material to be measured having first and second... | 06/03/1997 |
