By Reflected Wave Patents (Class 73/627)
  • Patent number: 10429358
    Abstract: An object is to provide a delamination inspection method and a delamination inspection apparatus capable of easily and distinctly detecting an inter-layer delamination of a laminated body even when an obstacle such as a reinforcing plate is present on a part to be inspected, and capable of inspecting a wide inspection area in a short time. The apparatus includes: a transmission probe 2a that causes an ultrasonic wave to enter a laminated body 10 at a predetermined refraction angle ?; a reception probe 2b that receives a propagation wave having propagated while having been repeatedly reflected by interfaces of a plurality of members; and a probe holding means that holds the transmission probe 2a and the reception probe 2b with a predetermined interval L therebetween.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: October 1, 2019
    Assignee: NON-DESTRUCTIVE INSPECTION COMPANY LIMITED.
    Inventors: Satoru Shiroshita, Ryusuke Tanaka, Masashi Mori
  • Patent number: 10067096
    Abstract: The provided apparatus for automated nondestructive inspection of a metal structure having a surface comprises an ultrasonic nondestructive inspection unit, a nondestructive inspection unit based on magnetic flux leakage method, an eddy-current nondestructive inspection unit, a control unit connected to the ultrasonic nondestructive inspection unit, the nondestructive inspection unit based on the magnetic flux leakage method and the eddy-current nondestructive inspection unit for sending control signals to carry out inspection of the metal structure, and a navigation unit connected to the control unit, wherein the navigation unit determines a position of said apparatus relative to the metal structure, determines a state of the surface of the metal structure and sends signals into the control unit. The nondestructive inspection unit based on magnetic flux leakage method changes a magnetic field induction generated by this unit from a minimum value close to zero value to a predetermined maximum value.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: September 4, 2018
    Assignee: Dakont Advanced Technologies, Inc.
    Inventors: Mikhail Evgenievich Fedosovsky, Mikhail Vladimirovich Sokolov, Edward Petit de Mange
  • Patent number: 10021241
    Abstract: A mobile communication device equipped for proximity detection may include a transmitter that emits a periodic ultrasound signal, a receiver that detects the periodic ultrasound signal, an intra-frame filter that filters the detected periodic ultrasound signal based on a frame length of the detected periodic ultrasound signal, and a detector that determines a power level of the filtered periodic ultrasound signal to detect if the receiver is located in an undesirable location.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: July 10, 2018
    Assignee: QUALCOMM Incorporated
    Inventors: Vadim Winebrand, Michael Leviant, Meir Agassy, Gilad Bornstein
  • Patent number: 9772206
    Abstract: A method and apparatus for determining the flow rates of a multi-component fluid mixture is disclosed. The temperature and pressure of the multi-component mixture is determined. The fractions of the multi-component mixture are determined based on at least two measured physical properties of the mixture and knowledge of the same physical property of the individual components. The velocity of the multi component mixture is determined. The flow rate of the individual component of the fluid is determined. An electromagnetic measurement is performed. A statistical parameter related to the electromagnetic measurement is calculated and compared to an empirical derived threshold value corresponding to the value of the statistical parameter when only one of the components of the multi component mixture is present. The thickness of unwanted deposits on the pipe wall is determined and an improved flow rate determination of the individual components of the fluid is obtained.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: September 26, 2017
    Assignee: FMC KONGSBERG SUBSEA AS
    Inventors: Arnstein Wee, Kenneth Gundersen
  • Patent number: 9759556
    Abstract: Apparatus is provided comprising a signal processor that receives signaling containing information about an acoustic signal swept and sensed over a frequency range in relation to a pipe; and determines information about the structure of the pipe based at least partly on two or more sub-frequency ranges that form part of the frequency range in the signaling received. The signal processor also receives the acoustic signal being transmitted to the pipe and corresponding signaling in the two or more sub-frequency ranges containing information about reflections of the acoustic signal back from the pipe; and determines information about the structure of the pipe based at least partly on a coherent mixing of the acoustic signal and the corresponding signaling in the two or more sub-frequency ranges using a coherent acoustic tomography technique.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: September 12, 2017
    Assignee: CiDRA Corporate Services, Inc.
    Inventors: Michael A. Davis, Alan D. Kersey, John Viega
  • Patent number: 9662093
    Abstract: An ultrasound observation apparatus for generating an ultrasound image based on an ultrasound signal obtained by an ultrasound probe having an ultrasound transducer for transmitting an ultrasound wave to an observation target and receiving the ultrasound wave reflected from the observation target. The ultrasound observation apparatus includes: a frequency analysis unit that analyzes a frequency of the ultrasound signal to calculate frequency spectra depending on a reception depth and a reception direction of the ultrasound signal; a frequency band setting unit that sets a frequency band used for calculating a feature of each of the frequency spectra by use of parameters associated with a frequency spectrum in each of candidate bands having different bandwidths; a feature calculation unit that calculates the feature of each of the frequency spectra based on the frequency band; and a feature image data generation unit that generates feature image data based on the feature.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: May 30, 2017
    Assignee: OLYMPUS CORPORATION
    Inventor: Tomohiro Nakatsuji
  • Patent number: 9482645
    Abstract: Ultrasonic detection methods are disclosed. The method includes providing an ultrasonic detection system having a transmitting phased array device and a receiving phased array device. A phased array wave is transmitted through a revolutionary body from the transmitting phased array device to the receiving phased array device, thereby obtaining ultrasonic detection information about the revolutionary body. In another embodiment, the method includes positioning the transmitting phased array device and the receiving phased array device on a periphery of a turbine rotor, transmitting a phased array wave into the turbine rotor, the phased array wave not reflecting off of a reflecting feature, adjusting the positioning of the transmitting phased array devices on the periphery of the turbine rotor, and transmitting the phased array wave into the turbine rotor, the phased array wave reflecting off of a reflecting feature. The reflected phased array wave is received by the receiving phased array device.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: November 1, 2016
    Assignee: General Electric Company
    Inventors: Michael Charles Freda, Francis Alexander Reed
  • Patent number: 9470662
    Abstract: A scanning apparatus comprising a receiver circuit and a transmitter circuit, both circuits being flexible such that they are capable of conforming to the surface contours of an object as a surface of the apparatus is pressed against it and an adaptive backing positioned behind the transmitter and receiver circuits in the scanning apparatus and configured to, as the scanning apparatus is pressed against the object, conform to the flexible circuits.
    Type: Grant
    Filed: November 4, 2013
    Date of Patent: October 18, 2016
    Assignee: DolphiTech AS
    Inventors: Tore Baarstad, Eskil Skoglund, Arnt-Børre Salberg, Johan Skjelstad
  • Patent number: 9442097
    Abstract: The present application relates to a non-destructive testing system. The non-destructive testing system may include an ultrasonic probe and a hand-held display in communication with the ultrasonic probe. The hand-held display may be configured to display C-scan images or S-scan images.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: September 13, 2016
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: York Oberdoerfer, Weiwei Zhang
  • Patent number: 9304629
    Abstract: Radial transducers are provided for acoustic touch sensors. Different radial transducer arrangements may allow for locating multiple simultaneous touches without ambiguity, in some embodiments without a bezel. Instead of transmitting acoustic waves along a line to be reflected at multiple points, surface acoustic waves are transmitted in a radial wave pattern. Surface acoustic waves are transmitted along different angles spread out over at least part of the touch region. Various techniques may be used to generate the radial wave pattern, such as a convex wedge of a wedge transducer, interference patterns, a curved piezoelectric element, a curved reflector, a curved edge of the substrate, a curved grating, or one or more lenses. These devices for controlling the spread of the surface acoustic waves may alternatively be used for control of the surface acoustic rays for transmission along a single line or just along two lines (e.g., X and Y axes).
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: April 5, 2016
    Assignee: ELO TOUCH SOLUTIONS, INC.
    Inventors: Yoshikazu Tanaka, Daniel H. Scharff, Ting Gao, Joel C. Kent, James L. Aroyan
  • Patent number: 9267878
    Abstract: An acoustic signal receiving apparatus including: a Fabry-Perot sensor including a Fabry-Perot interferometer configured to convert an acoustic wave into a light intensity signal; a control unit configured to set a first wavelength and a second wavelength; a detecting unit configured to convert light intensities obtained by irradiation of the Fabry-Perot sensor with light from the first light source and the second light source into electric signals; and a signal processing unit configured to acquire a difference between an electric signal corresponding to the first wavelength and an electric signal corresponding to the second wavelength, wherein the control unit is configured to set the first wavelength and the second wavelength so that differential values of reflectivity spectrum of the Fabry-Perot sensor are different at the first wavelength and the second wavelength.
    Type: Grant
    Filed: March 4, 2014
    Date of Patent: February 23, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeshi Uchida, Takao Nakajima, Takako Suga
  • Patent number: 9192785
    Abstract: A device and a method to determine a position of a component that is moveable in a linear manner along an assigned axis are provided. A reference element that extends in a direction of the assigned axis is assigned to the component. The component may be brought into mechanical contact with the reference element. A respective piezo transducer is arranged on the reference element to generate and receive vibrations in a material used for the reference element.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: November 24, 2015
    Assignee: Siemens Aktiengesellschaft
    Inventors: Franz Dirauf, Kerstin Farmbauer, Carsten Schuh, Thorsten Steinkopff, Andreas Wolff
  • Patent number: 9134279
    Abstract: An internal defect inspection method where an ultrasonic wave is emitted from an ultrasonic wave transmitter toward a sample, the ultrasonic wave reflected by the sample is detected by an imaging type common-path interferometer as an interference signal, an ultrasonic wave signal is obtained from the interference signal, and any defect within the sample is detected from the ultrasonic wave signal. An internal defect inspection apparatus including an ultrasonic wave transmitter, an imaging type common-path interferometer and an ultrasonic wave signal detecting device is also provided.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: September 15, 2015
    Assignee: HITACHI, LTD.
    Inventors: Toshihiko Nakata, Tetsuya Matsui, Takehiro Tachizaki, Kazushi Yoshimura, Masahiro Watanabe
  • Publication number: 20150135838
    Abstract: A method and apparatus for envelope detection are disclosed. An envelope detection method according to an embodiment of the invention can include: receiving ultrasonic signals reflected off a target object; detecting peaks by using differences in pulses in the received signals; and generating an envelope by connecting the detected peaks with straight or curved lines.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 21, 2015
    Inventors: Do Sik HWANG, Jin Seong JANG
  • Patent number: 9032801
    Abstract: A method and apparatus for determining a thickness of an object using ultrasonic signals are disclosed. The method includes the steps of transmitting ultrasonic signals toward the object, digitizing a reflected echo sequence of the ultrasonic signals, including interpolating the echo sequence, and processing the echo sequence by detecting maximum amplitude peaks in the echo sequence and determining the object thickness based on a time duration between the maximum amplitude peaks.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: May 19, 2015
    Assignee: General Electric Company
    Inventors: Roman Heinrich Koch, Gerhard Finger, Heiko Martin Franz Sackenreuther
  • Publication number: 20150128710
    Abstract: A system and method for non-destructive monitoring a component including a guided wave sensor positioned around a surface of the component, wherein the component has a perimeter. A first spring mounting clamp positioned around the component perimeter and a second spring mounting clamp positioned around the component perimeter, wherein the first and second mounting clamps are positioned a distance of 0.1 inches to 5.0 inches on either side of the guided wave sensor. A plurality of elongated springs is attached at a first end to the first spring mounting clamp and attached at a second end to the second spring mounting clamp. The central portion applying a pressure of at least 10 psi to the guided wave sensor.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 14, 2015
    Inventors: Sergey A. VINOGRADOV, Matthew L. CAPPS
  • Publication number: 20150114123
    Abstract: A gripper unit for handling a vessel for receiving biological material is proposed, inter alia. The vessel has a lid which can assume an open position and a closed position. The gripper unit comprises a gripper for gripping and releasing the vessel, and a lid holder, for holding a lid in a defined position in relation to the vessel. The defined position is an open position of the lid.
    Type: Application
    Filed: November 24, 2014
    Publication date: April 30, 2015
    Inventors: Andreas SCHAEFER, Thomas VOIT, Walter TSCHOPP, Adrian GEIGER, Markus ZBINDEN, Harald HIBBING, Andreas KARL, Frank EIGEMEIER, Volker BEHRMANN, Dietmar KOPP, Andreas SCHMIEDE
  • Publication number: 20150114124
    Abstract: Disclosed is an apparatus, method and system for inspecting structures, and more particularly for evaluating the condition of a structure. The disclosed nondestructive inspection testing method and apparatus enables an operator to assess the condition of a structure, such as a composite laminate part and determining the location and depth of anomalies. The method includes generating a subsurface longitudinal ultrasonic wave signal at a high incidence angle into a structure being evaluated and collecting at least one of any front, back or side reflected wave data. The method may include processing the reflected wave data to determine the condition of the structure, including any anomalies that may have been detected and their location, size and shape.
    Type: Application
    Filed: November 7, 2014
    Publication date: April 30, 2015
    Inventors: Jeffrey R. Kollgaard, William J. Tapia
  • Publication number: 20150101752
    Abstract: A projecting/receiving unit (52) projects a laser light to a peripheral portion (30) and receives the reflected light while a liquid is being fed to a substrate (14) and is flowing on the peripheral portion (30). A signal processing controller (54) processes the electric signal of the reflected light to decide the state of the peripheral portion (30). The state of the peripheral portion being polished is monitored. Moreover, the polish end point is detected. A transmission wave other than the laser light may also be used. The peripheral portion (30) may also be enclosed by a passage forming member thereby to form a passage properly. The peripheral portion can be properly measured even in the situation where the liquid is flowing on the substrate peripheral portion.
    Type: Application
    Filed: December 22, 2014
    Publication date: April 16, 2015
    Inventors: Mitsuo TADA, Yasunari SUTO, Hirofumi ICHIHARA, Kenya ITO, Tamami TAKAHASHI
  • Publication number: 20150096381
    Abstract: An ultrasonic probe for examining an object with ultrasound and a corresponding examination method are provided. The probe includes a plurality of emitter elements able to emit ultrasonic waves for emitting a focused ultrasonic beam into the object through an active area of a surface of the object, and a profilometer for determining the profile of the surface of the object and for controlling the emission of the ultrasonic beam depending on the determined profile. The profilometer includes an image-taking apparatus for taking at least one digital image of the active area and an image processing module able to determine the profile of the active area by analyzing the optical blurring of the or at least one image.
    Type: Application
    Filed: October 8, 2014
    Publication date: April 9, 2015
    Inventors: Matthieu Taglione, Yannick Caulier
  • Patent number: 8997574
    Abstract: Ultrasonic transducers and methods for detecting oblique flaws in cylindrically-shaped objects using pulse-echo testing are provided. By mounting one or more transducers on a rotary tester for testing manufactured objects such as tubes and bars, offsetting each transducer horizontally from its position if it were to emit a beam that is perpendicular to the object's outer surface, and actuating the transducer so as to emit an angled beam, oblique surface flaws and internal flaws may be reliably detected without reducing inspection speed, significantly adding to transducer cross-talk, or requiring significant additional hardware or processing.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: April 7, 2015
    Assignee: Magnetic Analysis Corporation
    Inventor: John Venczel
  • Patent number: 8996322
    Abstract: A measurement systems that reduces spurious artifacts in reflected signals by generating and employing an improved maximum length sequence. Accurate acoustic measurements with both high SNR and low spurious artifacts are made possible by generating Wide MLS (WMLS) which modifies a base MLS by replacing each value with a sequence that includes the value and one or more additional values, where typically the replaced values have opposing polarities and, the additional signals have intermediate values. An exemplary intermediate values can be approximately zero value.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: March 31, 2015
    Assignee: Acousticeye Ltd
    Inventor: Harel Primack
  • Patent number: 8991257
    Abstract: An ultrasound probe system includes a main body portion, an ultrasound observation portion transmitting ultrasound in a side surface direction of the main body portion and receiving a reflected wave, a distal-end portion provided such that a proximal-end face, on a proximal-end side is adjacent to a distal-end in an axial direction of the main body portion, a sheath portion housing the main body portion inside to be capable of advancing and retracting in the axial direction, a distal-end face arranged at a distal-end of the sheath portion and facing the proximal-end face, a specimen collecting portion provided on the proximal-end face and/or the distal-end face, the specimen collecting portion being formed at an acute angle to separate a specimen from a subject, and an edge portion arranged on the proximal-end face or the distal-end face to cross the entire circumference of the specimen collecting portion to cut the specimen.
    Type: Grant
    Filed: March 6, 2014
    Date of Patent: March 31, 2015
    Assignee: Olympus Medical Systems Corp.
    Inventor: Kenichi Nishina
  • Patent number: 8973441
    Abstract: Embodiments of techniques and technologies to verify the interference fit of fasteners are disclosed. In one embodiment, a transducer is positioned to transmit a shear ultrasonic signal through a region of a fastener which is subject to stress when the fastener experiences an interference fit. The shear ultrasonic signal is transmitted through a region of the fastener subject to the stress. As the transmitted ultrasonic signal encounters the region, it is mode converted corresponding to a degree of interference which the fastener is experiencing. A return ultrasonic signal from the fastener is received with the transducer. From the return ultrasonic signal, a processor determines the degree of interference fit which the fastener is experience and outputs an indication of the same.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: March 10, 2015
    Assignee: The Boeing Company
    Inventors: Karl E. Nelson, Gary E. Georgeson, Paul S. Rutherford, Mark McKenna
  • Patent number: 8960007
    Abstract: Exemplary embodiments of a handheld probe (HHP) of an Acoustic pulse reflectometry (APR) system are disclosed. Embodiments of the HHP can comprise a loudspeaker and microphone that are vibration isolated from each other and from the tube under test. In some embodiments the microphone can be isolated from the housing of the HHP. In other embodiments the housing of the HHP can be isolated from the loudspeaker. In another embodiment the housing of the probe can be isolated from the tube under test. Yet, some embodiments combine all of this isolation options. In such embodiment the loudspeaker is isolated from the housing, the housing is isolated from the tube under test, and the microphone is isolated from the housing, and so on. Isolation can be achieved by using materials that absorb vibration, material such as but not limited to rubber, foam, silicone, etc.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: February 24, 2015
    Assignee: Acoustic Eye, Ltd
    Inventors: Dov Furman, Harel Primack, Silviu Zilberman, Oded Barzelay
  • Patent number: 8955384
    Abstract: The invention relates to a test probe 10 for the non-destructive testing of a workpiece by means of ultrasonic sound. The test probe has an ultrasonic transducer 20 for the generation of an ultrasonic field, which is coupled acoustically to a delay line body 12, which is provided to be attached for a coupling of the ultrasonic field into the workpiece on a surface of the workpiece. Furthermore, the invention relates to a family of test probes as well as to a testing device for the non-destructive testing of a workpiece by means of ultrasonic sound, with a test probe 10, whose ultrasonic transducer 20 has a majority of independently controllable individual oscillators. Furthermore, a control unit 50 is provided, which is equipped to control the individual oscillators of the ultrasonic transducer 20 with phase accuracy in such a way, that a sound field rotationally symmetrical to the central beam is generated.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: February 17, 2015
    Assignee: GE Sensing & Inspection Technologies GmbH
    Inventors: Wolf-Dietrich Kleinert, Gerhard Splitt
  • Publication number: 20150006037
    Abstract: A vehicle sensing system may include a plurality of sensing components, each component including a housing configured to maintain a first sensor and a second sensor, an interface connected to each of the first sensor and the second sensor, and a first module and a second module connected to the interface, each configured to receive data from at least one of the first sensor and the second sensor.
    Type: Application
    Filed: May 9, 2014
    Publication date: January 1, 2015
    Applicant: Ford Global Technologies, LLC
    Inventors: Mahmoud Yousef GHANNAM, Abraham G. PHILIP, David James TIPPY, Yeruva Satya REDDY, Jennifer Danielle SHAW, Tania VAZQUEZ
  • Publication number: 20150000405
    Abstract: A method of non-destructively evaluating a thickness of a coating layer on a turbine engine component includes directing an acoustic wave into the turbine engine component, the acoustic wave including a frequency and a wavelength, receiving a return time-domain signal reflected from the turbine engine component, and transforming the time-domain signal into a frequency-domain signal. The method further includes subtracting a baseline signal from the frequency-domain signal and determining a local minimum frequency of the baseline-subtracted frequency-domain signal. Still further, the method includes calculating the thickness of the coating layer based on the determined local minimum frequency. Additional evaluation methods including ones based on resistivity, terahertz, and microwave are further disclosed.
    Type: Application
    Filed: June 27, 2013
    Publication date: January 1, 2015
    Inventors: Surendra Singh, Jim Michael Ohm, Frederick William Vensel, Richard Lee Krantz
  • Publication number: 20150000406
    Abstract: The present invention relates to a method and device for detecting and analyzing deposits in liquid-bearing systems. More particularly, the device relates to being able to detect and analyze deposits in a liquid-bearing systems such as industrial plants that use and store fluids. The method relates to being able to determine a distribution of the run time of a detected ultrasonic reflection signal and analyzing the distribution to determine if deposits are deposited onto a reflecting area.
    Type: Application
    Filed: December 20, 2012
    Publication date: January 1, 2015
    Inventors: Frank Seida, Christian Flocken, Patric Bierganns, Michael Schultz
  • Publication number: 20150000407
    Abstract: The present invention relates to a method and device for detecting and analyzing deposits in liquid-bearing systems. More particularly, the device relates to being able to detect and analyze deposits in a liquid-bearing systems such as industrial plants that use and store fluids. The method relates to being able to determine a distribution of the run time of a detected ultrasonic reflection signal and analyzing the distribution to determine if deposits are deposited onto a reflecting area.
    Type: Application
    Filed: December 20, 2012
    Publication date: January 1, 2015
    Inventors: Frank Seida, Christian Flocken, Patric Bierganns, Michael Schultz
  • Publication number: 20150000408
    Abstract: The invention relates to an ultrasonic NDT sensor arrangement for inspecting surfaces of variable geometry of metal bodies. The sensor arrangement includes a housing with a hollow inner space and an opening, through which part of an incoming sound beam exits the housing to enter a metal body to be tested. An ultrasonic sensor is coupled to the housing such that it emits said incoming sound beam directly into said hollow inner space in a direction towards the opening. The said inner space of the housing is filled with a first coupling fluid which is water. The opening of the housing is closed with a closing member, which is made of a silicone material and which has a similar density and velocity of sound compared to the first coupling fluid.
    Type: Application
    Filed: September 17, 2014
    Publication date: January 1, 2015
    Inventors: John Lilburne TURNER, David Thomas CLARKE
  • Publication number: 20140373631
    Abstract: Apparatus is provided comprising a signal processor that receives signaling containing information about an acoustic signal swept and sensed over a frequency range in relation to a pipe; and determines information about the structure of the pipe based at least partly on two or more sub-frequency ranges that form part of the frequency range in the signaling received. The signal processor also receives the acoustic signal being transmitted to the pipe and corresponding signaling in the two or more sub-frequency ranges containing information about reflections of the acoustic signal back from the pipe; and determines information about the structure of the pipe based at least partly on a coherent mixing of the acoustic signal and the corresponding signaling in the two or more sub-frequency ranges using a coherent acoustic tomography technique.
    Type: Application
    Filed: October 18, 2012
    Publication date: December 25, 2014
    Applicant: CIDRA CORPORATE SERVICES INC.
    Inventors: Michael A. Davis, Alan D. Kersey, John Viega
  • Publication number: 20140338455
    Abstract: An ultrasound probe comprises: a backing material; a plurality of inorganic piezoelectric elements arranged on a top surface of the backing material; a first acoustic matching layer separated into a plurality of pieces disposed on the plurality of inorganic piezoelectric elements; and a second acoustic matching layer separated into a plurality of pieces disposed on the first acoustic matching layer, wherein the second acoustic matching layer comprises an upper organic layer constituting a plurality of organic piezoelectric elements, and a lower organic layer for performing, together with the upper organic layer, acoustic matching for the plurality of inorganic piezoelectric elements.
    Type: Application
    Filed: August 6, 2014
    Publication date: November 20, 2014
    Inventors: Takatsugu WADA, Atsushi OSAWA, Katsuya YAMAMOTO
  • Publication number: 20140338454
    Abstract: A pulse generation circuit and method includes using digital signals to trigger a first and second varying analog signals and detecting when they reach one or more reference levels. In response to the first and second varying analog signals reaching one or more reference levels, a first and a second digital control signals are produced and provided as input to a pulser producing a voltage excitation pulse having a width and timing defined by the first and second digital control signals.
    Type: Application
    Filed: August 1, 2014
    Publication date: November 20, 2014
    Inventor: Andrew THOMAS
  • Publication number: 20140318253
    Abstract: Adopted is an object information acquiring apparatus that includes: a probe including multiple conversion elements that transmit acoustic waves to an object, and convert the reflected waves into time-series received signals; and a processor that performs frequency domain interferometry, through application of adaptive signal processing, by using the multiple received signals output from the multiple conversion elements and a reference signal, and obtains acoustic properties of multiple positions. The probe is configured such that, when a direction in which the multiple conversion elements are arranged is a first direction and a second direction, end portions in the second direction have a lower transmission sound pressure of the acoustic waves than a midportion in the second direction.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hirofumi Taki, Kenichi Nagae, Toru Sato
  • Publication number: 20140318256
    Abstract: An acoustic sensor for measuring the linear movement of an internal structure of a nuclear reactor using sound waves, including: an electro-acoustic transducer capable of emitting sound waves; and a waveguide capable of guiding the sound waves emitted by the transducer toward a measurement area of the internal structure, wherein the waveguide is capable of guiding the reflected wave and the waveguide is secured to the measurement area and arranged so as to be capable of extending or retracting in accordance with the movement of the internal structure of the nuclear reactor.
    Type: Application
    Filed: December 5, 2012
    Publication date: October 30, 2014
    Inventors: Jocelyn Perisse, Jean-Reynald Mace, Patrick Fayet, Thierry Mazoyer, Christophe Thirard, Pascal Vouagner
  • Publication number: 20140318254
    Abstract: A side lobe in a capacitive transducer is reduced. Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of a pair of electrodes formed with an gap inbetween is capable of vibration, wherein a distance between cells in an end portion of the element is greater than a distance between cells in a middle portion of the element.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazutoshi Torashima, Kenichi Nagae
  • Publication number: 20140318255
    Abstract: Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of a pair of electrodes formed with an gap inbetween is capable of vibration, wherein a distance between a pair of electrodes of a cell in an end portion of the element is greater than a distance between a pair of electrodes of a cell in a middle portion of the element.
    Type: Application
    Filed: April 14, 2014
    Publication date: October 30, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kazutoshi Torashima, Kenichi Nagae
  • Patent number: 8869621
    Abstract: A geometry compensating transducer attachment for ultrasonic inspection of a structure includes a geometry-compensating structure having at least one angled surface configured to engage the structure to be inspected, and the geometry-compensating structure having an acoustic velocity generally matching an acoustic velocity of the structure to be inspected.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: October 28, 2014
    Assignee: The Boeing Company
    Inventors: Jeffrey R. Kollgaard, Barry A. Fetzer, Christopher R. Brown, William J. Tapia, David Brooks
  • Publication number: 20140311246
    Abstract: A method for measuring the tread thickness from the radially outermost belt surface within a tire to the tread surface accurately by ultrasonic measurement whatever the type of belt material is. The method includes the steps of measuring a profile of the tread surface, identifying the bottom positions of circumferentially extending grooves from the profile measured, estimating the depths from the groove bottoms to the belt surface from the identified groove bottoms and pre-created tire design data, predicting thicknesses by calculating predicted thicknesses from the tread surface to the belt surface from the relationship between the thicknesses from the identified groove bottoms to the tread surface in the profile and the estimated depths from the groove bottoms to the belt surface, and setting amplification factors for received reflected waves according to a reflection factor-thickness data map prepared beforehand in correspondence to the predicated thicknesses.
    Type: Application
    Filed: November 14, 2012
    Publication date: October 23, 2014
    Inventor: Keiji Oda
  • Publication number: 20140260629
    Abstract: An inspection apparatus and method for inspecting an inner surface of a hollow composite part. The inspection apparatus may have a support frame, at least one transducer attached to the support frame, an ultrasound gel pad attached to an outer surface of the transducer, and a sponge attached to the support frame. The transducer may send and receive ultrasound waves and the sponge may be positioned to leave a trail of water when moved along the inner surface of the hollow composite part, such that the water rests between the ultrasound gel pad and the inner surface once the inspection apparatus reaches a location to be inspected. The ultrasound waves may thus be transmitted through the ultrasound gel pad and then through the water before bouncing off of the inner surface of the hollow composite part. The ultrasound waves bounced off of the inner surface may be detected by the transducer and analyzed to determine if there is a defect in the composite part.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: SPIRIT AEROSYSTEMS, INC.
    Inventors: Todd Brian Jaramillo, Kendall Ford Koerner, Allison Jean Wright
  • Patent number: 8833170
    Abstract: An apparatus for determining a distance includes a converter element that generates n acoustic surface wave, a surface that feeds over at least part of the acoustic surface wave to a surface having a reflection point, and a processor that determines a distance between the apparatus and the reflection point from the propagation time of the acoustic surface wave. The converter element registers the acoustic surface wave reflected at the reflection point.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: September 16, 2014
    Assignee: Siemens Aktiengesellschaft
    Inventors: Franz Dirauf, Hendrik Faustmann, Gerhard Lindner, Michael Muench
  • Publication number: 20140245836
    Abstract: Disclosed is an apparatus that transmits an elastic wave to an object and receives a reflected wave, this apparatus including: a transmitting and receiving unit having elements for converting an elastic wave to an electric signal, and being arranged at least in one direction; an element controlling unit that inputs an electric signal to the element and causes the element to transmit an elastic wave; and a detecting unit that detects a reflected wave to be received by the element, wherein the electric signal to be inputted to the element is an encoded pulse signal encoded among the elements, and the detecting unit decodes the reflected wave and executes at different time points aperture synthesis processing of synthesizing the decoded reflected wave with respect to the intersections of two axes at different time points.
    Type: Application
    Filed: November 2, 2012
    Publication date: September 4, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Kenichi Nagae, Kengo Kondo, Makoto Yamakawa, Tsuyoshi Shiina
  • Publication number: 20140245835
    Abstract: Solid contents verification systems and methods are provided. The system includes a contents sensor unit, a container-carrying unit and a control unit. The contents sensor unit has at least one contents sensor configured to send and receive sonic pulses to determine a state of contents in a container. The contents sensor unit is configured to send a signal communicating a state of the contents in a container. The container-carrying unit is configured to hold a container in substantial alignment with the contents sensors to expose the contents to the sonic pulses. The control unit is operatively connected to the contents sensor unit. The control unit is configured to receive the signal communicating the state of the contents and to compare the state of the contents with a desired state of the contents.
    Type: Application
    Filed: May 12, 2014
    Publication date: September 4, 2014
    Applicant: Express Scripts, Inc.
    Inventor: Jonathan W. JOPLIN
  • Patent number: 8820164
    Abstract: A system for ultrasonic inspection of a structure includes a transducer located at a first surface of the structure to transmit an ultrasonic signal from the transducer through the first surface to a second surface of the structure located substantially opposite the first surface. A plurality of retroreflector elements are located at the second surface to reflect the ultrasonic signal back toward the transducer. A method of ultrasonic inspection of a structure includes transmitting an ultrasonic signal from a transducer located at a first surface of the structure toward a second surface of the structure located substantially opposite the first surface. The ultrasonic signal is reflected back toward the transducer via a plurality of retroreflector elements disposed at the second surface.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: September 2, 2014
    Assignee: Sikorsky Aircraft Corporation
    Inventor: James A. Voor, Jr.
  • Patent number: 8820165
    Abstract: The ultrasonic sensor has a plurality of ultrasonic transducers disposed two-dimensionally on a sensor substrate. The sensor substrate is divided into areas by an X axis and a Y axis which intersect one another in plan view looking at the sensor substrate along the thickness direction. In each of the areas, each of the lower electrode lines which leads out from the lower electrode of each of the ultrasonic transducers has a linear segment which extends in a direction away from the substrate center point where the X axis and Y axis intersect.
    Type: Grant
    Filed: April 13, 2011
    Date of Patent: September 2, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Hiroshi Matsuda
  • Publication number: 20140238138
    Abstract: An ultrasound probe system includes a main body portion, an ultrasound observation portion transmitting ultrasound in a side surface direction of the main body portion and receiving a reflected wave, a distal-end portion provided such that a proximal-end face, on a proximal-end side is adjacent to a distal-end in an axial direction of the main body portion, a sheath portion housing the main body portion inside to be capable of advancing and retracting in the axial direction, a distal-end face arranged at a distal-end of the sheath portion and facing the proximal-end face, a specimen collecting portion provided on the proximal-end face and/or the distal-end face, the specimen collecting portion being formed at an acute angle to separate a specimen from a subject, and an edge portion arranged on the proximal-end face or the distal-end face to cross the entire circumference of the specimen collecting portion to cut the specimen.
    Type: Application
    Filed: March 6, 2014
    Publication date: August 28, 2014
    Applicant: OLYMPUS MEDICAL SYSTEMS CORP.
    Inventor: Kenichi NISHINA
  • Patent number: 8813568
    Abstract: An operation-position detector having a tube that allows an ultrasonic signal to propagate therethrough. The tube has a plurality of holes capable of being selectively closed or opened by an operation and is provided with an ultrasonic transmitter-receiver arranged at a first end thereof. A signal processor drives the ultrasonic transmitter-receiver and causes an ultrasonic signal to propagate through the inside of the tube, receives a reflection signal corresponding to a closed or open state of each of the holes, and detects the state of each hole on the basis of the reflection signal, thereby detecting the operation position of an operation conducted by an operator.
    Type: Grant
    Filed: November 2, 2012
    Date of Patent: August 26, 2014
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Yuki Maeda, Kazuyoshi Nakaya
  • Patent number: 8813571
    Abstract: There is provided an optical microphone for detecting an acoustic wave propagating in an ambient fluid, the optical microphone including: a propagation medium section; a light source for emitting a light wave to be transmitted through a diffraction region in the propagation medium section; and a photoelectric conversion section for detecting the light wave having been transmitted through the propagation medium section. A first acoustic wave which is a portion of the acoustic wave and a second acoustic wave which is another portion thereof are allowed to propagate in the propagation medium section so as to simultaneously arrive at the diffraction region, and an interference component between a +1st order diffracted light wave and a ?1st order diffracted light wave of the light wave generated based on a refractive index distribution of the propagation medium occurring in the diffraction region.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: August 26, 2014
    Assignee: Panasonic Corporation
    Inventors: Takuya Iwamoto, Masahiko Hashimoto, Ushio Sangawa, Yuriko Kaneko
  • Patent number: 8776605
    Abstract: An ultrasonic sensor includes: a substrate; an ultrasonic transducer disposed on the substrate, and configured and arranged to transmit ultrasonic waves that propagate as plane waves in a direction orthogonal to a surface of the substrate; an acoustic refracting part contacting the ultrasonic transducer, and configured and arranged to refract the ultrasonic waves transmitted from the ultrasonic transducer; an elastically deformable elastic portion contacting the acoustic refracting part; and an ultrasonic reflecting member disposed within the elastic portion, and configured and arranged to reflect the ultrasonic waves. The acoustic refracting part is configured and arranged to refract, toward the ultrasonic reflecting member, the ultrasonic waves transmitted from the ultrasonic transducer.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: July 15, 2014
    Assignee: Seiko Epson Corporation
    Inventors: Jiro Tsuruno, Tsutomu Nishiwaki, Tomoaki Nakamura