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Sonic wave transmitter or receiver transducer

Subclass of:

073 - Measuring and testing

073570000 - VIBRATION

073584000 - By mechanical waves

073596000 - Beamed

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
073633000 Having transducer scanning means 45
073644000 Having significant coupling means 30
073643000 Nonvibrating transducer 25
073642000 Having wave shaping means 3
20100132470DEVICE FOR OUTPUTTING AND/OR RECEIVING ULTRASOUND AND ULTRASOUND SENSOR FOR INSPECTING A VALUABLE DOCUMENT - An apparatus for emitting and/or receiving ultrasound in a predetermined frequency range includes at least one ultrasonic converter for converting ultrasound into electrical signals and/or converting electrical signals into ultrasound, and a holder having at least one ultrasonic channel formed therein in which the ultrasonic converter is disposed at least partly and/or through which ultrasound can pass from or to the ultra-sonic converter. The holder has at least one non-fibrous surface layer adjacent to at least one portion of the ultrasonic channel, whose impedance is smaller than that of an inside layer of the holder neighboring to the surface layer.06-03-2010
20120266678DEVICE FOR OUTPUTTING AND/OR RECEIVING ULTRASOUND AND ULTRASOUND SENSOR FOR INSPECTING A VALUABLE DOCUMENT - An apparatus for emitting and/or receiving ultrasound in a predetermined frequency range includes at least one ultrasonic converter for converting ultrasound into electrical signals and/or converting electrical signals into ultrasound, and a holder having at least one ultrasonic channel formed therein in which the ultrasonic converter is disposed at least partly and/or through which ultrasound can pass from or to the ultrasonic converter. The holder has at least one non-fibrous surface layer adjacent to at least one portion of the ultrasonic channel, whose impedance is smaller than that of an inside layer of the holder neighboring to the surface layer.10-25-2012
20130091953AIR IN LINE DETECTOR WITH LOADING ENHANCEMENTS - An ultrasonic air-in-line detector for use with a fluid tube. A housing comprising a first arm and a second arm defines the edges of a cavity. A first convex lens mounted on the first arm protrudes into the cavity from the side of the first arm facing the cavity. A second convex lens mounted on the second arm protrudes into the cavity opposite the first convex lens from the side of the second arm facing the cavity. A first concave section is disposed on the side of the first arm facing the cavity and outside of a signal pathway between the first convex lens and the second convex lens. A second concave section is disposed on the side of the second arm facing the cavity outside of the signal pathway between the first convex lens and the second convex lens.04-18-2013
Entries
DocumentTitleDate
20100018314ULTRASONIC DIAGNOSTIC EQUIPMENT - Provided is ultrasonic diagnostic equipment including: an equipment body; a display unit provided to the equipment body and configured to display an ultrasonic image; an equipment-side connector provided in the equipment body; and an ultrasonic probe having a probe-side connector to be connected to the equipment-side connector in a detachable manner. The ultrasonic probe is connected to the probe-side connector through a cable and configured to send and receive ultrasonic waves. The probe-side connector and the equipment-side connector are formed in structures capable of sending and receiving the ultrasonic waves even in the case of a 180-degree reverse connection of the probe-side connector to the equipment-side connector.01-28-2010
20130042690ULTRASONIC SENSOR - Disclosed herein is an ultrasonic sensor including: a case; a piezoelectric element mounted on an inner side bottom surface of the case; a first sound absorbing material having a through-hole formed at an area thereof corresponding to a mounting area of the piezoelectric element and including the piezoelectric element disposed at a portion thereof based on a thickness of the through-hole; and a second sound absorbing material formed on the first sound absorbing material so as to cover the entire surface of the first sound absorbing material including the through-hole, wherein the through-hole formed has a thickness thicker than that of the piezoelectric element.02-21-2013
20130042689Sound Wave Testing Device and Method for Testing Solar Panel - A sound wave testing device is provided. The sound wave testing device comprises at least one sound output unit for providing at least one first sound signal, at least one sound-collecting element disposed above the at least one sound output unit, at least one sound-receiving unit disposed at one end of the at least one sound-collecting element, and an isolating element disposed between the at least one sound output unit and the at least one sound-collecting element, in which the solar panel is disposed on the isolating element. The at least one first sound signal is transformed into at least one second sound signal while passing through the solar panel. The at least one second sound signal is received and transmitted to at least one sound-receiving unit, and the at least one second sound signal is transformed into at least one digital signal for output.02-21-2013
20090000383WIDE-BANDWIDTH MATRIX TRANSDUCER WITH POLYETHYLENE THIRD MATCHING LAYER - A third matching layer (01-01-2009
20100011865APPARATUS AND METHOD FOR DAMAGE LOCATION AND IDENTIFICATION IN STRUCTURES - An apparatus and method for testing composite structures in which ultrasonic waves are used to detect disbonds in the structures are described. The apparatus comprises a flexible structure carrying acousto-optical transducers such as fiber Bragg gratings. During use, the apparatus is mechanically and conformally coupled to the structure under test.01-21-2010
20130081470ULTRASONIC SENSOR AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein are an ultrasonic sensor including: a cylindrical case; a piezoelectric element; a sound absorbing material; a temperature compensation capacitor inserted into and fixed to the groove; a first pin terminal connected to one electrode of the temperature compensation capacitor and an exposed electrode of the piezoelectric element while penetrating through the groove of the sound absorbing material; a second pin terminal inserted into and fixed to the groove of the sound absorbing material and connected to the other electrode of the temperature compensation capacitor; and a lead wire inserted into and fixed to the groove of the sound absorbing material and having one terminal connected to the second pin terminal and the other terminal connected to an inner wall of the case, and a method for manufacturing the same.04-04-2013
20120174675Ultrasound Probe - An ultrasound probe (07-12-2012
20120174674GEOMETRY COMPENSATING TRANSDUCER ATTACHMENTS FOR ULTRASONIC INSPECTION OF CHAMFERS OR COUNTERSUNK SURFACES - 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.07-12-2012
20130036822L-MODE GUIDED WAVE SENSOR - An L-mode guided wave sensor 02-14-2013
20090133501Array-Based System And Method For Inspecting A Workpiece With Backscattered Ultrasonic Signals - A method and an array-based system for inspecting a structure are provided that can identify unacceptable levels of porosity, microcracking or defects attributable to thermal damage. The inspection system includes a two-dimensional array of ultrasonic transducers, and an array controller configured to trigger at least one ultrasonic transducer to emit an ultrasonic signal into the structure. The array controller is also configured to receive data representative of backscattered signals preferentially received by at least one ultrasonic transducer from a portion of the structure offset from the at least one ultrasonic transducer that was triggered to emit the ultrasonic signal.05-28-2009
20090044626Multiple frequency ultrasound apparatus - The invention disclosed that the multiple frequency ultrasound apparatus using unique transducer will contain many actuations module, a coupled circuit and a transducer. Each actuation module can separately output the signal of the different frequency, the coupled circuit connecting the actuation module for coupling with the signal of the different frequency. The transducer can receive the signal of the multiple frequencies, then for outputting the multiple ultrasound frequency by the way of transferring from the electrical energy to the mechanical energy.02-19-2009
20120103096CAPACITIVE ELECTROMECHANICAL TRANSDUCER - A capacitive electromechanical transducer in which a reception characteristic is hardly affected by an elastic wave intruding into a substrate is provided. The capacitive electromechanical transducer includes a first electric connection portion that is connected to a second electrode disposed on a surface of a substrate to draw the second electrode onto a side of a surface of the first substrate on a side opposite from a surface in which a first electrode and the second electrodes are provided. With respect to a thickness direction of a first substrate, a diaphragm with which the first electric connection portion is covered is formed on the side of the surface of the first substrate, in which the first and second electrodes are provided.05-03-2012
20080276710IMMERSED PROBE OVER PRESSURIZED ELASTOMER - A method for ultrasonic testing includes placing an ultrasonic probe in a liquid bath inside of a pressure vessel having an elastomeric diaphragm stretched across an opening of the pressure vessel, applying pressure within the pressure vessel to bring the elastomeric diaphragm towards a test piece, and conducting ultrasonic testing of the test piece using the ultrasonic probe. A device for ultrasonic testing of a test piece includes a pressure vessel having an elastomeric diaphragm and an ultrasonic probe disposed within the pressure vessel.11-13-2008
20120222485ULTRASOUND MEASUREMENT SYSTEM - An ultrasound measurement system and a method for carrying out ultrasound measurements is provided that includes a data acquisition unit and a transducer for coupling an ultrasound pulse into a connecting element and for extracting an ultrasound pulse echo from the connecting element. The ultrasound measurement system proposed according to the invention comprises the data acquisition unit which has a combination of analog and digital electronics for excitation and driving of the transducer. This is separated from a data processing unit and is in contact therewith via a wired or wireless connection.09-06-2012
20130061679INTERIOR TRIM PART AND EXTERIOR FACING PART OF A VEHICLE HAVING AN ULTRASONIC SENSOR - The invention relates to an interior trim part of a vehicle, in particular a motor vehicle, comprising a composite having a carrier (03-14-2013
20130160554CAPACITIVE TRANSDUCER MANUFACTURING METHOD, AND MULTI-FUNCTION DEVICE - A capacitive transducer and manufacturing method thereof is provided. A multifunction device including a plurality of the capacitive transducers is also provided, where the capacitive transducers are disposed on a substrate and include at least one microphone and at least one pressure sensor or ultrasonic device.06-27-2013
20110308317METHOD FOR MANUFACTURING AN ULTRASONIC TRANSDUCER FOR USE IN A FLUID MEDIUM - A method for manufacturing an ultrasonic transducer for use in a fluid medium is described. The ultrasonic transducer includes at least one transducer core having at least one acoustic-electric transducer element. The ultrasonic transducer furthermore includes at least one housing which at least partially surrounds the transducer core and which has at least one opening facing the fluid medium. In the method, at least one sealing film is stretched and connected to the housing in the stretched state in such a way that the sealing film at least partially seals the opening.12-22-2011
20100089164UNDERWATER REMOTE SURFACE INSPECTION METHOD AND APPARATUS FOR REACTOR CONSTITUTING MEMBER - In an underwater remote surface inspection method for a reactor constituting member, in order to improve the precision of an operation of inspecting a surface shape of the reactor constituting member, an underwater remote surface inspection apparatus includes a replica picking head, an ultrasonic vibrator, and a replica agent cartridge. The replica picking head is pressed against a surface of core internal structure as an inspection target. A replica agent is supplied from the replica agent cartridge into the replica agent supply region formed inside the replica picking head and contacting with the surface of the core internal structure. After the operation of supplying the replica agent ends, an ultrasonic wave is transmitted from an ultrasonic vibrator to the replica agent inside the replica agent supply region. Accordingly, gas bubbles or liquid bubbles existing inside the replica agent supply region rise up so as to be discharged to the outside of the replica picking head through an air extracting hole. As a result, the gas bubbles or the liquid bubbles do not remain in the surface of the replica agent contacting with the surface of the core internal structure.04-15-2010
20100089165Rotor disk weld inspection method and arrangement - A method is disclosed for inspecting a weld joining a first rotor disk made of nickel alloy and having an inner surface and an outer surface concentric with the rotor's longitudinal axis to a second rotor disk having an inner surface and an outer surface concentric with the rotor's longitudinal axis. The weld made of nickel alloy fills a radial gap between the rotor disks, and has a dissimilar microstructure to either of the rotor disks. The method includes forming at least one slot in the first rotor disk extending through either the inner surface or the outer surface of the first rotor disk terminating in the first rotor disk; and passing an inspection signal from the first slot to the weld to inspect the weld for defects.04-15-2010
20130160553ENERGY ABSORBENTULTRASONIC INSPECTION SYSTEM WITH LASER POINTER - A system is provided for inspecting a workpiece that includes a workpiece defect and a workpiece surface. The system includes a laser pointer connected to an ultrasonic inspection system. The ultrasonic inspection system includes an ultrasonic transducer that directs sound waves to the workpiece defect, where the sound waves contact the workpiece surface at a workpiece surface location. The laser pointer directs a laser beam against the workpiece surface to visually annunciate the workpiece surface location.06-27-2013
20120285250ULTRASOUND PROBE - The present invention relates to an ultrasound therapy system using high-intensity focused ultrasound. The ultrasound therapy improves ultrasound and heat release characteristics and provides an ultrasound probe which easily performs manufacturing and maintenance processes. According to the present invention, a housing is recessed on the inward side around the upper-part edge. A plurality of mounting holes is uniformly formed from the outside at a constant radius to the edge in the center of the upper part. A plurality of probe units is respectively installed in the plurality of mounting holes to form a sphere on the upper part of the housing. And a grounding film covers the sphere which the plurality of probe units forms.11-15-2012
20110277550ULTRASONIC SENSOR - The ultrasonic element includes an ultrasonic oscillator for sending, receiving or transceiving ultrasonic waves, an element body having an opening for passage of ultrasonic waves formed on one surface, the ultrasonic oscillator being arranged within the element body, and terminal portions protruding from the element body to feed an electric current to the ultrasonic oscillator. The ultrasonic sensor further includes a housing having an opening formed on one surface for communication with the opening of the element body. The housing includes a receiving portion for receiving the ultrasonic element and a positioning portion integrally formed with the receiving portion to position the ultrasonic element in place. The ultrasonic sensor includes a printed wiring board arranged to interpose the ultrasonic element between the printed wiring board and the receiving portion. The terminal portions of the ultrasonic element are mounted to the printed wiring board.11-17-2011
20110296923METHOD FOR TESTING PIPELINE WELDS USING ULTRASONIC PHASED ARRAYS - NDT inspection of an austenitic weld between two CRA Clad pipes using a phased ultrasonic transducer array system is described. The method may be performed during laying of gas/oil fatigue sensitive pipelines, for example, at sea. Two types of UT inspection may be generated simultaneously by a Phased Array on each side (Upstream and Downstream) of a girth weld. Firstly, mode converted longitudinal waves are used. These waves have properties that they propagate well. Shear waves are also used. The combination of these two ultrasonic waves, with the addition of surface waves, enables 100% of the girth weld to be inspected to the standard required in fatigue sensitive welds, such as Steel Catenary Risers. Shear waves and compression waves are emitted substantially contemporaneously. Defects may be detected and measured using time of flight information and amplitudes of radiation detected on reflection and on diffraction from the defect.12-08-2011
20100071472MOUNTING STRUCTURE OF ULTRASONIC SENSOR - A mobile object includes a wall member to which an ultrasonic sensor is fixed. The wall member has a through hole through which an oscillating face of the ultrasonic sensor is exposed from the wall member. A closing member closes a gap generated between the wall member and the ultrasonic sensor. The closing member connects an edge of the through hole located outside of the wall member and an edge of the oscillating face of the ultrasonic sensor. The closing member has an outer face exposed from the wall member, and the outer face of the closing member has asperities.03-25-2010
20120024069Ultrasonic Sensor Control System for Occupancy Sensing - An active ultrasonic room occupancy sensor with the output amplitude of the transmitter controlled by the amplitude of power applied to the transmitter to control the zone of coverage for a sensor. An adjustable voltage regulator under control of a microcontroller applies controlled amplitude voltage to the transmitter to adjust the output amplitude of the transmitter. The adjustable amplitude transmitter allows an occupancy sensor to have its total output energy adjusted to conform to the area to be covered. Lowering the total ultrasonic energy in the monitored space lowers the sensitivity of the receiver to inappropriate activations. Lowering the input power to the transmitter also lowers the total internal system noise and provides an improved signal to noise ratio in the receiver. Alternatively, the power applied to the receiver may also be controlled by an adjustable voltage regulator under control of the microcontroller to improve receiver efficiency.02-02-2012
20120024068ALIGNMENT TOOL FOR USE WITH A WIND TURBINE INSPECTION SYSTEM AND METHODS OF ASSEMBLING SAME - An alignment tool for use in inspecting a ring gear of a gearbox. The ring gear includes an outer surface and a plurality of gear teeth extending radially inwardly from the outer surface. The alignment tool includes a support member that extends between a leading edge and a trailing edge. The support member is removably mountable to the ring gear outer surface such that the leading edge is oriented substantially parallel to a forward surface of the ring gear. A guide member extends outwardly from the support member. The guide member includes a guide edge that is oriented with respect to a centerline of a gear tooth.02-02-2012
20120024067METHOD FOR THE NON-DESTRUCTIVE TESTING OF A TEST OBJECT BY WAY OF ULTRASOUND AND CORRESPONDING DEVICE - The invention relates to a method for the non-destructive testing of a test object (02-02-2012
20110197679ULTRASONIC INSPECTION SYSTEM AND ULTRASONIC INSPECTION METHOD - In an ultrasonic inspection method or ultrasonic inspection system in which an ultrasonic wave is propagated to an test object via a medium such as a liquid or a gas, an incident position of the ultrasonic wave is accurately and reliably identified. In an ultrasonic inspection method based on an immersion technique, an optical irradiator is mounted on an ultrasonic wave transmitting/receiving unit, an optical marker is irradiated from the optical irradiator to the test object, and an irradiated position of the optical marker is imaged using imaging equipment in order to perform inspection.08-18-2011
20090277273APPARATUS FOR MEASURING PRESSURE IN A VESSEL USING ACOUSTIC IMPEDANCE MATCHING LAYERS - The apparatus for measuring pressure inside a vessel using acoustic impedance matching layers may include an ultrasound exciting unit attached to the outer surface of the vessel wall that generates ultrasonic waves inside of the vessel. A first acoustic impedance matching layer attached to the inner surface of the vessel wall increases the transmitting efficiency of the ultrasonic waves. An ultrasound receiving unit attached to the outer surface of the vessel wall receives an ultrasonic signal traveling inside the vessel. A second acoustic impedance matching layer attached to the inner surface of the vessel wall increases the transmitting efficiency of the ultrasonic waves. A control unit connected to the ultrasound exciting unit controls the excitation signal transmitted into the ultrasound exciting unit. A pressure measuring unit connected to the control unit measures an internal pressure of the vessel based on the excitation signal and the received ultrasonic waves.11-12-2009
20090277272METHODS AND APPARATUS FOR OBSERVING VESSEL CONTENTS - A method for observing a change in one or more parameters of a flowable material in a vessel is disclosed, the method comprising transmitting an ultrasound signal into a vessel containing a flowable material; observing a change in the ultrasound signal after it has passed through the flowable material; and, relating the change in the ultrasound signal to the change in one or more parameters of the flowable material.11-12-2009
20110203376Devices And Methods Of Ultrasound Time Of Flight Diffraction Sensitivity Demonstration - An ultrasound time-of-flight diffraction reference block has a plurality of notches that extend into the block to simulate cracks, wherein the notches have a normal and transverse orientation with respect to a test path formed on the block.08-25-2011
20120291554Heat-Resistant Ultrasonic Sensor and Installation Method Thereof - A heat-resistant ultrasonic sensor forms a piezo-electric ceramics film with a thickness of 0.5 mm or smaller and a Curie point of 200° C. or higher on a flexible metal plate. A thin metal film that is an electrode is attached to a top surface of the piezo-electric ceramics film and a metal wire mesh covers the thin metal film and is attached to a top surface of the thin metal film. A core of a heat-resistant coaxial cable is connected to the metal wire mesh at a connection point. The heat-resistant coaxial cable is fixed to the thin metal plate with a metal fixing member that is a ground portion. An electric insulating cover is attached to the thin metal plate and covers the piezo-electric ceramics film, the thin metal film, the metal wire mesh, the connection point, the fixing member, and the core of the coaxial cable.11-22-2012
20080289426STRUCTURAL HEALTH MONITORING (SHM) TRANSDUCER ASSEMBLY AND SYSTEM - A transducer assembly may include a first layer of dielectric material and a pair of electrically conductive traces adjacent to the first dielectric layer. Each of the electrically conductive traces may include a first contact pad and a second contact pad. The first layer of dielectric material may include a pair of vias or openings formed therein to expose each of the first contact pads. A second layer of dielectric material may be attached to the first layer of dielectric material with the pair of electrically conductive traces disposed between the first and second layers of dielectric material. A transducer may be attached to the second layer of dielectric material and each second contact pad may be electrically connected to the transducer.11-27-2008
20130118260Ultrasonic 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.05-16-2013
20090188321SENSOR AND METHOD FOR ITS MANUFACTURE - The invention relates to a sensor with a transducer unit, which is located at a measurement end in a housing sleeve, with connection means at a connection end of the housing sleeve opposite to the measurement end, with a module carrier received in the housing sleeve and on which is placed a sensor electronics and which extends along an axis of the housing sleeve, with illuminants for the optical signaling to the outside of operating and/or switching states of the sensor. The sensor is characterized in that there is a separate, plate-like illuminant carrier, that a plurality of illuminants are placed on the illuminant carrier and that the illuminant carrier is positioned transversely to the module carrier in the vicinity of the transducer unit. The invention also relates to a method for the manufacture of a sensor.07-30-2009
20090320602DEVICE AND METHOD FOR SYNCHRONIZATION OF ULTRASONIC TRANSDUCERS IN A MOVEMENT SYSTEM - In a device and method for non-destructive materials testing with at least one ultrasonic transducer, the transducer is able to be moved by a movement system in at least one direction to a workpiece surface. The emission of ultrasonic by the ultrasonic transducer is able to be synchronized with the activation of the movement system so that electrical interference caused by the movement system occurs at times at which no echo is expected for ultrasonic emitted by the transducer. The method and device can be applied to non-destructive materials testing with ultrasound.12-31-2009
20120067128Ultrasonic Testing System - An ultrasonic testing system for testing a test object that includes at least one transmitting unit and at least one receiver unit. In an embodiment, the transmitting unit generates a spark gap which generates an ultrasonic vibration either on the surface of, or within, the test object. In particular embodiment, the at least one receiver unit optically measures the vibration of the surface of the test object. Embodiments of the invention also relate to a transmitting means and to a receiving system for an ultrasonic testing system and to a method for operating an ultrasonic testing system.03-22-2012
20120192651MULTI PROBE UNIT FOR ULTRASONIC FLAW DETECTION APPARATUS - Multi probe unit for an ultrasonic flaw detection apparatus, includes a plurality of probes contacting a surface of an object to be inspected; a plurality of connection members connecting two neighbor probes of the plurality of probes with each other; support members disposed on top portions of the plurality of probes so as to be spaced apart from the plurality of probes; and a pressing member connecting the plurality of probes with the support member and pressing the plurality of probes to the object to be inspected. According to the present invention, a plurality of probes smoothly contacts a flexural surface of an object to be inspected.08-02-2012
20090260443TEST METHOD OF OPERATIONS OF ULTRASONOGRAPH AND ULTRASOUND PROBE - Provided is an ultrasonograph and the like capable of easily specifying defective parts of an ultrasound probe and appropriately treating the defective parts. A test method of an operation of an ultrasound probe that transmits and receives a signal of ultrasound for creating a diagnostic image in an ultrasonograph includes: bringing a test material into contact with the ultrasound probe and transmitting a first ultrasound from the ultrasound probe to the test material by a first transmitting circuit connected to the ultrasound probe; receiving, by a first receiving circuit connected to the ultrasound probe, a received signal of a reflected wave of the first ultrasound received by the test material and receiving, by a second receiving circuit connected to the test material, a received signal of the first ultrasound received by the test material; and comparing the received signals with each normal received signal stored in a memory and determining whether the operation of the ultrasound probe is normal or defective based on the comparison result.10-22-2009
20100170344METHOD AND APPARATUS FOR AUTOMATIC NON-DESTRUCTIVE TESTING OF TUBULAR AXLE SHAFTS WITH VARIABLE INTERNAL AND EXTERNAL RADIUS PROFILES - An apparatus testing axle shafts includes i) a test bench to receive a tubular axle shaft including a wall exhibiting variable known external and internal radius profiles, ii) at least one ultrasonic probe to analyze at least one selected portion of the wall in a selected angular sector and thus acquire analysis data, iii) a controller to control the test bench to place each probe on the wall external or internal surface in at least one first site selected as a function of its profiles and a possible loading of the shaft such that it analyses the first and second selected wall portions respectively in at least one first and at least one second selected angular sector oriented in first and second opposing longitudinal or transverse directions, to thus acquire analysis data for various relative angular positions of the shaft in relation to the probe, and iv) a processor to create from these acquired analysis data maps representing the transverse or longitudinal orientations and positions of indications of echoes within the wall.07-08-2010
20100154546APPARATUS FOR DETERMINING AND/OR MONITORING A PROCESS VARIABLE OF A MEDIUM - An apparatus for determining and/or monitoring at least one process variable of a medium, including: at least one mechanically oscillatable membrane, which has a plurality of natural eigenmodes; and at least one driving/receiving unit, which excites the membrane to execute mechanical oscillations and/or which receives mechanical oscillations from the membrane. The driving/receiving unit and the membrane are embodied and matched to one another in such a manner, that the membrane executes only mechanical oscillations, which correspond to modes, which lie above the fundamental mode of the membrane.06-24-2010
20100212431Method and apparatus for the non-destructive material testing of a test object using ultrasonic waves - A method for the non-destructive material testing of a test object that is at least sectionally solid by subjecting the test object to ultrasonic waves and capturing the ultrasonic waves reflected within the test object is provided. The method includes computer-supported division of the test object into a predetermined number of volume elements, subjecting the test object to a sound field while scanning the surface of at least a section of a surface of the test object, detecting the sound waves reflected on the volume elements while scanning the surface or the section of the surface of the test object, and in-phase addition of the sound waves reflected at the same volume elements and detected at measuring positions on the surface of the test object. A central beam is directed at the volume element in each measuring position, wherein the central beam has the maximum intensity of the sound field.08-26-2010
20090078050NON-CONTACT FLUID CHARACTERIZATION IN CONTAINERS USING ULTRASONIC WAVES - Apparatus and method for non-contact (stand-off) ultrasonic determination of certain characteristics of fluids in containers or pipes are described. A combination of swept frequency acoustic interferometry (SFAI), wide-bandwidth, air-coupled acoustic transducers, narrowband frequency data acquisition, and data conversion from the frequency domain to the time domain, if required, permits meaningful information to be extracted from such fluids.03-26-2009
20120137779ULTRASONIC PROBE - The invention relates to an ultrasonic probe for the non-destructive testing of metal work pieces, particularly pipes, for transverse defects, comprising a row-shaped arrangement of oscillator elements located on a lead wedge for coupling to the work piece. According to the invention, the lead wedge is designed as a wedge-shaped hollow body, which is filled with fluid and the wedge angle of which is a maximum of 24, and which is arranged on the work piece such that the intromission angle into the work piece is a maximum of 70.06-07-2012
20100242612ULTRASONIC PROBE, AND ULTRASONIC DIAGNOSTIC APPARATUS USING THE SAME - An ultrasonic probe including a cMUT chip that has plural oscillation elements whose electromechanical coupling coefficient or sensitivity varies in accordance with a bias voltage and transmits/receives an ultrasonic wave, an acoustic lens provided at an ultrasonic wave transmission/reception side of the cMUT chip, a backing layer provided to the opposite surface of the cMUT chip to the acoustic lens, and a substrate provided between the backing layer and the cMUT chip. The ultrasonic probe further includes thermal stress suppressing means for suppressing thermal stress occurring due to the difference in linear expansion coefficient caused by temperature variation between the substrate and the backing layer.09-30-2010
20110126626Device and Method for the Non-Destructive Testing of Objects Using Ultrasound and the Use of Matrix-phased Array Probes - The invention relates to a device (06-02-2011
20110000301Device for nondestructive material testing of a test subject using ultrasonic waves - A device for the nondestructive material testing of an at least sectionally solid test subject by applying ultrasonic waves to the test subject and detecting the ultrasonic waves reflected inside the test subject is provided The device includes at least one testing head for transmitting the ultrasonic waves and for detecting the ultrasonic waves reflected from the test subject, at least one mobile carriage, on which the testing head is attached, and an elongate rail for guiding the carriage, which is adapted to the structure of the surface of the test subject. To this end, the carriage may be moved along the rail.01-06-2011
20110030479ULTRASONIC FLAW DETECTION METHOD AND ULTRASONIC FLAW DETECTION EQUIPMENT - Equipment of the invention provides ultrasonic flaw detection equipment using a volume focusing flaw detection method, the ultrasonic flaw detection equipment described below. That is, this equipment performs internal flaw detection of a material being tested, the material having a virtually circular cross-sectional shape, and transducers 02-10-2011
20100154547ULTRASONIC PROBE AND ULTRASONIC DIAGNOSIS DEVICE - An ultrasonic probe and an ultrasonic diagnosis device which can improve electrical safety for an operator are provided. The ultrasonic probe 06-24-2010
20110079082EXTENDED FIELD OF VIEW ULTRASONIC IMAGING WITH A TWO DIMENSIONAL ARRAY PROBE - An ultrasonic diagnostic imaging system produces an extended field of view (EFOV) image. A 3D imaging probe is moved along the skin of a patient above the anatomy which is to be included in the EFOV image. As the probe is moved, images are acquired from a plurality of differently oriented image planes such as a sagittal plane and a transverse plane. As the probe is moved the image data of successive planes of one of the orientations is compared to estimate the motion of the probe. These motion estimates are used to position a succession of images acquired in one of the orientations accurately with respect to each other in an EFOV display format. The display format may be either a 2D EFOV image or a 3D EFOV image.04-07-2011
20110079083EXTENDED FIELD OF VIEW ULTRASONIC IMAGING WITH GUIDED EFOV SCANNING - An ultrasonic diagnostic imaging system produces an extended field of view (EFOV) image. A 3D imaging probe is moved along the skin of a patient above the anatomy which is to be included in the EFOV image. As the probe is moved, images are acquired from a plurality of differently oriented image planes such as a sagittal plane and a transverse plane. As the probe is moved the image data of successive planes of one of the orientations is compared to estimate the motion of the probe. These motion estimates are used to position a succession of images acquired in one of the orientations accurately with respect to each other in an EFOV display format. The motion estimates are also used to display a graphic on the display screen which indicates the progress of the scan to the user as the probe is being moved. The progress may be indicated in terms of probe velocity, distance traveled, or the path traversed by the moving probe.04-07-2011
20110239769METHOD FOR INVESTIGATING A STRUCTURE AND STRUCTURE FOR RECEIVING AND/OR CONDUCTING A LIQUID OR SOFT MEDIUM - The invention relates to a method for investigating a structure and a structure for receiving and/or conducting a liquid or soft medium, the method comprising the steps of: 10-06-2011
20110239770METHOD AND APPARATUS FOR ULTRASONIC TESTING OF WELD ZONES - Provided are an ultrasonic testing method and an ultrasonic testing apparatus capable of accurately detecting flaws present in a weld zone of a test object, such as a welded pipe, regardless of the position of the flaws. An ultrasonic testing apparatus 10-06-2011
20110067498ULTRASONIC DIAGNOSTIC APPARATUS - An ultrasonic diagnostic apparatus in accordance with the invention includes: an ultrasonic probe configured to transmit an ultrasonic wave to an object to be tested and receiving an ultrasonic wave from the object; an ultrasonic transmitter/receiver configured to provide a signal that causes the ultrasonic probe to transmit an ultrasonic wave and signal-processing a signal received from the object by the ultrasonic probe; an ultrasonic image constructor configured to construct an ultrasonic image from the signal-processed received signal; an image display for displaying the ultrasonic image; a controller configured to control the ultrasonic transmitter/receiver, the ultrasonic image constructor and the image display to work properly; and a temperature sensor, provided on the ultrasonic probe, configured to sense the temperature of the ultrasonic probe and outputting the sensed temperature to the controller. The controller obtains the temperature variation rate of the ultrasonic probe from the temperature sensor, determines a usage state of the ultrasonic probe based on the obtained temperature variation rate, and controls the ultrasonic transmitter/receiver based on the determined usage state of the ultrasonic probe.03-24-2011
20110061466Wireless ultrasonic diagnostic apparatus and ultrasonic probe - A wireless ultrasonic diagnostic apparatus is composed of a first ultrasonic probe, a second ultrasonic probe, and an ultrasonic observation device each having wireless communication function. The first ultrasonic probe is used for ultrasonic diagnosis. The second ultrasonic probe, not being used for the ultrasonic diagnosis, is disposed in an area in which coverage of the first ultrasonic probe and coverage of the ultrasonic observation device overlap with each other. The second ultrasonic probe relays radio detection signals output from the first ultrasonic probe to the ultrasonic observation device.03-17-2011
20110252890ULTRASONIC SENSOR AND ELECTRONIC DEVICE - 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.10-20-2011
20110041613WIRELESS ACOUSTIC INTERROGATION OF A PACKAGED MEDICAL IMPLANT - Systems and methods of acoustically interrogating a packaged medical implant such as an implantable sensor are disclosed. An illustrative system includes a sterilizable package including a package tray and a cover, a sensor module disposed within the package, and an acoustic coupling member disposed within an interior space of the package tray. An external interrogator located outside of the sealed package can be used to acoustically communicate with the sensor module.02-24-2011
20100275693Novel method for simultaneously measuring longitudinal and shear wave speeds in materials under compression load - A general method for simultaneously measuring longitudinal and shear wave speeds in materials under load via echo or transmission is described. This process proceeds in simple steps. Users load a specimen, either compressionally, tensilely, or torsionally and the loading is directed along a loading axis. Users connect a transducer with the specimen without loading the transducer and connect the transducer with a data collection apparatus. An ultrasonic pulse is launched from the transducer into the specimen along the loading axis, simultaneously triggering the data collection apparatus. The user measures signals on the data collection apparatus, allowing the user to calculate longitudinal wave speeds and shear wave speeds, whereby both longitudinal wave speeds and shear wave speeds of specimens under load can be measured simultaneously using one transducer. A novel device for measuring longitudinal and shear wave speeds in materials simultaneously is also described.11-04-2010
20110162456ULTRASONIC DIMENSIONING SYSTEM AND METHOD - An ultrasonic dimensioning system and method by which objects can be quickly and accurately measured (dimensioned). The system includes at least a stable object support surface, a number of ultrasonic receivers, and an ultrasonic transmitter. The ultrasonic transmitter is preferably part of a pointer device that is properly positioned relative to an object to be measured, the proper position(s) depending on the shape of the object. Subsequent transmission of ultrasonic pulses (waves) from the pointer device are received by the ultrasonic receivers. The time intervals between transmission and reception of the ultrasonic pulses (waves) are used to determine the distance of the pointer from the receivers, which distances are subsequently used to calculate the dimensions/volume of the object.07-07-2011
20110162455METHOD FOR NON-DESTRUCTIVE ULTRASONIC TESTING AS WELL AS DEVICE FOR THE IMPLEMENTATION OF THE METHOD - The invention relates to a method for non-destructive ultra-sonic testing, in which ultrasonic pulses with a pulse repetition frequency are radiated by means of an ultrasonic transmitter into a workpiece to be tested and the ultrasonic pulses are reflected to bounding surfaces in the workpiece and the reflected ultra sound is recorded by means of an ultra-sonic receiver and the signals are displayed in time- or position-dependent resolution. The method is characterized in that the pulse repetition frequency is changed at least once during the method.07-07-2011
20120167690ULTRASONIC PROBE, ULTRASONIC TESTING EQUIPMENT, AND ULTRASONIC TESTING METHOD - The ultrasonic testing method according to the invention includes the steps of arranging an ultrasonic probe 07-05-2012
20110113885ULTRASONIC TESTING METHOD AND EQUIPMENT THEREFOR - An ultrasonic testing equipment includes a linear array ultrasonic probe in which a plurality of transducers are arranged in a direction orthogonal to the rolling direction of a test object and a signal processing unit. The signal processing unit executes following (1) to (6). (1) Generating an aperture synthetic image of testing signals of each section of the test object. (2) Generating a maximum value distribution of testing signals in the arrangement direction of transducers. (3) Calculating the width of a defect in each section based on the maximum value distribution. (4) Generating a maximum value distribution of the testing signals in the rolling direction based on the maximum value distribution of a plurality of sections of the test object. (5) Calculating the length of the defect based on the maximum value distribution of the testing signals in the rolling direction. (6) Calculating the area of the defect based on the calculated defect length and the calculated defect width of each section.05-19-2011
20110132093ULTRASONIC PASSENGER DETECTION - A method and apparatus of recognizing the presence of a passenger in front of a door of a transit vehicle comprises directing an ultrasound transmitter/receiver at a volume of space adjacent the door, emitting an ultrasound pulse into the empty volume, recording and integrating intensity of the echoes and storing the integrated value as a standard value, repeatedly emitting an ultrasound pulse into the volume, and comparing the integrated values to the standard value.06-09-2011
20100186512QUANTITATIVE EVALUATION DEVICE OF ATOMIC VACANCIES EXISTING IN SILICON WAFER, METHOD FOR THE DEVICE, SILICON WAFER MANUFACTURING METHOD, AND THIN-FILM OSCILLATOR - A quantitative evaluation device and method of an atomic vacancy, which are capable of efficiently and quantitatively evaluating an atomic vacancy existing in a silicon wafer. A quantitative evaluation device 07-29-2010
20120144920ULTRASONIC IMAGING USING THIN FILM TRANSISTOR BACKPLANE - An embodiment is a method and apparatus for coherent ultrasonic imaging. A receiver array has a plurality of receiver elements on a substrate to detect in-phase and quadrature components of a received signal corresponding to a transmit signal. Each of the receiver elements includes a receiver transducer and a thin-film transistor (TFT) receiver circuit. The TFT receiver circuit includes a quadrature detector having a mixer to mix a received signal with a reference signal in a composite bias signal that is distributed across the plurality of receiver elements. A transmitter is acoustically coupled to the plurality of receiver elements to generate the transmit signal through an imaging medium.06-14-2012
20100281984METHOD AND APPARATUS FOR MEASURING POSITION OF THE OBJECT USING MICROPHONE - Provided is a method and device for measuring a position of an ultrasonic generating device for generating ultra-sonic signals, and inputting information by using position measurement values of the ultrasonic generating device. Accordingly, a plurality of broadband microphones that can be used as general microphones provided to an electronic device are used in a case where information is input by using an ultrasonic generating device. In this case, a position of the ultrasonic generating device is measured by extracting an ultrasonic signal generated by the ultrasonic generating device from signals received by the broadband microphones, and information is input by using the position of the ultrasonic generating device and a trajectory of the moving ultra-sonic generating device. Therefore, the inconvenience of a related art in that a plurality of ultrasonic sensors prepared additionally have to be mounted to an electronic device or a frame to which the plurality of the ultrasonic sensors are mounted has to be connected whenever information is input by using ultrasonic signals, particularly, a problem in that the plurality of ultrasonic sensors have to be prepared to perform information inputting using the ultrasonic waves by a portable electronic device, can be solved.11-11-2010
20090301205ULTRASONIC SENSOR - An ultrasonic sensor, in particular for a vehicle, including a housing, includes the following: a transducer element which is attached to the bottom of the housing for generating ultrasonic oscillations; a first damping element situated in the housing for damping oscillations of the bottom; and a cover for sealing the housing, the cover being provided with a second damping element and having continuous tapering of the cover thickness in the region of the second damping element.12-10-2009
20110259106DISTANCE SENSOR AND METHOD FOR DETERMINING A DISTANCE - A distance sensor has an ultrasound transceiver for transmitting ultrasound pulses and for receiving reflected ultrasound pulses from an object. A discriminator unit is configured for determining a center of distribution of the received reflected ultrasound pulse on the basis of the received reflected ultrasound pulse exceeding a first threshold value and subsequently dropping below a second threshold value. A propagation time analyzer device, is designed for determining, based on the determined center of distribution, the distance to the object.10-27-2011
20110303014ULTRASONIC WAVE PROPAGATION TIME MEASUREMENT SYSTEM - An ultrasonic wave propagation time measurement system comprises: a transmitting section that transmits an electromagnetic wave signal indicating transmission timing and an ultrasonic wave signal, and a receiving section that detects the transmitted electromagnetic wave signal and the ultrasonic wave signal and calculates an ultrasonic wave propagation time based on reception times of the electromagnetic wave signal and the ultrasonic wave signal; and an initial mode setting mechanism that constitutes an optimum ultrasonic wave transmission/reception system by selecting the set values of one or more setting parameters is provided in a controlling unit that controls the transmission of the signals in the transmitting section and in a data processing unit that controls the detection and calculation in receiving section.12-15-2011
20120152022Ultrasound-Based Measuring Device and Method - An ultrasound-based measuring device includes a measurement body, at least one ultrasonic transmitter for coupling ultrasonic measurement signals into the measurement body, and at least one ultrasonic receiver for detecting the ultrasonic measurement signals reflected at an end face of the measurement body. The at least one ultrasonic transmitter emits both a longitudinal and a transverse measurement signal. The influence of a physical disturbance variable on the measurement section traversed by the measurement signals during a determination of a measurement pressure prevailing at the end face and/or of a measurement temperature prevailing at the end face can be taken into account on the basis of the propagation times and a difference between the propagation times of the longitudinal and transverse measurement signals reflected at the end face.06-21-2012
20120000289TARGET DETECTION DEVICE, TARGET DETECTION CONTROL PROGRAM, AND TARGET DETECTION METHOD - A target detection device includes: a sound source which projects a sound pulse; a transducer array disposed in a region for receiving a forward scattered wave from an object in the propagation environment; an addition processing unit which extracts only a signal of the forward scattered wave by applying vector addition processing on a reference signal in a reference sound field received when an obstacle exists in the propagation environment and a mixed signal in a mixed sound field received when the target exists with the obstacle; a phase conjugation determination unit which checks whether a phase conjugacy is established by receiving the signal of the extracted forward scattered wave and employing a passive phase conjugation for determining the reference sound field; and a time reversal processing unit which generates a time reversal signal on condition that the phase conjugation determination unit judges that the phase conjugacy is established.01-05-2012
20120118064ULTRASONIC TESTING PROBE AND ULTRASONIC TETING APPARATUS - Provided are an ultrasonic testing probe and an ultrasonic testing apparatus capable of reducing the time required for flaw detection while maintaining the flaw-detection capability, irrespective of the shape of the inner surface of a tested object. A first probe (05-17-2012
20110016979METHOD FOR THE NON-DESTRUCTIVE TESTING OF A TEST OBJECT BY WAY OF ULTRASOUND AND APPARATUS THEREFOR - A method for the non-destructive testing of a test specimen by means of ultrasound and a corresponding device, the method including 01-27-2011
20090049919ULTRASONIC AIR AND FLUID DETECTOR - An ultrasonic sensor for detecting the presence of air or liquid uses flex circuits for connecting the ceramic element to the driver circuitry. The sensor provides improved transmission of ultrasonic signals between the ceramic element and the adjacent material, providing greater flexibility in using the sensor.02-26-2009
20120060612TEST PROBE AS WELL AS FAMILY OF TEST PROBES FOR THE NON-DESTRUCTIVE TESTING OF A WORKPIECE BY MEANS OF ULTRASONIC SOUND AND TESTING DEVICE - The invention relates to a test probe 03-15-2012
20120152021METHODS AND SYSTEMS FOR ULTRASONIC IMAGING - A method for ultrasonic imaging comprises: emitting Doppler pulses to a target to be detected; performing a Doppler scan with Doppler pulses; receiving echo signals from the target, wherein the echo signals include Doppler pulse echo signals; processing the echo signals, wherein processing comprises an imaging step, the imaging step comprising parallel processing steps including a 2D image processing step, a flow image processing step, and a spectrum image processing step, wherein the 2D image processing step is configured for processing the echo signals to obtain 2D image signals, the flow image processing step is configured for processing the echo signals to obtain flow image signals, and the spectrum image processing step is configured for processing the echo signals to obtain spectrum image signals; and displaying the processed echo signals.06-21-2012
20110088476ULTRASONIC TESTING METHOD AND EQUIPMENT THEREFOR - A ultrasound flaw probing device (04-21-2011
20110088475TRANSMITTER WITH INTRINSIC OUTPUT ZEROING - An ultrasound transmitter including intrinsic output zeroing is disclosed herein. A transmitter for generating ultrasound signals includes a first transmitter output driver and a first transmitter input driver. The first transmitter output driver includes an N-type device serially coupled to a P-type device. The first transmitter input driver includes an N-type device serially coupled to a P-type device. An output of the first transmitter input driver is coupled to an input of the first transmitter output driver. The first transmitter output driver drives an output of the transmitter to a first voltage and the first transmitter input driver drives the output of the transmitter to a second voltage while the first transmitter output driver is disabled.04-21-2011
20120247212ULTRASONIC TRANSMITTING AND RECEIVING DEVICE FOR THICKNESS AND/OR GRAMMAGE MEASUREMENT - An ultrasonic transmitting and receiving device is provided for measuring the transmission and/or reflection of ultrasonic waves on a thin material sheet, in particular on a foil sheet. The device may include a plurality of ultrasonic transmitters, a plurality of ultrasonic receivers, wherein the number of the ultrasonic transmitters corresponds to the number of the ultrasonic receivers, and one receiver electronics respectively for each of the ultrasonic receivers or each a group receiver electronics respectively for a predetermined number of ultrasonic receivers. A method is provided for ultrasonic absorption and/or transmission measurement, in which signals are emitted by multiple ultrasonic transmitters at the same time or nearly at the same time which are received by ultrasonic receivers and in which the received signals are evaluated in parallel.10-04-2012
20120312098ULTRASONIC DIAGNOSTIC APPARATUS AND ULTRASONIC WAVE TRANSMISSION/RECEPTION CONTROL METHOD - An ultrasonic diagnostic apparatus includes an memory, an determination unit, an instruction unit, a specifying unit, and an redetermination unit. The memory stores upper limit values of parameters for restricting the powers in display modes. The determination unit determines the powers in the modes so as not to exceed upper limit values of the parameters. The instruction unit inputs an instruction to increase/decrease the power of a specific mode. The specifying unit specifies the parameter value in the specific mode. The redetermination unit determines an upper limit value of the parameter in a mode different from the specific mode based on the upper limit value of the parameter in the specific mode and the parameter value specified by the specifying unit.12-13-2012
20120073376Ultrasonic probe - The shapes of reflecting parts in a hermetically sealed container are inclined to prevent generation of an unnecessary echo. In a short-axis oscillating ultrasonic probe, a piezoelectric element group arranged along a long-axis direction and having an acoustic lens on an ultrasonic wave transmitting/receiving surface, is provided on a rotary holding table housed in a hermetically sealed container. An ultrasonic wave transmitted and received to/from the ultrasonic wave transmitting/receiving surface of the piezoelectric element group is mechanically scanned in the short-axis direction of the piezoelectric element group by rotating and oscillating the rotary holding table in the short-axis direction, and a liquid serving as an acoustic medium is filled in the hermetically sealed container. The surface shapes of the reflecting parts in the hermetically sealed container are inclined so that, when an unnecessary ultrasonic wave travelling in the hermetically sealed container and exceeding a range of the acoustic lens after propagating in the long-axis direction or the short-axis direction between the surface of the acoustic lens and the inner periphery of the hermetically sealed container, is reflected on any of the reflecting parts, the unnecessary ultrasonic wave after being reflected does not return to between a surface of the acoustic lens and an inner periphery of the hermetically sealed container.03-29-2012
20120266675METHOD OF OPERATING AN ULTRASONIC TRANSMITTER AND RECEIVER - Operating an ultrasonic transmitter and receiver includes providing a MEMS composite transducer. The MEMS composite transducer includes a substrate. Portions of the substrate define an outer boundary of a cavity. A first MEMS transducing member includes a first size. A first portion of the first MEMS transducing member is anchored to the substrate. A second portion of the first MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. A second MEMS transducing member includes a second size smaller than the first size of the first MEMS transducing member. A first portion of the second MEMS transducing member is anchored to the substrate. A second portion of the second MEMS transducing member extends over at least a portion of the cavity and is free to move relative to the cavity. A compliant membrane is positioned in contact with the first and second MEMS transducing members. A first portion of the compliant membrane covers the first and second MEMS transducing members. A second portion of the compliant membrane is anchored to the substrate. Electrical pulses are sent to the first MEMS transducing member which causes the first MEMS transducing member and the compliant membrane to vibrate. The vibrations of the first MEMS transducing member and the compliant membrane are transmitted to an object. Echo signals are received from the object. The received echo signals are converted into electrical signals by the second MEMS transducing member.10-25-2012
20120266677ULTRASONIC TRANSDUCER FOR USE IN A FLUID MEDIUM - An ultrasonic transducer for use in a fluid medium includes at least one transducer core having at least one electroacoustic transducer element, and further includes at least one housing having at least two housing parts. At least one first housing part at least partially encloses the transducer core such that a rear side of the electroacoustic transducer element which faces away from the fluid medium is accessible. Furthermore, at least one second housing part is connected to the first housing part. The ultrasonic transducer is essentially terminated by the second housing part on its side, which faces away from the fluid medium.10-25-2012
20120266676Method and device for improved measurement of ultrasound propagation time difference - A method for measuring a propagation time difference includes: sending a transmitted ultrasound pulse, which is provided with a transmission reference instant and which includes an envelope and a carrier frequency, into a spatial region and receiving a received ultrasound pulse that corresponds to the transmitted ultrasound pulse transmitted. A coarse time difference is provided by comparing the transmission reference instant with an envelope of the received ultrasound pulse, for at least two cycles of transmission/reception in opposite directions of transmission. A fine time difference is provided by comparing the transmission reference instant with an instantaneous variation of the received ultrasound pulse, for the at least two cycles of transmission/reception in opposite directions of transmission.10-25-2012
20110226065METHOD AND DEVICE FOR ACOUSTIC ANALYSIS OF MICROPOROSITIES IN A MATERIAL SUCH AS CONCRETE USING MULTIPLE CMUTS TRANSDUCERS INCORPORATED IN THE MATERIAL - A device for analyzing microporosities of a given material including at least two phases, one of which is a fluid phase, the device including: multiple sensors incorporated in the given material, wherein each of the sensors includes one or more cMUT acoustic and capacitive transducers.09-22-2011
20110226064APPARATUS FOR DETERMINING AND/OR MONITORING A PROCESS VARIABLE - An apparatus for determining and/or monitoring a process variable. The apparatus includes a housing, a mechanically oscillatable unit, and a transducer unit, which is arranged and clamped between two housing elements in such a manner that a predeterminable pressure acts on the transducer unit along an imaginary axis. An equalizing element is provided, whose coefficient of thermal expansion and/or height are/is selected in such a manner that a temperature-related expansion of the equalizing element during a temperature-related expansion of a housing element to be compensated leads to the pressure acting on the transducer unit being greater than or equal to a predeterminable prestress limit value.09-22-2011
20110283798ULTRASONIC TESTING METHOD AND APPARATUS - An ultrasonic testing apparatus 11-24-2011
20120285251ULTRASOUND PROBE - The present invention relates to an ultrasound therapy system using high-intensity focused ultrasound. The present invention improves ultrasound and heat release characteristics and provides an ultrasound probe which easily performs manufacturing and maintenance processes. According to the present invention, a housing is recessed on the inward side around the upper-part edge. A plurality of mounting holes are uniformly formed from the outside at a constant radius to the edge in the center of the upper part. And a plurality of probe units are respectively installed to the plurality of mounting holes to form a sphere in the upper part of the housing wherein a first connection pin is protruded to the lower part of the housing in the lower part of a copper connection bar and a rear block, a piezoelectric wafer, and an acoustic matching layer are sequentially stacked on the upper part of the connection bar.11-15-2012
20120240680ULTRASONIC SENSOR - An ultrasonic sensor includes a transceiver block having a transceiver device for transmitting and receiving ultrasonic waves, and a circuit board mounted with an electronic circuit for processing ultrasonic signals transmitted and received through the transceiver device. A housing of the ultrasonic sensor includes a storing portion having an opening. The circuit board is stored within the storing portion, and the opening of the storing portion is closed by the transceiver block.09-27-2012
20120247211ULTRASONIC MEASURING METHOD AND ULTRASONIC MEASURING SYSTEM - An ultrasonic measuring method and an ultrasonic measuring system use or include at least one actual-measurement ultrasonic sensor set each consisting of a first ultrasonic sensor and a second ultrasonic sensor, for measuring the basis weight of an electrode paste, and a calibration ultrasonic sensor set consisting of a pair of first calibration ultrasonic sensor and second calibration ultrasonic sensor. The calibration ultrasonic sensor set performs calibration during measurement of the thickness of the electrode paste, and the actual-measurement ultrasonic sensor set calculates the basis weight of the electrode paste, using a measurement condition value obtained by the calibration ultrasonic sensor set.10-04-2012
20130091952Apparatus For Measuring Concrete Strength And Slip Form Method For Constructing Vertical Concrete Column Member Using Surface Wave Velocity Measurement Device - An apparatus for measuring the strength of concrete using a surface wave velocity including an ultrasonic transmission and reception probe is provided. The apparatus is configured to include a surface wave velocity measurement device including an ultrasonic transmission probe and an ultrasonic reception probe. Further, a method of constructing the slip form of a concrete column member is provided. The method is capable of reducing the construction period by raising a concrete form rapidly and safely using a method of determining the slip-up time of the slip form based on the strength of concrete measured by the apparatus.04-18-2013
20130111996APPARATUS FOR DETERMINING GAUGE PROFILE FOR FLAT ROLLED MATERIAL - A gauge profile apparatus (05-09-2013
20130125657NON-DESTRUCTIVE INSPECTION APPARATUS HAVING AN ERGONOMIC GRIP AND ASSOCIATED METHOD - A non-destructive inspection apparatus, system and associated method are provided to facilitate the inspection of a workpiece. The non-destructive inspection apparatus includes an ultrasonic sensor configured to be placed in operable contact with the workpiece. The ultrasonic sensor is configured to emit ultrasonic signals into the workpiece and to receive return signals from the workpiece. The non-destructive inspection apparatus also includes a grip operably connected to the ultrasonic sensor such that the grip and the ultrasonic sensor are movable in concert. The grip is configured to support an operator's palm, such as a majority of the operator's palm, such that force applied to the ultrasonic inspection apparatus by the operator is transferred via the grip to the ultrasonic sensor. The non-destructive inspection system may also include a computer in communication with the non-destructive inspection apparatus to receive information relating to the return signals received by the ultrasonic sensor.05-23-2013
20130180338APPARATUS FOR INTERNAL INSPECTION OF A WORKPIECE HAVING A HOLLOW CYLINDRICAL HOLE - An apparatus internally inspects a workpiece having a hollow cylindrical hole. The apparatus contains an ultrasound transducer configuration having a plurality of ultrasound transducer elements, which are arranged in at least one row, one next to the other, in an elastically deformable carrier which has the form of a segment of a hollow cylinder and has a plurality of sliding pimples which extend in the longitudinal direction of the carrier and project with a protrusion in the radial direction beyond the transmitting and/or receiving surfaces of the ultrasound transducer elements.07-18-2013
20080202244Digital log amplifier for ultrasonic testing - The apparatus and method of the present invention provides an ultrasonic object inspection system for measuring the physical properties of a test object comprising a pulse generator for generating and transmitting an electrical pulse signal to a transducer. The transducer receives and converts the electrical pulse signal to an ultrasonic signal, applies the ultrasonic signal to the test object, receives an ultrasonic echo signal from the test object, and converts the ultrasonic echo signal to an electrical echo signal, and transmits the electrical echo signal to a signal processing circuit. The signal processing circuit receives and processes the electrical echo signal and comprises a plurality of signal processing paths. Each of the signal processing paths scales the electrical echo signal to a different degree and comprises a respective analog to digital converter for converting the electrical echo signal to a digital electrical echo signal. The signal processing circuit further comprises a logic circuit for selecting the output of the respective analog to digital converter that provides the digital electrical echo signal having the greatest amplitude without exceeding a predetermined saturation threshold.08-28-2008
20100307252Method and Device for Ultrasound Testing - In a method and device for ultrasonic testing of a workpiece, a multiplicity of ultrasonic testing pulses are launched into the workpiece from a test surface thereof. At least two ultrasonic testing pulses are launched into the workpiece to be tested at launching points that are spaced apart from one another by a test step width measured along the test surface. A single measured value (Ī) assigned to a local point located in the workpiece is calculated on the basis of the received signals assigned to the at least two ultrasonic testing pulses.12-09-2010
20120272739ULTRASONIC PROBE AND METHOD FOR THE NONDESTRUCTIVE TESTING OF A PLANAR TEST SPECIMEN - An ultrasonic probe and a method for the nondestructive testing of a test specimen are described, which are activatable individually or in groups as phased array for the emission or reception of ultrasonic plate waves in a predefinable propagation direction in the test specimen wall to be tested. At least one ultrasonic transducer segment with at least two segment parts emits an ultrasonic plate wave field into the test specimen and which are activatable jointly and simultaneously as a phased array. The at least two segment parts are arranged along a common plane so that the ultrasonic wave fields provided from or received by the at least two segments mutually overlap and each have a main propagation direction which encloses an acute angle α in a projection of the plane.11-01-2012
20110303013 REMOVABLE WEAR-PLATE ASSEMBLY FOR ACOUSTIC PROBES - Disclosed is a wear plate assembly for NDT/NDI probes which provides sufficient protection for the probe being wrung against test objects, desirable acoustic performance meeting the requirements for versatile ultrasonic inspections while providing a mechanism that allows the transducer to be put into or taken out conveniently. The wear plate protects probes from being pieced, worn or structurally deformed albeit being thinner than a wavelength of the acoustic echoes.12-15-2011
20120017685Ultrasonic Transducer System and Evaluation Methods - Methods and systems are provided for evaluating rock specimens subjected to high pressures and temperatures by ultrasonic evaluation utilizing various transducer enhancements. Certain embodiments contemplate configuring ultrasonic evaluation systems to provide more accurate measurements, enhanced protection of transducer elements, fewer metal interfaces between transducer elements and test specimens, and easier access to transducer elements for maintenance and replacement. Additionally, certain embodiments allow for sequential or simultaneous p-wave and s-wave measurements of a test specimen. These enhancements translate into a more accurate and efficient ultrasonic evaluation system offering higher resolution measurements.01-26-2012
20120060611INSPECTION VEHICLE FOR THE INSPECTION OF SUBSTANTIALLY CYLINDRICAL OBJECTS - An inspection vehicle for inspecting a substantially cylindrical object composed of a magnetizable material includes a chassis. A plurality of wheels is disposed on the chassis so as to be rotatable and is configured to move the chassis in a circumferential direction along an external surface of the cylindrical object, at least some of the plurality of wheels being motor-drivable. The plurality of wheels is disposed so as to provide a chassis clearance allowing a movement of the chassis over an obstruction on the external surface of the cylindrical object. A magnetic device is disposed on the chassis and is configured to hold the vehicle on the external surface of the cylindrical object.03-15-2012
20120060610METHOD AND SYSTEM FOR COOLING AN ULTRASOUND PROBE - The embodiments of the probe or the probe handle additionally include an integrally formed cooling structure with at least one dividing wall that is connected to an outer wall and an inner wall of the probe. The outer wall and the inner wall of the probe together form a medium flow space inside the probe, and the dividing wall divides the medium flow space into a continuous medium flow path where a predetermined medium travels to carry undesirable heat away from the probe handle. The undesirable heat is generated from electronic components and or an array of transducer elements in the probe handle.03-15-2012

Patent applications in class Sonic wave transmitter or receiver transducer

Patent applications in all subclasses Sonic wave transmitter or receiver transducer