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9003887 Ultrasonic sensor  
An ultrasonic sensor includes a cylindrical case having a bottom and a side wall, a piezoelectric element attached to an inner bottom surface of the case, a terminal retainer configured to hold...
8939911 Ultrasonic probe and apparatus for obtaining ultrasonic image  
The ultrasonic probe comprises an ultrasonic transducer section in which a plural of ultrasonic transducers arranged in a row in the scanning direction, an acoustic lens and a low attenuation...
8941287 Method and device for long-term monitoring of components using guided waves  
The present disclosure relates to a system for monitoring a structural component. The system may include an electromechanical device to generate guided waves having a measurement surface and a...
8841823 Ultrasonic transducer wear cap  
A wear cap including a flexible barrel and a rigid disc enables a high-frequency ultrasonic transducer to properly align to the surface of a material to be tested. The wear cap may be employed for...
8824243 Ultrasonic transducer unit and ultrasonic probe  
In an ultrasonic transducer unit comprising a plurality of ultrasonic transducers, each of the ultrasonic transducers is provided with a recess formed in one face of an insulating substrate, and a...
8789422 Electromagnetic-acoustic transducer and ultrasonic test system having the same  
An electromagnetic-acoustic transducer for ultrasonic testing of test objects which are composed substantially of an electrically conductive material includes a magnet system that produces a...
8784319 Ultrasonic probe and ultrasonic diagnostic device  
An ultrasonic probe includes at least one transmission element layer for transmitting ultrasonic waves, at least one reception element layer for receiving ultrasonic waves and which is provided...
8715531 Actuator  
A conductive polymer doped with a dopant can be expanded and contracted when electrically oxidized and reduced in a driving electrolytic solution containing an anion, and thereby can act as an...
8680745 Device for measuring material thickness  
A piezoelectric sensing device is described for measuring material thickness of targets such as pipes, tubes, and other conduits that carry fluids. The piezoelectric sensing device includes a...
8618719 Autonomous power generation unit for auxiliary system on an airborne platform  
A power generation device that provides power to an auxiliary system on an airborne platform, includes a piezoelectric energy harvesting device and an energy storage unit, including a battery and...
8547000 Ultrasonic, flow measuring device  
An ultrasonic transducer for an ultrasonic, flow measuring device comprising an electromechanical transducer element and an ultrasound window, wherein an adapting, or matching, layer liquid at...
8513860 Acoustic monitoring system  
An acoustic transducer is disclosed in which a set of electrode arrays is arranged around a nominal center point and comprising a set of circumferentially disposed electrode elements. A...
8368289 Nondestructive testing apparatus and method  
A laser opto-acoustic apparatus and method is applied for nondestructive testing of defects and residual stresses in solids. A nondestructive testing apparatus may have a piezoelectric transducer...
8278799 System and method for optimizing the design of an ultrasonic transducer  
A system and method for determining optimal values for the geometrical features of an ultrasonic transducer having one or more elements, the method including backprojection ray-tracing to...
8264127 Low frequency acoustic transducer for a probe for non-destructive testing  
The present invention provides a low frequency acoustic transducer for non-destructive testing of a test structure. The transducer is arranged for conversion between electrical energy and acoustic...
8258678 Short range ultrasonic device with broadbeam ultrasonic transducers  
An apparatus comprises a first transducer support configured to receive a first transducer in a first opening. A face of the first face of the transducer is located in a first plane. The apparatus...
8246545 Ultrasound transducers with improved focus in the elevation direction  
A phased array ultrasound transducer is made from a plurality of independently excitable elements that are arranged in a row in the azimuthal direction, configured so that azimuthal aiming of an...
8232706 Autonomous power generation unit for auxiliary system on an airborne platform  
A stand-alone power generation device that provides power to an auxiliary system on an airborne platform, includes a piezoelectric energy harvesting device and an energy storage unit, including a...
8210046 Composition for acoustic damping  
In one embodiment of the invention, a composition for a damping wedge in an ultrasonic probe having a wedge body is disclosed, the composition including: a viscoelastic material having a ratio of...
8148877 Micromachined piezoelectric ultrasound transducer arrays  
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that significantly decreased electrical impedance...
8102101 Piezoelectric sensors  
A piezoelectric sensor having a plurality of electrodes deposited on a single surface of the dielectric medium is generally provided. The plurality of electrodes can define a plurality of...
8058776 Laminar array ultrasound transducer and system  
A system for use in material testing which can be used on non-planar shapes and which is simple and inexpensive in construction. The system includes a layer of piezoelectric material sandwiched...
8008842 Micromachined piezoelectric ultrasound transducer arrays  
A piezoelectric composite micromachined ultrasound transducer including single and multilayer 1-D and 2-D arrays having through-wafer-vias (TWVs) that significantly decreased electrical impedance...
7998072 Probe based digitizing or compression system and method for medical ultrasound  
Methods, systems and probes communicate signals from a transducer for imaging or connection with an imaging system. Beamforming-related electronics are positioned in the connector housing of the...
7973455 Ultrasonic sensor having stable anisotropy in directional properties  
A case member of an ultrasonic sensor includes an outer case member having a substantially cylindrical shape with a bottom surface and an inner case member. Cutout portions having a predetermined...
7952239 Bimetallic strips for energy harvesting, actuation and sensing  
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive...
7936110 Lateral excitation of pure shear modes  
Circularly polarized resonant structures are obtained utilizing piezoelectric resonators made of materials and orientations selected in accordance with the teaching provided herewith. Further...
7834490 Bimetallic strips for energy harvesting, actuation and sensing  
Disclosed are bimetallic strips that incorporate magnetostrictive materials to enhance and provide sensing, actuating and energy harvesting functions. The bimetallic strips include a positive...
7795783 Transducer assembly  
Transducer assemblies and methods of replacing having a housing, a removable diaphragm, and a sealing diaphragm. The transducer assembly may be used with a spool piece to prevent fluid from...
7794401 Ultrasonic probe for intra-cavity diagnosis and manufacturing method thereof  
A diagnostic ultrasonic probe for use in body cavities has at its tip an ultrasonic transducer array, which has a layered structure wherein a flexible circuit board, an electric circuit, a backing...
7791254 Hybrid ultrasound transducer  
In a nondestructive testing system, a preamplifier is connected to a piezoelectric element and is tuned to optimize the amplitude of a signal input to the piezoelectric element and the shape of a...
7762954 Ultrasonic imaging catheters  
An intravascular ultrasonic imaging catheter is provided with a flexible circuit electrically coupled to a transducer array mounted on the distal end of the catheter, a portion of the flexible...
7755256 Ultrasonic diagnostic apparatus and ultrasonic probe  
An ultrasonic probe including a piezoelectric vibrator configured to transmit and receive ultrasonic waves, an acoustic lens configured to focus the ultrasonic waves and an acoustic matching layer...
7732993 Ultrasonic sensor and method for manufacturing the same  
An ultrasonic sensor with stabilized transmitting/receiving characteristics capable of achieving a desired directivity easily and at low cost and a method for manufacturing the same are provided....
7663295 Method and system for measuring physical parameters with a piezoelectric bimorph cantilever in a gaseous or liquid environment  
A piezoelectric bimorph cantilever is used for determining physical parameters in a gaseous or liquid environment. The sensor works as a driven and damped oscillator. Contrary to common cantilever...
7554245 Ultrasonic probe  
The invention relates to an oscillating ultrasonic probe that comprises a group of piezoelectric elements consisting of a plurality of narrow card-shaped piezoelectric elements arrayed in a...
7536912 Flexible diagnostic patches for structural health monitoring  
Devices for monitoring structural health conditions of structures. A device includes a bottom substrate layer and an electrical connection layer disposed on the bottom substrate layer. The...
7392705 Ultrasonic sensor  
An ultrasonic sensor includes an ultrasonic transducer and a case. The ultrasonic transducer has a housing in a cylindrical shape with a bottom attached thereto, a piezoelectric device disposed in...
7332849 Method and transducers for dynamic testing of structures and materials  
A transducer for dynamic testing of specimen is disclosed. The transducer comprises at least two equally-spaced actuators, and a supporting block for supporting the at least two equally-spaced...
7307373 Transducer assembly for an ultrasonic fluid meter  
A transducer assembly for an ultrasonic fluid meter. At least some of the illustrative embodiments are transducer assemblies comprising an elongated outer housing defining an interior and an...
7293461 Ultrasonic tubulars inspection device  
A system, method, and apparatus for ultrasonic detection of flaws or defects in oil field tubulars utilizing composite transducers. An array of composite transducers are utilized to detect...
7255007 Configurations and methods for ultrasound time of flight diffraction analysis  
An ultrasound test apparatus for polymeric materials (e.g., plastic pipes) includes a low-absorption housing that at least partially encloses an ultrasound transducer, wherein the transducer emits...
7249513 Ultrasound probe  
An improved ultrasound probe includes a support member, a signal cable having a plurality of electrically conductive members and an ultrasound transducer array. Distal end portions of each of the...
7197798 Method of fabricating a composite apparatus  
A method for fabricating a piezoelectric macro-fiber composite actuator comprises making a piezoelectric fiber sheet by providing a plurality of wafers of piezoelectric material, bonding the...
7082810 Gas sensor  
A gas sensor (10) including a measurement chamber (28) into which a gas GS is flown and a detection element main body (40) facing the measurement chamber (28). The detection element main body (40)...
7080543 Sensor and method for manufacturing the same  
A detecting-element assembly (40) is configured such that a piezoelectric element (51) is housed in a casing body portion (43) of a casing (42), and is attached to a housing portion (22) of a flow...
7075216 Lateral field excited acoustic wave sensor  
An acoustic wave sensor having a piezoelectric substrate shaped to generate lateral electric fields. The sensor has a pair of electrodes deposited upon a reference surface of the substrate. A...
6993812 Method of manufacturing the piezoelectric transducer  
Inner individual electrodes are formed at intervals on a piezoelectric ceramic layer so as to correspond in a one-to-one relationship with ink channels, and an inner common electrode are formed on...
6952967 Ultrasonic transducer  
An ultrasonic transducer is provided having a transduction element in the form of a truncated cone. The angle of the transduction element is selected so that the majority of the acoustic energy...
6915696 Intersecting ultrasonic transducer arrays  
A method is provided for manufacturing crossing/intersecting transducer arrays including first and second ultrasonic transducer arrays which intersect centrally of one another. Each transducer...

Matches 1 - 50 out of 377 1 2 3 4 5 6 7 8 >