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RE45464 Electroactive polymer animated devices  
The present invention relates to animated devices that include one or more electroactive polymer transducers. When actuated by electrical energy, an electroactive polymer produces mechanical...
8997590 Multi-part mounting device for an ultrasonic transducer  
A multi-part mounting device for an ultrasonic transducer, the mounting device comprising a first part configured to mount the mounting device on a housing of an ultrasonic test probe, and a...
8981618 Devices having a tunable acoustic path length and methods for making same  
A tunable acoustic resonator device has a piezoelectric medium as a first thin film layer and a tunable crystal medium as a second thin film layer. The tunable crystal medium has a first acoustic...
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...
8797152 Haptic actuator apparatuses and methods thereof  
A haptic actuator apparatus and a method of making the same include an ultrasonically vibrating motor and its housing. The housing includes a guide structure coupled to the ultrasonically...
8792307 Acoustic transducer with a backing containing unidirectional fibers and methods of making and using same  
The disclosure, in one aspect, provides an apparatus that includes an acoustic transducer and a backing in contact with a side of the transducer. The backing includes substantially unidirectional...
8779649 Ultrasonic transducer  
An ultrasonic transducer includes a case having a closed end in the main axis direction, a piezoelectric element located substantially at the center of the closed end of the case, and a body...
8754571 Two-axis inertial positioner  
A two-axis inertial positioner comprises a cascaded stack of orthogonal actuators mounted on a base and a platform frictionally mounted to the top surface of one of the actuators. An alignment...
8707549 Ergonomic grip assemblies and handles for ultrasound transducers  
The present invention relates to ultrasound transducers for ultrasonic imaging systems and, in particular, to improved grip assemblies for ultrasound transducers. One grip assembly includes a...
8698377 Dual-mode piezocomposite ultrasonic transducer  
A compact, high power, dual mode, emitting and receiving ultrasound transducer and method for applying ultrasonic energy within a living subject and for monitoring the effects it induces in tissue...
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...
8674587 Ultrasonic transducer and fabricating the same  
An aspect of one embodiment, there is provided an ultrasonic transducer including a plurality of oscillators, each of the oscillator having a convex portion, a printed wiring board provided to be...
8669723 Control apparatus of vibration-type actuator and control method of vibration-type actuator  
Provided is a control apparatus of a vibration-type actuator for generating an elliptical motion of contact portions by a common alternating current signal including a frequency determining unit...
8587182 Ultrasonic transducer  
An ultrasonic transducer includes: a diaphragm pot that has a surrounding wall; a transducer element mounted in a diaphragm pot on a transducer section on an inner side of the diaphragm for...
8569928 Method for influencing, damping, or suppressing mechanical vibrations occurring during operation in a turbomachine blade, a turbomachine blade useful for carrying out the method, and a piezoelectric damping element  
In a method for influencing, in particular damping or suppressing, mechanical vibrations occurring during operation in a turbomachine blade (10), the mechanical vibratory energy of the...
8562534 Ultrasonic probe  
Provided is an ultrasonic probe, which can be improved in quality, which can acquire characteristics of a high sensitivity and a wide band and which can acquire an ultrasonic image of a high...
8556227 Temperature-compensated piezoelectric flexural transducer  
It is introduced a miniaturizable actuation device based on piezoelectric flexural transducer element, which can be fabricated easily and cost effective, for use in a fluid valve or other devices,...
8551041 Navigable system for catheter based endovascular neurosurgery  
A navigable system for catheter based endovascular neurosurgery including: a micro-motor (3) including a piezoelectric actuator (5) mounted to a free end of a guidewire or micro-catheter (2), the...
8536959 Substrate with built-in electronic component  
Provided is a substrate with a built-in electronic component that can minimize occurrence of functional anomaly, damage, or the like in a filter function section of an elastic wave filter that is...
8536764 Arrangement of a piezoacoustic resonator on an acoustic mirror of a substrate, method for producing the arrangement and use of the arrangement  
In an arrangement of at least one piezoacoustic resonator on a substrate surface, the resonator has an piezoelectric layer, an electrode and a further electrode arranged such that activation of...
8531083 Devices having a tunable acoustic path length and methods for making same  
A tunable acoustic resonator device has a piezoelectric medium as a first thin film layer and a tunable crystal medium as a second thin film layer. The tunable crystal medium has a first acoustic...
8519600 Ultrasonic transducer  
An ultrasonic transducer includes: a piezoelectric transducer (1) emitting ultrasonic waves; and a backing layer (4) provided in contact with a back side of the piezoelectric transducer (1) and...
8487513 Piezoelectric actuator  
Disclosed herein is a piezoelectric actuator. The piezoelectric actuator includes a piezoelectric element generating vibrations by repetitively expanding and restoring according to power applied...
8413524 Acoustic matching member, ultrasonic transmitter/receiver, and ultrasonic flowmeter  
An acoustic matching member is fitted to a main body in a pair of ultrasonic transmitter/receivers. The acoustic matching member includes a matching member equipped with a porous body adhered...
8406438 Device and method for the excitation and/or damping and/or detection or structural oscillations of a plate-shaped device using a piezoelectric strip device  
An apparatus and a method for the excitation and/or damping and/or detection of structural oscillations of a plate-shaped device by means of a piezoelectric strip device are described. The...
8354775 Ultrasonic transducer  
An ultrasonic transducer includes a case, a reflective portion, and a piezoelectric body. The case has a substantially cylindrical shape including one closed end in the center axis direction that...
8330333 Ultrasound imaging transducer acoustic stack with integral electrical connections  
An ultrasound transducer that includes a backing layer, an insulating layer disposed on top of the backing layer, and a plurality of conductive traces disposed on top of the insulating layer are...
8288920 Ultrasonic 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 acoustic/electric transducer element. The ultrasonic transducer furthermore includes at...
8264124 Ultrasonic transducer  
An ultrasonic transducer that improves workability of a housing, suppresses variations in resonant frequency, and has stable characteristics is constructed. The ultrasonic transducer includes 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...
8190303 Systems and methods to dissipate heat in an information handling system  
In a particular embodiment, a system to dissipate heat in an information handling system includes a first heat-generating component adapted to process first data and a second heat-generating...
8188810 Acoustic resonator performance enhancement using selective metal etch  
An acoustic resonator comprises: a substrate; a first electrode adjacent the substrate; a layer of piezoelectric material adjacent the first electrode; a second electrode adjacent the layer of...
8179024 Piezoelectric transducer device  
The present invention relates to a transducer device (10), comprising: an acoustic membrane (14); a piezoelectric element (12) mounted to the acoustic membrane; two oppositely arranged elastic...
8134279 Piezoelectric damping device  
The piezoelectric damping device is a passive piezoelectric vibration suppression and damping device for reducing amplitude of vibration in structures. The piezoelectric damping device includes a...
8093782 Specialized, high performance, ultrasound transducer substrates and related method thereof  
Backing substrates for reducing parasitic echoes produced within a ultrasonic transducer are provided comprising a polymeric material, for example, an epoxy having a glass transition temperature...
8049148 Missile airframe and structure comprising piezoelectric fibers and method for active structural response control  
Embodiments of a missile, an airframe and a structure comprising piezoelectric fibers and a method for active structural response control are generally described herein. In some embodiments, a...
8008993 Thin-film bulk-acoustic wave (BAW) resonators  
A thin-film bulk acoustic wave (BAW) resonator, such as SBAR or FBAR, for use in RF selectivity filters operating at frequencies of the order of 1 GHz. The BAW resonator comprises a piezoelectric...
7956516 Ultrasonic sensor and method for manufacturing the same  
An ultrasonic sensor includes a cylindrical casing having a bottom portion. The casing has a piezoelectric element on a bottom surface thereof. A substrate is attached to an end surface of an...
7956514 Ultrasonic attenuation materials  
Improved acoustic attenuation materials and applications are provided. An improved acoustic attenuation material may include a woven layer of fibers made of porous polymers, such as porous...
7884528 Driving apparatus  
A driving apparatus has a piezoelectric element as a driver. The driving apparatus includes a first vibrator which generates an elliptical vibration when a voltage of a predetermined frequency is...
7877854 Method of manufacturing an ultrasound transducer  
A focused ultrasound transducer includes a first ultrasonic emitter and at least one metallic ultrasonic lens acoustically coupled thereto. The emitter generates ultrasonic energy that propagates...
7854049 Method of manufacturing a piezoelectric thin film device  
In a piezoelectric thin film device of the present invention, the degree of flexibility is enhanced in selection of a piezoelectric material constituting a piezoelectric thin film and the crystal...
7777395 Continuous drop emitter with reduced stimulation crosstalk  
A continuous drop emitter includes a liquid supply chamber containing a liquid held at a positive pressure. First and second nozzles are in fluid communication with the liquid supply chamber and...
7737807 Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators  
Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an...
7732985 Micro stage using piezoelectric element  
Provided is a micro stage comprising: a body having a vertically perforated through-hole passing through a central portion thereof; a bobbin including a tip portion with an electron emission tip...
7703698 Ultrasonic liquid treatment chamber and continuous flow mixing system  
An ultrasonic liquid treatment chamber has an elongate housing through which liquid flows longitudinally from an inlet port to an outlet port thereof. An elongate ultrasonic waveguide assembly...
7701117 Acoustic resonator and filter  
A first supporting section provided between a substrate section and a second supporting section. The first supporting section is structured by, e.g., a film formed from a material having a higher...
7675390 Acoustic galvanic isolator incorporating single decoupled stacked bulk acoustic resonator  
Embodiments of the acoustic galvanic isolator comprise a carrier signal source, a modulator connected to receive an information signal and the carrier signal, a demodulator, and an...
7612486 Ultrasonic probe, backing material for ultrasonic probe, and method of manufacturing the same  
A backing material that is advantageous in insulation property and can realize a desired acoustic impedance without making the cross-linking and curing reaction of elastomer or resin as a parent...
7609133 Piezoelectric thin film device having an additional film outside an excitation region  
An object of the present invention is to provide a piezoelectric thin film device including a single or a plurality of film bulk acoustic resonators wherein a frequency impedance characteristic is...