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9038774 |
Thermal-acoustic sections for an aircraft
Embodiments of thermal-acoustic sections for an aircraft for reducing noise along an acoustic path produced from an acoustic source are provided herein. The thermal-acoustic section comprises a... |
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9018786 |
Water current power generating device
A water current power generating device for generating electric power from water current power includes a sway vibrating body which bends in a response to a fluid force exerted on a circumference... |
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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... |
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8981622 |
Ultrasonic sensor device
An ultrasonic sensor device includes a housing, a transducer, a securing unit and a circuit board. The housing has an enclosing portion formed with first and second openings. The transducer is... |
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8970090 |
Ultrasonic sensor
An ultrasonic sensor is disclosed. The ultrasonic sensor includes a piezoelectric element and an acoustic matching member. The piezoelectric element is configured to detect ultrasonic wave... |
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8860553 |
Self-powered, piezo-surface acoustic wave apparatus and method
An autonomous, self-powered device includes a radioisotope-powered current impulse generator including a spring assembly comprising a cantilever, and a piezoelectric-surface acoustic wave (P-SAW)... |
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8836203 |
Signal return for ultrasonic transducers
A transducer useful for medical imaging ultrasonic transducers comprises a front impedance matching layer, a piezoelectric array, and a rear layer. The front impedance matching layer may include a... |
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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... |
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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... |
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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... |
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8656578 |
Method for manufacturing an ultrasound imaging transducer assembly
An ultrasound transducer includes an array of PZT elements mounted on a non-recessed distal surface of a backing block. Between each element and the backing block is a conductive region formed as... |
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8570837 |
Multilayer backing absorber for ultrasonic transducer
A multilayer backing absorber for use with an ultrasonic transducer comprises an elemental multilayer having at least one metal layer and at least one adhesive layer, wherein the backing absorber... |
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8552861 |
Biodegradable smart sensor for mesh network applications
Embodiments of the present invention provide a method, system and computer program product for a biodegradable sensor device for mesh networking applications. In an embodiment of the invention, a... |
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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... |
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8492954 |
Ultrasonic sensor
Disclosed herein is an ultrasonic sensor including: an epoxy molding part: a piezoelectric ceramic stacked on an upper portion of the epoxy molding part; a sound absorbing material contacting... |
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8487511 |
Protected resonator
A bulk acoustic wave resonator structure that isolates the core resonator from both environmental effects and aging effects. The structure has a piezoelectric layer at least partially disposed... |
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8413762 |
Thermal-acoustic sections for an aircraft
Embodiments of thermal-acoustic sections for an aircraft for reducing noise along an acoustic path produced from an acoustic source are provided herein. The thermal-acoustic section comprises a... |
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8410664 |
Method for changing ultrasound wave frequency by using the acoustic matching layer
The method of changing ultrasound wave frequency by using the acoustic matching layer presents a replaceable acoustic matching layer to offer an effective means of filtering the original broadband... |
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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... |
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8354773 |
Composite acoustic absorber for ultrasound transducer backing material
A backing block composite is provided. A transducer is manufactured to include the backing block of composite material. One constituent material provides a skeleton or matrix for enclosing volumes... |
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8347483 |
Method for manufacturing an ultrasound imaging transducer assembly
An ultrasound transducer includes an array of PZT elements mounted on a non-recessed distal surface of a backing block. Between each element and the backing block is a conductive region formed as... |
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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... |
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8317302 |
Restriction of fluid ejector membrane
A fluid ejection module includes a die having a plurality of substantially identical fluid ejector units formed therein. Each fluid ejector unit includes a flow path formed therethrough, the flow... |
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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... |
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8286351 |
Manufacturing method of liquid discharge head
There is disclosed a manufacturing method of a liquid discharge head including a substrate in which a first energy generating element and a second energy generating element that generate energy... |
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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... |
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8182428 |
Dual frequency band ultrasound transducer arrays
An acoustic probe transmits/receives acoustic pulses with frequencies both in a high frequency (HF), and a selectable amount of lower frequency (LF1, LF2, . . . , LFn, . . . ) bands. The radiation... |
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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... |
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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... |
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8084923 |
Diagnostic ultrasound transducer
An ultrasound transducer includes an array of PZT elements mounted on a non-recessed distal surface of a backing block. Between each element and the backing block is a conductive region formed as... |
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8082641 |
Method of manufacturing a ductile polymer-piezoelectric material composite
Provided are free-standing ductile composites and methods of making free-standing ductile composites. The method of making a free-standing ductile composite can include providing a substrate and... |
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7994689 |
Ultrasonic transducer, ultrasonic transducer array and ultrasound endoscope apparatus
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising... |
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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... |
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7913929 |
Modular outward opening piezo direct fuel injector
A module, direct fuel injector (10) includes a fuel side sub-assembly (78) having valve body structure (12, 14) defining a main flow passage (16) there-through, an outlet opening (26) and a... |
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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... |
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7880368 |
Ultrasonic transducer, ultrasonic transducer array and ultrasound endoscope apparatus
An ultrasonic transducer arraying at even intervals ultrasonic transducers for transmitting and receiving ultrasonic waves and layering a plurality of acoustic matching layers on them, comprising... |
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7808156 |
Ultrasonic matching layer and transducer
In one aspect, matching layers for an ultrasonic transducer stack having a matching layer comprising a matrix material loaded with a plurality of micron-sized and nano-sized particles. In another... |
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7755255 |
Ultrasonic probe
A technique that can make a heat radiation effect higher and makes even a transmission voltage of an ultrasonic diagnostic apparatus higher and then makes a diagnostic depth deeper is disclosed.... |
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7727156 |
Dual frequency band ultrasound transducer arrays
Ultrasound probes that transmits/receives ultrasound pulses with frequencies both in a low frequency (LF) and a high frequency (HF) band, where the radiation surfaces of said HF and LF bands at... |
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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... |
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7705519 |
Acoustic backing composition, ultrasonic probe and ultrasonic diagnostic apparatus
Disclosed is an acoustic backing composition comprising an ethylene-vinyl acetate copolymer containing 20 to 80% by weight of the vinyl acetate units and a filler contained in the ethylene-vinyl... |
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7677104 |
Acoustic transducer system for nondestructive testing of cement
An acoustic transducer system for use in the measurement of longitudinal sound velocity in a cement sample that is maintained at high temperature and pressure. The acoustic assembly is separate... |
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7650066 |
Driving mechanism, photographic mechanism and cellular phone
A driving mechanism comprises: (i) an actuator comprising: an electro-mechanical conversion element; a driving member which is connected to one end of the electro-mechanical conversion element and... |
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7622849 |
Ultrasonic sensor having vibrator mounted on substrate
An ultrasonic sensor composed of a substrate and a piezoelectric vibrator mounted on the substrate is advantageously used as a sensor for detecting a distance to an object located in front of an... |
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7550900 |
Acoustic resonator device
Acoustic resonator device (1) includes an active element (6) and a support provided with a membrane (5). The active element (6) is provided with at least one piezoelectric layer (10) and is... |
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7545082 |
Ultrasonic sensor device and ultrasonic transducer
An ultrasonic sensor device includes an ultrasonic transducer and a hollow case. The ultrasonic transducer includes a tubular housing having a bottom, a piezoelectric element and a vibrating... |
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7439656 |
Method for designing ultrasonic transducers with acoustically active integrated electronics
Ultrasonic transducer including a multi-layer transformer arranged between a backing block and piezoelectric layer on each of which at least one matching layer is arranged. The transformer... |
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7432638 |
Acoustic backing composition, ultrasonic probe and ultrasonic diagnostic apparatus
Disclosed is an acoustic backing composition comprising an ethylene-vinyl acetate copolymer containing 20 to 80% by weight of the vinyl acetate units and a filler contained in the ethylene-vinyl... |
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7425787 |
Acoustic galvanic isolator incorporating single insulated decoupled stacked bulk acoustic resonator with acoustically-resonant electrical insulator
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... |
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7400079 |
Ultrasonic probe
An ultrasonic probe includes an ultrasonic transducer which is formed by sequentially laminating an acoustic lens, an acoustic matching layer, a piezoelectric element, and a backing member. The... |