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WO/2013/032821A1 |
This disclosure provides systems, methods and apparatus for sense elements in an electromechanical microphone device. In one aspect, a piezoelectric sense element may include a glass substrate, electrode layers, piezoelectric layers, and...
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WO/2013/031312A1 |
This ultrasonic vibrator comprises: a substrate having a flat surface; a projecting-and-recessed part comprising a plurality of projections provided so as to project from said surface and/or a plurality of recesses provided so as to be r...
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WO/2013/033066A1 |
The present invention is directed to an ultrasound device for use in implementing therapeutic treatments and transdermal analyte delivery. The device includes a piezoelectric transducer that efficiently and safely converts electrical ene...
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WO/2013/031580A1 |
Provided are an ultrasonic probe and ultrasonic diagnostic apparatus in which the surface temperature of the ultrasonic probe can be kept in a safe range without a reduction in performance. An ultrasonic probe of an embodiment comprises ...
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WO/2013/031715A1 |
Provided is a layered piezoelectric element capable of reducing the electrostatic capacity at which a circuit is loaded, and capable of increasing the amount of amplitude per electrostatic capacity. A layered piezoelectric element (5) is...
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WO/2013/032820A1 |
This disclosure provides systems, methods and apparatus for glass-encapsulated microphones. In one aspect, a glass-encapsulated microphone may include a glass substrate, an electromechanical microphone device, an integrated circuit devic...
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WO/2013/027614A1 |
A method of manufacturing an ultrasonic wave-generating device comprises: calculating performance values of each of a plurality of existing piezoelectric elements, said values being based on a first electromechanical coupling coefficient...
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WO/2013/022287A2 |
A sound conversion device comprises: a piezoelectric driving body; a conductive vibration plate, which is physically coupled to the piezoelectric driving body; a first housing comprising a first support protrusion for supporting one surf...
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WO/2013/021597A1 |
Provided are an ultrasound probe, which eliminates disconnection in a flexible substrate, and is capable of performing excellent signal transmission, and a flexible substrate used in the ultrasound probe. With the technologies of the pre...
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WO/2013/021906A1 |
Provided is a piezoelectric sound element capable of flattening a sound pressure frequency property and reducing variation in the sound pressure frequency property, compared to the prior art. A diaphragm (13) is formed into a disc shape ...
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WO/2013/022286A2 |
A device for converting sound comprises: a main piezoelectric driving body; a vibration plate which is physically coupled to the main piezoelectric driving body; a support portion for supporting the main piezoelectric driving body and/or...
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WO/2013/018905A1 |
With ultrasound probes (1, 3) of an embodiment, first ultrasound transducer arrays (13a, 311) scan a first scan face. Second ultrasound transducer arrays (13b, 321) are disposed to latch with the first ultrasound transducer arrays (13a, ...
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WO/2013/019893A1 |
A detachable adjustable electronics module may be removably or permanently connected to eyewear. The module may include electronics for processing audio and/or video input and/or output signals. The module may be provided with an adjusta...
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WO/2013/018579A1 |
The objective of the present invention is to provide an ultrasound transducer with superior temperature-sound pressure properties. This ultrasound transducer (100) is an ultrasound transducer which is provided with an ultrasound generati...
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WO/2013/015107A1 |
A piezoelectric excitor provided with a cantilevered beam, wherein a desired vibration characteristic can be ensured without abnormalities arising when used while attached to an excitation panel. A base plate (40) is fixed to a beam supp...
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WO/2013/008418A1 |
This lead-free piezoelectric ceramic composition is mainly composed of a first crystal phase (KNN phase) and a second crystal phase (NTK phase). The first crystal phase (KNN phase) is composed of a plurality of crystal grains that are fo...
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WO/2013/008470A1 |
Provided are an acoustic matching body with stable density, a high-sensitivity ultrasonic transducer, and an ultrasonic flowmeter whereby a stable and high-accuracy flow measurement can be achieved. An acoustic matching body (19) is comp...
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WO/2013/002384A1 |
[Problem] To provide an acoustic generator for which peaks and dips in frequency characteristics of sound pressure are minimized, as well as an acoustic generation device using the same. [Solution] This invention is an acoustic generator...
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WO/2013/002042A1 |
Provided is a piezoelectric vibration element that can obtain a vibration that is larger than conventional vibrations. A pair of extensions to which piezoelectric elements are not joined are formed at both ends in the lengthwise directio...
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WO/2012/172775A1 |
An ultrasonic sensor device having a circuit board (31), a piezoelectric vibrator (33), and a variable-gain means (70, 71, 110, 200, 210, 220, 230, 240, 250, 260). The piezoelectric vibrator (33) has a pair of detection electrodes (35, 3...
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WO/2012/172136A1 |
The invention relates to a torsion wave transducer having a novel configuration that allows the emission and reception of torsion waves, while almost completely preventing the emission of spurious compression waves that contaminate the s...
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WO/2012/172733A1 |
A method for producing a porous silica body disclosed in the present invention comprises: a step of preparing a starting material solution which contains a solvent and a silicon alkoxide that contains diisobutyl dimethoxysilane and tetra...
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WO/2012/169568A1 |
Provided is an ultrasound probe with which it is possible to avoid resolution degradation in an ultrasound image, and furthermore, to highly reliably withdraw an ultrasound oscillator electrode. The ultrasound probe comprises an ultrasou...
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WO/2012/164879A1 |
An ultrasonic transducer (5), wherein there are provided a piezoelectric-element-supporting plate (11), an acoustic-matching body (10) fixed to one surface of the piezoelectric-element-supporting plate (11), and a piezoelectric element (...
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WO/2012/164890A1 |
An ultrasonic transmitter/receiver (50) is provided with: a metal plate (16); an acoustic matching body (15); a piezoelectric body (17); a first lead line (18a); a second lead line (18b); and a vibration suppressing member (11), which co...
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WO/2012/165573A1 |
Provided is an ultrasound probe which is inexpensive and is weighted in a highly reliable manner. In one embodiment, an ultrasound probe has a piezoelectric vibrator and a layer; the piezoelectric vibrator sends and receives ultrasonic w...
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WO/2012/157769A1 |
An objective of the present invention is to provide an ultrasound transducer and an ultrasound probe with which it is possible to ensure a connection path while avoiding complexity in the process of manufacturing a non-conductive audio c...
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WO/2012/157691A1 |
Piezoelectric films (20L, 20R) that expand and contract due to a noise emission drive signal applied thereto are disposed on a principal face of an exciter film (30). Frame members (50) are disposed at two opposite sides of the exciter f...
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WO/2012/144226A1 |
The purpose of the invention is to provide an ultrasound probe having an acoustic adjustment layer that can propagate ultrasonic waves efficiently to live bodies. An ultrasound probe (10), which is equipped with piezoelectric transducers...
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WO/2012/144117A1 |
An ultrasonic probe (102), which is able to acquire high-resolution ultrasonic diagnostic images and has a high ultrasonic propagation efficiency, wherein an ultrasonic transducer is provided with a piezoelectric body (208), which genera...
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WO/2012/139091A1 |
A system (10) having a print head (13) for depositing material on a piezoelectric array (20), where the print head (13) and the array (20) are moveable with respect to each other, and a computer (11) for controlling movement of print hea...
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WO/2012/131825A1 |
A piezoelectric element (20) is mounted to an oscillating member (10). A plurality of electrodes (22) are positioned on one surface of the piezoelectric element in two dimensions, separated from one another. A supporting frame (40) suppo...
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WO/2012/132262A1 |
An oscillator is provided with: a piezoelectric transducer (10); an oscillating member (20) that restrains the piezoelectric transducer (10) on one side thereof; an elastic member (40) which is one or the opposing other surface of the os...
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WO/2012/132261A1 |
An oscillator (100) is provided with: a piezoelectric element (70) having a plurality of protrusions (72) on a first surface thereof; a plurality of electrodes (80) provided separate from one another on the plurality of protrusions (72);...
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WO/2012/120009A1 |
The invention relates to a layer composite (2, 2.1, 2.2, 18), comprising at least two electroactive layers (4, 6) arranged between a first electrically conductive layer (12) and a second electrically conductive layer (14), wherein at lea...
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WO/2012/112540A2 |
An ultrasonic piezoelectric transducer device includes a transducer array consisting of an array of vibrating elements, and a base to which the array of vibrating elements in the transducer array are attached. The base include integrated...
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WO/2012/108448A1 |
A piezoelectric speaker (10) is constructed by arranging a first piezoelectric speaker (201) and a second piezoelectric speaker (202) on the opposite principal surfaces of a flat-plate-shaped base member (100). The first piezoelectric sp...
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WO/2012/108447A1 |
Provided is a planar transparent piezoelectric speaker in which electrode patterns have been made less visible. The piezoelectric speaker (10) is constructed by arranging a first piezoelectric speaker (201) and a second piezoelectric spe...
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WO/2012/102394A1 |
The objective of the present invention is to provide an ultrasonic transducer and ultrasonic probe that are able to secure an electrical conductive path while avoiding the complication of a step for producing a non-conductive acoustic ma...
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WO/2012/099573A1 |
A focused acoustic transducer suitable for use in a downhole environment is disclosed. At least some embodiments employ a disk of piezoelectric material with low planar coupling and low Poisson's ratio mounted on a backing material and s...
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WO/2012/096048A1 |
Provided is a piezoelectric vibration component with a large amount of displacement. A piezoelectric vibration component (1) is provided with a plate-shaped pedestal part (11) having first and second main surfaces (11a, 11b) and a piezoe...
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WO/2012/090944A1 |
Provided is a mobile telephone with a cartilage conduction section that comes into contact with ear cartilage and is provided at at least one of the two corner sections on the top side of the mobile telephone. Specifically provided is a ...
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WO/2012/090433A1 |
Provided is an electroacoustic transducer equipped with: an oscillating device (10) which outputs acoustic waves (30) from a first vibratile surface, and which outputs acoustic waves (32) of an opposite phase of the acoustic waves (30) f...
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WO/2012/090383A1 |
This vibration device (electroacoustic transducer (100)) is provided with a vibrating element (110) having: an oscillating member (120); and a piezoelectric element (111) attached to one of the surfaces of the oscillating member (120). T...
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WO/2012/090947A1 |
Provided is a transmitter/receiver unit with: a section for attachment to the ear, a cartilage conduction and vibration unit that comes in contact with ear cartilage when attached by the section for attachment to the ear; a transmission ...
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WO/2012/090382A1 |
This electronic apparatus (100) has: a first attachable/detachable speaker unit (120) having a first speaker having a relatively high directivity; and a second attachable/detachable speaker unit (130) having a second speaker having a rel...
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WO/2012/086125A1 |
An electroacoustic transducer (100), which is an oscillator device, has a flat piezoelectric film (120), which expands and contracts through the application of an electric field, arranged on at least one surface of a flat elastic member ...
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WO/2012/087074A1 |
An acoustic actuator according to an embodiment of the present invention comprises: an actuator element which generates sound corresponding to an applied electrical signal; a support member which supports the actuator element to form a m...
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WO/2012/086180A1 |
In an electroacoustic transducer (100), which is an oscillator device, the center positions of respective principal surfaces of piezoelectric elements (130) located on opposite surfaces of an elastic member (120) differ from one another....
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WO/2012/086124A1 |
Each piezoelectric vibrator (110) has an elastic member (112) and a piezoelectric element (111). The piezoelectric element (111) is attached to the elastic member (112). A support member (120) has an opening. A plurality of said piezoele...
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