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WO/2014/162409A1 |
An earphone device having a baffle plate housed inside a housing and having a piezoelectric element connected to the baffle plate. The baffle plate is fixed to the housing either directly or via another element. The piezoelectric element...
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WO/2014/157684A1 |
This speaker system is provided with: an electroacoustic conversion film having a polymer composite piezoelectric body, which results from dispersing piezoelectric body particles in a viscoelastic matrix comprising a polymer material hav...
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WO/2014/160757A2 |
The disclosure provides a device having first and second electroactive polymer actuators, each one of the electroactive polymer actuators comprising an electroactive polymer film, a pair of opposing compliant electrodes, and at least one...
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WO/2014/157702A1 |
The problem addressed by the present invention is to provide a polymer composite piezoelectric body resulting from dispersing piezoelectric body particles in a polymer matrix, wherein the polymer composite piezoelectric body has high pie...
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WO/2014/156976A1 |
A unimorph ultrasonic transducer has a plurality of piezoelectric element regions that each extend in the short axis direction and are arrayed at a specific array pitch in the long axis direction. A plurality of minute piezoelectric elem...
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WO/2014/157907A1 |
The present invention provides an ultrasonic sensor having a piezoelectric vibrator formed from lithium niobate (LN) single crystals, enabling ultrasonic waves to be generated at high output so as to be used in a high temperature region,...
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WO/2014/157006A1 |
Provided is an electroacoustic conversion film having a thin film electrode at both surfaces of a polymer composite piezoelectric body resulting from dispersing piezoelectric body particles in a viscoelastic matrix comprising a polymer m...
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WO/2014/157351A1 |
Provided is an electroacoustic conversion film having: a polymer composite piezoelectric body resulting from dispersing piezoelectric body particles in a viscoelastic matrix comprising a polymer material having viscoelasticity at room te...
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WO/2014/157050A1 |
The piezoelectric vibrator of the present embodiment is provided with a polarized single-crystal piezoelectric material, a first electrode, and a second electrode. The polarized single-crystal piezoelectric material is configured from a ...
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WO/2014/148426A1 |
An ultrasonic probe provided with an ultrasonic transducer array, and a laminate for drawing out an electrical wire from each electrode, wherein the ultrasonic transducers are classified into at least a first group and a second group, an...
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WO/2014/148659A1 |
The present embodiment relates to an ultrasonic transducer, comprising: a housing; a first oscillator element assembly arranged in the housing so as to transmit ultrasonic waves to an examination subject and receive echo signals; a secon...
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WO/2014/147625A1 |
A transducer system including a panel having one or more piezo-electric enabled foils and an arrangement of electric contacts coupled to the panel and configured to define a plurality of transducers thereon. Each transducer is associated...
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WO/2014/142129A1 |
Provided is a piezoelectric vibration-generating device, which is capable of generating large vibrations even when made smaller and which is also long-lived. Between each of the two ends of a vibrating plate (9) that are welded to a pede...
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WO/2014/133211A1 |
According to one embodiment of the present invention, an ultrasonic transducer comprises: a piezoelectric layer for generating ultrasonic waves by using power provided from the outside; a ground electrode adhered to one surface of the pi...
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WO/2014/132639A1 |
In the present invention, an electronic instrument is provided with the following: a vibration section for generating a vibration sound that is transmitted by vibrating a portion of the human body that is touched or pressed; and a plural...
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WO/2014/132492A1 |
This ultrasonic sensor is provided with: a bottomed cylindrical case (51) having an opening, a bottom portion, and a side wall portion; a piezoelectric element (52), bonded to the inner surface of a bottom portion (51b) of the case (51);...
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WO/2014/119695A1 |
The purpose of the present invention is to provide a piezoelectric vibrating body that is capable of instantaneously generating vibrations for causing what is referred to as a haptic sensation by effectively generating sound waves when a...
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WO/2014/118729A1 |
A device, a large aperture hydrophone and its construction for measurement, prediction and characterisation of propagating acoustic fields is disclosed. The device is uniformly sensitive over its aperture and integrates the acoustic fiel...
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WO/2014/112498A1 |
An acoustic wave probe having: a backing material (1); a plurality of inorganic piezoelectric elements (2) arranged upon the surface of the backing material (1); an acoustic matching layer (9) arranged upon the plurality of inorganic pie...
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WO/2014/106172A1 |
The present disclosure involves a method and apparatus for attaching two electrical dies by wire bonding and then encasing the assembly in a protective casting that works by arranging two dies into a fixture conducive to wire bonding. Do...
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WO/2014/103593A1 |
A unimorph type ultrasound probe comprises: a substrate whereupon a plurality of apertures are formed, each aperture having a prescribed shape; a plurality of diaphragms which are formed on the substrate such that each closes one end of ...
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WO/2014/105442A1 |
The present disclosure provides a transducer assembly. The transducer assembly includes a flex circuit. The transducer assembly also includes a first substrate that includes a piezoelectric micro-machined ultrasonic transducer (PMUT). Th...
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WO/2014/104018A1 |
[Problem] To obtain excellent sound qualities having less noise. [Solution] According to an embodiment of the present invention, a sound generator is provided with at least an exciter, a diaphragm, and a first damping material. The excit...
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WO/2014/105833A1 |
The present disclosure provides a method of fabricating an ultrasound transducer. A substrate having a first side and a second side opposite the first side is provided. A bottom electrode is formed over the first side of the substrate. A...
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WO/2014/105835A1 |
The present disclosure provides a method of singulating a plurality of miniature ultrasound transducers from a wafer. The method includes receiving a wafer on which a plurality of miniature ultrasound transducers is formed. The miniature...
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WO/2014/103424A1 |
[Problem] To provide a sound generator capable of producing frequency properties of a favorable sound pressure, a sound generation device, and an electronic device. [Solution] A sound generator according to an embodiment has at least an ...
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WO/2014/103970A1 |
[Problem] To provide a sound generator that is capable of generating sound having excellent sound qualities, and a sound generating apparatus and an electronic apparatus using the sound generator. [Solution] Provided is a sound generator...
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WO/2014/103454A1 |
[Problem] To provide a sound emitter and an electronic apparatus employing same, whereby it is possible to emit a sound having a high sound pressure in a wide frequency region. [Solution] Provided are a sound emitter and an electronic ap...
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WO/2014/103427A1 |
[Problem] To obtain excellent sound-pressure frequency characteristics. [Solution] According to an embodiment of the present invention, a sound generator is provided with an exciter, a diaphragm, and a supporting body. The exciter vibrat...
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WO/2014/103951A1 |
[Problem] To provide a sound generator capable of producing frequency properties of a favorable sound pressure, a sound generation device, and an electronic device. [Solution] A sound generator according to an embodiment has at least an ...
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WO/2014/097668A1 |
In order to obtain an excellent frequency response to sound pressure, an ac oustic generator pertaining to an embodiment of the present invention is pr ovided with an exciter, a vibrator, a frame, and a lead wire. The exciter vibrates up...
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WO/2014/098077A1 |
[Problem] To provide: a piezoelectric actuator having reduced noise caused by the vibration of a piezoelectric element; a piezoelectric vibration device; and a mobile terminal. [Solution] This piezoelectric actuator (1) has: a piezoelect...
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WO/2014/097862A1 |
[Problem] To obtain satisfactory sound pressure frequency characteristics. [Solution] This acoustic generator is provided with an exciter, a flat vibrating body, and a printed substrate. The exciter vibrates upon having an electrical sig...
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WO/2014/097863A1 |
[Problem] To obtain excellent acoustic pressure frequency characteristics. [Solution] This acoustic generator is provided with a frame body (10), a diaphragm (20) fixed to the frame body (10), and a piezoelectric vibration element (30) a...
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WO/2014/099611A1 |
The present disclosure involves a method of fabricating an ultrasound transducer. A piezoelectric polymer is mixed into a solution containing a first chemical and a second chemical to form a viscous film. In some embodiments, the first c...
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WO/2014/100690A1 |
An ultrasound transducer for use in intravascular ultrasound (IVUS) imaging systems including a single crystal composite (SCC) layer is provided. The transducer has a front electrode on a side of the SCC layer; and a back electrode on th...
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WO/2014/091813A1 |
[Problem] To obtain a favorable frequency characteristic of acoustic pressure. [Solution] An acoustic generator pertaining to an embodiment of the present invention is provided with an exciter, a flat vibrating body, and a damping materi...
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WO/2014/091834A1 |
[Problem] To obtain frequency characteristics having favorable sound pressure. [Solution] This embodiment of an acoustic generator is provided with an exciter, an oscillating body, and a support body. The exciter receives the input of an...
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WO/2014/091833A1 |
[Problem] To obtain frequency characteristics at a favorable sound pressure. [Solution] This embodiment of an acoustic generator is provided with an oscillating body, an exciter, and a damping material. The exciter is provided on the osc...
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WO/2014/091785A1 |
The present invention addresses the problem of obtaining good sound-pressure frequency characteristics. In order to solve said problem, an audio generator in an embodiment has, at least, an exciter, a flat vibrator, a resin layer, and a ...
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WO/2014/092037A1 |
A planar speaker (10) is provided with a piezoelectric film (20), an exciter film (30), a diaphragm (40), and a frame (300) that each have a planar shape. The frame (300) is arranged between the exciter film (30) and the diaphragm (40). ...
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WO/2014/091970A1 |
Provided is a connection structure for a semiconductor device, the structure enabling adhesive strength to be increased by means of a simple method without impacting on the properties of a semiconductor element. The connection structure ...
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WO/2014/087961A1 |
The present invention contributes to emission of sound waves in a wide frequency band and suppression of a decrease in the directionality of the emitted sound waves. The electroacoustic transducer according to the present invention has l...
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WO/2014/087914A1 |
Provided is a molding method which is capable of molding a piezoelectric polymer into polymer piezoelectric materials having various shapes. Also provided are: a vibration generator which uses a polymer piezoelectric material; and a spea...
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WO/2014/083998A1 |
[Problem] To provide a piezoelectric actuator wherein noise due to vibration of a piezoelectric element is reduced, a piezoelectric vibration device, and a portable terminal. [Solution] A piezoelectric actuator (1) of the present inventi...
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WO/2014/082777A1 |
The invention relates to a transducer (1) having at least one electrode of a first type (2), at least one electrode of a second type (3) and at least one ferroelectret (6). The transducer (1) additionally has at least one electret (4), w...
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WO/2014/083902A1 |
[Problem] To provide an acoustic generator capable of generating sound of better sound quality, and an electronic apparatus in which same is used. [Solution] The acoustic generator has at least: an oscillation unit (10) which includes an...
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WO/2014/081868A1 |
A localized multimodal haptic system includes one or more electromechanical polymer (EMP) transducers, each including an EMP layer, such as an electrostrictive polymer active layer. In some applications the EMP transducer may perform an ...
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WO/2014/076973A1 |
In the present invention, an ultrasonic probe that can be connected to an ultrasonic diagnostic device main body is provided with an element unit for mutually converting electrical signals and ultrasonic waves to each other, an electrica...
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WO/2014/076908A1 |
An ultrasonic sensor comprises a wave transceiver and a cover. The wave transceiver has a wave transceiver face on the front and sends and receives ultrasonic waves through the wave transceiver face. The cover covers the wave transceiver...
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