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WO/2015/037712A1 |
[Problem] To provide a compact sound generator that can generate good quality sound, and an electronic device using the sound generator. [Solution] This sound generator (30) comprises a piezoelectric element (1), a vibrating body (3a), a...
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WO/2015/033548A1 |
An electronic device (1) comprises a panel (10), a casing (60) that holds the panel (10), and a piezoelectric element unit (30) attached to the panel (10), wherein: the panel (10) is bent by the piezoelectric element unit (30) in such a ...
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WO/2015/033346A1 |
A microelectromechanical apparatus for generating a physical effect, including an array of moving elements, each coupled to a mechanical support by at least one flexure which is associated with at least one piezoelectric member which is ...
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WO/2015/032855A1 |
The invention relates to a digital acoustic device comprising at least one diaphragm (2) suspended facing a support (4) and at least one actuator (6, 10) associated with said diaphragm, said associated actuator (6, 10) being intended to ...
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WO/2015/030049A1 |
An electronic device is provided with: a housing which is exposed to the outside; a piezoelectric vibration element which is located inside the housing; a vibration part which has the piezoelectric vibration element on the principal surf...
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WO/2015/029384A1 |
This audio device is provided with a housing (20), a piezoelectric vibration unit (60) which has a piezoelectric element arranged in the housing (20), and a communication unit for receiving an audio signal. In a state in which the load o...
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WO/2015/017979A1 |
The present invention relates to an anti-impact silicon based MEMS microphone, a system and a package with the same, the microphone comprises: a silicon substrate provided with a back hole therein; a compliant diaphragm supported on the ...
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WO/2015/014155A1 |
A piezoelectric bone conduction receiver and a portable electronic device. The piezoelectric bone conduction receiver comprises: a piezoelectric bone conduction receiver driving unit serving as an acoustic vibration element and a piezoel...
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WO/2015/012062A1 |
In the present invention, a cover member is provided on a surface of an electronic apparatus, and a display surface of a display unit is covered with the cover member. A piezoelectric vibration element is provided on an inner main surfac...
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WO/2015/011969A1 |
This ultrasonic transducer includes: a plurality of piezoelectric elements; an electrode formed on the surface of each of the piezoelectric elements; a conductive wire, the tip of which being in contact with the electrode; and an electro...
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WO/2015/011956A1 |
Provided is an ultrasonic generation element that is small in size and resists cracks and the like. An ultrasonic generation element (11) for generating ultrasonic by use of a buckling tuning-fork oscillation mode in which a first oscill...
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WO/2015/012420A1 |
The present invention relates to an ultrasonic probe provided in an ultrasonic diagnosis apparatus, etc. for acquiring image information from the inside of a test object by using ultrasonic waves. The ultrasonic probe comprises: a housin...
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WO/2015/008794A1 |
Provided is a piezoelectric sound element which can easily distribute resonance while maintaining a certain degree of sound pressure. This piezoelectric sound element is provided with a vibration plate (7), and a piezoelectric element (1...
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WO/2015/008601A1 |
This electronic apparatus is provided with a display unit, a cover member, a piezoelectric oscillation element, and a control unit. The cover member is provided on a surface of the electronic apparatus, and covers a display surface of th...
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WO/2015/005193A1 |
This method for manufacturing a diaphragm-type resonant MEMS device comprises: a lamination step wherein a first silicon oxide film that is formed by thermal oxidation or a process comprising a heat treatment at 900°C or more, a second ...
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WO/2015/001822A1 |
This ultrasonic vibration device is provided with: a laminated vibrator (41), which has a plurality of piezoelectric bodies (61) and a plurality of electrode plates (62, 63) laminated therein, and which has a polygonal columnar outer sha...
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WO/2015/002731A1 |
An apparatus includes a moving mass transducer. The moving mass transducer generates sound by displacement of a surface defined by a piezoelectric element. The piezoelectric element is displaced in response to an interaction of a first s...
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WO/2015/003017A1 |
An apparatus includes a housing and a piezoelectric element coupled to the housing. The apparatus also includes an electromagnetic element coupled to the housing. The piezoelectric element is configured to convert first signals within a ...
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WO/2014/210063A1 |
An ultrasound transducer and a method of making this transducer, where the transducer includes at least two piezoelectric elements, oriented adjacent to each other in a stack. Each piezoelectric element includes a first surface which inc...
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WO/2014/207820A1 |
The electronic device according to an embodiment is provided with a body having an audio signal processing unit that includes an audio output terminal and an audio input terminal, with a band capable of attaching the body to a human body...
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WO/2014/208534A1 |
This electronic instrument is provided with a cover panel, a piezoelectric vibration element provided on the reverse side of an exposed surface of the cover panel, and a drive unit for causing the piezoelectric vibration element to vibra...
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WO/2014/202333A1 |
The present invention discloses a surroundings-sensing system having an ultrasonic transducer that has at least one transducer element and at least one resonance body, and having a membrane for sound transmission, the surroundings-sensin...
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WO/2014/202335A1 |
The aim of the invention is that of devising an electroacoustic transducer (1) that combines the properties and advantages of the known concepts of the thickness vibrator and the bending transducer. To this end, according to the inventio...
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WO/2014/202331A1 |
The present invention discloses a surroundings-sensing system having an ultrasonic transducer that has at least one transducer element and at least one resonance body, and having a membrane for sound transmission, the surroundings-sensin...
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WO/2014/202249A1 |
The invention relates to an ultrasound transducer assembly (18), comprising at least one transducer element (23), a membrane (22), and at least one resonance body (20), wherein the ultrasound transducer assembly (18) is designed to trans...
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WO/2014/199612A1 |
An audio device that causes a user to hear sound, and is equipped with: an oscillation part (10), which has a piezoelectric element (101) that bends and a panel (102) that is directly bent by the piezoelectric element (101) and oscillate...
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WO/2014/192778A1 |
Provided is an acoustic device which allows perception of bright, penetrating sound, and a use method thereof. This acoustic device (1), which brings a vibrating body (10a) into contact with the pinna of the human ear to transmit sound t...
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WO/2014/192301A1 |
A unit provided with a panel (10), a piezoelectric element (30) fitted to the panel (10), and a substrate (25) fitted to the principle surface of the piezoelectric element (30), the unit being designed to convey a sound as a contact port...
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WO/2014/185559A1 |
The present invention relates specifically to a method for manufacturing a transducer and a transducer manufactured using the method, wherein the manufacturing method performs dicing and enables stacking while a piezoelectric material is...
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WO/2014/184994A1 |
An audio output device comprises an oscillation plate which has a prescribed face and wherein the prescribed face is located on the rear face side of a light provision unit, and a shaker which provides an oscillation in a direction which...
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WO/2014/185565A1 |
Provided are a method for manufacturing a transducer and a transducer manufactured by the method. The method for manufacturing a transducer comprises the steps of: stacking a first electrode unit on the upper surface of a backing materia...
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WO/2014/185560A1 |
A transducer having a front-end processor, an image diagnosis device and a method for processing a signal thereof are disclosed. The transducer, according to one embodiment of the present invention, comprises: an array element grouped as...
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WO/2014/185557A1 |
The present invention relates to an ultrasonic transducer provided to ultrasonic diagnostic equipment or the like for obtaining image information on the inside of an object being inspected, and a manufacturing method therefor. The ultras...
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WO/2014/178459A1 |
An embodiment of the present invention provides a method for manufacturing a transducer, comprising: a lamination step for making a laminate by laminating a piezoelectric body and an acoustic matching layer on a substrate; a dicing step ...
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WO/2014/178456A1 |
Disclosed is a vehicle siren which can prevent introduction of water, can maintain elasticity of a vibration plate, thereby improving durability, and does not require installation of a separate waterproofing sealing or a separate elastic...
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WO/2014/174731A1 |
Provided is an ultrasound generation device that is resistant to piezoelectric-body breakage even if used in a high-temperature environment with a temperature of 35°C or greater. An ultrasound generation device (1) provided with the fol...
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WO/2014/175464A1 |
Provided is an acoustic apparatus that can suppress a loss in comfort and sense of sound volume. The present invention is provided with a curved piezoelectric element (101) and a panel (102) that is directly bent and vibrated by the piez...
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WO/2014/174850A1 |
Provided is an acoustic device whereby muffling can be reduced. Said acoustic device is provided with a retaining part (103), one end of which abuts against the inside of the inferior crus of the antihelix and the other end of which abut...
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WO/2014/174835A1 |
The prevent invention provides an electronic device of a type which causes a member having a piezoelectric element mounted thereto to vibrate by means of the piezoelectric element to generate a vibration sound, and which operates excelle...
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WO/2014/174729A1 |
An objective of the present invention is to obtain an ultrasound emission device which is not prone to declining durability. Provided is an ultrasound emission device (1), comprising: an ultrasound emission element (6) which has an inter...
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WO/2014/175466A1 |
Provided is an acoustic reproduction apparatus that can suppress a loss in comfort and sense of sound volume. The present invention is characterized by causing a user to hear sounds and by being provided with: a vibrating unit (10) provi...
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WO/2014/174730A1 |
Provided is an ultrasound generation device that is capable of outputting ultrasound having a high acoustic pressure over a wide frequency band, with the acoustic-pressure and phase frequency characteristics thereof being flat over a wid...
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WO/2014/174849A1 |
This acoustic device has a retaining part (60), one end of which abuts against the inside of the inferior crus of the antihelix and the other end of which abuts against the depression between the tragus and the antitragus of the user's e...
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WO/2014/171219A1 |
The present invention provides an ultrasonic transducer capable of expanding a frequency bandwidth in which impedance matching can be performed. Specifically, this ultrasonic transducer (100) is provided with a piezoelectric element (1) ...
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WO/2014/169861A1 |
A piezoelectric loudspeaker driving device comprises a driving amplification unit, a signal tuning unit and a piezoelectric loudspeaker, wherein the driving amplification unit is configured to amplify a signal source and output an amplif...
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WO/2014/171158A1 |
An ultrasonic sensor equipped with: a damper (40) provided with a first recess (43) and second recesses (44A, 44B); an internal wiring member (50) having one end connected to a piezoelectric element and the other end (52) positioned insi...
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WO/2014/166990A1 |
The present invention concerns a device and a method to make a non-communicating object communicating. The device comprises a processing module that offers a user interface capable of detecting an event on an area of the user interface, ...
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WO/2014/164018A1 |
Examples of portable electronic devices including a piezo actuated vibrator for providing tactile feedback to the user are described. Portable electronic devices according to the present disclosure may include tactile feedback devices, w...
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WO/2014/162976A1 |
Provided is an electroacoustic transduction film that is suitable for speakers having flexibility or the like and that can stably exhibit a predetermined acoustic characteristic regardless of the status of curvature. This problem is solv...
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WO/2014/163261A1 |
A piezoelectric speaker according to the present invention comprises: a piezoelectric layer; a piezoelectric element having electrodes formed on both sides of the piezoelectric layer; and a vibration member that is attached to a side of ...
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