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Matches 1 - 50 out of 19,478

Document Document Title
WO/2018/072926A1
The invention relates to a clamp-on ultrasonic sensor (10) for an ultrasonic flow rate measuring device and to an ultrasonic flow rate measuring device comprising at least one clamp-on ultrasonic sensor (10) according to the invention. T...  
WO/2018/070159A1
Provided are an ultrasonic probe having a highly-sensitive piezoelectric element and a method for manufacturing the ultrasonic probe. This ultrasonic probe is obtained by arranging a plurality of piezoelectric elements in an array-like m...  
WO/2018/070043A1
An ultrasonic transducer is provided with: a drive unit which generates ultrasonic vibration along a longitudinal axis; a base end-side block which is provided on a first end side of the drive unit in the longitudinal axis; and a leading...  
WO/2018/070044A1
This vibration transmission body in which longitudinal vibrations of ultrasonic vibrations produced in an ultrasonic vibrator are transmitted along a center axis, has outer diameters at positions continuously adjacent to a supported sect...  
WO/2018/069680A1
A film (1) comprising a piezoelectric polymer (2) has an upper surface and a lower surface. The film has an active region comprising the piezoelectric polymer (2), which extends from the upper surface of the film to the lower surface of ...  
WO/2018/067385A1
According to one aspect, there is provided an apparatus comprising a frame and a speaker rigidly attached to the frame, where the speaker comprises a display module and at least one vibrating deformable plate element attached to a bottom...  
WO/2018/061302A1
Provided is a piezoelectric sound generating component having excellent vibration characteristics. This piezoelectric sound generating component is provided with: a vibrating plate, which has a metal plate and a piezoelectric body formed...  
WO/2018/061198A1
An ultrasonic transducer comprises a drive unit attached to an outer periphery of a bolt in a state of being sandwiched between a front-end side block and a base-end side block with respect to a direction along a longitudinal axis. The d...  
WO/2018/061805A1
A piezoelectric type microphone is provided with: a plate (10a); a support portion (10b) disposed around the plate (10a); a link portion (10c) connecting the plate (10a) and the support portion (10b) via two or more sides of the plate (1...  
WO/2018/061320A1
Provided is a highly reliable piezoelectric sounding component. The present invention is provided with: a diaphragm which has a metal plate and a piezoelectric body formed on the metal plate, and which bends and vibrates when a voltage i...  
WO/2018/061319A1
Provided is a highly reliable piezoelectric sound generating component. This piezoelectric sound generating component is provided with: a vibrating plate, which has a metal plate and a piezoelectric body formed on the metal plate, and wh...  
WO/2018/061991A1
Provided are: a resin material for an acoustic wave probe, the resin material containing a polymer having (a) a structural unit having a specific polysiloxane bond and (b) at least one type of a structural unit having a specific partial ...  
WO/2018/061199A1
An ultrasonic transducer provided with a drive unit attached to the outer circumference of a bolt in a state of being sandwiched between a block on the front-end side and a block on the base-end side in a direction along the longitudinal...  
WO/2018/057202A1
Embodiments of the present disclosure provide techniques and configurations for an apparatus for audio signal emulation, based on a vibration signal generated in response to a user's voice. In some embodiments, the apparatus may include ...  
WO/2018/057372A1
An audio device is described which comprises a housing holding electronic components and having a face being substantially covered by a layer of transparent material. The audio device has a display comprising a layer of display material ...  
WO/2018/056174A1
A composition for an acoustic wave probe comprising a polysiloxane having a vinyl group and a phenyl group, a polysiloxane having two or more Si-H groups in the molecular chain thereof, titanium oxide particles, and silica particles, and...  
WO/2018/050712A1
The invention relates to a method for operating a piezoelectric MEMS sound transducer (4), in particular a MEMS loudspeaker and/or MEMS microphone operating in the audible wavelength spectrum and/or in the ultrasonic range, in which elec...  
WO/2018/050551A1
A MEMS microphone (100) includes a base structure (116) and a piezoelectric resonator body (120) having a first end and a second end. The first end is fixedly supported by the base structure (116) and the second end is free such that the...  
WO/2018/051865A1
Provided are an ultrasonic sensor head and an ultrasonic detector having the ultrasonic sensor head, which have a high detection sensitivity and few false detections of air bubbles. The present invention pertains to a pair of ultrasonic ...  
WO/2018/051802A1
Provided is a sound vibration generating device which has a simple construction and with which it is possible for a sound pressure frequency characteristic in a target frequency band to be matched to a requirement. A sound vibration gene...  
WO/2018/047585A1
The purpose of the present invention is to provide an array-type ultrasound probe as a device in which a plurality of piezoelectric elements are arranged in an array shape at prescribed intervals and which possesses a structure so as to ...  
WO/2018/049222A1
Flex circuits and methods for ultrasound transducers are provided herein. In at least one embodiment, an ultrasound device includes a plurality of transducer elements and a flex circuit. The flex circuit includes an insulating layer havi...  
WO/2018/048647A1
According to one aspect, there is provided a speaker comprising a body, a surface structure rigidly attached to the body, electro-magnetic deformable plate elements attached to the rigid planar surface structure and configured to bend, w...  
WO/2018/036114A1
The present invention discloses a piezoelectric low-frequency/high dB electroacoustic assembly and a piezoelectric speaker applying the same, and relates to the field of piezoelectric speakers. The piezoelectric low-frequency/high dB ele...  
WO/2018/035486A1
A piezoelectric, acoustic device comprising: a substrate; a plurality of plates, each plate comprising a first electrode layer, a piezoelectric layer and a second electrode layer, wherein the piezoelectric layer is in between the first e...  
WO/2018/029695A1
Single bulk unimorph piezoelectric elements, with interdigitated electrodes aligned obliquely relative to the direction perpendicular to the axis of the element, such that a torsional response is induced into the element. When such eleme...  
WO/2018/021075A1
A plurality of vibration plates (4, 5, 6, 7) each include a laminated piezoelectric layer. The plurality of vibration plates (4, 5, 6, 7) are caused to warp and vibrate at respectively different resonance frequencies by expansion/contrac...  
WO/2018/020887A1
Provided are a pickup sensor and a biometric sensor which are compact and are capable of detecting minute vibrations stably, efficiently and with high precision. This pickup sensor is provided with an electro-acoustic converting film com...  
WO/2018/016128A1
This ultrasonic probe includes: a plurality of piezoelectric elements; an acoustic matching layer that is connected to an ultrasound-emitting face of the plurality of piezoelectric elements; a common ground disposed with at least a porti...  
WO/2018/016630A1
Provided are: a piezoelectric vibration generating device that is finished with less manufacturing time and has a longer lifespan than the prior art, and that uses a circular vibrating plate and piezoelectric vibrating element; and an in...  
WO/2018/013175A1
A MEMS resonator is provided with a high quality factor and lower motional impedance. The MEMS resonator includes a silicon layer having opposing surfaces, a piezoelectric layer above one of the surfaces of the silicon layer, and a pair ...  
WO/2018/012181A1
The present invention, with structural simplification secured, heightens the accuracy of oscillator position relative to an actuator and improves sound quality. The present invention is provided with an actuator operated in accordance wi...  
WO/2018/011048A1
The invention relates to a detection device (100) for a piezoelectric microphone (200), comprising: an extension arm having at least three layers (40, 50) arranged one on top of the other, wherein at least one of the layers (40) is a pie...  
WO/2018/012443A1
A piezoelectric transformer (101) is provided with a base (1), and an upper layer (15) supported by the base (1). The upper layer (15) includes a first piezoelectric layer (3) disposed so as to include a portion sandwiched by an output e...  
WO/2018/008181A1
The present invention relates to an electrostatic capacitance type sensor manufactured using MEMS technology, and provides a technique which enables a high SN ratio to be obtained, and which enables an increase in resistance to input pre...  
WO/2018/000501A1
A screen sound production control apparatus (410), comprising: a digital signal processor (110) for performing analogue-digital conversion processing on an audio signal, so as to obtain a digital signal; a coder-decoder (120) connected t...  
WO/2018/004688A1
Embodiments of the invention include an acoustic transducer device having a base structure that is positioned in proximity to a cavity of an organic substrate, a piezoelectric material in contact with a first electrode of the base struct...  
WO/2017/221247A1
A system for spectacles, equipped with a digital sound reconstruction speaker chip, an energy storage device, a controller, and conductors configured to connect the digital sound reconstruction speaker chip to the controller and the cont...  
WO/2017/221762A1
An electroacoustic transducer (1A) includes: an ultrasonic element (20) including a diaphragm portion (21) and a support frame portion (22); a case body (10) for accommodating the ultrasonic element (20); and a fixation portion (40) for ...  
WO/2017/220235A1
The invention relates to an activating device (1) for activating an external sensor device (12), comprising a plurality of sound converting devices (10-i; 10a; 10b) with respective resonance frequencies and respective sensitivities, said...  
WO/2017/215809A1
A microelectromechanical microphone (100) is described, comprising: – a substrate plate (110) having an opening (113), – a piezoelectric membrane (160) arranged in the region of the opening (113) above the substrate plate (110), – ...  
WO/2017/217399A1
A vibrator (4) has a planar shape, comprises a base material layer and a piezoelectric layer stacked on the base material layer, and vibrates by being warped by expansion and compression of the piezoelectric layer. A housing (2) includes...  
WO/2017/213415A1
The present invention provides a sound output apparatus comprising: a first sound output unit; a second sound output unit provided so as to be spaced at a predetermined distance from the first sound output unit; at least one opening form...  
WO/2017/212511A1
This laminate is provided with a piezoelectric body and a first acoustic matching layer that is disposed on the piezoelectric body either directly or via another layer. The first acoustic matching layer includes a closed-cell plastic foa...  
WO/2017/204012A1
This adhesive composition contains an epoxy resin as a main component, and includes an inorganic zwitterion exchanger.  
WO/2017/199809A1
Provided is an ultrasonic measuring device wherein the position of an optical detection unit with respect to a vibrating film is not needed to be set with a high positional accuracy in plan view of a substrate. An ultrasonic transducer d...  
WO/2017/200490A1
A window system, a method of managing noise and a method of installing a noise management system on a window are provided. The window system includes a ventilation channel and a noise management system in or adjacent the ventilation chan...  
WO/2017/199634A1
A piezoelectric body comprises a single crystal of magnesium niobate lead titanate. The piezoelectric body has a surface arithmetic mean height of not less than 50 nm and not more than 200 nm. The piezoelectric body has a surface sharpne...  
WO/2017/200219A1
The present invention relates to a piezo MEMS microphone and a manufacturing method therefor, the microphone comprising: a substrate having a sound chamber formed in a central lower part thereof; a diaphragm formed at an upper part and h...  
WO/2017/196080A1
The present invention relates to a piezoelectric ceramic sintered body, a method for manufacturing a piezoelectric ceramic sintered body, and an electronic device and, more specifically, to: a piezoelectric ceramic sintered body to be us...  

Matches 1 - 50 out of 19,478