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WO/2019/004933A1 |
Various embodiments may provide an acoustic device. The acoustic device may include a substrate, an electrically conductive first membrane, a first spacer holding the first membrane to form a first acoustic chamber between the substrate ...
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WO/2019/001930A1 |
The invention relates to a sound transducer arrangement (1) for generating and/or detecting sound waves in the audible wavelength spectrum, having an acoustic unit (2), which comprises an oscillatable diaphragm (3), having an MEMS unit (...
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WO/2019/000540A1 |
Disclosed are a material assembly and a forming method and an assembly method thereof, and a speaker device module. The material assembly comprises: a base membrane having a through hole; a double-sided adhesive tape adhered to the base ...
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WO/2018/225415A1 |
Proposed is a method for producing a film substrate, by which a film substrate is produced by forming a film on a substrate, said film being capable of operating at high temperatures, by mixing a powder of a ferroelectric body and a sol-...
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WO/2018/223389A1 |
A MEMS microphone, a manufacturing method thereof and an electronic apparatus are disclosed. The MEMS microphone comprises: a MEMS microphone device including a MEMS microphone chip and a mesh membrane (402) monolithically integrated wit...
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WO/2018/226869A1 |
A bobbin for an electro- acoustic driver includes an outer surface, a substantially planar surface at an end of the bobbin, and a bobbin axis that is substantially coaxial with a housing axis. The bobbin is disposable inside a housing an...
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WO/2018/223752A1 |
Provided are a composite electrode, an acoustic sensor using the same, and a manufacturing method. The composite electrode comprises: an electrically conductive layer; and a semiconductor polymer layer having a three-dimensional reticula...
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WO/2018/220061A1 |
The invention relates to an electrodynamic loudspeaker having: - a frame (17), - an assembly (23) that is movable in translation with respect to the frame along an axis (D) of the loudspeaker about an equilibrium position that is taken u...
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WO/2018/215669A2 |
A micromechanical acoustic transducer comprises, according to a first aspect, a first bender transducer with a free end and a second bender transducer with a free end which are situated in a common plane, wherein the free end of the firs...
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WO/2018/208565A1 |
Systems and methods of forming transducer diaphragms are disclosed herein. In one embodiment, a method of producing a transducer diaphragm includes receiving a workpiece between a first forming tool and a second forming tool. The workpie...
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WO/2018/197838A1 |
The application describes MEMS devices and associated methods of fabrication. The MEMS devices comprise a filter configured and arranged to inhibit the entry of particles into at least a region of the interior of the substrate cavity fro...
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WO/2018/197836A1 |
The present disclosure describes techniques for altering the epoxy wettability of a surface of a MEMS device. Particularly applicable to flip-chip bonding arrangements in which a top surface of a MEMS device is adhered to a package subst...
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WO/2018/199554A1 |
The present invention relates to a microphone having a rigid backplate structure and a method for manufacturing the same. The microphone comprises a membrane comprising a driving electrode and a backplate comprising a fixed electrode. Th...
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WO/2018/188195A1 |
Disclosed is a method for an acoustic device. The method comprises: using a shell injection mold to produce an annular shell of an acoustic device by injection molding, a runner structure formed by injection molding being connected to th...
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WO/2018/182868A1 |
A tool comprises an expanding collet constructed and arranged for positioning at an interior of a bobbin having an inner diameter, the expanding collet including a hole that extends through an interior in a longitudinal direction of the ...
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WO/2018/182867A1 |
A tool for arranging voice coil leadouts in a microspeaker comprises a mandrel having a top surface on which a bobbin and voice coil are positioned during formation of helicoidal leadout regions of the voice coil, a bobbin alignment feat...
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WO/2018/161659A1 |
A radial magnetic circuit assembly device and an assembling method. The radial magnetic circuit assembly device comprises a magnetic center column (40), a lower collar (50), and an upper collar (60). The magnetic center column (40) compr...
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WO/2018/164047A1 |
Provided is a piezoelectric member which is improved in terms of adhesion of a metal electrode to a piezoelectric element. A piezoelectric member 102 is provided with: a piezoelectric element 21; and a pair of electrodes 41, 42 which are...
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WO/2018/160243A1 |
A bone conduction transducer includes a yoke having a pair of arms, a layer of high permeability steel on a surface of the yoke between the arms, a metal coil, a metallic post that extends into a center portion of the metal coil, a diaph...
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WO/2018/148485A1 |
In accordance with one aspect, a diaphragm for an acoustic receiver is provided that includes a frame, a paddle flexibly coupled to the frame, and a gap between a portion of the paddle and the frame. The diaphragm further includes siloxa...
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WO/2018/128673A1 |
An improved compact electroacoustic transducer and loudspeaker system. The electroacoustic transducer (or array of electroacoustic transducers) can generate the desired sound by the use of pressurized airflow. The electroacoustic transdu...
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WO/2018/128936A1 |
A speaker assembly including a sound radiating surface suspended over a magnet assembly, a suspension member for suspending the sound radiating surface over the magnet assembly, a voice coil extending from a bottom side of the sound radi...
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WO/2018/110878A1 |
The present invention relates to a microphone having a horizontal tensile structure and a method for manufacturing the microphone, comprises a membrane comprising a driving electrode and a back plate comprising a fixed electrode, and the...
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WO/2018/108754A1 |
The present invention relates to an acoustic microelectronic device comprising a carrier (1), a set of at least one membrane (3) suspended on one side (21) of the carrier (1) above a cavity via an anchoring zone (31), and at least one ac...
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WO/2018/102622A1 |
An imaging device (120) includes a two dimensional array of piezoelectric elements (2000). Each piezoelectric element (2002) includes: a piezoelectric layer; a bottom electrode (2003) disposed on a bottom side of the piezoelectric layer ...
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WO/2018/100373A1 |
A MEMS transducer comprising: a flexible membrane, the flexible membrane comprising a first membrane electrode; a back plate, the back plate comprising a first back plate electrode; wherein the back plate is supported in a spaced relatio...
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WO/2018/102621A1 |
A transceiver (210) includes an array of pMUT elements (302), where each pMUT (302) element includes: a substrate (1030); a membrane (1034) suspending from the substrate (1030); a bottom electrode (1002) disposed on the membrane (1034); ...
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WO/2018/094963A1 |
Provided are a micro-silicon microphone and a manufacturing method thereof for solving a technical problem in which sensitivity and a manufacturing process of a micro-silicon microphone are affected by stress of the micro-silicon microph...
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WO/2018/097086A1 |
Provided is an electrostatic type transducer (1) in which an electrostatic type unit (10) is formed so as to be flat and wound into a roll, from a first laminate sheet (110) and a second laminate sheet (120). The first laminate sheet (11...
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WO/2018/079113A1 |
According to the present invention, an armature 32has a fixed part 32a, an extending part 32b, a bent part 32c, and a movable part 32d. The moveable part 32d of the armature 32 is inserted into a coil 27 to face magnets 24, 25, and the f...
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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...
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WO/2018/068445A1 |
Disclosed is a microphone sealing device, comprising a sealing sleeve, an elastic body, a compression portion and a positioning portion, wherein the sealing sleeve is sheathed on a microphone; the elastic body abuts between the sealing s...
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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...
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WO/2018/061395A1 |
This ultrasonic transducer has: a hollow section 110, which is formed between insulating films 104, 106 sandwiched between a lower electrode 103 and an upper electrode 107 that are formed on a substrate 101; and a membrane 120 comprising...
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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...
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WO/2018/057146A1 |
This disclosure relates to speakers and more specifically to an array speaker for distributing music uniformly across a room. A number of audio drivers can be radially distributed within a speaker housing so that an output of the drivers...
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WO/2018/051797A1 |
This vibrating plate for a speaker includes a woven fabric, which is a base material, a sealing layer, and a coating layer. The woven fabric has a first surface and a second surface on the reverse side to the first surface, and is molded...
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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...
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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 ...
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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...
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WO/2018/034015A1 |
[Problem] To provide: a sound generation device whereby a coil can be easily and securely fixed to a yoke, in a drive mechanism; and a production method therefor. [Solution] A first yoke 21 and a second yoke 22 are combined and a first m...
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WO/2018/023842A1 |
The present invention relates to a vibration diaphragm and a manufacturing method thereof, and an electroacoustic transducer. The vibration diaphragm comprises a base layer, wherein the base layer is a film manufactured using any one of ...
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WO/2018/023843A1 |
The present invention relates to a vibration diaphragm and a coating method thereof, and an electroacoustic transducer. The vibration diaphragm comprises: a substrate layer, a strengthening layer, and an adhesive layer coated on the stre...
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WO/2018/021096A1 |
Provided are a thin microphone, a packaging method to be used in manufacturing the microphone, and an electronic device. Microphones 1, 1A, 1B, 1C, 1D, 1E, 2, 3, and 4 are each provided with: a die 11 on which a transducer is mounted; a ...
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WO/2018/009308A1 |
A microphone includes a microelectromechanical system (MEMS) die configured to sense an acoustic signal, a base, and a lid. The base has a top surface and a bottom surface. The bottom surface includes a first electrical pad and a second ...
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WO/2018/007372A1 |
A composite material for producing an acoustic membrane, wherein the composite material comprises a silicone layer comprising an at least partially uncured silicone rubber and a support layer, wherein the support layer is adjacent to the...
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WO/2018/002595A1 |
The present application describes MEMS transducer having a membrane and a membrane electrode. The membrane and membrane electrode form a two-layer structure. The membrane electrode is in the form of a lattice of conductive material. The ...
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WO/2018/002566A1 |
The application describes MEMS transducer structures- comprising a membrane structure having a flexible membrane layer and at least one electrode layer. The electrode layer is spaced from the flexible membrane layer such that at least on...
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WO/2018/005160A1 |
Methods are disclosed for forming a decorative faceplate for attachment to an ear insert. An impression medium is first inserted into an ear for forming an impression of at least a portion of the ear concha and ear canal. An initial ear ...
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WO/2018/002103A1 |
The present application provides a method of manufacturing a resonant panel (200) of a flat panel loudspeaker. The method comprises: pressing a resonant panel blank between a first pressing surface (302) and a second pressing surface of ...
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