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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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WO/2017/221340A1 |
Provided is an ultrasonic sensor unit whereby adhesiveness of an elastic sheet with respect to an ultrasonic radiation surface can be sufficiently ensured, and the elastic sheet can be easily replaced. An ultrasonic sensor unit 2 is prov...
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WO/2017/219637A1 |
Provided is a silica gel diaphragm. The thickness of the silica gel diaphragm is not uniform, and the thickness of the silica gel diaphragm is 8-350 micrometers. The silica gel diaphragm of the present invention has the advantage of bein...
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WO/2017/218525A1 |
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 and...
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WO/2017/218184A1 |
An electroacoustic transducer comprises a sleeve extending along a longitudinal axis; diaphragm coupled to the sleeve at a first end of the sleeve; a subassembly in the sleeve; and an alignment element extending from the subassembly in a...
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