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WO/2018/103310A1 |
Disclosed in the present invention are a cone-shaped speaker diaphragm and a speaker. The cone-shaped speaker diaphragm comprises a cone and a folding ring, the folding ring being annular, and the folding ring comprising, in order from i...
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WO/2018/100326A1 |
A loudspeaker diaphragm (12) comprising a woven fibre body supports damping material (25), for example PVA polymer, on a rearward-facing surface (24). The woven fibre body may be formed of lengths (14) non-metallic fibre material (for ex...
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WO/2018/101064A1 |
This vibration element includes: a flexible substrate that includes a resin substrate and a conductor pattern which is arranged on the resin substrate and form multiple coils; and a plurality of magnets that are arranged at positions opp...
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WO/2018/094724A1 |
A graphene speaker diaphragm, comprising a diaphragm substrate layer (12) and a graphene layer (11) adhered to a surface of the diaphragm substrate layer (12). By providing a diaphragm design meeting requirement of a miniature speaker an...
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WO/2018/093043A1 |
The present invention relates to a hybrid speaker which is a hybrid multiway speaker suitable for smoothly implementing integrated broadband features with minimal distortion by phase interference caused in the case of noncoaxial coupling...
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WO/2018/088774A1 |
A display apparatus is disclosed. The display apparatus includes a display panel, a piezoelectric vibration unit attached to a rear surface of the display panel, and a member attached to at least one of a rear surface of the piezoelectri...
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WO/2018/084447A1 |
A planar magnet speaker with excellent sound reproduction in a low frequency range and capable of providing a plurality of input controls includes a first magnet member, a second magnet member, a membrane including at least one wire form...
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WO/2017/046716A9 |
The invention relates to audio transducers, such as loudspeaker, microphones and the like, and includes improvements in or relating to: audio transducer diaphragm structures and assemblies, audio transducer mounting systems; audio transd...
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WO/2018/079340A1 |
[Problem] The present invention addresses the problem of providing a bone conduction speaker, with which a high range that cannot be covered by bone vibration can be efficiently made audible by transmitting an air-conducted sound generat...
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WO/2018/079642A1 |
Provided is an electronic keyboard musical instrument that can emit realistic sounds without sacrificing the design of the musical instrument as a whole. The keyboard musical instrument is provided with: a musical instrument housing 2; a...
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WO/2018/070399A1 |
Provided is a flat speaker that can enhance acoustic characteristics. This flat speaker is provided with: a flat vibration plate; a drive part attached to the rear surface of the vibration plate to vibrate the vibration plate; a fixing m...
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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...
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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...
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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...
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WO/2018/058841A1 |
Disclosed by the present invention are a diaphragm and a miniature acoustical generator provided with the diaphragm, which relates to the technical field of electroacoustic products. The diaphragm comprises a diaphragm body portion and a...
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WO/2018/064427A1 |
A loudspeaker is disclosed. The loudspeaker includes a diaphragm with a fixed portion and a movable portion. The fixed portion is attached to the movable portion by a plurality of leaf springs. A coil is disposed over the diaphragm in th...
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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 ...
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WO/2018/057175A1 |
A speaker including a frame, and a magnet assembly coupled to the frame. The magnet assembly forms an air gap through which a magnetic flux is directed. The speaker further including a voice coil suspended in the air gap, a diaphragm cou...
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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/2018/051480A1 |
[Problem] With regard to an electroacoustic conversion device, to facilitate miniaturization and, in particular, thinning, and the stabilizing of characteristics. [Solution] A drive magnet 37 and a pole piece 39 are fixed in a yoke 35. F...
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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...
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WO/2018/047708A1 |
Provided is an edge material of a vibration plate for an electro-acoustic transducer, containing a crystalline polyimide resin (A) comprising a tetracarboxylic acid component (a-1) and a diamine component (a-2) comprising mainly an aliph...
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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...
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WO/2018/043224A1 |
This speaker device includes a speaker, a box portion, and a lid portion. The box portion has an opening portion and accommodates the speaker. The lid portion occludes the opening portion of the box portion. The lid portion includes a gr...
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WO/2018/040528A1 |
Disclosed are a vibration diaphragm in an MEMS microphone, and an MEMS microphone, comprising a vibration diaphragm body (1) and at least one pressure relief device (2) on the vibration diaphragm body (1) and formed by gaps (a), wherein ...
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WO/2018/040259A1 |
The present invention discloses a sensitive membrane and an MEMS microphone, comprising a sensing portion located at a middle part, a connecting portion located at an edge and a motion portion located between the sensing portion and the ...
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WO/2018/035720A1 |
Disclosed in the present invention is a diaphragm, comprising a middle part, a folding ring part, and an edge part connected in sequence from inside to outside, the folding ring part comprising at least two folding rings, the width of th...
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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/2018/025138A1 |
Sound diffuser accessory (1), suitable to be associated to a sound source, such as for example an electric or electronic or digital musical device or instrument and suitable to diffuse sounds or sound signals deriving from said sound sou...
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WO/2018/020214A1 |
The application describes MEMS transducers comprising a flexible membrane layer supported in a fixed relation relative to a substrate along at least one supporting edge, wherein a plurality of slits are provided through the membrane laye...
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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...
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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...
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WO/2018/014500A1 |
Disclosed are a loudspeaker diaphragm and a moulding method therefor. The loudspeaker diaphragm comprises: a lead wire; a lead wire encapsulating portion, having a diaphragm portion and supporting bumps, with the supporting bumps being d...
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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...
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WO/2018/013203A1 |
Planar magnetic headphones (200) include a single layer of parallel elongated magnets (320) spaced from each other and supported on a magnet holder matrix (322). The holder matrix can be plastic or it can be a metallic permeability plate...
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WO/2018/010064A1 |
The present invention discloses a MEMS microphone and an electronic apparatus. The MEMS microphone comprises: a pressure sensing element, for sensing pressure applied thereon； a diaphragm attached to the pressure sensing element and ap...
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WO/2018/010138A1 |
An arc line loudspeaker diaphragm, consisting of a central sphere top (1) and an outer arc portion (2) connected to the outer edge of the central sphere top (1). The surface of the outer arc portion (2) is provided with a circle of radia...
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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...
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WO/2018/008347A1 |
This oscillatory component for loudspeakers has a base layer, an intermediate layer and a coating layer. The base layer has a front surface and a back surface, while having a first density and being configured from paper that is composed...
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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/2018/006535A1 |
A passive radiator and a speaker, comprising: a diaphragm (1), a frame (2) and at least one folding ring assembly (3). The diaphragm (1) is provided at a middle portion of the frame (2), and is connected to an inner edge of the frame (2)...
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WO/2018/004054A1 |
The present invention relates to a speaker unit. The speaker unit according to the present invention has a diaphragm located between a first guide member having a width narrower than a that of a first magnet and a second guide member hav...
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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/2018/002103A1 |
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/2018/002565A1 |
A MEMS transducer structure comprises a substrate comprising a cavity. A membrane layer is supported relative to the substrate to provide a flexible membrane. A peripheral edge of the cavity defines at least one perimeter region that is ...
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WO/2018/002567A1 |
The application describes MEMS transducers comprising a flexible membrane supported at a supporting edge relative to a substrate and further comprising one or more unbound edges. The shape of the unbound edge is selected so that the flex...
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WO/2017/222121A1 |
A portable sound equipment including a main body including an upper case and a lower case; a speaker hole formed in a top surface of the upper case; a speaker module secured to an inner surface of the upper case and adjacent to the speak...
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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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