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Patent Searching and Data


Matches 1 - 50 out of 16,075

Document Document Title
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...  
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/2018/061320A1
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/2018/058841A1
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...  
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...  
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/2018/057175A1
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...  
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...  
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...  
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/2018/047708A1
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...  
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/2018/043224A1
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...  
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 ...  
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 ...  
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...  
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 ...  
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...  
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...  
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...  
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/2018/016630A1
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/2018/014500A1
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...  
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/2018/013203A1
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...  
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...  
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...  
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/2018/008347A1
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...  
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...  
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)...  
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...  
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 ...  
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 ...  
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 ...  
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...  
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...  
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...  
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...  
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/2017/218134A1
A method of forming a device having a compliant member (16) includes creating a membrane (22) having one or more elastomeric layers which are at least partially cured. Another elastomeric layer (26) is provided on the membrane (22) in an...  
WO/2017/214855A1
A pneumatic single-body structure (10) comprising: a diaphragm layer (20), a first electrically-conductive structure (31), and a second electrically-conductive structure (32). The first electrically-conductive structure (31) is arranged ...  
WO/2017/216126A1
The invention relates to a broadband electrodynamic transducer (10) for headphones, said transducer (10) comprising: - a magnetic motor (11) designed to generate a magnetic field; - a coil (12) that is disposed in the air gap (13) of the...  
WO/2017/209451A1
The present invention relates to a speaker apparatus for reproducing a sound from an electrical signal and, more specifically, to a voice coil speaker apparatus capable of reproducing a high-fidelity sound over a wide frequency band.  
WO/2017/199929A1
A plate speaker provided with a flat diaphragm in which is formed a wiring pattern constituting part of a magnetic circuit, wherein the thickness of the diaphragm is differentiated for each area.  
WO/2017/199175A1
The present invention provides an acoustic structure with a passive diaphragm unit comprising: a housing, a speaker unit and at least one passive diaphragm unit. The housing as mentioned above has a closely connected aperture with the sp...  
WO/2017/199176A1
The present invention provides an acoustic structure with a passive diaphragm unit comprising: a housing, a speaker unit and at least one passive diaphragm unit. The housing as mentioned above has a closely connected aperture with the sp...  
WO/2017/199043A1
A vibration element (2) for producing a haptic feedback signal comprises a piezoelectric bending transducer (8) which is mounted in a housing (4), extends in a longitudinal direction (10) and is connected to a centrifugal mass (12), wher...  
WO/2017/199177A1
This invention provides an acoustic structure with a passive diaphragm unit comprising: a housing, a speaker unit, at least one passive diaphragm unit and a fairing. The housing, as mentioned earlier, has a closely connected aperture wit...  

Matches 1 - 50 out of 16,075