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Matches 1 - 50 out of 16,011

Document Document Title
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...  
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/2017/200219A1
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/2017/200154A1
The present invention relates to a slim type speaker. The slim type speaker, in which vibrating spaces of a diaphragm and a voice coil are separated, is not affected by the height (thickness) of a magnetic circuit, and thus can reduce th...  
WO/2017/194785A1
According to an example embodiment, a seat arranged for joint production of vibration and sound is provided. The seat comprises vibration means for jointly producing vibration and sound to reproduce an input audio signal provided as inpu...  
WO/2017/196154A1
A stethoscope device of the present invention comprises: an interface unit for acquiring bio-sounds of the body; a microphone for converting a bio-sound into a first signal, which can be processed in a terminal; and a speaker for convert...  
WO/2017/194784A1
A technique for joint production of vibration and sound is provided. According to an example embodiment, the technique is provided by an apparatus comprising means for jointly producing vibration and sound to reproduce an input audio sig...  
WO/2017/191226A1
The present invention relates to a membrane plate structure for generating sound waves, the membrane plate structure comprises a vibrating element for generating sound waves and a membrane plate which is coupleable to the vibrating eleme...  
WO/2017/189910A1
Improving noise rejection of a micro-electro-mechanical system (MEMS) microphone by utilizing a membrane sandwiched between oppositely biased backplates is presented herein. The MEMS microphone can comprise a diaphragm that converts an a...  
WO/2017/186726A1
Acoustic membrane (100) comprising at least three layers with a first outer layer (101) and a second outer layer (102), wherein the first and the second outer layer (101, 102) are formed by a thermoplastic elastomer, wherein the thermopl...  
WO/2017/181718A1
The invention discloses a diaphragm and a miniature speaker comprising the same. The diaphragm has a multi-layer composite structure comprising alternately stacked thermoplastic elastomer layers and film layers. In the invention, the dia...  
WO/2017/181536A1
The invention relates to the field of electroacoustic technology, and specifically, to a diaphragm and a miniature speaker having the same. The diaphragm has a multi-layer composite structure comprising alternately stacked thermoplastic ...  
WO/2017/180838A1
A loudspeaker includes a voice coil in a balanced state. In the loudspeaker, at least a first suspension element acts on a first side of the voice coil, and at least a second suspension element acts on a second side of the voice coil. Th...  
WO/2017/178490A1
The present invention relates to a membrane plate structure (100) for generating sound waves. The membrane plate structure (100) comprises a first skin layer (101), a second skin layer (102) and a core layer ( 103) which is interposed be...  
WO/2017/175682A1
The present invention is a glass plate constituent in which the loss factor is 1×10-2 or more and the longitudinal wave sound velocity value in the plate thickness direction is 5.5×103 m/s or more.  
WO/2017/173506A1
Headphone with at least one earphone speaker driver (4) for reproducing the sound emanating from an audio signal (19) from an audio source, characterized in that it is also provided with an at least one so-called "medium surface exciter"...  
WO/2017/170781A1
A resin composite film comprising a cellulose microfiber sheet and a resin, the resin composite film satisfying the following: (1) in a modulus mapping obtained by an examination of a cross-section with an AFM along the thickness directi...  
WO/2017/170456A1
Provided are a pressure sensor and a method for producing the same. The pressure sensor is provided with a silicon substrate 24 having a cavity 23, a diaphragm 21 that comprises metallic glass and is under tensile stress in a range such ...  
WO/2017/165604A1
The present invention relates to a noise reduction assembly for auscultation of a body. An embodiment of the assembly includes an auscultation device formed of a first material and having a proximal end for engagement with the body when ...  
WO/2017/162165A1
A method of manufacturing a membrane for an electro-acoustic transducer through pad printing of a liquid plastics material is provided. The method includes providing a mold having a desired membrane geometry and depositing one or more la...  
WO/2017/162132A1
A membrane (112) for an acoustic device including an electrical conductor (120) integrally formed within the membrane (112). The integrally formed electrical conductor (120) may be net-shaped and may be formed between two or more layers ...  
WO/2017/161473A1
A light-weight vehicle-mounted vibration speaker based on a 3D-sound effect comprises a support device, an elastic connection member (3), a radiation plate (4), a damping cover (5) and a vibration source (6) that are mounted on an automo...  
WO/2017/161668A1
Disclosed in the present invention is a diaphragm and a manufacturing method for a diaphragm, the diaphragm comprising an annular support member, a first diaphragm layer and a circuit layer, the first diaphragm layer being fixedly connec...  
WO/2017/157495A1
The invention relates to a new membrane for a loudspeaker. The membrane comprises a cent- ral portion having a sound emitting surface and a back surface. The membrane further compri- ses a first edge directly adjacent to the central port...  
WO/2017/154328A1
In order to accurately and reliably position a vibrating body having a curved plate, such as a riffel-type speaker, and a general-purpose actuator such as a voice coil motor, and to reproduce and collect sounds in a stable manner, an ele...  

Matches 1 - 50 out of 16,011