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Matches 201 - 250 out of 16,523

Document Document Title
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...  
WO/2017/153281A1
The invention relates to an MEMS sensor apparatus (100; 400; 700) having a substrate (101); a membrane device (105; 401; 701) that is clamped to the substrate (101) and that is movable, at least one counter-electrode (108; 704a, 704b) ar...  
WO/2017/149984A1
A speaker is provided with a diaphragm having an opening in the center, a voice coil, an edge part, a frame, and a magnetic circuit. The voice coil is attached to the inner periphery of the diaphragm. The edge part is attached to the out...  
WO/2017/150552A1
Disclosed is a speaker diaphragm 1 that comprises an accordion-folded film member which is folded back in a zig-zag pattern so that mountain sections, valley sections, and side-surface sections therebetween are repeatedly formed along a ...  
WO/2017/143520A1
The application discloses a speaker diaphragm comprising a dome portion located in a middle portion and an outer ring portion connected to an outer side of the dome portion and having an upwards protruding curvature. The diaphragm has an...  
WO/2017/144774A1
The invention relates to a sound reproducing system and method for converting an input left audio signal (L) and an input right audio signal (R) into a stereo sound image. The sound reproducing system comprises a converter (3), at least ...  
WO/2017/145284A1
The purpose of the present invention is to provide an electroacoustic transducer which adopts a voice coil diaphragm, implements a new vibration mode by utilizing not only a parallel magnetic field component but also a vertical magnetic ...  
WO/2017/145649A1
Disclosed is an acoustic generator that is provided with: a laminated piezoelectric element 1 having a laminated body 13 in which piezoelectric layers 11 and internal electrode layers 12 are alternately laminated; and a diaphragm 2 havin...  
WO/2017/142128A1
The purpose of the present invention is to enable the output of a speaker sound in the air and, simultaneously, make the sound resonate inside of a cup, to be applicable regardless of a cup size, and to receive a voice signal from sound ...  
WO/2017/130822A1
A speaker diaphragm comprising resin and a hollow glass member contained in the resin. In addition, a speaker comprising: said speaker diaphragm; a magnetic circuit; a frame joined to the magnetic circuit; and a voice coil having one end...  
WO/2017/130972A1
Provided is a vibration plate edge member for an electroacoustic transducer, the edge member being characterized by containing as a primary component a polyamide resin (A) comprising a dicarboxylic acid component (a-1) having terephthali...  
WO/2017/126257A1
Provided is an electroacoustic transducer that enables reduction in thickness and weight of an entire pillow when a speaker is built in the pillow or a headrest, that can be downsized by setting the position of the speaker near a positio...  
WO/2017/125789A1
Apparatus and method for playing music by means of planar acoustic transducers adapted to optimize the music emission quality.  
WO/2017/122811A1
Provided is a speaker edge that is capable of improving air permeability resistance with a simple configuration. Forming flat parts (31) in elastomer fibers (3) enables the areas of the elastomer fibers (3) to be large in a plan view of ...  
WO/2017/122257A1
An electroacoustic transducer is provided with: a diaphragm; a frame arranged around the diaphragm so as to enclose the diaphragm; an edge that fills a gap between the diaphragm and the frame as if a film has been stretched between the d...  
WO/2017/116021A1
An earset having a hollow channel is disclosed. The earset having a hollow channel according to the present invention may comprise: a case; a speaker embedded in the case; a tube separated from an output space of speaker sound on the fro...  
WO/2017/106985A1
A high pitch monomer, comprising: a chassis (41); an integral support (43) combining a sound membrane and magnets, the support (43) having an upper clamping groove (433) and a lower clamping groove (431) and being assembled on the chassi...  
WO/2017/111229A1
A speaker device is provided. The present speaker device comprises: a speaker; a touch display disposed at a central part of a vibration plate included in the speaker, displaying a UI for receiving an input of a user operation, and recei...  
WO/2017/111376A1
Provided in the present invention are a complex device and an electronic device comprising same, the complex device comprising: a frame provided with a specific space therein; a vibrating member, provided inside the frame, for generating...  
WO/2017/104124A1
This electroacoustic transducer is provided with: a diaphragm; a frame disposed so as to surround the circumferential edge of the diaphragm; a front-side support which couples the diaphragm and the frame; a rear-side support which is dis...  
WO/2017/104125A1
This electroacoustic transducer is provided with: a diaphragm; a frame disposed so as to surround the diaphragm; a support which couples the diaphragm and the frame, and which is provided with a protruded portion which protrudes towards ...  
WO/2017/106188A1
An acoustic sensing apparatus includes a diaphragm; a support structure surrounding the diaphragm and a gap disposed there between, the diaphragm and support structure separating a front volume and a back volume; one or more cantilevers ...  
WO/2017/103360A1
A circular acoustic membrane (1) having an upper surface (11) and an opposite lower surface (10), said membrane (1) being intended to be coupled at the lower surface (10) thereof to a mobile winding (4) via a support (3). The membrane (1...  
WO/2017/099626A1
The invention relates to electrical engineering, and more particularly to the structure of a strip acoustic transducer, and can be used for concert sound systems. The technical result of the claimed invention is an increase in the long-t...  
WO/2017/099849A1
A microelectromechanical microphone has a stationary region or another type of mechanically supported region that can mitigate or avoid mechanical instabilities in the microelectromechanical microphone. The stationary region can be forme...  
WO/2017/091379A1
An example composition includes a cloth, which has on each side thereof, a first waterproofing agent, a barrier which inhibits or prevents environmental degradation, and an elastomeric barrier including a second waterproofing agent. Anot...  
WO/2017/091509A1
A loudspeaker system composed of a flexible panel with an affixed array of force actuators, a signal processing system, and interface electronic circuits is described. The system described is capable of creating a pattern of standing ben...  
WO/2017/089560A1
The present invention relates to a composition in the form of sheet or layer comprising a layer of an aromatic polymer and a layer of metal adhering to at least one side of said polymeric sheet, and to its uses.  

Matches 201 - 250 out of 16,523