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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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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), – ...
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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...
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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 ...
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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...
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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.
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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.
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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.
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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"...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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WO/2017/125789A1 |
Apparatus and method for playing music by means of planar acoustic transducers adapted to optimize the music emission quality.
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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 ...
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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...
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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...
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