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WO/2015/085697A1 |
A loudspeaker diaphragm, comprising a domed part located in the central position and a corrugated rim part located on the edge; the domed part and/or the corrugated rim part comprise silk cloth and thermoplastic polyurethane combined wit...
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WO/2015/077593A1 |
Disclosed is a 2D Matrix Array Backing Interconnect Assembly that provides a structure that enables simple construction of complex wring for an ultrasonic transducer array of desired dimension. A backing interconnect assembly can be prod...
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WO/2015/072616A1 |
Disclosed is a method for manufacturing a microphone package. The method for manufacturing a microphone package according to the present invention comprises the steps of: preparing a substrate having an upper surface on which a mounting ...
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WO/2015/068893A1 |
A microphone package and a method for manufacturing the same are disclosed. The microphone package of the present invention comprises: a substrate comprising a top side having a mounting pad and a bottom side having an inputting and outp...
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WO/2015/066169A1 |
A microelectromechanical system (MEMS) microphone includes a base having a port extending there through. A MEMS die is coupled to the base, and the MEMS die includes a diaphragm and a back plate. An application specific integrated circui...
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WO/2015/051580A1 |
Disclosed is a piezoelectric ceramic sounding element, comprising a piezoelectric ceramic plate and a metal plate attached tightly. The piezoelectric ceramic plate comprises a ceramic sheet, wherein two faces of the ceramic sheet are res...
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WO/2015/052316A1 |
The invention relates to a method for producing a film (7) for a loudspeaker diaphragm or a microphone diaphragm on the basis of a thermoplastic elastomer and is characterized in that a thermoplastic elastomer is shaped to a film by extr...
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WO/2015/044368A1 |
The present invention relates to a loudspeaker 1 including a cone 20 having a central aperture with a cone collar 28 upstanding from the perimeter of the central aperture 26 of the cone, a spider 30 having a central aperture 36, the spid...
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WO/2015/042001A1 |
An audio demonstration kit encourages understanding of audio concepts by enabling children to construct and study speaker performance. In a particular embodiment, the audio demonstration kit includes a paper speaker and instructions. The...
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WO/2015/032855A1 |
The invention relates to a digital acoustic device comprising at least one diaphragm (2) suspended facing a support (4) and at least one actuator (6, 10) associated with said diaphragm, said associated actuator (6, 10) being intended to ...
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WO/2015/018571A1 |
The invention relates to a method for producing a microelectromechanical transducer, comprising the following steps: producing a plurality of microelectromechanical transducers (1) on a single wafer (13), wherein each transducer (1) has ...
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WO/2015/015004A1 |
The present invention relates to a loudspeaker (1). The loudspeaker (1) includes: a U-yoke for holding a magnet having a base (12) with an upstanding side (14) around the perimeter of the base (12); a frame (20) having a ring (22) around...
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WO/2015/011969A1 |
This ultrasonic transducer includes: a plurality of piezoelectric elements; an electrode formed on the surface of each of the piezoelectric elements; a conductive wire, the tip of which being in contact with the electrode; and an electro...
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WO/2015/011956A1 |
Provided is an ultrasonic generation element that is small in size and resists cracks and the like. An ultrasonic generation element (11) for generating ultrasonic by use of a buckling tuning-fork oscillation mode in which a first oscill...
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WO/2014/210063A1 |
An ultrasound transducer and a method of making this transducer, where the transducer includes at least two piezoelectric elements, oriented adjacent to each other in a stack. Each piezoelectric element includes a first surface which inc...
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WO/2014/185559A1 |
The present invention relates specifically to a method for manufacturing a transducer and a transducer manufactured using the method, wherein the manufacturing method performs dicing and enables stacking while a piezoelectric material is...
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WO/2014/180140A1 |
The present invention provides a shutter covering a sound hole of a loudspeaker module and assembling method thereof, and the loudspeaker module. The shutter covering the sound hole of the loudspeaker module is arranged inside the case o...
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WO/2014/176080A1 |
An acoustic apparatus includes a substrate, micro electro mechanical system (MEMS) die, and an integrated circuit. The substrate includes a permanent opening that extends there through. The micro electro mechanical system (MEMS) die is d...
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WO/2014/175329A1 |
Provided is a carbonaceous acoustic diaphragm which has a low density, a high flexural modulus, and a high value of acoustic velocity. The carbonaceous acoustic diaphragm comprises a low-density layer (12) constituted of a porous carbon ...
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WO/2014/171158A1 |
An ultrasonic sensor equipped with: a damper (40) provided with a first recess (43) and second recesses (44A, 44B); an internal wiring member (50) having one end connected to a piezoelectric element and the other end (52) positioned insi...
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WO/2014/170122A1 |
The invention relates to a composite for production of an acoustic membrane, wherein the composite comprises an internal carrier layer and at least two adhesive layers on the two surfaces of the carrier layer, and wherein the carrier lay...
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WO/2014/162410A1 |
This edge of a loudspeaker apparatus is formed by laminating, on a first layer containing a fiber, a second layer containing a rubber-based member, and a third layer containing a urethane-based member. By means of providing the third lay...
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WO/2014/156017A1 |
This speaker includes a frame, a magnetic circuit, a magnetic gap, a diaphragm, a voice coil, a connector and a lead wire. The connector is disposed on the frame, and includes a terminal. The lead wire connects the terminal and the voice...
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WO/2014/157050A1 |
The piezoelectric vibrator of the present embodiment is provided with a polarized single-crystal piezoelectric material, a first electrode, and a second electrode. The polarized single-crystal piezoelectric material is configured from a ...
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WO/2014/132392A1 |
Provided are a manufacturing method and a manufacturing device for a laminated body that allow constituent diaphragm layers of a laminated body to have a uniform thickness. This manufacturing method for a speaker diaphragm as an example ...
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WO/2014/127622A1 |
The present invention relates to the technical field of electronic product assembling and testing devices. Disclosed is a multifunctional device used for assembling and testing a driven-by-wire headset. The multifunctional device compris...
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WO/2014/094831A1 |
An top-port MEMS microphone TPMM allowing further miniaturization while maintaining a good performance is provided. The microphone comprises an MEMS chip MC with a monolithically connected protection element PE at the upper side enhancin...
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WO/2014/091704A1 |
This diaphragm includes a paper layer and a skin layer. The paper layer includes natural fibers and synthetic fibers formed by a thermoplastic resin. The paper layer is formed by mixing the natural fibers and the synthetic fibers in wate...
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WO/2014/091951A1 |
In this production method for an ultrasonic probe, both damage control and operational reliability are maintained when assembling an ultrasonic probe using a chip having a capacitive ultrasonic transducer formed thereon. In a semiconduct...
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WO/2014/087961A1 |
The present invention contributes to emission of sound waves in a wide frequency band and suppression of a decrease in the directionality of the emitted sound waves. The electroacoustic transducer according to the present invention has l...
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WO/2014/087914A1 |
Provided is a molding method which is capable of molding a piezoelectric polymer into polymer piezoelectric materials having various shapes. Also provided are: a vibration generator which uses a polymer piezoelectric material; and a spea...
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WO/2014/077061A1 |
A high-density ultrasonic vibrator equipped with multiple organic piezoelectric components and multiple inorganic piezoelectric components is provided by: bonding one of the surfaces of an organic piezoelectric layer (61) with a surface ...
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WO/2014/077512A1 |
One embodiment of the present invention relates to an integrated artificial cochlear implant and to a method for manufacturing same. According to one embodiment of the present invention, a sound detection unit, a signal processing unit, ...
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WO/2014/061584A1 |
The present invention contributes to the oscillation of highly directional acoustic waves with high efficiency. This electroacoustic transducer is equipped with: a piezoelectric vibrator; a casing that is provided with a predetermined sp...
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WO/2014/058766A1 |
An acoustic assembly includes an upper housing and a lower housing. The lower housing is coupled to the upper housing forming an interior cavity there between. At least one acoustic component is disposed within the cavity. At least one m...
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WO/2014/041606A1 |
[Problem] The objective of the present invention is to provide a speaker and a speaker edge with which the generation of unnecessary resonance can be suppressed and the acoustic characteristics can be improved. [Solution] A speaker edge ...
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WO/2014/035904A1 |
In one embodiment, a cymbal system includes a cymbal and a transducer couplable to the cymbal. The transducer has a sound pressure microphone, and a casing hermetically sealing the sound pressure microphone to prevent communication of ai...
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WO/2014/025153A1 |
A diaphragm for a speaker according to the present invention is configured to include a nanoweb in which nanofibers are accumulated by electrospinning a polymer material so as to be formed having multiple pores through which air can pass...
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WO/2013/142552A9 |
A process for producing a corrugated electrode for use in an electroactive polymer cartridge is disclosed. A laminated web comprising a support sheet laminated to a dielectric elastomer film is positioned. The support sheet defines areas...
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WO/2014/002286A1 |
[Problem] To provide an electromechanical conversion element that is resistant to degradation over time of piezoelectric properties even if temperature changes that cross an orthorhombic-tetragonal phase transition temperature occur. [So...
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WO/2013/190852A1 |
An acoustic matching member (4) comprising dry gel particles (8) and binding particles (10), wherein the dry gel particles have micropores (7) therein and hold interparticle voids among the dry gel particles, the binding particles that a...
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WO/2013/190824A1 |
A magnetic circuit includes an upper plate, a magnet, a lower plate, and a center pole. A diaphragm is coupled to the outer circumferential part of a frame. One end of a voice coil is coupled to the diaphragm, and the other end is insert...
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WO/2013/079930A9 |
An electro-acoustic transducer (100) comprising: a body (110) defining a mounting surface (114) for mounting the electro-acoustic transducer (100) on a substrate and an opening (120) for allowing sound to enter or exit the body (110); a ...
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WO/2013/178535A2 |
A free-standing non-planar polycrystalline CVD synthetic diamond component which comprises a nucleation face and a growth face, the nucleation face comprising smaller grains than the growth face, the nucleation face having a surface roug...
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WO/2013/174609A1 |
The invention relates to a multi-layered laminate for producing membranes for electroacoustic transducers, comprising a first layer (3) consisting of a polyether ether ketone film having a heat of crystallisation of at least 15 J/g, dete...
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WO/2013/164305A1 |
The invention relates to a hearing-protection earmold for active hearing protection, comprising an earmold body (10), which is produced after an ear impression and which has a hole (12) on the end face of the earmold body facing away fro...
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WO/2013/163115A1 |
An implantable microphone is described for use in hearing prosthesis systems. A cylindrical microphone housing has opposing circular cylinder ends and an interior volume containing an incompressible housing liquid. At least one housing m...
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WO/2013/160137A1 |
The present invention relates to an ear simulator representing an average acoustic ear drum impedance of ears of a population of humans. Another aspect of the invention relates to an ear simulator assembly comprising an ear simulator rep...
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WO/2013/157505A1 |
Provided is an electret structure (1) having: a fluorine resin film (21); a back electrode (22) formed on one surface of the fluorine resin film (21); and a silica layer (20) formed on the other surface of the fluorine resin film (21); t...
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WO/2013/150667A1 |
Provided is a piezoelectric element provided with a wiring electrode pattern structure which facilitates electrical connection. This piezoelectric vibration module is characterized by being provided with a piezoelectric element (1), a wi...
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