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WO/2024/090331A1 |
[Problem] To improve the sensitivity of an electret capacitor sensor. [Solution] This electret capacitor sensor 1000 includes: an insulating electrode 100 that includes a first electrode 110 and an insulating layer 120; and an electret e...
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WO/2024/086330A1 |
Low-cost, robust, and high performance microelectromechanical systems (MEMS) acoustic sensors are described. Described MEMS acoustic sensors can comprise a set of etch release structures in the acoustic sensor membrane that facilitates r...
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WO/2024/072709A1 |
Various implementations include electronic devices with internal joints cured by a light source. In a particular implementation, an electronic device includes: a casing defining an enclosure; a joint between components in the electronic ...
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WO/2024/062469A1 |
An apparatus for automated stacking and bonding of acoustic stack components includes: a tray for storage of stack components, lower jigs, and upper jigs; a first station comprising a plasma dispenser for application of plasma to an uppe...
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WO/2024/051509A1 |
The present invention relates to an MEMS loudspeaker, a manufacturing method for an MEMS loudspeaker, and an electronic device comprising an MEMS loudspeaker. The MEMS loudspeaker comprises: a diaphragm, one end of the diaphragm being fi...
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WO/2024/016346A1 |
The present invention relates to an airflow sensor circuit board machining process, a product, an airflow sensor, and an electronic product. The airflow sensor circuit board machining process comprises the following steps: machining micr...
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WO/2024/004825A1 |
This glass diaphragm comprises: a glass sheet structure; and a mounting unit fixed to the glass sheet structure. The mounting unit includes an attachment part for attaching a connection part to which vibration is transmitted by means of ...
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WO/2023/247473A1 |
The invention relates to a method for producing a MEMS converter for interaction with a volume flow of a fluid. For this purpose, a shaping component for forming a vibration-capable membrane with an actuator layer in the form of a meande...
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WO/2023/237397A1 |
The invention preferably relates to a process for producing a MEMS transducer comprising a membrane and a carrier, wherein the membrane has a meandering structure comprising vertical and horizontal sections. This comprises initially prov...
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WO/2023/226021A1 |
Embodiments of the present disclosure provide an ultrasonic transducer and a manufacturing method therefor, and an electronic device. The ultrasonic transducer comprises: an array substrate provided with a groove, a bottom electrode, and...
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WO/2023/225697A1 |
A description is given of an electroacoustic transducer (1), in particular bending wave transducer, having at least a bending-resistant acoustic diaphragm (2) and a structure-borne noise transducer (3) that excites the acoustic diaphragm...
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WO/2023/224081A1 |
The present invention relates to a glass diaphragm that includes a glass plate element, a mounting part that is fixed to the glass plate element, a connection part that is mounted on the mounting part and fixed to a vibrator that makes t...
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WO/2023/222609A1 |
A method of assembling a loudspeaker including providing a precursor loudspeaker. The precursor loudspeaker includes a chassis and a voice coil former. The chassis includes a first electrical terminal and a second electrical terminal. A ...
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WO/2023/217955A1 |
The present invention relates to a planar-dynamic acoustic transducer (0) having at least one magnet arrangement (1) having a plurality of magnetic poles and having at least one acoustic aperture (13) and having a diaphragm (2) having at...
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WO/2023/203879A1 |
A flexible printed circuit board (140) includes a first surface section (141), a second surface section (142) and a third surface section (143). The first surface section (141) has a first electrode (145) electrically connected to a piez...
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WO/2023/198837A1 |
The invention relates to a construction (1) for mounting an electrodynamic transducer in the passenger compartment of a motor vehicle, the construction comprising a plate (6) having a vibrating structure, at least one electrodynamic tran...
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WO/2023/190622A1 |
This vehicle electroacoustic transducer comprises: a diaphragm that generates sound by vibrating; a coil body having a coil that is energized to vibrate the diaphragm; a second terminal; and a wiring member. The second terminal includes ...
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WO/2023/185445A1 |
The present application relates to a differential capacitive MEMS microphone and a manufacturing method therefor. The microphone comprises: a substrate (110) comprising a second backplane (112); a first support layer (124) provided on th...
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WO/2023/166875A1 |
Provided is a manufacturing method for a speaker diaphragm, a speaker diaphragm, and a speaker whereby, even when a hole is opened, insulation properties can be ensured, and rigidity can also be ensured. The method for manufacturing a sp...
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WO/2023/161469A1 |
One aspect of the invention relates to a MEMS converter which comprises a vibratable membrane for generating or receiving pressure waves in a vertical emission direction. The vibratable membrane is held by a support and has vertical sect...
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WO/2023/152114A1 |
There is provided a loudspeaker wherein a frame is moulded with a magnet system such that the frame extends through an aperture in the magnet system. Advantageously, by moulding the frame to extend as a single piece through an aperture i...
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WO/2023/142762A1 |
Disclosed are a vibration assembly and a manufacturing method therefor, a bone voiceprint sensor, and an electronic device. The method comprises: preparing a first diaphragm ring and a mass block, the mass block being provided with a pre...
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WO/2023/144365A1 |
The present invention relates to vibration sensor comprising a pressure detecting arrangement for detecting generated pressure variations, wherein the pressure detecting arrangement comprises a MEMS die and a signal processor, wherein th...
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WO/2023/140166A1 |
This ultrasonic probe comprises at least one piezoelectric element that sends/receives ultrasonic waves. The at least one piezoelectric element includes: a piezoelectric body formed by the sol-gel process; and at least one electrode that...
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WO/2023/131986A1 |
A method for manufacturing an ultrasonic transducer (100) comprises the following steps. A first SOI substrate including: a first silicon film (111); a second silicon film (113); and an intermediate silicon oxide film (112) sandwiched be...
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WO/2023/098062A1 |
Disclosed in the present invention are a processing method for an earpad structure, the earpad structure, and an earphone. The processing method for the earpad structure comprises the following steps: processing and forming an earpad bod...
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WO/2023/095243A1 |
This ultrasonic transducer comprises: a rigid support plate that has a first surface and a second surface, the support plate being provided with a plurality of void sections that are opened in the first surface, and a plurality of wavegu...
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WO/2023/095884A1 |
An acoustic matching layer of the present invention contains amorphous carbon and carbon particles dispersed in the amorphous carbon, wherein the content of the carbon particles is no more than 40% by mass with respect to the total mass ...
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WO/2023/093950A1 |
The invention relates to an actuator, comprising an electric drive for converting electrical signals into mechanical forces and/or deflections, wherein the drive has at least one coil (16), through which the current of the electrical sig...
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WO/2023/095883A1 |
This acoustic matching layer contains: amorphous carbon; and, dispersed in the amorphous carbon, carbon particles and secondary particles having a higher density than the amorphous carbon.
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WO/2023/078137A1 |
Provided in the present invention are a preparation method for a groove having an arc-shaped base angle, and a preparation method for a MEMS microphone. A groove pattern in a photoresist layer can be accurately copied, by means of a plas...
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WO/2023/072595A1 |
The invention relates to a sensor device (200), comprising a sensor housing (210), which comprises: - a circuit carrier (330) comprising a microphone sensor (340); - a cover (220); and - a housing body (230), which has an interior (235);...
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WO/2023/070849A1 |
A pre-bending device (100), used for bending an eartip package piece (90). The pre-bending device (100) comprises a machine rack (10), a pressing mechanism (20) and a suction mechanism (30), wherein the machine rack (10) is provided with...
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WO/2023/066622A1 |
The approach presented here relates to a micromechanical element (100) for a microelectromechanical transducer, the micromechanical element (100) comprising a carrier layer (105) shaped as a bending beam or membrane, a first piezoelement...
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WO/2023/063370A1 |
Provided are a glass diaphragm having a structure allowing an exciter to be mechanically and stably fixed to the glass diaphragm, a method for manufacturing a glass diaphragm, a glass diaphragm with an exciter, a diaphragm for a vehicle,...
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WO/2023/060009A2 |
A speaker device (101, 201, 301) comprising a first diaphragm (103, 203, 303), an opposing second diaphragm (104, 204, 304), and a frame (102, 202, 302) comprising a first frame part (102a, 202a) on which the first diaphragm (103, 203, 3...
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WO/2023/045380A1 |
Disclosed in the present invention is a pressure maintaining apparatus for earphone shell flat cable assembling, comprising a shell positioning assembly and a pressure maintaining assembly. The pressure maintaining assembly comprises a p...
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WO/2023/024336A1 |
Disclosed in the embodiments of the present application are an on-screen sound generation device and a display device. The on-screen sound generation device comprises a sound generation structure, which comprises a first electrode, an in...
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WO/2023/005269A1 |
A diaphragm, comprising a bracket, a vibrating wing, and a film thermally formed on the surfaces of the bracket and the vibrating wing. The bracket and the vibrating wing are formed by stamping a same metal plate. The vibrating wing is l...
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WO/2023/273751A1 |
A vibrating diaphragm for a sound generating device and the sound generating device. The vibrating diaphragm is obtained by adding a damping additive, a filler, a structure control agent, and a cross-linking agent into a base polymer, mi...
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WO/2023/273750A1 |
Disclosed are a diaphragm for a sound producing device, and a sound producing device. The diaphragm is obtained by adding a filler, a structure control agent, and a cross-linking agent into a base polymer and mixing same, and performing ...
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WO/2023/272496A1 |
The present application relates to a rear pole plate for a recording microphone, and a recording microphone, which relate to the field of acoustic-electric conversion. A surface of the rear pole plate facing a diaphragm is a spherical su...
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WO/2022/264654A1 |
A transducer comprising: a support having a cavity; a vibration film provided opposite the cavity and capable of vibrating in the opposite direction; a piezoelectric element of which at least a part is formed on the vibration film; and a...
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WO/2022/266090A1 |
A microelectromechanical (MEMS) transducer includes a substrate, a moveable electrode supported by the substrate, and a pair of fixed electrodes supported by the substrate, each fixed electrode of the pair of fixed electrodes being confi...
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WO/2022/262559A1 |
The present invention relates to a diaphragm applicable to a sound production device, a preparation method thereof, and a sound production device. The diaphragm applicable to a sound production device comprises at least one polyester-bas...
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WO/2022/257783A1 |
Disclosed in the present application are a vibrating diaphragm for a loudspeaker, a preparation method for a vibrating diaphragm for a loudspeaker, and a sound generating device. The vibrating diaphragm for a loudspeaker comprises an aqu...
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WO/2022/259745A1 |
This transducer includes: a support which has a cavity; a vibration membrane which is provided facing the cavity and which is capable of vibration in the facing direction; and a piezoelectric element at least part of which is formed on t...
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WO/2022/252178A1 |
Disclosed are a fin structure speaker and a method for forming same. The fin structure speaker comprises a surrounding frame and a plurality of speaker fins located in the surrounding frame. Each speaker fin comprises: a fin substrate; a...
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WO/2022/253136A1 |
The present invention relates to a foaming material and a preparation method therefor, a vibration plate, and a loudspeaker. In the present invention, a cyanate ester, bismaleimide and the like are used as host resins, a chemical foaming...
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WO/2022/253106A1 |
The present invention relates to a diaphragm applicable to sound generating devices, and a sound generating device. The diaphragm applicable to sound generating devices comprises a thermoplastic polyester elastomer film layer formed by m...
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