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Matches 1 - 50 out of 6,610

Document Document Title
WO/2019/213422A1
Dipole audio speakers, and more particularly, voice controlled dipole audio speakers having at least one microphone located substantially along the null sound plane of the dipole audio speaker. An improved loudspeaker system that produce...  
WO/2019/208580A1
This laminate (50) is provided with: an electret film (A); an adhesive layer (B) provided on a part of at least one surface of the electret film (A); and an electrode layer (C) provided on the adhesive layer (B).  
WO/2019/183283A3
Microphones including a housing defining a cavity, a plurality of conductors positioned within the cavity, at least one dielectric bar positioned within the cavity, and a transducer diaphragm. The conductors are structured to move in res...  
WO/2019/209976A1
An acoustic device including a motor disposed in a housing having a non- porous elastomeric membrane disposed across an acoustic path defined by a sound port of the housing is disclosed. The motor may be embodied as MEMS transducer confi...  
WO/2019/197972A1
A capacitive sensor includes a sensor body having a cavity. The sensor body is non-electrically conductive. The sensor also includes a first diaphragm having a metallic conductor layer. The first diaphragm is arranged on the sensor body ...  
WO/2019/193118A1
A Microphone module (101) is disclosed which comprises a MEMS-microphone capsule (102), a PCB (103) and a sealing element (104), wherein the PCB (103) comprises on its top surface (108) a first groove (115) which opens at a first end (11...  
WO/2019/187547A1
The present invention is an audio device that has an acoustic sheet which is a thin film material having capacitive characteristics and which has a curved shape. The acoustic sheet has a first region that is actively driven by an input s...  
WO/2019/187197A1
An ultrasound probe according to the present invention has: a semiconductor chip (101) that has a CMUT (102) formed therein and that is provided with an electrode pad (101a) electrically connected to an upper electrode or a lower electro...  
WO/2019/190559A1
According to examples, an apparatus may include a chamber having a hole and a microphone unit. The microphone unit may include a first substrate having a first opening aligned with the hole of the chamber, a second substrate positioned w...  
WO/2019/179149A1
The present disclosure provides a microphone (40) installed inside a case (20), an electronic device (100) and a mobile terminal. The microphone (40) includes a housing (42); a vibrating membrane (44) set inside the housing (42), wherein...  
WO/2019/183283A2
Microphones including a housing defining a cavity, a plurality of conductors positioned within the cavity, at least one dielectric bar positioned within the cavity, and a transducer diaphragm. The conductors are structured to move in res...  
WO/2019/177122A1
The present invention provides technology that makes it possible to reduce the drive voltage of an electrostatic sound wave generation device or an electrostatic speaker and minimize power consumption. An electrostatic sound wave generat...  
WO/2019/177150A1
The present invention provides technology that makes it possible to improve the reliability of an electrostatic sound wave generation device by minimizing the occurrence of pull-in. An electrostatic sound wave generation device is provid...  
WO/2019/147607A1
A microphone assembly is provided, comprising a transducer assembly including a first enclosure defining a first acoustic volume and a Micro-Electrical-Mechanical-System ("MEMS") microphone transducer disposed within the first enclosure....  
WO/2019/140575A1
A speaker comprises a housing having an opening; a waterproof sound-transmission membrane disposed on the housing to cover the opening of the housing; a speaker unit housed in the housing, the speaker unit comprising a speaker having a d...  
WO/2019/135204A1
Some preferred embodiments include a microphone system for receiving sound waves. A radiation plate is clamped to a back plate resulting in a hermetically sealed regular convex polygon-, ellipse-, or regular convex elliptic polygon- shap...  
WO/2019/136032A1
This disclosure provides methods, systems, and apparatuses, for a microphone circuit. In particular, the circuit includes transducer that can sense pressure changes and generate an electrical signal having frequency components in a first...  
WO/2019/133644A1
A sensor device includes a base having a front surface and an opposing back surface. The base defines a bottom port extending between the front surface and the back surface. The sensor further includes a microelectromechanical systems (M...  
WO/2019/133645A1
Disclosed herein are related to various embodiments of a reconfigurable transducer assembly and a method of operating the same. The transducer assembly includes a transducer and an electrical circuit coupled to the transducer. The transd...  
WO/2019/133646A1
A micro-electromechanical system (MEMS) transducer assembly includes a transducer including a condenser microphone, an integrated circuit electrically connected to the transducer to receive an output voltage from the transducer, wherein ...  
WO/2019/129924A1
An apparatus (1) and electronic device (23), the apparatus comprising: a microphone arrangement (3); and a sensing arrangement (5) comprising two dimensional materia (17); wherein the microphone arrangement (3) is configured to transduce...  
WO/2019/125988A1
The present disclosure describes devices and methods for improving security of an audio signal generated by a microphone by encrypting the audio signal. In one aspect, a microphone assembly converts a sound into an encrypted audio signal...  
WO/2019/107558A1
Provided is a transducer that can be manufactured without using volatile adhesives or organic solvents, and in which electrical connections between electrode sheets and lead wires can be secured via a procedure other than soldering or we...  
WO/2019/107172A1
According to the present invention, a shield part (7), which electromagnetically shields at least a portion of an electric circuit (6), is configured to electromagnetically shield the at least a portion of the electric circuit by allowin...  
WO/2019/103206A1
A directional microphone of the present invention comprises a substrate, a first housing, a second housing, a MEMS transducer, and a signal processing element. In an embodiment of the present invention, the substrate may include a first ...  
WO/2019/097077A1
The charge pump (CP) comprises an input charge pump section (ICPS), a first output charge pump section (OCPS1) and a second output charge pump section (OCPS2). The input charge pump section (ICPS) comprises an input node (IN10), an outpu...  
WO/2019/099414A1
A sensor device includes a substrate having a front surface and an opposing back surface. The back surface defines an indented region having an indented surface. The substrate defines a bottom port extending between the front surface and...  
WO/2019/094515A1
A sound processing method and an interactive device are provided. The method includes determining a sound source position of a sound object relative to an interactive device based on a real-time image of the sound object; and performing ...  
WO/2019/083079A1
A microphone according to the present invention comprises: a substrate; a barrier; a plurality of diaphragms positioned in the same space; an upper backplate arranged on the substrate so as to be spaced apart from the plurality of diaphr...  
WO/2019/082021A1
In a subcutaneous microphone used in medical devices, a structure is introduced that constrains the motion of the diaphragm during normal operation of the microphone. In one embodiment, a raised portion, such as a pole or pillar is place...  
WO/2019/078532A1
The present invention relates to a MEMS microphone for preventing damage caused by sound pressure. The MEMS microphone has a sound inlet part, which is connected between a substrate having a partially opened opening and a MEMS transducer...  
WO/2019/078862A1
A Microelectromechanical system (MEMS) microphone comprises a base unit and a driving system disposed on the base unit. The driving system comprises a first diaphragm, a second diaphragm spaced apart from the first diaphragm, and a comb ...  
WO/2019/078567A1
A semiconductor apparatus according to relevant technology comprises: an analog-to-digital converter for converting an input signal into a digital signal; a signal processing unit for processing the digital signal under the influence of ...  
WO/2019/074238A1
Various embodiments of the present invention relate to a microphone, an electronic apparatus including the microphone and a method for controlling the microphone, the electronic apparatus comprising: a substrate comprising a first hole a...  
WO/2019/061178A1
A voice processing apparatus, method and electronic device, the apparatus comprising: a microphone Mic (301) and a digital signal processing DSP chip (303); the microphone Mic (301) is disposed on a motherboard of an electronic device, a...  
WO/2019/061618A1
The present invention provides a condenser microphone, comprising a substrate, a back plate provided on the substrate, and a diaphragm; the back plate is provided on the upper side and/or the lower side of the diaphragm; and a protruding...  
WO/2019/065960A1
Provided is a transducer that can be manufactured without using a volatile adhesive or an organic solvent. A transducer 1 is provided with: a first electrode sheet 21 provided with a plurality of first through-holes 21a; a dielectric lay...  
WO/2019/060599A1
A micro electro mechanical system (MEMS) microphone includes a base including a port extending through the base, a shim assembly, an ingress protection element, and a MEMS device. The shim assembly is disposed on the base and over the po...  
WO/2019/060021A1
A MEMS microphone includes a substrate, a lower membrane supported on the substrate, an upper membrane suspended above the lower membrane, a first electrode supported on the lower membrane, and a second electrode supported on the upper m...  
WO/2019/055858A1
A microphone assembly includes an acoustic transducer having a back plate and a diaphragm, such that a surface of the back plate includes a plurality of holes. At least a portion of the plurality of holes are arranged in a non-uniform pa...  
WO/2019/051952A1
Disclosed are a microelectromechanical system microphone and an acoustic device comprising the microelectromechanical system microphone. The microelectromechanical system microphone comprises a microphone body (1), a sound guide tube (2)...  
WO/2019/055437A1
A microphone includes a substrate defining an embedded cavity between a first surface of the substrate and an opposing second surface of the substrate, the first surface defining a first opening into the embedded cavity, a distance betwe...  
WO/2019/055544A1
The two-way communication system comprises a non-invasive and non-implanted system which allows for clear two-way communications. This system is generally comprised of a mouthpiece component, relay component, infrastructure communication...  
WO/2019/051211A1
A digital microphone device includes circuitry that can reduce the risk of noise caused due to an idle tone frequency component in a digital signal output by the digital microphone device. In stereo mode and other applications where inte...  
WO/2019/033854A1
A differential condenser microphone with double vibrating membranes, comprising: a backplate; a first vibrating membrane supported on a first surface of the backplate in an insulating manner, wherein the backplate and the first vibrating...  
WO/2019/035534A1
A MEMS audio device can comprise: a substrate; a diaphragm supported on the substrate and modified by a sound wave provided from the outside; and a fixed plate including a plurality of through holes, and arranged to face the diaphragm so...  
WO/2019/025867A1
Disclosed examples generally include methods and apparatuses related to microphone units, such as may be found in implantable medical devices (e.g., cochlear implants). Microphone units generally include a microphone element connected to...  
WO/2019/023409A1
A microelectromechanical system (MEMS) motor includes a substrate, a backplate, and a diaphragm. The substrate has a first surface and a second surface. The second surface has a slot that extends at least partially into the substrate. A ...  
WO/2018/215669A3
A micromechanical acoustic transducer comprises, according to a first aspect, a first bender transducer with a free end and a second bender transducer with a free end which are situated in a common plane, wherein the free end of the firs...  
WO/2019/011748A1
A MEMS sensor (1) with a media access opening (MO) in its carrier board (CB) is disclosed having an integrally filter mesh (MSH) closing the media access opening. The mesh may be applied in unstructured form over the whole surface of the...  

Matches 1 - 50 out of 6,610