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Patent Searching and Data


Matches 401 - 450 out of 5,283

Document Document Title
WO/2020/000691A1
Provided in an embodiment of the present invention are an electret (21)-based microphone, an acoustic vibration detection device, and a racing remote control car. The electret (21)-based microphone provided in the embodiment of the prese...  
WO/2020/000649A1
An MEMS condenser microphone, comprising a first substrate (1) and a vibration diaphragm (2) supported above the first substrate (1) by means of a spacing portion (3), the first substrate (1), the spacing portion (3) and the vibration di...  
WO/2020/000651A1
Provided is a MEMS microphone, comprising a first substrate (1) and a diaphragm (2) supported on the first substrate (1) by means of a partition (3). The first substrate (1), the partition (3), and the diaphragm (2) enclose and form a va...  
WO/2020/000647A1
Disclosed is a microphone. The microphone comprises a first substrate having an inner cavity with one end having an opening, and further comprises a vibrating diaphragm and at least one cantilever located on the first substrate and suspe...  
WO/2020/000594A1
Disclosed in the present invention are a vibration sensor and an audio device. The vibration sensor comprises: a housing, the housing being provided with an accommodating cavity, and an opening being formed on the accommodating cavity; a...  
WO/2020/000648A1
Disclosed is an MEMS microphone, comprising a substrate, and a diaphragm supported above the substrate by means of a spacer portion, with the substrate, the spacer portion and the diaphragm enclosing a vacuum cavity, wherein a static def...  
WO/2020/000650A1
An MEMS microphone, comprising a first substrate (1) and a vibrating diaphragm (2) supported at an upper portion of the first substrate (1) by means of a partition portion (3). The first substrate (1), the partition portion (3), and the ...  
WO/2019/233416A1
With the existence of digital technology being applied to a sound source device and a high-fidelity audio amplifier (the distortion≤0.02%), it is difficult for a moving-coil loudspeaker widely used at present to keep up with the loud...  
WO/2019/227805A1
An integrated structure of a MEMS microphone and an air pressure sensor, and a fabrication method for the integrated structure, the structure comprising a base substrate (100); a vibrating diaphragm (200), back pole (800), upper electrod...  
WO/2019/225773A1
The present invention relates to an improved ultrasound super-directional speaker system and a frequency modulation processing method therefor. Disclosed are an improved ultrasound super-directional speaker system and a frequency modulat...  
WO/2019/222106A1
A microphone assembly comprises a substrate and an enclosure disposed on the substrate. A port is defined in one of the substrate or the enclosure. An acoustic transducer is configured to generate an electrical signal in response to acou...  
WO/2019/218355A1
An audio device and a manufacturing method thereof are disclosed. The audio device comprises: a housing for containing at least one microphone, the housing comprises: an outer surface with at least one microphone inlet, wherein the micro...  
WO/2019/221116A1
This MEMS microphone comprises: a glass substrate (11) having an opening (11A); a membrane (13) provided on the glass substrate (11) to cover the opening (11A) and comprising a first conductive layer (13B); and a back plate (16) provided...  
WO/2019/222733A1
An improved compact electroacoustic transducer and loudspeaker system. The electroacoustic transducer (or array of electroacoustic transducers) can generate a desired sound by the use of pressurized airflow. The electroacoustic transduce...  
WO/2019/218697A1
Provided by the present invention are a net charge generating device and an electronic generator used for the net charge generating device, and further provided is a diaphragm for use in an electrostatic loudspeaker. In existing technolo...  
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/2019/209976A1
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...  

Matches 401 - 450 out of 5,283