Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 6,345

Document Document Title
WO/2018/128673A1
An improved compact electroacoustic transducer and loudspeaker system. The electroacoustic transducer (or array of electroacoustic transducers) can generate the desired sound by the use of pressurized airflow. The electroacoustic transdu...  
WO/2018/129562A1
An integrated transparent ultrasonic audio speaker and touchscreen panel, includes a first transparent layer comprising a first base layer and a first conductive layer; and a second transparent layer disposed adjacent the first transpare...  
WO/2018/128072A1
The present invention provides a capacitive micromachined ultrasonic transducer (CMUT) capable of achieving both high frequency vibration of a membrane and low voltage operation. The CMUT has: a lower electrode (12) formed on a substrate...  
WO/2018/126832A1
Disclosed are a condenser microphone with mutually switched bi-directional and non-directional functions, and an electronic device, which relate to the technical field of microphone structures. In the condenser microphone and the electro...  
WO/2018/121701A1
An electrostatic speaker structure, comprising a tensioned diaphragm and two plates with openings, a conductive electrode layer being formed on both plates, characterized in that: the plate comprises a metal mesh grid and a ring-shaped r...  
WO/2018/125839A1
A microelectromechanical system (MEMS) includes a diaphragm with a first surface and a second surface. The first surface is exposed to an environmental pressure. The second surface comprises a plurality of fingers extending from the seco...  
WO/2018/117525A1
Disclosed is an audio reception apparatus utilizing a current converter, the audio reception apparatus being capable of converting current corresponding to an audio signal outputted by a microphone to voltage, and of eliminating noise co...  
WO/2018/110878A1
The present invention relates to a microphone having a horizontal tensile structure and a method for manufacturing the microphone, comprises a membrane comprising a driving electrode and a back plate comprising a fixed electrode, and the...  
WO/2018/108754A1
The present invention relates to an acoustic microelectronic device comprising a carrier (1), a set of at least one membrane (3) suspended on one side (21) of the carrier (1) above a cavity via an anchoring zone (31), and at least one ac...  
WO/2018/108482A1
The invention relates to a MEMS microphone having good acoustic properties and a reduced failure probability due to faulty electrical connections. For this purpose, the microphone has a channel that connects a sound opening to a MEMS chi...  
WO/2018/106513A1
A microelectromechanical system (MEMS) device includes at least one substrate, a lid, a MEMS component, a sensor, and a power supply. The lid is coupled to the substrate so that the substrate and the lid cooperatively define an interior ...  
WO/2018/103208A1
Disclosed in the present invention are an MEMS microphone chip, and MEMS microphone. The microphone chip comprises a substrate, a back electrode, and a vibration diaphragm. The back electrode and vibration diaphragm respectively form two...  
WO/2018/106514A1
This disclosure provides methods, systems, and apparatuses, for a microelectromechanical (MEMS) acoustic microphone circuit. In particular, the circuit includes a high pass filter formed by a combination of a capacitive microphone and a ...  
WO/2018/102293A1
A MEMS may include a backplate comprising first and second electrodes electrically isolated from one another and mechanically coupled to the backplate in a fixed relationship relative to the backplate, and a diaphragm configured to mecha...  
WO/2018/100373A1
A MEMS transducer comprising: a flexible membrane, the flexible membrane comprising a first membrane electrode; a back plate, the back plate comprising a first back plate electrode; wherein the back plate is supported in a spaced relatio...  
WO/2018/102291A1
A MEMS microphone may include a backplate comprising first and second electrodes electrically isolated from one another and mechanically coupled to the backplate in a fixed relationship relative to the backplate and a diaphragm configure...  
WO/2018/094963A1
Provided are a micro-silicon microphone and a manufacturing method thereof for solving a technical problem in which sensitivity and a manufacturing process of a micro-silicon microphone are affected by stress of the micro-silicon microph...  
WO/2018/097086A1
Provided is an electrostatic type transducer (1) in which an electrostatic type unit (10) is formed so as to be flat and wound into a roll, from a first laminate sheet (110) and a second laminate sheet (120). The first laminate sheet (11...  
WO/2018/096130A1
A MEMS transducer system includes a MEMS transducer device for sensing at least one of pressure signal or acoustic signal. The MEMS transducer device includes first and second diaphragms. Formed between the diaphragms are a spacer, plate...  
WO/2018/091690A1
A microphone system includes first diaphragm element, second diaphragm element spaced apart from the first diaphragm element and connected to the first diaphragm element via a spacer. Disposed between the diaphragm elements is a plate ca...  
WO/2018/091644A1
A system includes a pressure sensor combined with a MEMS microphone. The pressure sensor and the MEMS microphone arranged side by side are formed on a same substrate.  
WO/2018/090343A1
Disclosed are a microphone, and a method and device for audio processing for improving sound receiving and processing quality. The microphone comprises: a first sound sensor (101) for receiving sound signals in a first sound pressure lev...  
WO/2018/089352A2
Methods and systems for synchronizing audio streams. The method includes tagging a first presentation time to a frame buffer of a first audio stream and a second presentation time to a frame buffer of a second audio stream. The second au...  
WO/2018/079145A1
Provided is an electrostatic transducer (1) which is small in size and has a large electrostatic capacitance, while having a durable constituent part of a conduction path, said constituent part being connected to an electrode. This elect...  
WO/2018/074674A1
In order to solve problems with an audio device that is difficult to machine and has an increased amount of wiring, the present invention provides an audio output device comprising: a first electrode layer including a plurality of rows o...  
WO/2018/065717A1
Electromechanical pressure sensor system, in particular microphone type, comprising: an electromechanical transducer, signal processing means, a substrate (1) for receiving at least one support (20, 30) of the electromechanical transduce...  
WO/2018/064803A1
The present invention discloses a MEMS microphone device and an electronics apparatus. The MEMS microphone device comprises: a substrate; a MEMS microphone element placed on the substrate; a cover encapsulating the MEMS microphone elemen...  
WO/2018/061395A1
This ultrasonic transducer has: a hollow section 110, which is formed between insulating films 104, 106 sandwiched between a lower electrode 103 and an upper electrode 107 that are formed on a substrate 101; and a membrane 120 comprising...  
WO/2018/061991A1
Provided are: a resin material for an acoustic wave probe, the resin material containing a polymer having (a) a structural unit having a specific polysiloxane bond and (b) at least one type of a structural unit having a specific partial ...  
WO/2018/052584A1
A microphone can include a cover having a series of slits and a nest. The nest can be configured to receive a first diaphragm, a second diaphragm, and a PCB in a stacked arrangement, such that the PCB is positioned between the first diap...  
WO/2018/041444A1
The invention relates to a method for producing a micromechanical sensor (100), comprising the following steps: providing an MEMS wafer (10) having an MEMS substrate (1), wherein a defined number of etched trenches is formed in the MEMS ...  
WO/2018/035669A1
A capacitive MEMS microphone (20,30,43) and an electronic apparatus are provided. The capacitive MEMS microphone (20,30,43) comprises: a diaphragm (21,31); and a substrate (24,34), wherein a cavity (23,33) is formed between the diaphragm...  
WO/2018/037205A1
The application describes a MEMS transducer comprising a layer of conductive material provided on a surface of a layer of membrane material. The layer of conductive material comprises first and second regions, wherein the thickness and/o...  
WO/2018/032466A1
An electret condenser microphone is provided. The electret condenser microphone comprises a diaphragm, a backplate with a metal layer on the side facing the diaphragm and an amplifier on the other side, the input of the amplifier electri...  
WO/2018/020214A1
The application describes MEMS transducers comprising a flexible membrane layer supported in a fixed relation relative to a substrate along at least one supporting edge, wherein a plurality of slits are provided through the membrane laye...  
WO/2018/020213A1
The application describes a MEMS transducer in which first and second conductive elements of a capacitor are both provided on the membrane. The membrane is shaped that the first and second conductive elements are displaced relative to ea...  
WO/2018/021096A1
Provided are a thin microphone, a packaging method to be used in manufacturing the microphone, and an electronic device. Microphones 1, 1A, 1B, 1C, 1D, 1E, 2, 3, and 4 are each provided with: a die 11 on which a transducer is mounted; a ...  
WO/2018/022209A1
Methods and devices are provided for a wireless microphone network whereby robustness for reception of audio information transmitted by one or more wireless microphones is enhanced. The system incorporates a dual stage network approach f...  
WO/2018/022773A1
Systems, apparatuses, and methods for manufacturing a microelectromechanical system (MEMS) device. The MEMS device includes a substrate, a cap, a microelectromechanical component, and a tag. The substrate defines a port. The cap is coupl...  
WO/2018/018002A1
A microphone assembly includes an acoustic transducer element configured to convert sound into a microphone signal in accordance with a transducer frequency response including a first highpass cut-off frequency. The microphone assembly a...  
WO/2018/010065A1
A condenser MEMS microphone comprises: a substrate (32); a bottom plate (12) placed on the substrate (32); and a top plate (11) placed above the bottom plate (12) and spaced from the bottom plate (12), wherein the top plate (11) is torsi...  
WO/2018/013571A1
An integrated circuit includes a first amplifier and a second amplifier. A first impedance matching circuit is coupled to the first amplifier, a first charge pump, and a single MEMS transducer. A second impedance matching circuit is coup...  
WO/2018/012448A1
A microphone unit having a microphone body built in a housing, the microphone unit detecting a sound entering the inside of the housing from a sound hole in the housing with the microphone body. An optical detector that detects light ent...  
WO/2018/008181A1
The present invention relates to an electrostatic capacitance type sensor manufactured using MEMS technology, and provides a technique which enables a high SN ratio to be obtained, and which enables an increase in resistance to input pre...  
WO/2018/009308A1
A microphone includes a microelectromechanical system (MEMS) die configured to sense an acoustic signal, a base, and a lid. The base has a top surface and a bottom surface. The bottom surface includes a first electrical pad and a second ...  
WO/2018/002595A1
The present application describes MEMS transducer having a membrane and a membrane electrode. The membrane and membrane electrode form a two-layer structure. The membrane electrode is in the form of a lattice of conductive material. The ...  
WO/2018/002566A1
The application describes MEMS transducer structures- comprising a membrane structure having a flexible membrane layer and at least one electrode layer. The electrode layer is spaced from the flexible membrane layer such that at least on...  
WO/2018/002565A1
A MEMS transducer structure comprises a substrate comprising a cavity. A membrane layer is supported relative to the substrate to provide a flexible membrane. A peripheral edge of the cavity defines at least one perimeter region that is ...  
WO/2018/005525A1
Pump systems having electrically conductive membranes are described. In embodiments of the invention, the electrically conductive membranes can be utilized as speakers to produce ultrasonic and audible sounds. The electrically conductive...  
WO/2018/002567A1
The application describes MEMS transducers comprising a flexible membrane supported at a supporting edge relative to a substrate and further comprising one or more unbound edges. The shape of the unbound edge is selected so that the flex...  

Matches 1 - 50 out of 6,345