Matches 1 - 50 out of 91 1 2 >


Match Document Document Title
US20070025571 Electret Condenser Microphone  
An electret condenser microphone includes a housing, a diaphragm disposed within the housing, first and second sound inlet ports and an acoustic resistive material disposed within the housing and...
US20070201710 CONDENSER MICROPHONE  
A condenser microphone includes a support, a plate having a fixed electrode bridged across the supports, a diaphragm, which has a moving electrode at a center portion thereof and which vibrates...
US20110116661 SHIELD CASE AND MEMS MICROPHONE HAVING IT  
To provide a shield case and an MEMS microphone having the shield case which can secure on a top plate the minimum distance for adhering with a gasket in a view point of airtightness. The shield...
US20070121972 CAPACITOR MICROPHONE AND DIAPHRAGM THEREFOR  
In a capacitor microphone, a diaphragm is positioned opposite to a fixed electrode for covering inner holes of a ring-shaped support, wherein when the diaphragm is deflected to approach the fixed...
US20080170727 ACOUSTIC SUBSTRATE  
A micromachined microphone or speaker embedded within, or positioned on top of, a substrate suitable for carrying microelectronic chips and components. The acoustic element converts sound energy...
US20100002895 CONDENSER MICROPHONE AND MEMS DEVICE  
An air gap is formed between a first film having a first electrode film and a second film having a second electrode film. The first film has a stopper protruding toward the second film, and a...
US20160066095 Embedded Dielectric As A Barrier In An Acoustic Device And Method Of Manufacture  
A base assembly for an acoustic transducer includes a first substrate with an acoustic port and a dielectric layer having a substantially uniform initial density. One surface of the dielectric...
US20120057729 MEMS MICROPHONE PACKAGE  
A microelectromechanical system microphone package has at least one sensitive diaphragm provided in the front side of a microphone component. The microphone component and a cap wafer are connected...
US20080019543 Silicon microphone and manufacturing method therefor  
In a silicon microphone, a corrugation is formed in a conductive layer between a center portion forming a diaphragm and a periphery, wherein the corrugation is formed on an imaginary line...
US20130028450 LID, FABRICATING METHOD THEREOF, AND MEMS PACKAGE MADE THEREBY  
A lid for a MEMS device and the relative manufacturing method. The lid includes: a first board with opposite first and second surfaces having first and second metal layers disposed thereon,...
US20150117681 Acoustic Assembly and Method of Manufacturing The Same  
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....
US20140007693 CAPACITIVE TRANSDUCER  
Provided is a capacitive transducer including an element including a plurality of cells: each of the plurality of cells including: a first electrode; and a vibrating film including a second...
US20140146982 Electronic Devices and Accessories with Media Streaming Control Features  
An electronic device may play audio content to a user through a pair of earphones. The audio content may be content that is stored locally on the electronic device or may be streaming content that...
US20080219482 Condenser microphone  
An electroacoustic transducer includes a condenser microphone, which includes a package having a cavity and a through-hole, a plate whose thickness is thinner than the length of the through-hole...
US20100080405 SILICON CONDENSER MICROPHONE PACKAGE  
A silicon condenser microphone package includes a printed circuit board, a cover mounted on the printed circuit board, and a transducer unit and a controlling circuit both attached to the printed...
US20150296306 MEMS MOTORS HAVING INSULATED SUBSTRATES  
A microelectromechanical system (MEMS) die includes a substrate, an insulation layer disposed adjacent to the substrate, a diaphragm connected to the insulation layer, and a back plate connected...
US20080192963 Condenser microphone  
A condenser microphone 14 and an accelerometer 16 are placed on a device substrate 12 with arranging same sides in a same direction. Both condenser microphone 14 and accelerometer 16 are formed of...
US20060120544 Capacitor microphone unit and capacitor microphone  
A capacitor microphone unit which includes a diaphragm assembly constituted by a diaphragm and a diaphragm support, a fixed electrode facing with the diaphragm with a clearance and functioning as...
US20050253299 Method for manufacturing electroacoustic transducer diaphragm  
A method for manufacturing an electroacoustic transducer diaphragm of a multilayered structure which includes a first diaphragm layer made from a synthetic resin material and molded into a...
US20070025570 Condenser microphone  
A condenser microphone includes a condenser part in which a diaphragm is arranged opposed to a back plate, an impedance transformation element which transforms change in electrostatic capacitance...
US20060280320 Surface mountable electret condenser microphone  
Disclosed is an electret condenser microphone capable of surface mounting which has a structure highly resistant to high temperature. The electret condenser microphone comprises a case, a polar...
US20070104339 Electret condenser microphone  
An object of the present invention is to provide a digital-output electret condenser microphone capable of being soldered on a wiring substrate of an apparatus by using a reflow furnace. An...
US20080247572 Micro-Electro-Mechanical System (Mems) Capacitor Microphone and Method of Manufacturing Thereof  
The invention relates to a method of manufacturing a MEMS capacitor microphone and further to such MEMS capacitor microphone. With the method a MEMS capacitor microphone can be manufactured by...
US20080123876 ELECTROSTATIC PRESSURE TRANSDUCER AND MANUFACTURING METHOD THEREFOR  
An electrostatic pressure transducer (e.g., a condenser microphone) includes a plate having a plurality of holes and forming a fixed electrode, a diaphragm forming a vibrating electrode, at lease...
US20120328132 Perforated Miniature Silicon Microphone  
This invention relates to a miniature silicon capacitive microphone having a perforated backplate supported on a substrate, a shallowly corrugated and perforated diaphragm that is suspended above...
US20170183218 TRAPPED MEMBRANE  
A MEMS trapped membrane. The MEMS trapped membrane includes a first layer and a second structure. The first layer has an outer section and an inner membrane. The outer section and inner membrane...
US20060188112 Condenser microphone and method for manufacturing the same  
A condenser microphone in accordance with the present invention comprises a casing having an open end portion; a diaphragm inserted in the casing; a spacer inserted in the casing; a fixed...
US20070058826 Condenser microphone  
A microphone element having a diaphragm and a fixed electrode disposed opposite to each other on a silicon board having a central opening portion is mounted and fixed onto a base board having a...
US20050253298 Method for manufacturing electroacoustic transducer diaphragm  
A method for manufacturing an electroacoustic transducer diaphragm of a multilayered structure which includes a first diaphragm layer made from a synthetic resin material and molded into a...
US20160238630 MEMS TILT SENSOR  
An acoustic sensor includes a back plate; at least one back plate electrode coupled to the back plate; a proof of mass with the proof of mass elastically coupled to the back plate; and a proof of...
US20090060232 Condenser microphone  
A condenser microphone includes a substrate having an opening in a back cavity, a diaphragm including a center portion and a plurality of arms extended in the radial direction from the center...
US20150382091 MICROPHONE  
There is provided a microphone including: a diaphragm; a support part supporting diaphragm; and a connection part connecting the diaphragm to the support part so that the diaphragm is...
US20150296305 OPTIMIZED BACK PLATE USED IN ACOUSTIC DEVICES  
An electrode apparatus of a back plate that is used in a microelectromechanical system (MEMS) microphone is disposed in spaced proximity to a diaphragm. The electrode apparatus includes a support...
US20100166235 SILICON CONDENSER MICROPHONE  
A silicon condenser microphone includes a silicon substrate defining an opening, a diaphragm supported above the substrate, a backplate opposite to the diaphragm for forming a capacitor together...
US20070230722 Condenser microphone  
An electret condenser microphone (ECM) forms an air-gap capacitor structure in which an upper electrode and a lower electrode are opposed to each other with its hollow portion interposed...
US20090129612 ELECTRETIZATION METHOD OF CONDENSER MICROPHONE, ELECTRETIZATION APPARATUS, AND MANUFACTURING METHOD OF CONDENSER MICROPHONE USING IT  
A new electretization technology for a silicon microphone capable of reasonably electretizing a dielectric film of a condenser microphone formed by micromachining a silicon substrate and also...
US20090141913 MICROELECTROMECHANICAL SYSTEM  
A microelectromechanical system comprises a carrier substrate. A semiconductor chip is fitted in the carrier substrate or on the carrier substrate. In addition, a microelectromechanical component...
US20060256984 Dual base of an electret condenser microphone and electret condenser microphone using the same  
The present invention describes an electret condenser microphone having a dual base structure wherein a metal ring and an insulation ring are bonded. The electret condenser microphone includes a...
US20160112801 MICROPHONE AND METHOD OF MANUFACTURING THE SAME  
A microphone and a method of manufacturing thereof are provided. The microphon includes a substrate that includes a penetration aperture, a vibration membrane disposed over the substrate and...
US20070237345 METHOD FOR REDUCING PHASE VARIATION OF SIGNALS GENERATED BY ELECTRET CONDENSER MICROPHONES  
The invention provides a method for reducing phase variation of a signal generated by an electret condenser microphone. An error of a capacitance of the electret condenser microphone is reduced....
US20110311081 MEMS MICROPHONE AND MANUFACTURING METHOD THEREOF  
A micro electro mechanical system (MEMS) microphone capable of preventing a membrane and a back plate from being contacting each other by an overvoltage, an external shock, and the like, and a...
US20090185700 Vibration transducer and manufacturing method therefor  
A vibration transducer (or a pressure transducer) is constituted of a cover, a plate, a diaphragm, and a substrate having a back cavity. The diaphragm is positioned above the substrate so as to...
US20070189556 Condenser microphone and method of producing the same  
A condenser microphone with a novel structure has a stack of an electronic circuit board (16a), a backplate substrate (13a) having a backplate (14), a spacer (10a), and a diaphragm support frame...
US20160007119 Diaphragm Stiffener  
A diaphragm for deployment in a micro electro mechanical system (MEMS) microphone includes a base portion. The base portion is generally planar and has a first side and a second side. One or more...
US20140254835 Packaged Microphone System with a Permanent Magnet  
A microphone structure has a lid forming an interior chamber. The lid includes a permanent magnet for forming a permanent magnetic field. The microphone structure includes an aperture for...
US20110013787 MEMS MICROPHONE PACKAGE AND MEHTOD FOR MAKING SAME  
An exemplary micro-electro-mechanical systems (MEMS) microphone package includes a first substrate, a second substrate opposite to the first substrate, and a microphone chip disposed on the second...
US20110235829 DIAPHRAGM AND SILICON CONDENSER MICROPHONE USING SAME  
Disclosed is a diaphragm includes a vibrating member, a plurality of supporting members extending from a periphery of the vibrating member along a direction away from a center of the diaphragm,...
US20100119087 MEMS MICROPHONE DEVICE  
The invention provides a MEMS microphone device capable of improving the S/N ratio of output signals in the MEMS microphone and obtaining flat frequency characteristics up to a high range, for...
US20080247573 Miniature capacitive acoustic sensor with stress-relieved actively clamped diaphragm  
An acoustic sensor is disclosed which can be fabricated on a single chip with an electronic detection circuit by modular integration of the fabrication processes. An advantage of the disclosed...
US20090136064 Vibration transducer and manufacturing method therefor  
A vibration transducer is constituted of a substrate, a diaphragm having a conductive property, a plate having a conductive property, and a plurality of first spacers having pillar shapes which...

Matches 1 - 50 out of 91 1 2 >