Matches 1 - 50 out of 121 1 2 3 >


Match Document Document Title
US20140037121 Microphone and Method to Position a Membrane Between Two Backplates  
A microphone includes two backplates. A membrane is located between the two backplates. A voltage source applies a first bias voltage to the membrane and the first backplate and applies a second...
US20150146906 MICROPHONE  
Provided is a microphone. The microphone includes a substrate including an acoustic chamber, a lower backplate disposed on the substrate, a diaphragm spaced apart from the lower backplate on the...
US20100322451 MEMS Microphone  
A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity. The housing includes a base and a sidewall extending perpendicularly from the base. A conductive case is...
US20110170729 MICROPHONE  
A microphone is disclosed. The microphone in accordance with an embodiment of the present invention includes a diaphragm, which is formed with first indentations on the surface thereof, and a back...
US20080137886 Microphone arrangement and method for production thereof  
A microphone arrangement comprises a stack arrangement (1) which comprises a first semiconductor body (10) having a microphone structure (13) and a second semiconductor body (80). The second...
US20130148837 MULTI-FUNCTIONAL MICROPHONE ASSEMBLY AND METHOD OF MANUFACTURING THE SAME  
A multi-functional microphone assembly that has a reduced number of components by installing circuit devices for additional functions in a printed circuit board (PCB) of a microphone so as to...
US20110123058 COMPOSITE MICROPHONE, MICROPHONE ASSEMBLY AND METHOD OF MANUFACTURING THOSE  
A composite microphone comprises a flexible and stretchable substrate (22, 122, 250, 350, 450) with a grid of flexible and stretchable first and second conductors (31a, . . . , 31e, 131a, 131g;...
US20150104056 Electret Condenser Microphone  
The electret condenser microphone according to the present invention includes an electret condenser microphone unit including a diaphragm and a fixed pole disposed opposite to the diaphragm; and a...
US20060140432 Waterproof microphone  
An anterior wall of a case has a central aperture and two discharge apertures extending from the central aperture. There is an anterior chamber inside the anterior wall. Moisture such as rain...
US20080025532 MICROPHONE CASE AND CONDENSER MICROPHONE  
A microphone case includes: a plastic basic frame including a space for housing an electro-acoustic transducing unit; a plastic substrate for closing an opening of the space, the plastic substrate...
US20080144876 SYSTEM FOR DETERMINING THE POSITION OF SOUND SOURCES  
A system determines the position of a sound source with a microphone in a fixed coordinate system. The microphone measures audio signals that are analyzed and processed to determine the position...
US20140169608 MICROPHONE ACTUATOR  
The present invention relates to a microphone actuator for fitting a microphone through the upper surface of a table such as that used in a boardroom. The microphone actuator comprises a stepper...
US20060083390 Microphone system having pressure-gradient capsules  
A microphone system may include a housing having a housing opening. Pressure-gradient capsules may be provided in the housing. The capsules may include a diaphragm and at least one sound entry...
US20060233412 Microphone apparatus for a hearing aid  
Hearing aids are to be further miniaturized and simplified in terms of their manufacture. Provision is made for this purpose for the microphone facility for a hearing aid to be manufactured from...
US20120114159 MICROPHONE AND MICROPHONE APPARATUS  
A microphone includes a microphone unit having a diaphragm, a fixed electrode and a FET as an impedance converter; a plug outputting audio signals output from the microphone unit; and a jack into...
US20090116675 MEMS DIAPHRAGM STRUCTURE AND METHOD FOR FORMING THE SAME  
A diaphragm (14) is formed using MEMS technology. The diaphragm (14) has a hinge structure, and at least one of a hinge upper corner portion and a hinge lower corner portion of the diaphragm (14)...
US20130051586 PIEZOELECTRIC MICROPHONE FABRICATED ON GLASS  
This disclosure provides systems, methods and apparatus for glass-encapsulated microphones. In one aspect, a glass-encapsulated microphone may include a glass substrate, an electromechanical...
US20120275634 MEMS MICROPHONE  
A microphone comprising a substrate, a transducer element that is mounted on a top side of the substrate, a covering layer that covers the transducer element and forms a seal with the top side of...
US20080101641 MINIATURE NON-DIRECTIONAL MICROPHONE  
A miniature microphone comprising a diaphragm compliantly suspended over an enclosed air volume having a vent port is provided, wherein an effective stiffness of the diaphragm with respect to...
US20110007925 Condenser microphone  
There is provided a condenser microphone in which electromagnetic shielding in the connecting part of a microphone capsule and a microphone main body is made more reliable. In the condenser...
US20140198942 MICROPHONE  
A back air room of a microphone unit can be enlarged and a model with a sound signal output switch can easily be diverted to a switchless model. A reed switch 16 is used as the sound signal output...
US20150230039 METHOD FOR MANUFACTURING A PLURALITY OF MICROPHONE STRUCTURES, MICROPHONE AND MOBILE DEVICE  
In various embodiments, a method for manufacturing microphone structures is provided. The method may include: Providing a substrate having a front side and a back side, the backside facing away...
US20050190944 Unidirectional condenser microphone unit  
The present invention provides a unidirectional condenser microphone unit that can suppress the occurrence of howling. In a unidirectional condenser microphone unit, a diaphragm 20 extended across...
US20090010472 Acoustical grille free from spit moisture maintains frequency to keep realistic and natural sounds  
An acoustical grille (1) secured to a top of a receiver (50) of microphone (5) with an annular ring (10) free from spit moisture installed to a rim of the acoustical grille (1) with grille shells...
US20110038497 Microphone Devices and Methods for Tuning Microphone Devices  
The present invention relates generally to microphone devices useful, for example, in hearing aid devices. The present invention relates more particularly to tunable microphone devices, and...
US20070160248 Micro acoustic transducer and manufacturing method therefor  
A micro acoustic transducer and manufacturing method are provided. Firstly, a substrate having one first and second cavities is provided. Then, a backplate with a plurality of acoustic holes is...
US20120213400 ACOUSTIC SENSOR AND MICROPHONE  
Provided is an acoustic sensor capable of improving an S/N ratio of a sensor without preventing reduction in size of the sensor. A back chamber 45 is vertically opened in a silicon substrate 42. A...
US20120189137 MICROPHONE UNIT, POCKET TRANSMITTER AND WIRELESS AUDIO SYSTEM  
There is provided a microphone unit for recording audio signals comprising an audio processing unit for processing the recorded audio signals, a detection unit for detecting metadata belonging to...
US20070189568 Elastomeric shield for miniature microphones  
An elastic shield comprising an acoustic channel having a sound inlet and a sound outlet, and a hollow portion being adapted to at least partly surround a miniature microphone, or alternatively,...
US20080219483 SMALL-FOOTPRINT MICROPHONE MODULE WITH SIGNAL PROCESSING FUNCTIONALITY  
An acoustic processing module receives an acoustic signal, and outputs an analog output signal. Microphone sensors are provided for generating a corresponding electrical signal in response to the...
US20090046883 SURFACE MICROMACHINED DIFFERENTIAL MICROPHONE  
A differential microphone having a perimeter slit formed around the microphone diaphragm that replaces the backside hole previously required in conventional silicon, micromachined microphones. The...
US20090129622 MEMS MICROPHONE MODULE AND MANUFACTURING PROCESS THEREOF  
A micro-electro-mechanical system (MEMS) microphone module and a manufacturing process thereof are described. A thickness of a transparent temporary cover plate temporarily disposed in a...
US20130177192 Vented Microphone Module  
A microphone module includes an outer housing and a microphone apparatus. The outer housing includes port that extends through the outer housing. The microphone apparatus is disposed in the outer...
US20100202649 Microphone Unit  
A microphone unit is provided with an electroacoustic conversion portion that includes a diaphragm vibrated by sound pressure and that converts the sound pressure into electrical signals and a...
US20110249853 ACOUSTIC ENERGY TRANSDUCER  
Illustrative acoustic transducers are provided. A monolithic semiconductor layer defines a plate, two or more flexible extensions and at least a portion of a support structure. Acoustic pressure...
US20050053254 Condenser microphone using space efficiently and having no characteristic variations  
According to the present invention, the horizontal sections of the components of the condenser microphone are formed in an elliptical or a running track shape while the area of a diaphragm...
US20080273736 Electrostatic microphone  
An electrostatic microphone has a capsule housing and a diaphragm, a rigid electrode, and an electrical circuit on a printed circuit board arranged in the capsule housing. The diaphragm is...
US20070064968 Microphone with irregular diaphragm  
A microphone is formed to have a diaphragm that is configured to improve signal to noise ratio. To that end, the microphone has a backplate having a hole therethrough, and a diaphragm movably...
US20060104470 Low profile microphone  
A low profile microphone includes a bottom plate adapted to be placed on a flat surface, a cover having holes through which sound waves are introduced and extending over the bottom plate, a...
US20070165898 Acoustic head structure of a microphone  
An acoustic head structure for a microphone is disclosed. It comprises a substrate, a sound-processing unit and an upper cap. The upper cap has a plurality of acoustic holes that are through-holes...
US20150163589 MICROPHONE DISRUPTION APPARATUS AND METHOD  
An apparatus for use with an electronic device having a microphone. The apparatus comprises a structure configured to detachably couple to the device, and a generator supported by the structure....
US20090285418 ACOUSTIC-ELECTRIC TRANSDUCER, ELECTRONIC DEVICE, METHOD, AND COMPUTER PROGRAM PRODUCT  
An acoustic-electric transducer for a microphone may include a cavity delimited by a wall and having an opening; a diaphragm having an outer boundary, said diaphragm extending across said opening...
US20110075863 Condenser Microphone  
There is provided a capacitor microphone comprising a microphone capsule (100), which has an at least partially electrically conductive diaphragm (110) and a counterelectrode (120) associated...
US20070189555 Electret condenser  
An electric condenser includes a fixed film 110 including a conductive film 118 to be an upper electrode, a vibrating film 112 including a lower electrode 104 and a silicon oxide film 105 to be an...
US20080031476 Silicon microphone with impact proof structure  
Improved impact proof capability of a silicon microphone sensing element is achieved with a stopper element that limits the maximum vibration of moveable parts. The stopper has a lower anchor...
US20100086164 MICROPHONE PACKAGE WITH MINIMUM FOOTPRINT SIZE AND THICKNESS  
A microphone package includes a carrier, a cap, an integrated circuit chip, and a microphone unit. The cap covers the carrier to form a storage space. The integrated circuit chip is disposed in...
US20060140431 Multielement microphone  
An improved microphone assembly (128) is provided for porting two microphones (240, 242) of an opposing pair used for beam forming through a single symmetric porting structure (244). The...
US20050207605 Microphone and method of producing a microphone  
A microphone has a substrate including an acoustically transparent substrate region, a lid with an acoustically transparent lid region, and a membrane which is held by a membrane carrier between...
US20130121504 MICROPHONE ARRAY WITH DAISY-CHAIN SUMMATION  
Microphone stages in a microphone array may be coupled together in a daisy chain. Each stage may include a microphone, an analog to digital converter, a decimation unit, a receiver, an adder, and...
US20080267431 Mems Microphone  
A microphone includes a first diaphragm and a second diaphragm coupled to the first diaphragm by a closed air volume. The first diaphragm and the second diaphragm each constitutes a piezoelectric...

Matches 1 - 50 out of 121 1 2 3 >