Matches 1 - 27 out of 27


Match Document Document Title
US20150189443 Silicon Condenser Microphone  
A silicon condenser microphone is disclosed. The silicon condenser microphone includes a substrate having a top surface, a lower surface opposed to the top surface, and a recess concave from the...
US20150189444 MEMS Microphone  
Disclosed is MEMS microphone. The MEMS microphone includes a substrate and a capacitor system disposed on the substrate. The capacitor system has a back plate, a diaphragm, an insulating space...
US20150215706 MEMS MICROPHONE  
Mechanical resonating structures, as well as related devices and methods of manufacture. The mechanical resonating structures can be microphones, each including a diaphragm and a piezoelectric...
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...
US20120269366 RIBBON MICROPHONE  
To suppress the transverse displacement of a ribbon due to an impact to a level smaller than that achieved by electromagnetic damping. The switch 150 breaks a path between the piezoelectric...
US20090084182 MICROMECHANICAL SENSOR ELEMENT  
A micromechanical sensor element (1) is provided, which has a sealed diaphragm (2) affixed in a frame (3), exhibits high sensitivity at high overload resistance and has a small size, and which...
US20090052699 MICROPHONE COMPONENT AND A METHOD FOR ITS MANUFACTURE  
A microphone component that may be used in many types of enclosures for making contact with a living body for picking up body sounds. Piezoelectric transflexural diaphragm elements (3, 5, 6) are...
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...
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...
US20150117680 ACOUSTIC SENSOR  
Provided are an acoustic sensor and a method of manufacturing the same. The acoustic sensor includes a substrate including an acoustic chamber, a first hole, and a second hole, penetrating the...
US20150131819 MICROPHONE PACKAGE AND METHOD FOR GENERATING A MICROPHONE SIGNAL  
A microphone package for providing a modified microphone signal includes a microphone and an equalizer device coupled to the microphone.
US20090129611 Microphone Membrane And Microphone Comprising The Same  
The invention relates to a microphone membrane (M1) comprising two piezoelectric layers (PS1, PS2) with c-axes oriented in the same direction. A first electroconductive surface (E11) is formed in...
US20130329920 PIEZOELECTRIC MEMS MICROPHONE  
A piezoelectric MEMS microphone comprising a multi-layer sensor that includes at least one piezoelectric layer between two electrode layers, with the sensor being dimensioned such that it provides...
US20070253582 Transducer assembly  
Transducer assemblies and methods of replacing having a housing, a removable diaphragm, and a sealing diaphragm. The transducer assembly may be used with a spool piece to prevent fluid from...
US20090154734 METHOD FOR FABRICATING MICRO SPEAKER AND MICRO SPEAKER FABRICATED BY THE SAME  
A method for fabricating a micro speaker is provided, including forming a package wafer and a device wafer by batch processing, bonding the package wafer and the device wafer to each other, and...
US20150215707 PBLG BASED PLANAR MICROPHONES  
A piezoelectric, poly (γ-benzyl-α,L-glutamate) (“PBLG”) planar microphone, and method for construction thereof, are disclosed. The microphone includes at least a polyester film, a piezoelectric,...
US20140369534 SOUND PICKUP SYSTEM AND TERMINAL DEVICE USING THE SAME  
A sound pickup system is disclosed. The sound pickup system includes a screen, an accelerometer attached to the screen, and a pre-processing module electrically connecting with the accelerometer....
US20140294209 EMBEDDED DIELECTRIC AS A BARRIER IN AN ACOUSTIC DEVICE AND METHOD OF MANUFACTURE  
A microphone base includes a plurality of metal layers and a plurality of core layers. Each of the plurality of core layers is disposed between selected ones of the metal layers. A dielectric...
US20050147264 Piezoelectric speaker  
A piezoelectric speaker has a body, a reflective cover and a lower cover so as to increase durability and generate effective sound waves. A piezoelectric speaker has a body having a bottom portion...
US20170006381 MICRO-ELECTROMECHANICAL SOUND TRANSDUCER WITH SOUND ENERGY-REFLECTING INTERLAYER  
A MEMS sound transducer for at least one of generating and detecting sound waves in air in an audible wavelength spectrum includes a carrier substrate, a cavity defined in the carrier substrate,...
US20160219375 Multi-mode Microphones  
In some embodiments, a sensor system may include a deformable structure and a sensing element. The deformable structure may include at least one layer of piezoelectric material and at least one...
US20160219374 Multi-mode Microphones  
In some embodiments, a sensor system may include a deformable structure and a sensing element. The deformable structure may include at least one layer of piezoelectric material and at least one...
US20160150321 MICRO PHONE AND METHOD OF MANUFACTURING THE SAME  
A microphone and method of manufacturing the microphone are provided. The method includes forming a first and second oxide film at an upper side and lower side of a substrate and sequentially...
US20160142828 MICRO PHONE SENSOR  
A microphone, that increases sensitivity without a separate circuit is provided. The microphone includes an audio detection module having a vibration film that outputs capacitance signals by...
US20160088401 MICROPHONE AND METHOD OF MANUFACTURING THE SAME  
A microphone and method of manufacturing the microphone are provided. The microphone includes a substrate that has a penetration aperture, a vibration film disposed on the substrate that covers...
US20160033793 TRANSPARENT LENS MICROPHONE  
A transparent lens microphone comprises (a) a refractive eyeglass lens; (b) a sound sensitive coating on an outer surface of the refractive lens; and (c) electrical contacts connected to the sound...
US20150266723 DIFFERENTIAL SENSING ACOUSTIC SENSOR  
A MEMS device includes a first plate coupled to a second plate and a fixed third plate formed on a first substrate. The first and second plates are displaced in the presence of an acoustic...

Matches 1 - 27 out of 27