Patents for H04R 19 - Electrostatic transducers (5,387) |
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10/03/2007 | CN101049045A Reduction of air damping in mems device |
10/03/2007 | CN101048017A Electretization method and apparatus |
10/03/2007 | CN101048016A Condenser microphone |
10/03/2007 | CN101048015A Condenser microphone circuit |
10/02/2007 | US7275298 Ultrasonic printed circuit board transducer |
09/27/2007 | WO2007107735A1 Mems device |
09/27/2007 | US20070223764 Wireless microphone |
09/27/2007 | DE102007004096A1 Kondensatormikrofon und Verfahren zum Herstellen desselben Of the same condenser microphone and methods for preparing |
09/27/2007 | DE102006012856A1 Micromechanical structure e.g. micromechanical capacitive transducer, for e.g. receiving acoustic signal, has electrodes and contact point for adjusting rigidity of attachment and exerting electrostatic force directly/indirectly on arm |
09/26/2007 | CN200953654Y Paster type digital signal electret capacitor microphone |
09/26/2007 | CN200953653Y Integral insulating diaphragm ring for capacitor microphone |
09/26/2007 | CN101044791A 硅麦克风 Silicon Microphone |
09/26/2007 | CN101044784A Microphone and method of manufacturing microphone |
09/20/2007 | US20070217635 Electret Condenser |
09/20/2007 | DE102006011545A1 Micromechanical combination unit for use in mobile telephone position-dependent display control, has inertia type and diaphragm type sensor devices formed on front side of substrate, where diaphragm type sensor device has diaphragm |
09/19/2007 | CN200950660Y Curved casing for capacitance microphone |
09/19/2007 | CN101039533A Method for manufacturing vibration diagram of electret microphone |
09/19/2007 | CN101039532A Reflow-resistance welding electret microphone PCB thickening solder pad and its manufacture method |
09/13/2007 | WO2007102056A1 Sound sponge for loudspeakers |
09/13/2007 | WO2007101462A1 Loudspeaker arrangement in a motor vehicle, and a method for driving the at least one loudspeaker |
09/12/2007 | CN200947674Y Minitype capacitor microphone |
09/12/2007 | CN200947673Y Skin touched capacitor vibrating pickups |
09/12/2007 | CN200947672Y 电容传声器 Condenser microphone |
09/12/2007 | CN101035395A Polarization process of the electret capacitance microphone |
09/11/2007 | US7269268 SMD type biased condenser microphone |
09/11/2007 | US7269267 Method of mounting condenser microphone on main PCB and condenser microphone adapted for the same |
09/07/2007 | WO2007100068A1 Condenser microphone |
09/07/2007 | WO2007100015A1 Electret capacitor type composite sensor |
09/07/2007 | WO2007099696A1 Ultrasonic vibrator and body cavity ultrasonograph having the ultrasonic vibrator |
09/07/2007 | WO2007098916A1 Loudspeaker arrangement in a motor vehicle, and a method for actuating the at least one loudspeaker |
09/06/2007 | DE102006045385A1 Lautsprecheranordnung in einem Kraftfahrzeug sowie ein Verfahren zur Ansteuerung des mindestens einen Lautsprechers Speaker arrangement in a motor vehicle and a method for controlling the at least one speaker |
09/05/2007 | EP1512215A4 Electroactive polymer devices for moving fluid |
09/05/2007 | CN200944665Y Paster-type electret capacitor microphone |
08/30/2007 | WO2007097520A1 Electret condenser microphone and assembling method thereof |
08/30/2007 | WO2007097519A1 Electret condenser microphone and assembling method thereof |
08/30/2007 | WO2007097472A1 Condenser microphone |
08/30/2007 | US20070202627 Silicon Condenser Microphone and Manufacturing Method |
08/30/2007 | US20070201715 Silicon Condenser Microphone and Manufacturing Method |
08/29/2007 | CN101027936A Function element and its manufacturing method, and electronic equipment using function element, and its manufacturing method |
08/29/2007 | CN101026902A Microelectromechanical acoustical sensor package structure |
08/29/2007 | CN100334921C Electret microphone |
08/23/2007 | US20070195983 Combination wind screen and microphone shock mount |
08/23/2007 | US20070193358 Capacity detection type sensor element |
08/22/2007 | EP1821570A1 Miniature silicon condenser microphone and method for producing same |
08/22/2007 | EP1493303B1 Microphone assembly with auxiliary analog input |
08/22/2007 | CN101022685A Condenser miniature silicon microphone and preparative method |
08/22/2007 | CN101022684A Modified microphone packaged structure |
08/22/2007 | CN101022683A Reflux-resisting welded digital electret microphone |
08/21/2007 | US7260230 High performance microphone and manufacturing method thereof |
08/21/2007 | US7259503 Electroactive polymers |
08/16/2007 | US20070189558 Electret condenser microphone |
08/16/2007 | US20070189555 Electret condenser |
08/15/2007 | EP1817937A1 Silicon microphone |
08/15/2007 | CN2935691Y 硅传声器 Silicon microphones |
08/15/2007 | CN101019464A Audio processing device with encapsulated electronic component. |
08/15/2007 | CN101018429A Capacitor micro silicon microphone and making method |
08/15/2007 | CN101018428A Capacitive micromachined ultrasound transducer and methods of making the same |
08/09/2007 | US20070183607 Directional listening device |
08/09/2007 | US20070181920 Manufacturing method for a semiconductor substrate comprising at least a buried cavity and devices formed with this method |
08/08/2007 | EP0775434B1 Acoustic transducer with improved low frequency response |
08/08/2007 | CN2932895Y A novel electret capacitor microphone |
08/08/2007 | CN2932894Y SMD capacitor-type electret microphone |
08/08/2007 | CN101014215A Condenser microphone and method of producing the same |
08/07/2007 | US7253016 Micromechanical capacitive transducer and method for producing the same |
08/02/2007 | WO2007086524A1 Electronic device and sound reproducing method |
08/02/2007 | US20070177752 Microphone apparatus with increased directivity |
08/02/2007 | DE102006004287A1 Micro mechanical structure used in microphones has rings of flexible electrode segments |
08/01/2007 | EP1813131A1 Hybrid speaker |
08/01/2007 | CN101010983A Silicon based condenser microphone and mounting method for the same |
07/26/2007 | WO2007083894A1 Condenser microphone for inserting in mainboard and potable communication device including the same |
07/26/2007 | WO2007082662A1 Mems sensor comprising a deformation-free back electrode |
07/25/2007 | CN2927580Y 半导体传声器芯片 Semiconductor chip microphone |
07/25/2007 | CN101006748A Silicon condenser microphone and manufacturing method |
07/25/2007 | CN101005718A Micro acoustic sensor and its producing method |
07/19/2007 | WO2007081504A1 Integrated microphone |
07/19/2007 | US20070165897 Electronic apparatus |
07/19/2007 | US20070164641 Electroactive polymer devices for moving fluid |
07/19/2007 | US20070164632 Capacitive ultrasonic transducer, production method thereof, and capacitive ultrasonic probe |
07/19/2007 | US20070164631 Capacitive micromachined ultrasonic transducer |
07/19/2007 | DE102006002106A1 Micromechanical sensor, has diaphragm and counter unit, where hollow space is arranged between diaphragm and unit, where unit has perforation openings that comprise inhomogeneous surface distribution |
07/19/2007 | DE102006001886A1 Mikrofonvorrichtung mit mehreren Siliziummikrofonen für eine Hörvorrichtung Microphone device having a plurality of silicon microphones for hearing |
07/19/2007 | DE102006001493A1 MEMS-Sensor und Verfahren zur Herstellung MEMS sensor and methods for preparing |
07/19/2007 | CA2635879A1 Electrostatic loudspeaker systems and methods |
07/18/2007 | EP1809070A2 Microphone device having plural silicon microphones for a hearing aid |
07/18/2007 | EP1808046A1 Reduction of air damping in mems device |
07/18/2007 | EP1506556B1 Electret transducer |
07/18/2007 | CN101002503A 电容传声器 Condenser microphone |
07/12/2007 | WO2007077438A1 Electrostatic loudspeakers |
07/12/2007 | US20070160234 Microphone with voltage pump |
07/11/2007 | CN1997244A Capacitance microphone and its making method |
07/11/2007 | CN1997243A Pliable loudspeaker and its making method |
07/10/2007 | US7242089 Miniature silicon condenser microphone |
07/05/2007 | US20070153632 Capacitive ultrasonic transducer and method of fabricating the same |
07/05/2007 | DE202006002942U1 Adapter für Mikrofone Adapter for Microphones |
07/04/2007 | CN1993001A Semiconductor device |
07/04/2007 | CN1993000A Electro-acoustic actuator and method for manufacture |
07/03/2007 | US7239714 Microphone having a flexible printed circuit board for mounting components |
06/27/2007 | EP1802164A1 Signal amplifying circuit and acceleration sensor having the same |
06/21/2007 | WO2007069365A1 Mems diaphragm structure and its forming method |
06/21/2007 | WO2007068200A1 Condenser microphone |