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