| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 05/12/2011 | WO2011055885A1 Mems microphone and method for manufacturing same |
| 05/11/2011 | EP2320678A1 Microphone device with accelerometer for vibration compensation |
| 05/11/2011 | CN201830440U Capacitance-type microphone |
| 05/11/2011 | CN1980492B Silicon microphone package |
| 05/11/2011 | CN1961610B Parallelepiped type directional capacitance microphone |
| 05/11/2011 | CN1706216B Parallelepiped condenser microphone |
| 05/11/2011 | CN102056063A Mems microphone and method for manufacturing same |
| 05/11/2011 | CN102056062A Capacitor-type micro silicon microphone and manufacturing method thereof |
| 05/11/2011 | CN102056061A Capacitive miniature silicon microphone and manufacturing method thereof |
| 05/11/2011 | CN101115325B Frequency modulation silicon microcondenser microphone system suitable for single chip integration |
| 05/10/2011 | USRE42347 Solid state silicon-based condenser microphone |
| 05/10/2011 | USRE42346 Solid state silicon-based condenser microphone |
| 05/10/2011 | US7940603 Ultrasonic transducer cell |
| 05/05/2011 | US20110105196 System and method for mechanically reducing unwanted wind noise in a telecommunications headset device |
| 05/05/2011 | US20110103634 System and method for mechanically reducing unwanted wind noise in an electronics device |
| 05/04/2011 | EP2317639A1 Electroactive polymer devices for moving fluid |
| 05/04/2011 | EP2316787A2 Process of forming a microphone using support member |
| 05/04/2011 | EP2316786A2 Process of forming a microphone using support member |
| 05/04/2011 | CN102045632A Silicon condenser microphone having an additional back chamber and a fabrication method therefor |
| 05/04/2011 | CN102045631A Condenser microphone |
| 05/04/2011 | CN102045630A Capacitive sensor |
| 05/04/2011 | CN102045629A Condenser microphone assembly with floating configuration |
| 05/04/2011 | CN102038310A Cap with function of playing sound |
| 04/28/2011 | WO2011049323A2 Condenser microphone |
| 04/28/2011 | WO2011049276A1 Silicon condenser microphone having an additional back chamber and a fabrication method therefor |
| 04/28/2011 | US20110096945 Microphone unit with internal A/D converter |
| 04/27/2011 | EP2315457A1 Capacitance type vibration sensor |
| 04/27/2011 | CN201813527U Capacitive microphone circuit |
| 04/27/2011 | CN1933679B Waterpoof and dampproof electret capacitance microphone |
| 04/27/2011 | CN102036155A Electrostatic loudspeaker |
| 04/27/2011 | CN102036154A Electrostatic loudspeaker |
| 04/27/2011 | CN101022683B Reflux-resisting welded digital electret microphone |
| 04/26/2011 | US7933428 Microphone apparatus |
| 04/21/2011 | WO2011046269A1 Condenser microphone assembly with floating configuration |
| 04/20/2011 | EP2312869A2 Electrostatic speaker |
| 04/20/2011 | EP2312868A2 Electrostatic speaker |
| 04/20/2011 | CN102026581A Ultrasonic probe, method for manufacturing the same and ultrasonic diagnostic device |
| 04/20/2011 | CN102026078A Voice prompt display device |
| 04/20/2011 | CN102026077A Flat speaker structure |
| 04/20/2011 | CN102026076A Solar electret transducer and low-energy consumption electret transducer |
| 04/20/2011 | CN102020232A Encapsulation structure of microcomputer electroacoustic sensor |
| 04/20/2011 | CN101141832B Single membrane capacitance type microphone chip |
| 04/20/2011 | CN101005718B Micro acoustic sensor and its producing method |
| 04/14/2011 | WO2011043156A1 Unidirectional microphone |
| 04/13/2011 | EP2308243A1 Micromechanical component with rear volume |
| 04/13/2011 | CN201797598U Vibration conduction-type microphone device |
| 04/13/2011 | CN201797597U MEMS microphone chip and MEMS microphone adopting same |
| 04/13/2011 | CN102014332A Capacitance MEMS (micro-electro-mechanical system) microphone |
| 04/13/2011 | CN101141836B Digital capacitor microphone with USB interface |
| 04/12/2011 | US7925033 Electro-acoustic transducer |
| 04/12/2011 | US7923064 Electroactive polymer manufacturing |
| 04/06/2011 | EP2304973A1 Wind immune microphone |
| 04/06/2011 | CN201789628U Complementary metal-oxide-semiconductor microelectromechanical systems (CMOS-MEMS) capacitive microphone chip |
| 04/06/2011 | CN201789627U 驻极体电容传声器 Electret condenser microphone |
| 04/06/2011 | CN1694577B One-chip silicon-base miniature capacitor microphone and manufacturing method thereof |
| 04/06/2011 | CN102007778A Directing sound field of actuator |
| 04/06/2011 | CN102007002A Electret and electrostatic induction conversion device |
| 04/06/2011 | CN102006541A Transparent horn and display module integrating transparent horn |
| 03/31/2011 | US20110075869 Electrostatic speaker |
| 03/31/2011 | US20110075868 Electrostatic speaker |
| 03/30/2011 | EP2301260A2 Electrostatic loudspeaker system |
| 03/30/2011 | CN201781615U Electret microphone |
| 03/30/2011 | CN201781567U Voice collection device and television with chatting function |
| 03/30/2011 | CN101998213A 一种mems麦克风的封装结构及晶圆级封装方法 Package structure for a mems microphones and wafer level packaging method |
| 03/29/2011 | US7916879 Electrostatic acoustic transducer based on rolling contact micro actuator |
| 03/24/2011 | WO2011033956A1 Dielectric film, method for producing same, and transducer using same |
| 03/24/2011 | WO2011033887A1 Ultrasound probe and ultrasound imaging device |
| 03/22/2011 | US7911115 Monolithic electroactive polymers |
| 03/16/2011 | CN101443633B Capacitive MEMS sensor device |
| 03/10/2011 | US20110058693 Wireless microphone device |
| 03/09/2011 | CN101984679A Micro electro mechanical system microphone |
| 03/08/2011 | US7902615 Micromechanical structure for receiving and/or generating acoustic signals, method for producing a micromechanical structure, and use of a micromechanical structure |
| 03/03/2011 | WO2011025939A1 Dual single-crystal backplate microphone system and method of fabricating same |
| 03/03/2011 | WO2011025461A1 A directional sound system |
| 03/03/2011 | WO2011024397A1 Capacitor microphone |
| 03/03/2011 | WO2011024396A1 Capacitor microphone and method for manufacturing same |
| 03/03/2011 | WO2011024395A1 Capacitor microphone |
| 03/03/2011 | WO2010135280A3 Microphone having reduced vibration sensitivity |
| 03/03/2011 | US20110054922 Electronic image display flag |
| 03/02/2011 | EP2289419A1 Ultrasonic probe, method for manufacturing the same and ultrasonic diagnostic device |
| 03/01/2011 | US7899196 Digital microphone |
| 02/24/2011 | WO2011021341A1 Electromechanical converter, microphone, and method for manufacturing electromechanical converter |
| 02/24/2011 | US20110044480 Electret condenser |
| 02/24/2011 | US20110044479 Condenser microphone |
| 02/24/2011 | DE102009037007A1 Screen element for electromagnetic shielding of microphone, is formed in elastic manner and has microphone housing, where detent element is formed in microphone housing |
| 02/22/2011 | US7894616 Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge |
| 02/17/2011 | US20110038502 Electret Capacitor Microphone with One-Piece Vocal Cavity Component |
| 02/16/2011 | CN201750548U Capacitive tiny microphone |
| 02/16/2011 | CN201750547U Chip type miniature microphone for preventing chip suction nozzle injury |
| 02/16/2011 | CN101977763A Electret and electrostatic induction conversion device |
| 02/16/2011 | CN101977344A Heat-resistant electret |
| 02/10/2011 | DE102009028177A1 Bauelement mit einer mikromechanischen Mikrofonstruktur und Verfahren zur Herstellung eines solchen Bauelements Component having a micromechanical microphone structure and method for producing such a component |
| 02/09/2011 | EP2281398A1 Acoustic-electric transducer with adjustable air gap, electronic device, method and computer program product |
| 02/09/2011 | CN201742553U Silicon microphone |
| 02/09/2011 | CN201742552U Unidirectional condenser microphone |
| 02/09/2011 | CN201742551U Digital-type unidirectional condenser microphone |
| 02/09/2011 | CN201742550U Capacitance minitype silicon microphone |
| 02/09/2011 | CN101506987B Vibration sensor and method for manufacturing the vibration sensor, microphone manufacture method |
| 02/08/2011 | US7882612 Method for producing a membrane |
| 02/03/2011 | WO2011012360A1 Component having a micro-mechanical microphone structure and method for producing said component |