| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 11/11/2009 | CN101578890A Microphone array with electromagnetic interference shielding means |
| 11/05/2009 | WO2009134127A1 Composite microphone, microphone assembly and method of manufacturing those |
| 11/04/2009 | EP2114085A1 Composite microphone, microphone assembly and method of manufacturing those |
| 11/04/2009 | CN201341234Y Microphone |
| 11/04/2009 | CN201341233Y Electret condenser microphone |
| 11/03/2009 | US7612483 Harmonic cMUT devices and fabrication methods |
| 10/29/2009 | WO2009129738A1 Electret capacitor microphone with one-piece vocal cavity component |
| 10/29/2009 | WO2009109799A3 Monolithic capacitive transducer |
| 10/29/2009 | WO2008111011A8 Mems microphone |
| 10/29/2009 | DE112007003083T5 Mikrofonbaugruppe mit Unterfüllmittel mit niedrigem Wärmeausdehnungskoeffizienten Microphone assembly with underfill with low thermal expansion coefficient |
| 10/29/2009 | DE112007002856T5 Platinenmontage eines Mikrophonwandlers Platinum mounting a microphone transducer |
| 10/29/2009 | DE102008001185A1 Verfahren zur Herstellung einer mikromechanischen Membranstruktur mit feststehendem Gegenelement Process for producing a micromechanical membrane structure having a fixed counter-element |
| 10/28/2009 | EP2112840A2 Electret condenser microphone |
| 10/28/2009 | CN101568057A Capacitance microphone |
| 10/28/2009 | CN101568056A Electret condenser microphone |
| 10/28/2009 | CN101568055A Silicone base capacitance microphone |
| 10/28/2009 | CN101568054A Silicone base capacitance microphone |
| 10/27/2009 | US7609843 Sound collector |
| 10/22/2009 | WO2009128503A1 Electret and electrostatic induction conversion device |
| 10/22/2009 | WO2009127787A1 Directing sound field of actuator |
| 10/22/2009 | WO2009127568A1 Microphone assembly with integrated self-test circuitry |
| 10/22/2009 | US20090262968 Electrical connector and method for manufacturing the same and condenser microphone |
| 10/22/2009 | US20090262959 Method for manufacturing a loudspeaker having a voice coil assembly |
| 10/22/2009 | US20090262605 Ultrasound transducer and electronic device |
| 10/21/2009 | CN101563940A Component for a hearing aid and a method of making a component for a hearing aid |
| 10/21/2009 | CN100553371C Array type micro-electromechanic capacitor microphone |
| 10/21/2009 | CN100553370C Electret capacitor microphone |
| 10/15/2009 | WO2009125773A1 Electromechanical transducer, electromechanical transducer device, and fabrication method for same |
| 10/15/2009 | US20090257613 Microphone Screen With Common Mode Interference Reduction |
| 10/14/2009 | CN201328182Y Microphone diaphragm and electret condenser microphone |
| 10/14/2009 | CN101558552A Micro-electro-mechanical transducer having an insulation extension |
| 10/13/2009 | US7602931 Gasket for reducing electromagnetic interference in a boundary microphone |
| 10/08/2009 | US20090252364 Voice signal transmitting/receiving apparatus |
| 10/07/2009 | CN201323652Y Silicon condenser microphone |
| 10/07/2009 | CN201323651Y Capacitor microphone |
| 10/07/2009 | CN201323650Y Diaphragm device of a mini-microphone |
| 10/07/2009 | CN201321377Y Micro electro mechanical system microphone package with PCB provided with sound holes |
| 10/07/2009 | CN101552941A Miniature microphone assembly with solder sealing ring |
| 10/07/2009 | CN101552251A Lead frame and package of semiconductor device |
| 10/06/2009 | US7599505 Condenser microphone |
| 10/01/2009 | WO2009119678A1 Electret and electrostatic induction conversion device |
| 10/01/2009 | US20090245564 Microphone packaging in a mobile communications device |
| 10/01/2009 | DE102008013395A1 Kondensatormikrofon Condenser microphone |
| 09/30/2009 | EP1258167B1 Acoustic transducer with improved acoustic damper |
| 09/24/2009 | WO2009116957A2 Water resistant ultra-low pressure sensor |
| 09/24/2009 | WO2009116256A1 Microphone device |
| 09/24/2009 | WO2009116036A2 Wireless communicator for laptop computers |
| 09/24/2009 | US20090239470 Modular cell phone for laptop computers |
| 09/24/2009 | US20090238399 Miniature stereo audio earphones |
| 09/23/2009 | EP2103174A1 Component for a hearing aid and a method of making a component for a hearing aid |
| 09/23/2009 | EP2103173A1 Microphone with pressure relief |
| 09/23/2009 | CN101540945A Microphone and method for fabricating the same |
| 09/23/2009 | CN100544501C Electret capacitor microphone |
| 09/17/2009 | WO2009114053A1 Support arm with reversed elastic and inelastic ranges |
| 09/17/2009 | WO2009112241A1 Condenser microphone |
| 09/17/2009 | US20090232339 Digital microphone |
| 09/17/2009 | DE102008013942A1 Electret coating on a substrate, useful e.g. for finishing textiles and carpets, producing filters, preferably for filtering air and water, and in sensors, comprises non-magnetic particles with inorganic coating and/or magnetic particles |
| 09/16/2009 | CN201312383Y Microphone with non-flanging shell |
| 09/16/2009 | CN201312382Y One-way electret microphone |
| 09/16/2009 | CN201312381Y Thin type electret microphone |
| 09/16/2009 | CN101536547A Ultrasonic probe and ultrasonographic device using the same |
| 09/16/2009 | CN101534467A Condenser microphone |
| 09/16/2009 | CN101534466A Silicon microphone chip and manufacture method thereof |
| 09/16/2009 | CN101534465A Micro electronmechanical microphone and packaging method thereof |
| 09/16/2009 | CN100540154C Ultrasonic transducer and method of manufacturing ultrasonic transducer |
| 09/15/2009 | US7589439 Electromechanical transducer element, method for forming an electromechanical transducer element and transducer formed by said method |
| 09/11/2009 | WO2009109799A2 Monolithic capacitive transducer |
| 09/11/2009 | WO2009109089A1 A micro capacitive microphone |
| 09/09/2009 | EP2022290A4 Mounting method and holder for smd microphone |
| 09/09/2009 | CN201307931Y Minisize capacitive microphone |
| 09/09/2009 | CN201307930Y Combined insulation membrane ring for miniature microphone |
| 09/09/2009 | CN101527872A Combined polarization plate used for microphone and manufacturing method thereof |
| 09/09/2009 | CN100539740C Silicon microphone |
| 09/08/2009 | US7585743 Manufacturing method for a semiconductor substrate comprising at least a buried cavity and devices formed with this method |
| 09/03/2009 | WO2009107940A2 Stacked microphone with signal processing block and method for manufacturing same |
| 09/03/2009 | WO2009105793A1 Transducer assembly |
| 09/02/2009 | CN100536608C Microsilicon microphone and its preparing method |
| 09/01/2009 | US7583810 Fixing unit for microphone |
| 08/27/2009 | WO2009104389A1 Electrostatic capacitive vibrating sensor |
| 08/27/2009 | WO2009104225A1 Digital microphone |
| 08/26/2009 | EP2094028A1 Miniature microphone assembly with solder sealing ring |
| 08/26/2009 | CN201298916Y Minitype preposed amplifier for electret capacitor microphone |
| 08/26/2009 | CN101516053A Capacitor type microphone chip |
| 08/25/2009 | US7580735 Condenser microphone |
| 08/25/2009 | US7580533 Particulate flow detection microphone |
| 08/20/2009 | WO2009101757A1 Capacitor microphone and mems device |
| 08/19/2009 | EP2091265A1 Ultrasonic probe and ultrasonographic device using the same |
| 08/19/2009 | EP1762117B1 Capacitor microphone |
| 08/19/2009 | EP1742508B1 Electret-condenser microphone |
| 08/19/2009 | CN201294632Y 硅麦克风 Silicon microphones |
| 08/19/2009 | CN201294631Y Silicon capacitance microphone |
| 08/19/2009 | CN201294630Y Anti-interference capacitance microphone |
| 08/19/2009 | CN201294629Y Active electrostatic loudspeaker |
| 08/19/2009 | CN201294628Y Measurement condenser microphone |
| 08/19/2009 | CN100531296C Integrated video-audio sensor |
| 08/13/2009 | WO2009099168A1 Microphone unit |
| 08/13/2009 | WO2009099091A1 Microphone unit |
| 08/12/2009 | CN201290179Y Microphone |
| 08/12/2009 | CN201290178Y Capacitor microphone |
| 08/12/2009 | CN101506987A Vibration sensor and method for manufacturing the vibration sensor |