| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 07/05/2012 | DE102011002460A1 Microphone has housing comprising cover that is provided with aperture through which MEMS component is mounted inside housing, and external contact that is fed exclusively over housing cover |
| 07/05/2012 | DE102011002457A1 Mikromechanische Mikrofoneinrichtung und Verfahren zum Herstellen einer mikromechanischen Mikrofoneinrichtung Micromechanical microphone device and method for fabricating a micromechanical microphone means |
| 07/05/2012 | DE102011002456A1 Micromechanical microphone component manufacturing method, involves realizing layer structure on semiconductor substrate, and opening sound pressure-sensitive membrane by extracting sacrificial layer material over corroding entrances |
| 07/05/2012 | DE102010056473A1 Capacitive sound pick-up system for mouth organ, has capacitive counter electrodes arranged such that dielectric is directly placed behind fixing points of blow and pulling reeds for initiating free swinging zones |
| 07/04/2012 | CN202310097U 一种硅微麦克风 A silicone micro microphone |
| 07/04/2012 | CN202310096U Mems麦克风 Mems Microphone |
| 07/04/2012 | CN202310095U 一种mems麦克风 One kind mems microphones |
| 07/04/2012 | CN102547534A Film electret, method of manufacturing film electrets and sound playing device |
| 07/04/2012 | CN102547520A Capacitance microphone, and control system and control method for capacitance microphone |
| 07/04/2012 | CN102530835A Method for packaging a sensor chip, and a component produced using such a method |
| 07/04/2012 | CN101777425B A method of producing an electret material |
| 07/04/2012 | CN101677803B Ultrasonic probe and ultrasonic diagnosis device |
| 06/28/2012 | DE102010064120A1 Bauteil und Verfahren zu dessen Herstellung Component and process for its preparation |
| 06/28/2012 | DE102010064108A1 Verfahren zur Verpackung eines Sensorchips und dermaßen hergestelltes Bauteil A method for packaging a sensor chip and so produced component |
| 06/28/2012 | DE102010064036A1 Device for detecting spacing of motor car to object, has electromechanical film attached on outer upper surface of motor car or on inner upper surface of outwardly pointed planar component e.g. bumper, that is made of polymer material |
| 06/28/2012 | DE102008046860B4 Akustischer Transducer mit einer Mehrschichtelektrode und Verfahren zu seiner Herstellung Acoustic transducer having a multilayer electrode and method for its preparation |
| 06/27/2012 | EP2186352B1 Condenser microphone using the ceramic package whose inside is encompassed by metal or conductive materials |
| 06/27/2012 | CN101466060B Electret condenser microphone |
| 06/27/2012 | CN101353153B MEMS sensor and manufacturing method thereof |
| 06/27/2012 | CN101272637B Electret capacitor type microphone with integral vocal cavity component |
| 06/27/2012 | CN101094540B Miniature acoustic transducer |
| 06/26/2012 | US8208671 Microphone with backside cavity that impedes bubble formation |
| 06/21/2012 | WO2012081772A1 Condenser microphone structure appropriate for vacuum suction mounting, and mounting method thereof |
| 06/21/2012 | WO2012080059A1 Amplifier circuit for a two-wire interface |
| 06/21/2012 | DE102010063555A1 Vorrichtung zum Senden und/oder Empfangen eines Ultraschallsignals An apparatus for transmitting and / or receiving an ultrasonic signal |
| 06/20/2012 | EP1446238B1 Ultrasonic printed circuit board transducer |
| 06/20/2012 | CN202282862U 通风型扬声器磁路结构 Ventilation speaker magnetic structure |
| 06/20/2012 | CN1678135B Remote control of phantom power supplied microphones |
| 06/20/2012 | CN101466059B Capacitance type microphone |
| 06/20/2012 | CN101346014B Micro electro-mechanical system microphone and preparation method thereof |
| 06/19/2012 | US8203912 CMUTs with a high-k dielectric |
| 06/14/2012 | US20120148074 Electrostatic Loudspeaker System |
| 06/14/2012 | DE102011087963A1 Microphone package, has housing cover connected with housing bottom by connection material that has low hardening temperature and/or requires short time for curing than another connection material connecting cover with microphone chip |
| 06/14/2012 | DE102010062887A1 Mikrofonpackage und Verfahren zu dessen Herstellung Microphone package and process for its preparation |
| 06/14/2012 | DE102010062555A1 Micromechanical membrane device e.g. speaker device has silicon carbide membrane which is arranged opposite to upper and lower electrodes and is electrically isolated in movable membrane range by air gaps of upper and lower electrodes |
| 06/14/2012 | DE102005040081B4 Ultraschallsensor Ultrasonic sensor |
| 06/13/2012 | EP2464142A2 Micromechanical digital loudspeaker |
| 06/13/2012 | CN101222016B A multilayer composite and a method of making such |
| 06/12/2012 | US8199961 Speaker device, installation body for speaker device, and mobile body having speaker device mounted thereon |
| 06/06/2012 | EP2461605A1 Differential microphone circuit |
| 06/06/2012 | EP2460365A1 Component having a micro-mechanical microphone structure and method for producing said component |
| 06/06/2012 | CN102487423A Conference system for independently adjusting audio parameters |
| 06/06/2012 | CN101466061B Microphone |
| 06/06/2012 | CN101415137B Capacitance type microphone |
| 05/31/2012 | WO2012070166A1 Converter module and method for producing same |
| 05/31/2012 | WO2012070042A1 Apparatus and methods for individual addressing and noise reduction in actuator arrays |
| 05/30/2012 | CN202261792U Digital microphone |
| 05/30/2012 | CN202261791U MEMS (Micro Electro Mechanical System) silicon microphone longitudinally integrated with CMOS (Complementary Metal Oxide Semiconductor) circuit |
| 05/30/2012 | CN202261790U Simple capacitive microphone used for communication product |
| 05/30/2012 | CN202261789U Connected part of electret capacitor microphone |
| 05/30/2012 | CN202261788U Simple electret microphone |
| 05/30/2012 | CN202261787U Improved electret microphone |
| 05/30/2012 | CN202261786U Electret microphone capable of enabling users to lower height of paster |
| 05/30/2012 | CN202261785U Electret microphone with H-shaped connecting ring |
| 05/30/2012 | CN1905761B Microphone assembly with P-type preamplifier input stage |
| 05/30/2012 | CN102480538A 一种具有麦克风的移动终端 A mobile terminal having a microphone |
| 05/30/2012 | CN101141833B Electret condenser microphone |
| 05/24/2012 | WO2012067317A1 Microphone |
| 05/23/2012 | CN202231862U Omnidirectional electret capacitive microphone |
| 05/23/2012 | CN202231861U Microphone |
| 05/23/2012 | CN202231860U 简约紧凑型驻极体麦克风 Simple compact electret microphone |
| 05/23/2012 | CN1997244B Capacitance microphone and its making method |
| 05/23/2012 | CN1893739B Mounting substrate and microphone mounted thereon |
| 05/23/2012 | CN102474693A 具有微机械的麦克风结构的构件以及制造这种构件的方法 A micro-mechanical structure of the microphone element and a method of manufacturing such components |
| 05/23/2012 | CN102469393A 扬声器 Speaker |
| 05/23/2012 | CN102469392A 平面扬声器的驱动接口装置 Planar loudspeaker driver interface device |
| 05/23/2012 | CN101573861B Micro-electro-mechanical transducers |
| 05/23/2012 | CN101400013B Electrostatic speaker |
| 05/23/2012 | CN101247675B Microphone and its mounting structure |
| 05/23/2012 | CN101237719B A silicon capacitance microphone and its making method |
| 05/22/2012 | US8184833 Electrostatic speaker arrangement for a mobile device |
| 05/22/2012 | US8182428 Dual frequency band ultrasound transducer arrays |
| 05/17/2012 | US20120121112 Speaker |
| 05/16/2012 | CN202222037U Piezoelectric type ultrathin headphones |
| 05/16/2012 | CN102458239A Capacitive sensing system |
| 05/16/2012 | CN102457801A 差分mems电容式麦克风及其制备方法 Differential mems condenser microphone and its preparation method |
| 05/16/2012 | CN102457800A 无背极板的mems电容式麦克风及其制备方法 No mems condenser microphone backplate and preparation method |
| 05/16/2012 | CN102457602A 利用手机的麦克风来实现简易分贝仪功能的实现方法 Using a mobile phone microphone to achieve a simple implementation decibel meter function |
| 05/16/2012 | CN102452635A Micro-electromechanical systems (mems) structure |
| 05/10/2012 | WO2012059814A2 Electrostatic loudspeaker system |
| 05/09/2012 | EP2335258B1 Patterned electret structures and methods for manufacturing patterned electret structures |
| 05/09/2012 | CN202218396U Electret capacitive microphone |
| 05/09/2012 | CN202218395U Capacitive electret microphone |
| 05/09/2012 | CN202218394U 驻极体电容传声器 Electret condenser microphone |
| 05/09/2012 | CN102448002A Condenser microphone array chip |
| 05/09/2012 | CN102448001A Frequency modulation wireless microphone made of varactor diode |
| 05/08/2012 | US8175314 Tactical microphone support systems |
| 05/08/2012 | US8175313 Electronic anti-sabotage microphone grommet |
| 05/08/2012 | US8175299 Condenser microphone mountable on main PCB |
| 05/03/2012 | WO2012057272A1 Ultrasonic probe device and method for controlling same |
| 05/03/2012 | US20120106769 Filter Circuit For An Electret Microphone |
| 05/03/2012 | US20120106761 Driving interface device adaptive to a flat speaker |
| 05/02/2012 | EP1648194B1 Material for heat-resistant electret and heat-resistant electret |
| 05/02/2012 | CN102440005A Ultrasonic transducer and ultrasonic diagnostic apparatus provided with same |
| 05/02/2012 | CN101641752B Electret and electrostatic induction conversion device comprising the same |
| 05/02/2012 | CN101355828B Monolithic integration method for integrated circuit based on SOI silicon chip and capacitance type micro-silicon microphone, and chip |
| 05/01/2012 | US8170260 System for determining the position of sound sources |
| 05/01/2012 | US8169855 Ultrasonic sensor unit and electronic device |
| 04/26/2012 | WO2012053708A1 Surface-mount microphone |
| 04/26/2012 | WO2012051650A1 Acoustic diffusion generator |