| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 01/16/2013 | CN102883254A 硅麦克风封装结构 Silicon microphone package structure |
| 01/16/2013 | CN102150225B Electret film and electret comprising same |
| 01/16/2013 | CN101729964B Electroacoustic transducer |
| 01/16/2013 | CN101193458B A device for generating dispersed sound waves |
| 01/10/2013 | WO2013005486A1 Electrostatic capacitance type ultrasonic transducer and electronic device |
| 01/10/2013 | US20130010995 Welding type condenser microphone using spring base |
| 01/09/2013 | EP2544461A1 Microphone |
| 01/09/2013 | CN202663539U MEMS (micro-electro-mechanical system) microphone |
| 01/09/2013 | CN202663538U Mems microphone |
| 01/09/2013 | CN102868960A Welding type condenser microphone using curling and method of assemblying the same |
| 01/09/2013 | CN101674519B Capacitance-type microphone of micro-computer |
| 01/09/2013 | CN101426170B Microphone manufacturing method |
| 01/08/2013 | US8351633 Noise cancelling microphone with wind shield |
| 01/08/2013 | CA2613682C Electro acoustic transducer |
| 01/03/2013 | WO2013002207A1 Vibrating element and method for producing vibrating element |
| 01/03/2013 | DE102009026682A9 Bauelement mit einer mikromechanischen Mikrofonstruktur und Verfahren zu dessen Herstellung Component having a micromechanical microphone structure and process for its preparation |
| 01/02/2013 | EP2541765A1 Low-noise microphone pre-amplifier with active load element |
| 01/02/2013 | CN102860045A Ultrasound probe, production method therefor, and ultrasound diagnostic equipment |
| 01/02/2013 | CN102860038A Microphone |
| 01/02/2013 | CN102859688A Semiconductor package for mems device and method of manufacturing the same |
| 01/02/2013 | CN102859065A Textile laminar structure for making acoustic components |
| 01/02/2013 | CN101835079B Capacitance type minitype silicon microphone and preparation method thereof |
| 01/01/2013 | US8345513 Stacked transducing devices |
| 12/27/2012 | WO2012178061A1 Time difference of arrival determination with direct sound |
| 12/26/2012 | CN202634694U Vehicle-mounted microphone with double-shot molding shell |
| 12/26/2012 | CN202634693U Front-pole diaphragm type microphone |
| 12/26/2012 | CN101938682B Micro-electromechanical system microphone |
| 12/26/2012 | CN101321407B Girder-type diaphragm and microphone chip composed by the same |
| 12/20/2012 | WO2012148077A3 Digital condenser microphone having preamplifier with variable input impedance and method of controlling variable input impedance of preamplifier |
| 12/20/2012 | US20120321111 Electret condenser microphone |
| 12/20/2012 | DE102011104846A1 Electrostatic device e.g. electrostatic speaker for e.g. TV, has electrical conductive film that is connected with contact tape such that high voltage is passed from high-voltage transmission system to conductive film through cable |
| 12/20/2012 | DE102011077558A1 Vorrichtung zum Senden und/oder Empfangen von Schallsignalen An apparatus for transmitting and / or receiving sound signals |
| 12/19/2012 | EP2536168A2 Epitaxial silicon CMOS-MEMS microphones and method for manufacturing |
| 12/19/2012 | EP2535310A2 MEMS devices having membrane and methods of fabrication thereof |
| 12/19/2012 | CN1860823B A microphone component and a method for its manufacture |
| 12/19/2012 | CN102834347A MEMS device having a membrane and method of manufacturing |
| 12/19/2012 | CN102833659A MEMS (micro electro mechanical systems) microphone and manufacturing method thereof |
| 12/19/2012 | CN102826502A MEMS devices and methods of fabrication thereof |
| 12/12/2012 | EP2532090A1 Method and arrangement for driving a microphone |
| 12/12/2012 | CN202602896U Automatic recovery equipment of material strip for microphone |
| 12/12/2012 | CN202602890U Microphone with strong interference resistance |
| 12/12/2012 | CN202602889U Direction-indiscriminate SMT (Surface Mounting Technology) microphone |
| 12/12/2012 | CN202602888U Simple three-piece diaphragm-type electret capacitor microphone |
| 12/12/2012 | CN202602887U Piezoelectric electret telephone receiver |
| 12/12/2012 | CN202602877U Microphone capable of eliminating vibration noise |
| 12/12/2012 | CN101883307B Capacitor MEMS (Micro-Electro-Mechanical System) microphone diaphragm |
| 12/12/2012 | CN101883306B Diaphragm and capacitance microphone comprising diaphragm |
| 12/12/2012 | CN101867860B Condenser microphone having split electrodes |
| 12/12/2012 | CN101321408B Internal rotation beam diaphragm and microphone chip composed by the same |
| 12/12/2012 | CN101166373B 电容式传声器 Condenser microphone |
| 12/06/2012 | WO2012163285A1 Gas meter |
| 12/06/2012 | DE102011075260B4 MEMS-Mikrofon MEMS microphone |
| 12/05/2012 | EP2530954A2 Plate, transducer and methods for making and operating a transducer |
| 12/05/2012 | CN202587374U Mems microphone chip |
| 12/05/2012 | CN202587373U MEMS (Micro Electronic Mechanical System) microphone chip |
| 12/05/2012 | CN202587372U Mems microphone |
| 12/05/2012 | CN202587371U Micro-electro-mechanical system (MEMS) microphone |
| 12/05/2012 | CN202587370U Digital microphone |
| 12/05/2012 | CN202587369U Mems microphone |
| 12/05/2012 | CN202587368U Micro machine system microphone |
| 12/05/2012 | CN202587367U Micromotor system microphone |
| 12/05/2012 | CN102812729A Acoustic sensor and microphone |
| 12/05/2012 | CN102811411A Microphone arrangement |
| 12/04/2012 | US8325954 Processing an input signal in a hearing aid |
| 11/29/2012 | WO2012159536A1 Electret condenser microphone |
| 11/29/2012 | US20120300594 Pressure wave generator and device including the same |
| 11/29/2012 | US20120300593 Receiver transducer for wireless power transfer |
| 11/29/2012 | DE102011076430A1 Schallwellenbasierter Sensor Sound wave-based sensor |
| 11/28/2012 | CN202565462U Minitype unidirectional electret condenser microphone |
| 11/28/2012 | CN202565461U Circumaural headset having electret loudspeakers |
| 11/28/2012 | CN102802105A Amplification circuit and digital microphone using the same |
| 11/28/2012 | CN101622883B Vibration pickup microphone |
| 11/28/2012 | CN101351401B Process of forming a microphone using support member |
| 11/28/2012 | CN101253804B Speaker, image element protective screen, case of terminal, and terminal |
| 11/28/2012 | CN101002503B Capacitor microphone |
| 11/27/2012 | US8320589 Electret condenser |
| 11/22/2012 | WO2012156754A1 Amplifier for electrostatic transducers |
| 11/22/2012 | WO2012156753A1 Electrostatic transducer |
| 11/21/2012 | EP2524522A1 Methods and devices for pressure detection |
| 11/21/2012 | CN202551342U Multifunctional microphone |
| 11/21/2012 | CN102792715A Dual single-crystal backplate microphone system and method of fabricating same |
| 11/21/2012 | CN102790940A Wind-proof microphone |
| 11/21/2012 | CN102790939A Microphone of microelectromechnical system |
| 11/21/2012 | CN101494814B Voltage variation capacitance device |
| 11/21/2012 | CN101288337B 可编程麦克风 Programmable Microphone |
| 11/20/2012 | US8315418 Sound receiver |
| 11/15/2012 | WO2012152073A1 Apparatus for sealing microphone volume channel and electric device |
| 11/14/2012 | EP2522153A1 Component having a micromechanical microphone structure and method for the production thereof |
| 11/14/2012 | CN202535537U Condenser Microphone |
| 11/14/2012 | CN202535536U Monolithic-integration capacitive silicon miniature-microphone and integrated-circuit chip |
| 11/14/2012 | CN202535535U MEMS microphone |
| 11/14/2012 | CN102783183A Integrated circuit formed with microphone transducer |
| 11/14/2012 | CN102783182A Electro acoustic transducer |
| 11/14/2012 | CN102780952A Electret microphone |
| 11/14/2012 | CN101578890B Microphone array with electromagnetic interference shielding means |
| 11/14/2012 | CN101427594B Electret capacitor microphone |
| 11/14/2012 | CN101384102B Electrostatic electroacoustic transducers |
| 11/14/2012 | CN101212835B Condenser microphone |
| 11/08/2012 | US20120281862 Electret transducer with solar power |
| 11/08/2012 | DE102011113603A1 Arrangement of loudspeaker mounted in housing or holding device, has monopole speaker which receives back closed volume, and dipole speaker makes back radiated sound to arrive into listening room |