| Patents for H04R 19 - Electrostatic transducers (5,387) |
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| 02/08/2012 | CN202143205U 调幅波无线话筒 AM wave wireless microphone |
| 02/08/2012 | CN202143204U 带红外线反射开关的话筒 With infrared reflective switch microphone |
| 02/08/2012 | CN102349311A Microphone and accelerometer |
| 02/08/2012 | CN102348155A Micro-electromechanical microphone and manufacturing method thereof |
| 02/08/2012 | CN101222790B 选择性微机电麦克风读出电路与其读出方法 Selective MEMS microphone readout circuit and its readout method |
| 02/07/2012 | US8111847 Electret materials, electret speakers, and methods of manufacturing the same |
| 02/02/2012 | WO2012015584A1 Reduced footprint microphone system with spacer member having through-hole |
| 02/02/2012 | WO2012013027A1 Micro-electro-mechanical microphone and manufacturing method thereof |
| 02/02/2012 | WO2011142637A3 Mems microphone using a graphene membrane and method for manufacturing same |
| 02/01/2012 | CN202135318U 电容式麦克风装置 Condenser microphone apparatus |
| 02/01/2012 | CN202135317U 一种微型电容式麦克风 A miniature condenser microphone |
| 02/01/2012 | CN202135316U 一种微型电容式麦克风 A miniature condenser microphone |
| 02/01/2012 | CN202135315U 可防止粘膜的驻极体传声器 Electret microphone prevents mucosal |
| 02/01/2012 | CN202135314U 硅麦克风 Silicon microphones |
| 02/01/2012 | CN202135313U 麦克风 Microphone |
| 02/01/2012 | CN202135312U 麦克风 Microphone |
| 02/01/2012 | CN202135311U Microphone |
| 02/01/2012 | CN202135310U 电容式驻极体传声器用背极体 Electret condenser microphone with a back body |
| 02/01/2012 | CN202135309U 驻极体电容式传声器 Electret condenser microphone |
| 02/01/2012 | CN102340727A Microphone |
| 02/01/2012 | CN101222792B 声换能器结构以及制造声换能器结构的方法 Acoustic transducer structures and the structure of the acoustic transducer manufacturing method |
| 01/25/2012 | EP2410768A1 MEMS type acoustic pressure impulse generator |
| 01/25/2012 | EP2410767A1 MEMS dynamic pressure sensor, in particular for microphone-making applications |
| 01/25/2012 | CN1706219B Holder kit for directional condenser microphone |
| 01/25/2012 | CN1678136B Power supply of phantom power supplied microphones |
| 01/25/2012 | CN102333272A Simple and compact electret microphone |
| 01/25/2012 | CN101107879B A backplateless silicon microphone |
| 01/24/2012 | US8103025 Surface mountable transducer system |
| 01/19/2012 | WO2012008460A1 Electrostatic loudspeaker and process for manufacturing electrostatic loudspeaker |
| 01/19/2012 | WO2012008458A1 Electrostatic loudspeakers |
| 01/19/2012 | WO2012008113A1 Micro-electromechanical generator and electric apparatus using same |
| 01/19/2012 | US20120014543 Electrostatic speaker and manufacturing method thereof and conductive backplate of the speaker |
| 01/19/2012 | DE112009002542T5 Mikrofon mit einer Mehrzahl von Wandlerelementen Microphone with a plurality of transducer elements |
| 01/18/2012 | EP2406964A1 Microphone and accelerometer |
| 01/18/2012 | CN202121777U Anti-electromagnetic interference condenser microphone |
| 01/18/2012 | CN202116291U Mems device |
| 01/18/2012 | CN1809221B Electrostatic Microphone |
| 01/18/2012 | CN102325294A Acoustic sensor |
| 01/18/2012 | CN102325293A Electret polarization device and method for polarization by adopting same |
| 01/18/2012 | CN102325230A Processing method and system for eliminating echoes and digital microphone |
| 01/18/2012 | CN101340740B Uni-directional microphone |
| 01/12/2012 | WO2012005434A2 Microphone |
| 01/12/2012 | WO2012005369A1 Electrostatic loudspeaker |
| 01/12/2012 | DE102010026519A1 Micro-electro-mechanical system microphone for use in mobile telephone, has sound inlet port arranged in cover or in carrier, and sealing structure attached around sound inlet port on microphone |
| 01/11/2012 | EP2404453A1 Apparatus, methods and computer programs for converting sound waves to electrical signals |
| 01/11/2012 | EP1466501B1 Electromechanical transducer element, method for forming an electromechanical transducer element and transducer formed by said method |
| 01/11/2012 | CN1946249B Skin touch type capacitor vibration pickup device |
| 01/11/2012 | CN102318365A Microphone unit |
| 01/11/2012 | CN102318021A Process for manufacturing electret, and electrostatic induction-type conversion element |
| 01/11/2012 | CN102316402A Microphone |
| 01/10/2012 | US8094857 Sing-along stand with performance interface configured to display a music storage/playback device |
| 01/10/2012 | US8093783 Electroactive polymer device |
| 01/05/2012 | WO2012001589A2 Microphone |
| 01/05/2012 | US20120004923 Elecronic image display flag |
| 01/05/2012 | DE10303263B4 Mikrophonanordnung Microphone array |
| 01/04/2012 | CN202103844U Electret condenser microphone |
| 01/04/2012 | CN202103843U Back pole cavity for capacitive electret microphone |
| 01/04/2012 | CN102308593A Microphone unit |
| 01/04/2012 | CN102308351A Process for manufacturing electret, and electrostatic induction-type conversion element |
| 01/04/2012 | CN101355827B Integrated preparation method for integrated circuit and capacitance type micro-silicon microphone single slice as well as chip |
| 01/03/2012 | US8089828 Acoustic sensor element |
| 12/29/2011 | WO2011161738A1 Sensor |
| 12/28/2011 | EP2400516A1 Process for manufacturing electret, and electrostatic induction-type conversion element |
| 12/28/2011 | EP2400515A1 Process for manufacturing electret, and electrostatic induction-type conversion element |
| 12/28/2011 | CN202095090U 用于发射音频信号的设备、用于接收音频信号的设备、无线音频通信系统 Apparatus for transmitting an audio signal, apparatus for receiving an audio signal, wireless audio communication system |
| 12/28/2011 | CN202095089U 数字麦克风 Digital Microphone |
| 12/28/2011 | CN1968547B 硅传声器 Silicon microphones |
| 12/28/2011 | CN102301741A 麦克风构件和用于运行这样的麦克风构件的方法 Microphone means and methods for operating such microphones member |
| 12/22/2011 | WO2011159003A1 Microphone |
| 12/22/2011 | WO2011158429A1 Converter module and method for manufacturing same |
| 12/22/2011 | DE102011050924A1 Kapazitives elektro-akustisches Wandler-System und kapazitiver elektro-akustischer Wandler davon Capacitive electro-acoustic transducer system and capacitive electro-acoustic transducer thereof |
| 12/22/2011 | DE102005054177B4 Verfahren zum Herstellen einer Vielzahl von gehäusten Sensormodulen A method of manufacturing a plurality of sensor modules packaged |
| 12/21/2011 | CN202085304U 一种硅电容麦克风 A silicone Microphone |
| 12/21/2011 | CN202085303U 一种硅麦克风 A silicone microphone |
| 12/21/2011 | CN1750716B 超声波扬声器、声学系统以及超声波换能器的控制方法 Control method ultrasonic speaker, the acoustic system and an ultrasound transducer |
| 12/21/2011 | CN102293016A 改进的麦克风封装 Improved microphone package |
| 12/21/2011 | CN102291661A 抗电磁干扰电容式麦克风 Anti-electromagnetic interference condenser microphone |
| 12/21/2011 | CN102291660A 一种微型电容式麦克风 A miniature condenser microphone |
| 12/21/2011 | CN102291659A 传声器外壳内绝缘隔离环的制造方法及装置 Internal microphone shell ring insulate the manufacturing method and apparatus |
| 12/20/2011 | US8081789 Microphone holder and microphone device using same |
| 12/15/2011 | DE102010029936A1 Micro-mechanical component for micro-electro-mechanical-system-microp hone, has functional layer formed under hollow chamber, where hollow chamber is formed with ventilation opening for microphone structure |
| 12/14/2011 | CN202077177U 具有多点支撑的微型电容式麦克风 With multi-point support miniature condenser microphone |
| 12/14/2011 | CN102275861A 半导体装置及传声器 Semiconductor device and microphone |
| 12/14/2011 | CN101102622B 振动膜组装体的制造方法以及电容式传声器 The method of manufacturing the diaphragm assembly and the condenser microphone |
| 12/13/2011 | US8077899 Electronic device and process for mounting microphone therein |
| 12/13/2011 | US8077887 Electrical connector and method for manufacturing a condenser microphone |
| 12/08/2011 | WO2011152212A1 Substrate with electro-acoustic conversion element mounted thereon, microphone unit, and manufacturing methods therefor |
| 12/07/2011 | EP2393307A2 Semiconductor device and microphone |
| 12/07/2011 | EP2393306A2 Microphone |
| 12/07/2011 | EP2392147A1 Component comprising a micromechanical microphone structure and method for operating said microphone component |
| 12/07/2011 | CN202068569U 一种驻极体麦克风内置电容专用管芯 An electret microphone built-in capacitors special die |
| 12/07/2011 | CN202068568U 驻极体电容传声器 Electret condenser microphone |
| 12/07/2011 | CN1886008B 长声道硅麦克风 Long-channel silicon microphone |
| 12/07/2011 | CN102273232A 用于播放双声道和单声道信号的耳机和方法 Play stereo and mono headsets and method for signal |
| 12/07/2011 | CN102271303A 可挠式扬声器结构 Flexible speaker configuration |
| 12/07/2011 | CN101080109B 前极式电容传声器 Former pole condenser microphone |
| 12/07/2011 | CN101076206B 一种新型电容传声器振膜及其电容传声器 And a new condenser microphone diaphragm condenser microphone |
| 12/01/2011 | WO2011148778A1 Acoustic transducer, and microphone using the acoustic transducer |
| 12/01/2011 | WO2011148740A1 Acoustic sensor, acoustic transducer, microphone using the acoustic transducer, and method for producing acoustic transducer |
| 12/01/2011 | WO2011148010A1 Middle-ear hearing aid including a microelectromechanical (mems) transducer |