| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 04/18/2012 | EP1653772B1 Case with insert terminal and piezoelectric electroacoustic transducer using this case, process for manufacturing case with insert terminal |
| 04/18/2012 | CN102421057A 扬声器的装配方法 Speaker assembly method |
| 04/18/2012 | CN101420651B 喇叭鼓纸的制造方法 The method of manufacturing the speaker cone paper |
| 04/17/2012 | US8160268 Loudspeaker array system |
| 04/17/2012 | US8156633 Transport comb for head stack assembly |
| 04/12/2012 | US20120087522 Piezoelectric microspeaker and method of fabricating the same |
| 04/11/2012 | CN202190405U 蜂窝状泡孔结构的扬声器振膜的制备装置 Preparation device speaker diaphragm honeycomb cell structure |
| 04/11/2012 | CN102413413A 电声换能器的制造方法 The method of manufacturing the electro-acoustic transducer |
| 04/11/2012 | CN102413407A 一种中耳植入式微型压电传声器及其制备方法 An implantable miniature piezoelectric microphone and preparation method of the middle ear |
| 04/11/2012 | CN101351057B 电声能互换的换能器及其装配方法 Electro-acoustic transducer can be interchanged and the method of assembly |
| 04/10/2012 | US8151442 Method of fabricating a magnetoresistive (MR) element having a continuous flux guide defined by the free layer |
| 04/10/2012 | US8151440 Method for manufacturing a head suspension |
| 04/04/2012 | CN202183871U 用于麦克风组装的自动卸料装置 For automatic unloading device microphone assembly |
| 04/04/2012 | CN102405654A 麦克风 Microphone |
| 04/04/2012 | CN102404674A Acoustic sheet and method of manufacturing acoustic sheet |
| 04/03/2012 | US8150091 Printed circuit board for a flat-panel speaker |
| 04/03/2012 | US8146237 Method of manufacturing a magnetic head |
| 04/03/2012 | US8146236 Method for providing a perpendicular magnetic recording (PMR) transducer |
| 04/03/2012 | US8146235 Method of aligning components for installation on a head suspension assembly |
| 03/29/2012 | US20120076336 Hearing Aid Positioning System And Structure |
| 03/28/2012 | EP2432600A1 Acoustic wave generation device and equipment including a plurality of such devices |
| 03/28/2012 | CN102395096A Vibration assembly and manufacturing method thereof, and electroacoustic transducer |
| 03/28/2012 | CN102395090A Method for preparing magnetically-driven piston type low-frequency speaker system and magnetically-driven piston type low-frequency speaker system |
| 03/28/2012 | CN102395089A Manufacturing method of magnetic drive type loudspeaker and magnetic drive type loudspeaker |
| 03/27/2012 | US8144898 High performance microphone and manufacturing method thereof |
| 03/27/2012 | US8141235 Method for manufacturing a perpendicular magnetic recording transducers |
| 03/22/2012 | US20120068572 Method for producing of an electromechanical transducer |
| 03/22/2012 | DE102007030744B4 Akustischer Aktor und Verfahren zu dessen Herstellung Acoustic actuator and process for its preparation |
| 03/21/2012 | EP1639858B1 Improvements to loudspeaker driver assemblies |
| 03/21/2012 | CN102387456A Midget microphone and manufacturing method thereof |
| 03/21/2012 | CN102387454A Silicon microphone and packaging structure of product applying same |
| 03/21/2012 | CN102387453A Flat speaker structure and manufacturing method thereof |
| 03/21/2012 | CN102387452A Electrostatic loudspeaker and production method thereof and conductive back board of electrostatic loudspeaker |
| 03/20/2012 | US8139783 Speaker assembly arrangement for a vehicle and method of mounting a speaker |
| 03/20/2012 | US8136805 Row bar holder |
| 03/20/2012 | US8136228 Method for manufacturing a magnetic write head |
| 03/20/2012 | US8136227 Method for making a magnetic head having a non-GMR shunt |
| 03/15/2012 | US20120064845 Cable assembly with earpiece |
| 03/15/2012 | US20120063631 Method for manufacturing spiral coil, the spiral coil, and electro-magnetic acoustic transducer including the same |
| 03/14/2012 | CN202168212U 用于麦克风组装的胶套自动上料装置 Pouches microphone assembly for automatic feeding device |
| 03/14/2012 | CN102378100A Preparation method of transducer film |
| 03/14/2012 | CN102378082A Audio device, and methods for designing and making the audio devices |
| 03/14/2012 | CN101646117B Soft support bridge type silicon micro-piezoelectric microphone chip and prepration method thereof |
| 03/14/2012 | CN101365263B Sound membrane and piezoelectric piece bonding apparatus |
| 03/14/2012 | CN101330775B Method for integrating washer and back pole as well as method for assembling microphone |
| 03/14/2012 | CN101203064B Composite diaphragm and its making method |
| 03/13/2012 | US8132314 Method and system for packaging and mounting surface acoustic wave sensor elements to a flex plate |
| 03/08/2012 | US20120057739 Ergonomic earpiece and attachments |
| 03/08/2012 | US20120057736 Audio Device, and Methods for Designing and Making the Audio Devices |
| 03/08/2012 | US20120056282 MEMS Transducer for an Audio Device |
| 03/08/2012 | DE102008017194B4 Hörvorrichtung zum Tragen in der Ohrmuschel mit individuellem Formteil und Verfahren zum Herstellen einer Hörvorrichtung Hearing device to be worn in the ear with customized molding and method for manufacturing a hearing device |
| 03/07/2012 | CN202160280U 全自动麦克风组装设备 Automatic microphone assembly equipment |
| 03/07/2012 | CN202160279U 用于麦克风组装的弹簧自动组装装置 Spring means for automatic assembly microphone assembly |
| 03/07/2012 | CN101815820B Fine natural fiber and speaker diaphragm, speaker and device |
| 03/06/2012 | US8127427 Quartz crystal unit, quartz crystal oscillator having quartz crystal unit, and electronic apparatus having quartz crystal oscillator |
| 03/06/2012 | US8127426 Electronic apparatus having quartz crystal oscillating circuits |
| 03/01/2012 | US20120051720 Securing apparatus |
| 03/01/2012 | US20120051564 Flat speaker structure and manufacturing method thereof |
| 03/01/2012 | US20120047717 Method of making an ultrasonic transducer system |
| 02/29/2012 | EP2422528A1 Dust protection apparatus for flat loudspeakers |
| 02/29/2012 | CN202153781U 用于麦克风组装的麦克风单元自动组装装置 Automatic assembly apparatus for the microphone unit of the microphone assembly |
| 02/29/2012 | CN102364964A Acoustic conversion device and acoustic conversion device assembly method |
| 02/28/2012 | US8122587 Manufacturing method of quartz crystal unit |
| 02/25/2012 | CA2737986A1 Split magnet loudspeaker |
| 02/23/2012 | US20120046780 Composite microphone boot to optimize sealing and mechanical properties |
| 02/23/2012 | US20120045078 Mems microphone |
| 02/22/2012 | CN102357451A Dispensing method |
| 02/22/2012 | CN101867858B 用于硅基器件的凸微观部件 Convex microscopic components for silicon-based devices |
| 02/21/2012 | US8117738 Method to make a perpendicular magnetic recording head with a side write shield |
| 02/21/2012 | US8117737 Method of manufacturing magnetic head for perpendicular magnetic recording with shield around main magnetic pole |
| 02/21/2012 | US8117736 Method of lapping a magnetic head slider |
| 02/16/2012 | US20120038248 Ultrasonic transducer for use in a fluid medium |
| 02/16/2012 | US20120036979 Variable Mechanical Acoustic Resonance Component for Musical Instrument Using Defined Resonance Index |
| 02/16/2012 | DE102010021473A1 Hearing device for wearing in the ear, comprises a housing, where a foamed silicone material is arranged on the outside of the housing, to reduce nerve irritation when wearing the hearing device in the ear |
| 02/14/2012 | US8114700 Method of fabricating an ultra-small condenser microphone |
| 02/09/2012 | WO2012017504A1 Manufacturing method for microphone |
| 02/09/2012 | US20120033846 Dust protection apparatus for flat loudspeakers |
| 02/08/2012 | CN202143207U 传声器壳体框架阵列板绝缘层制造装置 Microphone array plate frame housing insulation manufacturing equipment |
| 02/08/2012 | CN102348157A Fully-automatic microphone assembling equipment |
| 02/08/2012 | CN102348155A Micro-electromechanical microphone and manufacturing method thereof |
| 02/08/2012 | CN102348145A Earbud and method of manufacture |
| 02/08/2012 | CN102344640A Loudspeaker diaphragm made from ABS (acrylonitrile-butadiene-styrene) copolymer nanocomposite |
| 02/07/2012 | US8110085 Assisted deposition, narrow trench damascene process for manufacturing a write pole of a magnetic write head |
| 02/07/2012 | US8108986 Method for manufacturing a perpendicular magnetic write pole having a large bevel angle |
| 02/07/2012 | US8108985 Method for manufacturing a perpendicular magnetic write head |
| 02/02/2012 | US20120029393 Compact ultrasound transducer assembly and methods of making and using the same |
| 02/02/2012 | US20120027241 Vehicular directional microphone assembly for preventing airflow encounter |
| 02/02/2012 | US20120027223 Sound sports board apparatus and a method of making the same |
| 02/01/2012 | CN202135323U 膜片测试装置 Diaphragm test device |
| 02/01/2012 | CN102340724A Micro speaker having a linear vibration structure, and method for manufacturing same |
| 02/01/2012 | CN102340711A Loudspeaker mesh enclosure capable of being directly printed and production method thereof |
| 02/01/2012 | CN101646116B 一种电极串联式硅微压电传声器 An electrode tandem silicon micro piezoelectric microphone |
| 02/01/2012 | CN101374369B 扬声器系统和装配装置 Speaker system and assembly devices |
| 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 |
| 01/31/2012 | US8104166 Self-aligned method for fabricating a high density GMR read element |
| 01/26/2012 | US20120020504 Light activated hearing device |
| 01/25/2012 | EP2410768A1 MEMS type acoustic pressure impulse generator |
| 01/25/2012 | CN102333273A Miniature microphone testing device |
| 01/25/2012 | CN102333269A Loudspeaker diaphragm made of low density polyethylene nano-composite |
| 01/25/2012 | CN102333254A MEMS silicon microphone longitudinally integrated with CMOS circuit, and manufacturing method for the same |