| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 10/25/2011 | US8042259 Method of manufacturing a magnetic recording head |
| 10/19/2011 | CN202014367U Assembling structure of loudspeaker or receiver on portable terminal |
| 10/19/2011 | CN202014366U Paper-tube voice coil winding machine |
| 10/19/2011 | CN102223591A Wafer level packaging structure of micro electro mechanical system microphone and manufacturing method thereof |
| 10/18/2011 | US8037593 Method for manufacturing an ultra narrow gap magnetoresistive sensor |
| 10/13/2011 | WO2011049319A3 Method and apparatus for manufacturing a passive component for an acoustic transducer |
| 10/12/2011 | CN102215448A Silicon microphone packaging method capable of shielding electromagnetic interference, packaging body and electronic device |
| 10/11/2011 | US8033008 Method for supporting manufacture of a magnetic disk |
| 10/06/2011 | WO2011122673A1 Method for manufacturing acoustic diaphragm |
| 10/06/2011 | WO2011122017A1 Speaker manufacturing method |
| 10/06/2011 | US20110243371 Micro-speaker and method for manufacturing same |
| 10/05/2011 | EP2373060A2 Silicon condenser microphone and manufacturing method |
| 10/05/2011 | EP2373059A2 Semiconductor device and microphone |
| 10/05/2011 | EP2373056A1 Loudspeaker of an inverted motor design |
| 10/05/2011 | CN102209287A MEMS (micro electro mechanical system) microphone chip and manufacture method thereof |
| 10/05/2011 | CN101242676B Method for manufacturing earbud |
| 10/04/2011 | US8028400 Method for manufacturing a magnetic write head |
| 10/04/2011 | US8028399 Magnetic write pole fabrication |
| 09/29/2011 | US20110235842 Microphone |
| 09/29/2011 | US20110234055 Acoustic Wave Device and Method for Manufacturing Same |
| 09/28/2011 | CN201995128U Mems麦克风以及包含它的mems麦克风模组 Mems microphone, and the microphone module containing it mems |
| 09/28/2011 | CN1993000B Electro-acoustic actuator and method for manufacture |
| 09/28/2011 | CN102204282A Speaker manufacturing method |
| 09/28/2011 | CN102204278A Moving-magnet loudspeaker and method for manufacturing same |
| 09/28/2011 | CN102204275A Electronic devices including vertically mounted loudspeakers and related assemblies and methods |
| 09/28/2011 | CN102204274A Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones |
| 09/27/2011 | US8027492 Armature for a receiver |
| 09/22/2011 | US20110227671 Temperature compensated thin film acoustic wave resonator |
| 09/21/2011 | CN201986146U 电容式麦克风及其线路板形成组件 Condenser microphones formed components and circuit boards |
| 09/21/2011 | CN102197661A Speaker, speaker manufacturing method and speaker manufacturing jig |
| 09/21/2011 | CN102196352A Manufacturing method of silicon microphone |
| 09/21/2011 | CN102196345A Capacitance type sensor and manufacturing method thereof |
| 09/21/2011 | CN102196343A Horn elastic wave with different hardness and manufacturing method thereof |
| 09/21/2011 | CN102190282A MEMS (Micro Electro Mechanical System) packaging structure and manufacturing method thereof |
| 09/21/2011 | CN101159994B Flying fork type full-automatic voice coil winding machine |
| 09/15/2011 | WO2011111042A1 Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith |
| 09/15/2011 | US20110222369 Acoustic Transducer with a Liquid-Filled Porous Medium Backing and Methods of Making and Using Same |
| 09/15/2011 | US20110222188 Perpendicular recording magnetic head, manufacturing method thereof and magnetic disk drive |
| 09/15/2011 | CA2792741A1 Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith |
| 09/14/2011 | CN201976248U 微电子机械系统传声器 MEMS microphones |
| 09/14/2011 | CN1802037B Back electret type silicon-based minisize electret capacitor microphone |
| 09/14/2011 | CN102187687A Diaphragm for sound converter and sound converter including the same |
| 09/14/2011 | CN101529505B Method for making arm for hard disk drive |
| 09/14/2011 | CN101141835B Semiconductor microphone unit |
| 09/13/2011 | US8015694 Method for making a scissoring-type current-perpendicular-to-the-plane (CPP) magnetoresistive sensor |
| 09/13/2011 | US8015692 Method for providing a perpendicular magnetic recording (PMR) head |
| 09/07/2011 | EP2364036A2 Voice input device, its manufacturing method and information processing system |
| 09/07/2011 | CN101141837B Sound box ring screen cloth welding method |
| 09/06/2011 | US8011084 Method for fabricating narrow magnetic read width TMR/CPP sensors |
| 09/06/2011 | US8011083 Process of manufacturing a transducer assembly for an ultrasonic fluid meter |
| 09/01/2011 | WO2011104784A1 Converter module, and method for producing same |
| 09/01/2011 | WO2011104624A1 Mass loading for piston loudspeakers |
| 09/01/2011 | WO2011103720A1 Semiconductor package for mems device and method of manufacturing the same |
| 09/01/2011 | US20110213271 Acoustic respiratory monitoring sensor having multiple sensing elements |
| 09/01/2011 | DE102010009453A1 Schallwandler zum Einsetzen in ein Ohr Transducer for insertion into an ear |
| 08/31/2011 | CN102170603A Mechanical frequency division diaphragm and manufacturing method thereof |
| 08/31/2011 | CN101282596B Method of manufacturing speaker diaphragms |
| 08/30/2011 | US8009858 Loudspeaker |
| 08/30/2011 | US8009387 Forming an aluminum alloy oxynitride underlayer and a diamond-like carbon overcoat to protect a magnetic recording head and/or media |
| 08/25/2011 | WO2011102104A1 Capacitor microphone and production method therefor |
| 08/24/2011 | CN201947440U 全自动搭边打胶机输送转盘定位机构 Automatic take the side of a plastic machine carousel positioning mechanism |
| 08/24/2011 | CN102164332A Ultrathin electromagnetic vibration device and manufacturing method thereof |
| 08/18/2011 | WO2011098731A1 Electrodynamic transducer structure and its manufacturing process |
| 08/18/2011 | DE102010008044A1 MEMS-Mikrofon und Verfahren zur Herstellung MEMS microphone and methods for preparing |
| 08/17/2011 | EP2356823A1 Electronic devices including vertically mounted loudspeakers and related assemblies and methods |
| 08/17/2011 | EP2356822A1 Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones |
| 08/17/2011 | CN102158795A Method for accelerating agglutination and curing of loudspeaker cone corrugated rim and loudspeaker bracket by hot-pressing forming machine |
| 08/17/2011 | CN102158794A Capacitive electromechanical transducer |
| 08/17/2011 | CN102158789A MEMS (Micro Electro Mechanical System) microphone structure and forming method thereof |
| 08/17/2011 | CN102158788A MEMS (Micro-electromechanical Systems) microphone and formation method thereof |
| 08/17/2011 | CN102158787A MEMS (Micro Electro Mechanical System) microphone and pressure integration sensor, and manufacturing method thereof |
| 08/17/2011 | CN102155516A Eight-rod-redundant-configuration and six-degree-of-freedom active vibration control device |
| 08/17/2011 | CN101502825B Full-automatic glue-dropping machine |
| 08/17/2011 | CN101325823B Encapsulation construction for silicon crystal microphone |
| 08/17/2011 | CN101120614B Method for producing diaphragm for speaker |
| 08/16/2011 | US8000064 Thin-film magnetic head for perpendicular magnetic recording and method of making the same |
| 08/11/2011 | US20110194723 Magnetic Diaphragm and Manufacturing Method thereof |
| 08/11/2011 | DE102010000392A1 Carbon nano tube-ultrasound quick microphone for use as airborne sound detector to detect ultrasonic signals in air for e.g. medical therapy, has freely supported graphical structure for electrical conductively connecting electrodes |
| 08/10/2011 | EP2355545A1 Electrode connector and film speaker |
| 08/10/2011 | CN1703932B Membrane and method for the production of the same |
| 08/10/2011 | CN101271275B Horn net manufacturing technique by etching method |
| 08/09/2011 | US7992283 Surface micromachined differential microphone |
| 08/04/2011 | WO2011093008A1 Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method |
| 08/04/2011 | US20110190799 Ultrasonic transducer system |
| 08/04/2011 | US20110188694 variable directional microphone assembly and method of making the microphone assembly |
| 08/04/2011 | DE102010006469A1 Leitvorrichtung für eine Höreinrichtung Guide for a listening device |
| 08/03/2011 | EP2352311A1 Microphone |
| 08/03/2011 | CN1771759B A carrier element for a hearing aid and its manufacturing method |
| 08/03/2011 | CN102143427A Sound film beat dividing mechanism |
| 08/03/2011 | CN102143423A Ultrasonic impedance matching layer of ultrasonic transducer, manufacturing method thereof and ultrasonic transducer |
| 07/28/2011 | WO2011089345A1 Electrodynamic speaker structure having mems technology |
| 07/28/2011 | US20110179634 Method of making a transducer with a conductive magnetic layer |
| 07/27/2011 | CN1997243B Pliable loudspeaker and its making method |
| 07/27/2011 | CN102137325A Multipolar magnetic sucking disk and manufacture method thereof |
| 07/27/2011 | CN102137324A Method for manufacturing multipolar magnetic carrying clamp, and clamp |
| 07/27/2011 | CN102137323A Manufacture process of speaker |
| 07/27/2011 | CN102134054A Method for fabricating MEMS device |
| 07/27/2011 | CN101189911B Production equipment for loud speaker magnetic circuit |
| 07/26/2011 | US7986497 Low resistance TMR read head fabricated by a novel oxidation method |
| 07/26/2011 | US7984545 Approaches for manufacturing a head gimbal assembly |