| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) | 
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| 07/04/2012 | EP1790196B1 Securing magnets in high-efficiency planar magnetic transducers | 
| 07/04/2012 | CN102550043A Dust protection apparatus for flat loudspeakers | 
| 07/04/2012 | CN102547548A Paste brushing device for production of silicon microphone and paste brushing process using paste brushing device | 
| 07/04/2012 | CN102547540A Integrated injection molding plastic horn and manufacture process thereof | 
| 07/04/2012 | CN102547534A Film electret, method of manufacturing film electrets and sound playing device | 
| 07/04/2012 | CN102547510A Earphone and processing method thereof | 
| 07/04/2012 | CN102547495A Sound box with woven surface mesh, and assembly fixture and method for sound box | 
| 07/04/2012 | CN101987720B Method of fabricating integrated semiconductor device and structure thereof | 
| 07/04/2012 | CN101969594B Acoustic passive radiator with rocking-mode reduction | 
| 07/04/2012 | CN101516054B Method for assembling earphone | 
| 07/04/2012 | CN101489172B Manufacturing method for miniature microphone | 
| 07/04/2012 | CN101282593B Speaker diaphragms and dynamic speakers | 
| 07/04/2012 | CN101261965B Encapsulation structure with micro hole and its making method | 
| 07/03/2012 | US8209847 Method of fabricating a magnetic head | 
| 06/28/2012 | US20120163650 Method and apparatus for a loudspeaker assembly | 
| 06/27/2012 | CN102523550A Miniature loudspeaker module and manufacturing method thereof | 
| 06/27/2012 | CN102523549A Integrated circuit board protection box assembling method | 
| 06/27/2012 | CN102523543A Application of novel resin material for making sound box driver diaphragm | 
| 06/27/2012 | CN101353153B MEMS sensor and manufacturing method thereof | 
| 06/26/2012 | US8208346 Selectable tuning transformer | 
| 06/26/2012 | US8205323 Method of manufacturing head gimbal assembly | 
| 06/21/2012 | WO2012081772A1 Condenser microphone structure appropriate for vacuum suction mounting, and mounting method thereof | 
| 06/21/2012 | US20120153776 Ultrasound Transducer with Improved Adhesion Between Layers | 
| 06/20/2012 | EP1446238B1 Ultrasonic printed circuit board transducer | 
| 06/20/2012 | CN101346014B Micro electro-mechanical system microphone and preparation method thereof | 
| 06/19/2012 | US8201321 Method of forming magnetic layer pattern, and method of manufacturing perpendicular magnetic recording head | 
| 06/19/2012 | US8201320 Method for manufacturing a magnetic write head having a wrap around shield that is magnetically coupled with a leading magnetic shield | 
| 06/19/2012 | US8201319 Method for forming slider pad for contact mitigation | 
| 06/19/2012 | US8201311 Process of making a BAW resonator bi-layer top electrode | 
| 06/14/2012 | US20120148083 Microphone package and method for manufacturing same | 
| 06/14/2012 | US20120148071 Micromechanical Digital Loudspeaker | 
| 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 | 
| 06/13/2012 | EP2464141A2 A motor assembly | 
| 06/13/2012 | CN1882198B Method for designing sound pressure frequency response curve of drive location optimization bending vibration type thin plate loudspeaker | 
| 06/12/2012 | US8197413 Transducers, devices and systems containing the transducers, and methods of manufacture | 
| 06/12/2012 | US8196285 Method and system for providing a pole for a perpendicular magnetic recording head using a multi-layer hard mask | 
| 06/12/2012 | US8196284 Manufacturing method of base and manufacturing method of disk drive device | 
| 06/12/2012 | US8196282 Methods of making speakers | 
| 06/07/2012 | US20120143063 Ultrasound probe with large field of view and method for fabricating such ultrasound probe | 
| 06/07/2012 | US20120140967 Hearing device with a vent extension and method for manufacturing such a hearing device | 
| 06/06/2012 | EP1699913B1 A method for generating noise references for generalized sidelobe canceling | 
| 06/06/2012 | DE102011008995A1 Speaker cover i.e. rear stereo console, for motor car speaker, has sound-permeable grating region with hole pattern, which comprises multiple holes and exhibits minimum degree of permeability for specific frequency range speaker | 
| 06/06/2012 | CN202269016U 一种智能型绕线机 An intelligent Winder | 
| 06/06/2012 | CN202269005U Loudspeaker diaphragm and loudspeaker using same | 
| 06/06/2012 | CN101572851B Magnesium alloy integrally cast sound box and manufacturing method thereof | 
| 06/05/2012 | US8194352 Manufacturing twisted base plate of head suspension for reducing off-track errors | 
| 06/05/2012 | US8191238 Method for forming a magnetic writer | 
| 06/05/2012 | US8191237 Method for providing a structure in a magnetic transducer | 
| 06/05/2012 | US8191235 Method of producing magnetoresistance effect element | 
| 06/05/2012 | US8191233 Head stack assembly incorporating device, magnetic disk device manufacturing device, and method of manufacturing magnetic disk device | 
| 05/30/2012 | CN102484756A 致动器 Actuator | 
| 05/30/2012 | CN101646115B Silicon micro piezoelectric microphone based on inn-plane polarization of ferroelectric PZT film and manufacture method thereof | 
| 05/30/2012 | CN101552943B A sheet material for producing loudspeaker cone and its processing technique | 
| 05/30/2012 | CN101370320B Earplug made of wood and metal or made of plastic, wood and metal and production method thereof | 
| 05/29/2012 | US8189850 Ultrasonic probe and method of fabrication thereof | 
| 05/29/2012 | US8186040 Methods for creating slanted perpendicular magnetic pole via metal liftoff | 
| 05/23/2012 | EP1658753B1 Loudspeaker having a composite diaphragm structure | 
| 05/23/2012 | CN1997244B Capacitance microphone and its making method | 
| 05/23/2012 | CN102474692A 超声波探头及其制造方法 The method of manufacturing the ultrasonic probe and | 
| 05/23/2012 | CN102474684A 微型扬声器 Micro Speaker | 
| 05/23/2012 | CN102155516B Eight-rod-redundant-configuration and six-degree-of-freedom active vibration control device | 
| 05/23/2012 | CN101707504B Optical fiber intercome device | 
| 05/23/2012 | CN101577850B Implanted piezoelectric ceramic microphone and manufacturing method thereof | 
| 05/23/2012 | CN101573861B Micro-electro-mechanical transducers | 
| 05/23/2012 | CN101102619B Diaphragm for speaker and manufacturing method therefor | 
| 05/17/2012 | US20120121116 Suspension for a hearing device receiver, and a method of producing a hearing device, and a hearing device | 
| 05/16/2012 | CN102457802A 喇叭的自动化组装装置 Speaker of automated assembly equipment | 
| 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 | CN101219425B Electromagnetic vibration device and manufacturing method thereof | 
| 05/15/2012 | US8176622 Process for manufacturing a magnetic tunnel junction (MTJ) device | 
| 05/15/2012 | US8176617 Methods for making a sensitive resonating beam accelerometer | 
| 05/10/2012 | US20120116264 Surgical instrument with ultrasonic transducer having integral switches | 
| 05/10/2012 | US20120116260 Surgical instrument with motorized attachment feature | 
| 05/10/2012 | US20120114136 Speaker device | 
| 05/09/2012 | EP2449794A1 Actuator | 
| 05/09/2012 | CN202218402U Quick mounting device for loudspeaker secondary magnet | 
| 05/09/2012 | CN202218401U Centrifugal cutter device for microphone binding post production | 
| 05/09/2012 | CN202218389U Novel split T-shaped iron structure | 
| 05/09/2012 | CN102450036A Sound wave generator, method of producing same, and method of generating sound wave using sound wave generator | 
| 05/08/2012 | US8171618 Tunable pole trim processes for fabricating trapezoidal perpendicular magnetic recording (PMR) write poles | 
| 05/03/2012 | US20120106773 Speaker device and method for forming speaker device | 
| 05/02/2012 | EP1576850B1 Audio speaker and method for assembling an audio speaker | 
| 05/02/2012 | CN102438196A Loudspeaker and manufacturing method thereof | 
| 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 | US8170233 Loudspeaker array system | 
| 05/01/2012 | US8166633 Method for manufacturing an extraordinary magnetoresistive (EMR) device with novel lead structure | 
| 05/01/2012 | US8166632 Method for providing a perpendicular magnetic recording (PMR) transducer | 
| 05/01/2012 | US8166631 Method for fabricating a magnetic recording transducer having side shields | 
| 05/01/2012 | US8166630 Magnetic head slider manufacturing method | 
| 04/26/2012 | WO2009116957A3 Water resistant ultra-low pressure sensor | 
| 04/26/2012 | US20120099753 Backplate for Microphone | 
| 04/26/2012 | US20120097636 Acoustic substrate | 
| 04/25/2012 | EP1105344B1 Micromechanical sensor and corresponding production method | 
| 04/25/2012 | CN202204472U 工位识别装置及由其构成的绕线机 Station identification device and winding machine constructed by | 
| 04/25/2012 | CN102427571A 一种音圈骨架材料制作方法 One kind of voice coil bobbin material production methods | 
| 04/25/2012 | CN101076205B 微型扬声器的装配方法及微型扬声器 Assembly methods and micro-miniature loudspeaker speaker | 
| 04/24/2012 | US8161627 Method of making a write head lapping guide about aligned to a non-magnetic layer surrounding a write pole | 
| 04/24/2012 | US8161626 Method for manufacturing a suspension | 
| 04/19/2012 | US20120093353 Micro Speaker |