| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 04/24/2013 | CN103067844A Time-keeping storage shelf |
| 04/24/2013 | CN103067838A High sensitivity piezoelectric silicon microphone and preparation method thereof |
| 04/24/2013 | CN103067836A Moving-iron unit with integrate conduction rod and preparation method of integrate conduction rod |
| 04/24/2013 | CN103067835A Moving-coil speaker and manufacturing method thereof |
| 04/24/2013 | CN103067830A Vibrating diaphragm used for enhancing middle-frequency band outputs and preparation method thereof |
| 04/24/2013 | CN103067829A Vibrating diaphragm applied to medium-high frequency sound production unit and preparation method thereof |
| 04/24/2013 | CN103067828A Vibration diaphragm with low frequency compensation function and preparation method thereof |
| 04/24/2013 | CN103067799A Detachable and combined type microphone and manufacturing method of the same |
| 04/24/2013 | CN101808263B Silicon capacitor microphone and method for manufacturing same |
| 04/24/2013 | CN101631266B Speaker cones material and preparation method thereof |
| 04/23/2013 | US8424192 Method for manufacturing a pole for a magnetic recording head |
| 04/23/2013 | US8424175 Process for fabricating piezoelectrically actuated ultrananocrystalline diamond tip array integrated with ferroelectric or phase change media for high-density memory |
| 04/18/2013 | US20130094689 Microphone Unit, Method of Manufacturing Microphone Unit, Electronic Apparatus, Substrate for Microphone Unit and Method of Manufacturing Substrate for Microphone Unit |
| 04/18/2013 | US20130094677 Compound multi-speaker with modular structure |
| 04/18/2013 | US20130094675 Mems microphone and method of manufacturing the same |
| 04/18/2013 | US20130094106 Low translational load suspension assembly |
| 04/17/2013 | CN202889633U Magnetic circuit assembling machine |
| 04/17/2013 | CN103052017A Sounding device and manufacturing method thereof |
| 04/17/2013 | CN103052016A Integral vibrating diaphragm and preparation method thereof and moveable iron unit provided with integral vibrating diaphragm |
| 04/17/2013 | CN103052013A Receiver capable of prolonging stand-by time and assembly method thereof |
| 04/17/2013 | CN103052011A Micromechanical functional apparatus, particularly a loudspeaker apparatus, and appropriate method of manufacture |
| 04/17/2013 | CN101505441B Electronic apparatus, rheomicrophone combination and its production method |
| 04/17/2013 | CN101472211B Voice coil assembly, loudspeaker using the same, and method for producing the same |
| 04/16/2013 | US8418353 Method for providing a plurality of energy assisted magnetic recording EAMR heads |
| 04/16/2013 | US8418349 Method of assembling a cordless hand-held ultrasonic cautery cutting device |
| 04/11/2013 | WO2013051524A1 Ultrasonic sensor and manufacturing method therefor |
| 04/11/2013 | US20130089231 Speaker magnet thermal management |
| 04/11/2013 | US20130089226 Auditory comprehension and audibility device |
| 04/11/2013 | US20130089224 Electrostatic loudspeaker with membrane performing out-of-plane displacement |
| 04/11/2013 | US20130088122 Direct writing of functionalized acoustic backing |
| 04/11/2013 | DE102011115060A1 Verfahren zur Herstellung von Ohrschalen A process for the production of ear cups |
| 04/11/2013 | DE102007042384B4 Verfahren zur Herstellung eines Formteils mit integriertem elektrostatischen Flächenlautsprecher A process for producing a molded part with integrated electrostatic panel loudspeaker |
| 04/10/2013 | EP2579616A1 Acoustic sensor, acoustic transducer, microphone using the acoustic transducer, and method for producing acoustic transducer |
| 04/10/2013 | EP2579615A1 Ultrasonic probe and method of manufacturing thereof |
| 04/10/2013 | CN202873061U Gradual-changing transitional acoustic impedance matching layer |
| 04/10/2013 | CN103039091A Backplate for microphone |
| 04/10/2013 | CN103037297A MEMS (Micro Electro Mechanical System) microphone and making method thereof |
| 04/10/2013 | CN103037275A Seamless headsets and related systems and methods of manufacture |
| 04/10/2013 | CN103037274A Seamless headsets and related systems and methods of manufacture |
| 04/09/2013 | US8413514 Method for manufacturing an ultrasonic transducer for use in a fluid medium |
| 04/09/2013 | US8413317 Method for fabricating a structure for a microelectric device |
| 04/04/2013 | WO2013047792A1 Speaker, manufacturing method thereof, and drive unit thereof |
| 04/04/2013 | US20130083956 Open-air earbuds and methods for making the same |
| 04/03/2013 | CN202856978U Integrated structure of digital sound transmission plate and shielding cavity |
| 04/03/2013 | CN202856977U Assembly tool for loudspeaker and filter pad part of handset |
| 04/03/2013 | CN103026732A Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith |
| 04/03/2013 | CN103024658A Installation unit for speaker paper sheets |
| 04/03/2013 | CN103024657A Method and system for testing audio port of handhold device |
| 04/03/2013 | CN103017795A Strain and pressure detecting device, microphone, and method for producing the strain and pressure detecting device and method for producing microphone |
| 04/02/2013 | US8410659 Electromechanical transducer and manufacturing method therefor |
| 04/02/2013 | US8407882 Method for manufacturing thin film magnetic heads |
| 03/28/2013 | US20130077814 Seamless headsets and related systems and methods of manufacture |
| 03/28/2013 | US20130077800 Tunable multichannel headphone and method for assembling the same |
| 03/28/2013 | US20130076208 Ultrasound probe and method of producing the same |
| 03/27/2013 | CN202823770U Loudspeaker on-line glue-injecting device |
| 03/27/2013 | CN103004232A Earphone driver and method of manufacture |
| 03/27/2013 | CN101854578B Miniature microphone manufacturing method based on Si-Si bonding process |
| 03/26/2013 | US8402831 Monolithic integrated CMUTs fabricated by low-temperature wafer bonding |
| 03/26/2013 | US8402635 Method of manufacturing a magnetic head including shield layers which surround a MR element |
| 03/21/2013 | US20130069488 Piezoelectric pressure sensitive transducer apparatus and method |
| 03/21/2013 | US20130069484 Ultrasound Transducer and Method for Making the Same |
| 03/21/2013 | US20130069480 Electromechanical transducer and method of manufacturing the electromechanical transducer |
| 03/21/2013 | DE102012215251A1 Micro-electro-mechanical systems component e.g. valve component, has anchorage structure setting counter-element under tensile stress so that deflections of counter-element counteract perpendicular to layer planes |
| 03/20/2013 | CN202818609U Automatic loudspeaker assembling system and PCB assembling machine |
| 03/20/2013 | CN202818608U Drum paper drying apparatus |
| 03/20/2013 | CN202818607U Experimental device for loudspeaker cone conical shape optimizing design |
| 03/20/2013 | CN102986253A Drive pin forming method and assembly for a transducer |
| 03/20/2013 | CN102984631A Sound effect piece and speaker and loudspeaker box made from sound effect piece and preparation technology thereof |
| 03/20/2013 | CN101911727B A magnet assembly for a loudspeaker |
| 03/14/2013 | US20130062007 Method For Facilitating Assembly Of A Printhead Having A Polymer Layer |
| 03/14/2013 | US20130061438 Piezoelectric speaker and method of manufacturing the same |
| 03/13/2013 | CN202799157U Machine for molding disposable cloth cone automatically |
| 03/13/2013 | CN102970649A Damper forming pressing die |
| 03/13/2013 | CN102970647A Simulating calculation method for nonlinear characteristics in loudspeaker vibration |
| 03/13/2013 | CN102970644A Microphone polar plate assembly and method for machining polar plate unit by using same |
| 03/12/2013 | US8393074 Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus |
| 03/12/2013 | US8393071 Method for manufacturing an oscillator device |
| 03/07/2013 | WO2013032821A1 Piezoelectric microphone fabricated on glass |
| 03/07/2013 | WO2013031811A1 Acoustic sensor and method for manufacturing same |
| 03/07/2013 | US20130057987 Thin-film magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive |
| 03/07/2013 | US20130057350 Apparatus and Method for Low Noise Amplification |
| 03/07/2013 | US20130057114 Piezoelectric Multilayer Component and Method for Producing a Piezoelectric Multilayer Component |
| 03/06/2013 | CN102957994A Graphene film speaker and preparation method thereof |
| 03/06/2013 | CN102957979A Polar plate assembly for microphone and method for processing polar plate unit by utilizing same |
| 03/06/2013 | CN101330774B Method for assembling electromagnetic audible device |
| 03/05/2013 | US8387230 Method of making an ultrasonic transducer system |
| 02/28/2013 | WO2013028399A2 Acoustic apparatus and method of manufacturing |
| 02/28/2013 | US20130051588 Electroacoustic Transducer having Reduced Losses due to Transverse Emission and Improved Performance due to Suppression of Transverse Modes |
| 02/27/2013 | EP2563043A1 Ultrasound probe, production method therefor, and ultrasound diagnostic equipment |
| 02/27/2013 | CN102948170A Electrodynamic speaker structure having mems technology |
| 02/26/2013 | US8381392 Method for manufacturing a self-aligned bevel for a write pole |
| 02/26/2013 | US8381391 Method for providing a magnetic recording transducer |
| 02/26/2013 | US8381387 Method of fabricating an ultrasonic transducer |
| 02/26/2013 | US8381386 Method of manufacturing a boundary acoustic wave device |
| 02/21/2013 | US20130046230 Ultrasound-assisted convection enhanced delivery of compounds in vivo with a transducer cannula assembly |
| 02/19/2013 | US8375565 Method for providing an electronic lapping guide corresponding to a near-field transducer of an energy assisted magnetic recording transducer |
| 02/19/2013 | US8375564 Method for fabricating a pole of a magnetic transducer |
| 02/19/2013 | US8375560 Method for manufacturing a condenser microphone |
| 02/19/2013 | US8375559 Manufacturing method of a quartz crystal unit , a quartz crystal oscillator and an electronic apparatus |
| 02/14/2013 | WO2013020794A1 Dynamic electroacoustic transducer |