| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 09/19/2012 | CN102685656A Manufacturing method of microphone cartridge unit and finished product thereof |
| 09/19/2012 | CN102685632A Earphone structure with non-offset design and manufacturing method of earphone structure |
| 09/13/2012 | US20120230523 Electro acoustic transducer |
| 09/13/2012 | US20120227495 Methods for making a sensitive resonating beam accelerometer |
| 09/13/2012 | DE102011005292A1 Acoustic transducer for generating and receiving sound waves, has converting device, which is arranged for converting electrical signal into movement of movable element along moving direction |
| 09/12/2012 | CN102665162A Film stretching device and film stretching method for production of vibrating films of electret microphones |
| 09/12/2012 | CN102665160A Lead spot welding tooling and line spot welding method for sound films of loudspeakers |
| 09/12/2012 | CN102659069A Component having at least one MEMS element and method for the manufacture thereof |
| 09/11/2012 | US8261430 Method for manufacturing anti-electromagnetic interference shields |
| 09/11/2012 | US8261427 Methods for manufacturing crystal devices |
| 09/05/2012 | CN202425045U Three-dimensional mesh plate for brushing paste on silicon microphone |
| 09/05/2012 | CN202425044U Scraper used in matching with three-dimensional screen plate for paste brushing of silicon microphones |
| 09/05/2012 | CN202425043U Packaging structure of silicon capacitance microphone |
| 09/05/2012 | CN102655617A Microphone and assembling method thereof |
| 09/05/2012 | CN101626539B Manufacture method of high performance paper loudspeaker diaphragm materials |
| 09/05/2012 | CN101511048B Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system |
| 09/05/2012 | CN101365265B Transducer manufacturing method and transducer obtained by the method |
| 09/05/2012 | CN101252793B Speaker diaphragm and speaker including the same |
| 09/04/2012 | US8256095 Method for manufacturing a magneto-resistance effect element |
| 09/04/2012 | US8256093 Method of manufacturing an acoustic mirror |
| 08/30/2012 | WO2012114538A1 Method for manufacturing semiconductor device and method for manufacturing microphone |
| 08/30/2012 | WO2012114156A1 A transducer apparatus with a tension actuator |
| 08/30/2012 | DE102011012295A1 Microelectromechanical system microphone for mobile radio unit, has transducer element enclosed between cover and carrier, and sound inlet openings formed in carrier and cover, respectively |
| 08/29/2012 | EP2493217A2 Method and apparatus for manufacturing a passive component for an acoustic transducer |
| 08/29/2012 | EP2493214A1 Silicon condenser microphone having an additional back chamber and a fabrication method therefor |
| 08/29/2012 | CN101208184B Shaping method and tool of hearing aid deformable long component |
| 08/28/2012 | US8254608 Hearing aid device and method of producing a hearing aid device |
| 08/28/2012 | US8252190 Method for manufacturing a magnetic write head having a hard mask defined write pole trailing edge step |
| 08/28/2012 | US8250737 Method for manufacturing head including light source unit for thermal assist |
| 08/28/2012 | US8250736 Method for manufacturing a magnetic recording medium |
| 08/23/2012 | US20120210560 Method for manufacturing a condenser microphone |
| 08/22/2012 | CN1917720B Silicon base capacitor microphone |
| 08/22/2012 | CN1813490B Package structure of silicon capacitor microphone and fabrication method thereof |
| 08/22/2012 | CN102647654A Enhanced paper cone for speakers and production method thereof |
| 08/22/2012 | CN102647653A Auxiliary magnetic structure of loudspeaker and assembling method of auxiliary magnetic structure |
| 08/22/2012 | CN101845285B Glue, preparation method thereof, soundbox air duct gluing method and soundbox |
| 08/22/2012 | CN101674521B Production process of electroacoustic component |
| 08/22/2012 | CN101489170B Self-detecting silicon micromechanical microphone and production method thereof |
| 08/22/2012 | CN101478712B Manufacturing method for horn-network with changing pattern |
| 08/16/2012 | US20120207332 Housed Loudspeaker Array |
| 08/16/2012 | US20120204416 Method and apparatus for manufacturing a passive component for an acoustic transducer |
| 08/16/2012 | US20120204415 Process for Producing an Acoustic Device Having a Controlled-Bandgap Phononic Crystal Structure Containing Conical Inclusions |
| 08/15/2012 | CN102638749A Housed loudspeaker array |
| 08/15/2012 | CN101646119B Silicon condenser microphone chip with micro-honeycomb structural vibration membrane and preparation method thereof |
| 08/14/2012 | US8240026 Method of manufacturing a magneto-resistive device |
| 08/14/2012 | US8240025 Method for manufacturing head including light source unit for thermal assist |
| 08/14/2012 | US8240024 Methods for fabricating magnetic transducers using post-deposition tilting |
| 08/14/2012 | US8240023 Method for manufacturing a quartz crystal unit |
| 08/09/2012 | US20120201413 Module for containing an earpiece for an audio device |
| 08/09/2012 | US20120201410 Microphone unit, close-talking voice input device, information processing system, and method of manufacturing microphone unit |
| 08/08/2012 | CN1934901B Multifunction vibration actuator and portable terminal device |
| 08/08/2012 | CN1839658B Loudspeaker having a composite diaphragm structure |
| 08/08/2012 | CN102630071A Assembly method for speaker and magnetic armature and basket thereof |
| 08/08/2012 | CN101787247B Chain type fully-automatic magnetic path adhering equipment and method for adhering components |
| 08/08/2012 | CN101360352B Miniature microphone having shielding construction and manufacturing method for circuit board frame |
| 08/07/2012 | US8234774 Method for fabricating a microelectromechanical system (MEMS) resonator |
| 08/02/2012 | WO2012102394A1 Ultrasonic transducer, ultrasonic probe, and method for producing ultrasonic transducer |
| 08/01/2012 | EP1928208B1 Speaker and electronic equipment utilizing the same |
| 08/01/2012 | CN102625226A Assembling method for mini-size loudspeaker assembly |
| 08/01/2012 | CN102625225A Automated customization of loudspeakers |
| 08/01/2012 | CN102625224A Chip and method for integrating capacitance silicon microphone and integrated circuit chip |
| 08/01/2012 | CN102625223A Assembly method of integrated exterior earcap |
| 08/01/2012 | CN102625214A Electromagnetic vibrator vibrating board device and manufacturing method thereof |
| 07/31/2012 | US8230583 Method for manufacturing a magnetic write head |
| 07/31/2012 | US8230582 Methods of making magnetic write heads with use of a resist channel shrinking solution having corrosion inhibitors |
| 07/31/2012 | US8230576 Method of manufacturing capacitive electromechanical transducer |
| 07/26/2012 | US20120189152 Component having a micro-mechanical microphone structure and method for producing the component |
| 07/25/2012 | CN102611983A Processing technology of composite cone |
| 07/25/2012 | CN102611975A MEMS silicon microphone employing eutectic bonding and SOI silicon slice and method for producing the same |
| 07/25/2012 | CN102611973A Electromagnetic vibration device and manufacturing method of electromagnetic vibration device |
| 07/25/2012 | CN102611971A Ball top type vibration system and manufacturing method thereof and loudspeaker |
| 07/25/2012 | CN102611954A Microphone dustproof structure and assembling method thereof |
| 07/25/2012 | CN101378604B Voice coil and speaker |
| 07/24/2012 | US8225489 Method of manufacturing magnetoresistive element having a pair of free layers |
| 07/24/2012 | US8225488 Method for providing a perpendicular magnetic recording (PMR) pole |
| 07/24/2012 | US8225487 Method for confining sense current of a read transducer to an air-bearing surface(ABS) side of a free layer |
| 07/24/2012 | US8225486 Method of manufacturing a perpendicular magnetic recording head |
| 07/24/2012 | US8225485 Method of manufacturing a head suspension |
| 07/18/2012 | CN1909747B Electrostatic ultrasonic transducer, ultrasonic speaker, and electrode manufacturing method |
| 07/18/2012 | CN1765152B Speaker and method for manufacturing the same |
| 07/18/2012 | CN102595302A Film perforating device for receiver |
| 07/18/2012 | CN102595301A Structure and method for mounting flat panel speaker, diaphragm, flat panel speaker and electronic apparatus |
| 07/18/2012 | CN102595285A Framework of speech coil and preparation method of framework |
| 07/18/2012 | CN102595284A Miniature electroacoustic transducer and assembly method thereof |
| 07/18/2012 | CN101106839B Pressure sensor and manufacturing method therefor |
| 07/17/2012 | US8224006 Hearing aid device and a method of manufacturing a hearing aid device |
| 07/17/2012 | US8220136 Forming a planarized surface for at least one bar of sliders |
| 07/12/2012 | US20120174678 Wireless saw sensors having integrated antennas |
| 07/11/2012 | EP2473830A1 A mems stress concentrating structure for mems sensors |
| 07/11/2012 | CN202334898U 一种组装方便的新型喇叭 Convenient method of assembling a new speaker |
| 07/11/2012 | CN202334897U 一种pcb板自动入壳机 Pcb board into one kind of automatic polishing machines |
| 07/11/2012 | CN202334896U 一种自动涂中心胶将膜片与音圈粘接一起的设备 An automatic coating center of the diaphragm and voice coil bonding glue together the equipment |
| 07/11/2012 | CN202334895U 一种硅麦自动检测机 A silicone wheat automatic inspection machine |
| 07/11/2012 | CN1883227B Electro-acoustic transducer comprising an RFID circuit |
| 07/11/2012 | CN102572674A Microphone package and method for manufacturing same |
| 07/11/2012 | CN102572666A Microphone packaging and manufacturing method |
| 07/11/2012 | CN102572665A Condenser microphone structure appropriate for vacuum suction mounting, and mounting method thereof |
| 07/10/2012 | US8214999 Method of forming a miniature, surface microsurfaced differential microphone |
| 07/05/2012 | US20120170794 Slim-type speaker and method of assembling the same |
| 07/05/2012 | DE102011002457A1 Mikromechanische Mikrofoneinrichtung und Verfahren zum Herstellen einer mikromechanischen Mikrofoneinrichtung Micromechanical microphone device and method for fabricating a micromechanical microphone means |