| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 05/04/2011 | CN101041154B Electromagnetic vibrator and its preparing method |
| 05/03/2011 | US7934310 Process to manufacture a magnetic write head |
| 05/03/2011 | US7934306 Method for packaging micro electromechanical systems microphone |
| 04/28/2011 | WO2011049319A2 Method and apparatus for manufacturing a passive component for an acoustic transducer |
| 04/28/2011 | WO2011049276A1 Silicon condenser microphone having an additional back chamber and a fabrication method therefor |
| 04/28/2011 | US20110095645 Electromechanical transducer and manufacturing method therefor |
| 04/28/2011 | DE102009040028A1 Ultrasonic transducer for use in distance warning device of motor vehicle, has electromechanical oscillation generator for vibration excitation of membrane and connected with membrane by mechanical connection in form-fit manner |
| 04/27/2011 | EP2315457A1 Capacitance type vibration sensor |
| 04/27/2011 | CN102036160A Method for assembling loudspeaker component |
| 04/27/2011 | CN102036159A Manufacturing method of silicon-based microphone |
| 04/26/2011 | US7930817 Method of manufacturing a thermally assisted magnetic head |
| 04/21/2011 | US20110088248 Diagnostic ultrasound transducer |
| 04/20/2011 | CN102026581A Ultrasonic probe, method for manufacturing the same and ultrasonic diagnostic device |
| 04/20/2011 | CN102026085A Assembly method and assembly device of damp in microphone |
| 04/20/2011 | CN102026084A Manufacturing method of electret condenser microphone |
| 04/20/2011 | CN102026060A Vibrating diaphragm and preparation method thereof |
| 04/20/2011 | CN102026058A Drive-by-wire earphone device and design method thereof |
| 04/20/2011 | CN101005718B Micro acoustic sensor and its producing method |
| 04/19/2011 | US7929377 Ultrasound sensor, in particular, a motor vehicle ultrasound sensor |
| 04/19/2011 | US7929257 Magnetic thin film having spacer layer that contains CuZn |
| 04/19/2011 | US7926167 Method to assemble a disk drive |
| 04/19/2011 | US7926163 Method of producing an oscillator device |
| 04/14/2011 | US20110085683 Fully differential low-noise capacitor microphone circuit |
| 04/13/2011 | EP2308243A1 Micromechanical component with rear volume |
| 04/13/2011 | CN201797600U Automatic machine for manufacturing loudspeaker cone |
| 04/13/2011 | CN102014334A Sound film molding pressing die for loudspeaker |
| 04/13/2011 | CN101086956B Method for fabricating semiconductor device |
| 04/12/2011 | US7925041 Method of making a linkage assembly for a transducer and the like |
| 04/12/2011 | US7921544 Method of manufacturing a thin film magnetic head structure |
| 04/12/2011 | US7921543 Method of manufacturing a disk drive using a media cover |
| 04/12/2011 | US7921542 Manufacturing method of a disk drive unit |
| 04/12/2011 | US7921540 System of component s usable in the manufacture of an acoustic transducer |
| 04/07/2011 | WO2011038428A1 Method for producing loudspeaker housing elements and loudspeaker housings |
| 04/06/2011 | CN1694577B One-chip silicon-base miniature capacitor microphone and manufacturing method thereof |
| 04/06/2011 | CN102006540A Piezoelectric micro speaker having piston diaphragm and method of manufacturing the same |
| 04/06/2011 | CN101132654B Micro-electromechanical microphone packaging system |
| 03/31/2011 | US20110075879 Piezoelectric micro speaker with curved lead wires and method of manufacturing the same |
| 03/31/2011 | US20110075867 Piezoelectric micro speaker including weight attached to vibrating membrane and method of manufacturing the same |
| 03/31/2011 | US20110075865 Dual Single-Crystal Backplate Microphone System and Method Of Fabricating Same |
| 03/31/2011 | US20110072645 Micropositioning recording head for a magnetic storage device |
| 03/30/2011 | CN101998213A 一种mems麦克风的封装结构及晶圆级封装方法 Package structure for a mems microphones and wafer level packaging method |
| 03/30/2011 | CN101150888B Encapsulation structure and its encapsulation method for computer electric microphone |
| 03/29/2011 | US7913366 Ultrasonic probe and manufacturing process thereof |
| 03/24/2011 | US20110071396 Ultrasonic probe, method for manufacturing the same and ultrasonic diagnostic apparatus |
| 03/24/2011 | US20110069848 Speaker with Acoustic Damped Port |
| 03/23/2011 | CN101990152A Thermal sounding device and manufacturing method thereof |
| 03/23/2011 | CN101987720A Method of fabricating integrated semiconductor device and structure thereof |
| 03/22/2011 | US7911735 Perpendicular magnetic recording head utilizing a nonmagnetic underlayer layer |
| 03/22/2011 | US7908739 Motor assembly and method of manufacturing thereof |
| 03/17/2011 | US20110064250 Piezoelectric micro speaker including annular ring-shaped vibrating membranes and method of manufacturing the piezoelectric micro speaker |
| 03/17/2011 | US20110061965 Method and apparatus for a loudspeaker assembly |
| 03/16/2011 | CN1663322B Electro-dynamic planar loudspeakers |
| 03/15/2011 | US7905007 Method for forming a matching layer structure of an acoustic stack |
| 03/15/2011 | US7905006 Method of manufacturing faceplate for in-the-ear hearing aid |
| 03/15/2011 | CA2613507C A method and a tool for shaping an elongated deformable member for a hearing aid |
| 03/09/2011 | EP1688015B1 Electro-acoustic transducer comprising an electronic circuit |
| 03/09/2011 | CN1972531B Acoustic diaphragm, and method of fabricating acoustic diaphragm |
| 03/08/2011 | US7900342 Methods of fabricating magnetoresistance sensors pinned by an etch induced magnetic anisotropy |
| 03/08/2011 | US7900341 Method of manufacturing hard disk recording device using patterned medium |
| 03/08/2011 | US7900338 Method of making a transducer having a plastic matching layer |
| 03/08/2011 | US7900337 Method of making composite acoustic transducers |
| 03/03/2011 | WO2011024396A1 Capacitor microphone and method for manufacturing same |
| 03/03/2011 | US20110051966 Hearing aid device and method of producing a hearing aid device |
| 03/03/2011 | US20110051965 Hearing aid device and a method of manufacturing a hearing aid device |
| 03/03/2011 | US20110048138 Mems stress concentrating structure for mems sensors |
| 03/03/2011 | US20110047785 Methods for fabricating magnetic transducers using post-deposition tilting |
| 03/03/2011 | US20110047783 Method of manufacturing vertically separated acoustic filters and resonators |
| 03/02/2011 | EP2289419A1 Ultrasonic probe, method for manufacturing the same and ultrasonic diagnostic device |
| 03/02/2011 | CN201754616U Chain type full-automatic bonding equipment for magnetic circuit |
| 03/02/2011 | CN101982985A Electric loudspeaker and constructing method thereof |
| 03/01/2011 | US7895732 Method for manufacturing a perpendicular magnetic recording head |
| 03/01/2011 | US7895731 Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver |
| 03/01/2011 | US7895727 Method for manufacturing an electroacoustical transducer comprising a membrane configuration |
| 02/24/2011 | WO2011021341A1 Electromechanical converter, microphone, and method for manufacturing electromechanical converter |
| 02/24/2011 | US20110044485 Method and apparatus for an insulated electromagnetic shield for use in hearing assistance devices |
| 02/23/2011 | CN101981946A Diaphragm for speaker, speaker, and method for producing diaphragm for speaker |
| 02/22/2011 | US7891080 Techniques for detecting head-disc contact |
| 02/22/2011 | US7891079 Manufacturing apparatus of a head gimbal assembly and manufacturing method of a head gimbal assembly |
| 02/22/2011 | US7891077 Method of preparing a polymer actuator |
| 02/17/2011 | US20110038495 Piezoelectric micro speaker and method of manufacturing the same |
| 02/17/2011 | US20110036808 Ultrasonic transducer, ultrasonic transducer fabrication method, and ultrasonic endoscope |
| 02/17/2011 | US20110036173 Remotely addressable pressure and/or temperature measuring device installed in a biological medium |
| 02/17/2011 | DE102009036337A1 Device for embedding e.g. cardboard of transversal wave loudspeaker into material or substance, has conveyor belt moved from left to right to transport material, where membrane is partially surrounded by material |
| 02/16/2011 | CN101978706A Waterproofing loudspeaker cones |
| 02/16/2011 | CN101977341A Electro-dynamic loudspeaker, assembling method thereof, and method for forming conductor or electrical contact |
| 02/16/2011 | CN101977340A Electro-dynamic planar loudspeaker |
| 02/15/2011 | US7889876 Loudspeaker driver assemblies |
| 02/15/2011 | US7886423 Slider with micro-texture and method for forming the same |
| 02/15/2011 | US7886422 Ultrasonic reclaim method for disk drive suspensions |
| 02/10/2011 | US20110034809 High Resolution Intravascular Ultrasound Transducer Assembly Having A Flexible Substrate |
| 02/10/2011 | US20110031059 Foam compositions with enhanced sound attenuation |
| 02/09/2011 | EP2282554A1 Voice input device and manufacturing method thereof, and information processing system |
| 02/09/2011 | CN201742556U Microphone automatic assembling device |
| 02/09/2011 | CN101969594A Acoustic passive radiator with rocking-mode reduction |
| 02/09/2011 | CN101506987B Vibration sensor and method for manufacturing the vibration sensor, microphone manufacture method |
| 02/08/2011 | US7882618 Fabricating magnetic read heads with a reduced scratch exposure region |
| 02/08/2011 | US7882616 Manufacturing single-sided storage media |
| 02/08/2011 | US7882612 Method for producing a membrane |
| 02/03/2011 | WO2011013294A1 Moving-magnet loudspeaker and method for manufacturing same |
| 02/03/2011 | US20110026752 Miniature microphone, protection frame thereof and method for manufacturing the same |