| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 06/17/2009 | CN201260247Y Sound membrane and piezoelectric piece bonding apparatus |
| 06/17/2009 | CN201260246Y Net cover sticking tool |
| 06/16/2009 | US7548632 Speaker, module using the same, electronic equipment and device, and speaker producing method |
| 06/16/2009 | US7547275 Middle ear implant transducer |
| 06/11/2009 | WO2009073325A1 Method and system of a linkage assembly for use in an electroacoustic transducer |
| 06/11/2009 | US20090147983 Method and system of a linkage assembly for use in an electroacoustic transducer |
| 06/11/2009 | US20090144963 Contour-Mode Piezoelectric Micromechanical Resonators |
| 06/10/2009 | DE102007057319A1 Earphone has two jackets which are connected to form housing and stress relief casing is provided between two jackets, where stress relief casing has inner molded padding and outer molded padding |
| 06/10/2009 | DE102007053540A1 In-dem-Ohr Hörgerätgehäuse und dessen Herstellung In-the-ear hearing aid housing and its production |
| 06/10/2009 | CN100499877C Chip having high sensitivity for silicon micro-capacitor microphone and preparation method thereof |
| 06/10/2009 | CN100498931C Thin film acoustic resonator and method of manufacturing resonator |
| 06/04/2009 | WO2006123301A3 Micro-electro-mechanical transducers |
| 06/04/2009 | WO2006123300A3 Micro-electro-mechanical transducers |
| 06/02/2009 | US7540077 Method for bonding slider row bars for photolithography process |
| 05/28/2009 | US20090136065 Composite speaker and its manufacturing method |
| 05/28/2009 | US20090136059 Microphone system, sound input apparatus and method for manufacturing the same |
| 05/28/2009 | US20090134746 Ultrasonic probe, ultrasonic diagnosis apparatus, and ultrasonic probe manufacturing method |
| 05/27/2009 | CN201248135Y Assembly structure for horn |
| 05/27/2009 | CN101442701A Method for manufacturing earphone hang |
| 05/27/2009 | CN101442697A Electret capacitor microphone and preparation method thereof |
| 05/26/2009 | US7539324 Loudspeaker diaphragm systems |
| 05/26/2009 | US7537964 Method of fabricating a miniature silicon condenser microphone |
| 05/26/2009 | US7536779 Method of manufacturing magnetic head |
| 05/26/2009 | US7536778 Method of fabrication for slider with underpass leads |
| 05/26/2009 | US7536777 Use of metal capped seed layers for the fabrication of perpendicular thin film heads |
| 05/26/2009 | US7536776 Fabrication method for thin film magnetic heads |
| 05/26/2009 | US7536775 Method for sample preparation for exposing a main pole of a recording head |
| 05/26/2009 | US7536771 Method for loading single head in a hard disk drive |
| 05/26/2009 | US7536769 Method of fabricating an acoustic transducer |
| 05/21/2009 | US20090126183 Method of fabricating a polymer-based capacitive ultrasonic transducer |
| 05/20/2009 | DE102007053539A1 Faceplate für Hörgeräte und Verfahren zur Herstellung eines Faceplates Faceplate for hearing aids and methods for producing a faceplate |
| 05/20/2009 | CN101437192A Method for preparing vibration-damping speaker rack |
| 05/20/2009 | CN100490562C Air permenbility regulating machine |
| 05/20/2009 | CN100488473C Full-implanting type artificial cochlea and method for making same |
| 05/19/2009 | US7533456 Fabrication process for magneto-resistive effect devices of the CPP structure |
| 05/14/2009 | US20090123014 In-the-ear hearing device housing and the production thereof |
| 05/14/2009 | US20090122651 Direct wafer bonded 2-D CUMT array |
| 05/14/2009 | US20090119905 Method of fabricating an ultra-small condenser microphone |
| 05/12/2009 | US7530160 Method for manufacturing a magnetoresistive sensor having improved antiparallel tab free layer biasing |
| 05/12/2009 | US7530159 Method of distortion correction in shrink processes for fabrication of write poles |
| 05/07/2009 | US20090116682 Speaker and Method of Manufacturing the Same |
| 05/07/2009 | US20090116681 Voice coil assembly, loudspeaker using the same, and method for producing the same |
| 05/07/2009 | US20090116673 Hearing aid, in particular a behind-the-ear hearing aid, and a method of assembling a hearing aid |
| 05/07/2009 | US20090115288 Piezoelectric loudspeaker |
| 05/06/2009 | EP2056623A2 Speaker and method of manufacturing the same |
| 05/06/2009 | CN101426170A Microphone manufacturing method |
| 05/06/2009 | CN101426163A Vibration sensor and method for manufacturing the same |
| 05/06/2009 | CN101426160A Novel static gag bit and assembly method thereof |
| 05/06/2009 | CN100486361C Method for manufacturing an electroacoustical transducer comprising a membrane configuration |
| 05/06/2009 | CN100486359C Method for preparing microphone chip |
| 05/05/2009 | US7528509 Multifunction-type vibration actuator and mobile terminal device |
| 05/05/2009 | US7526852 Method of manufacturing a tuning fork vibrator |
| 04/29/2009 | CN201230372Y Positioning sleeve used for circular digital microphone paster process |
| 04/29/2009 | CN101422053A Microphone manufacturing method |
| 04/29/2009 | CN101420651A Manufacturing method for loudspeaker drum paper |
| 04/28/2009 | US7524381 Method for controlling magnetostriction in a free layer of a magnetoresistive sensor |
| 04/28/2009 | US7523543 Methods of forming magnetic memory devices including ferromagnetic spacers |
| 04/28/2009 | US7523538 Method for mounting a gradient coil in a cylindrical magnet of a magnetic resonance system |
| 04/23/2009 | WO2009051850A1 Diaphragm for a condenser microphone |
| 04/23/2009 | US20090105596 Transducer arrays for medical ultrasound and method of making the same |
| 04/22/2009 | CN101415142A Method for manufacturing disposable microphone cover |
| 04/21/2009 | US7522737 Microphones with equal sensitivity |
| 04/21/2009 | US7520048 Method of fabricating a GMR head |
| 04/16/2009 | WO2006134580A3 Micro-electro-mechanical transducer having an insulation extension |
| 04/15/2009 | CN101409860A Apparatus and method for voice coil set seamless |
| 04/15/2009 | CN101409536A Thin-film acoustic resonator and method of producing the same |
| 04/14/2009 | US7516537 Method for converting a standalone network storage system into a disk drive storage enclosure |
| 04/09/2009 | WO2009044506A1 Fine natural fiber and speaker diaphragm coated with fine natural fiber |
| 04/09/2009 | US20090091764 Low cost fiber optic velocity sensor for sonar applications |
| 04/09/2009 | US20090090453 Speaker diaphragms, manufacturing methods of the same, and dynamic speakers |
| 04/07/2009 | US7515727 Speaker device and method of manufacturing the speaker device |
| 04/01/2009 | CN101400012A Vibration transducer and manufacturing method therefore |
| 04/01/2009 | CN100474940C Electroacoustic transducer and manufacturing method thereof |
| 03/31/2009 | US7510627 Acoustic paper diaphragm and acoustic transducer apparatus |
| 03/31/2009 | US7509729 Method for making a perpendicular magnetic recording write head |
| 03/26/2009 | US20090080292 Microfabricated acoustic transducer with a multilayer electrode |
| 03/26/2009 | DE102007044550A1 Schallkanal für eine Hörvorrichtung und entsprechendes Herstellungsverfahren Sound channel for a hearing apparatus and method of manufacture |
| 03/26/2009 | DE102007042590A1 Hearing aid device, particularly behind ear hearing aid device, has electromagnetic shielding or electromagnetic shielding component, in which component comprises electromagnetic shielding layer materially connected with component |
| 03/25/2009 | CN101395961A Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same |
| 03/25/2009 | CN101394685A Microfabricated acoustic transducer with a multilayer electrode |
| 03/25/2009 | CN101394684A Composite diaphragm and its making method |
| 03/25/2009 | CN101394682A Water-proof cone for loudspeaker and manufacturing method thereof |
| 03/24/2009 | US7506432 Method of manufacturing thin-film magnetic head |
| 03/24/2009 | US7506431 Method of manufacturing a perpendicular magnetic write head having a wrap-around trailing shield and a concave trailing edge main pole |
| 03/24/2009 | US7506430 Process to manufacture narrow track CPP head with bias cancellation |
| 03/24/2009 | US7506429 Method of constructing a magnetic sensor |
| 03/24/2009 | US7506427 Method of assembling a carriage assembly |
| 03/19/2009 | WO2009034627A1 Magnetic circuit for speaker, speaker device, and manufacturing method of the magnetic circuit for speaker |
| 03/19/2009 | US20090074228 Loudspeaker cone body |
| 03/18/2009 | EP2037700A2 Miniature microphone assembly with hydrophobic surface coating |
| 03/18/2009 | CN201210751Y Tool convenient for assembling multiple magnetic articles repelling each other |
| 03/18/2009 | CN201210738Y Bluetooth earphone |
| 03/18/2009 | CN101389160A Piezo-electric acoustic generator manufacturing method |
| 03/18/2009 | CN101389152A Automobile electronic loudspeaker and manufacturing method thereof |
| 03/12/2009 | US20090067665 Audio Speaker with Radial Electromagnet |
| 03/12/2009 | US20090067659 Miniature microphone assembly with hydrophobic surface coating |
| 03/11/2009 | CN101384104A Membrane assembly method |
| 03/11/2009 | CN101383394A Novel piezoelectric sensor and preparation thereof |
| 03/11/2009 | CN101381069A Condenser microphone using the ceramic package whose inside is encompassed by metal or conductive materials |
| 03/10/2009 | US7502487 Speaker device |