Patents
Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050)
07/2013
07/02/2013US8474128 Planarization methods for patterned media disks
07/02/2013US8474127 Method for enhancing thermal stability, improving biasing and reducing damage from electrostatic discharge in self-pinned abutted junction heads
06/2013
06/27/2013US20130163807 Electro-acoustic transducer and method of manufacturing the same
06/26/2013CN203027493U Machine for fabricating racetrack type voice coil
06/26/2013CN203027492U Machine for fabricating flat wire voice coil
06/26/2013CN203027491U Double-horn pressing and assembling device
06/26/2013CN203027470U Vibrating diaphragm applicable to medium-high frequency sound production unit
06/26/2013CN203027468U Vibrating diaphragm having low-frequency compensation function
06/26/2013CN103179497A Raw material used for sound equipment vibrating plate and preparation method thereof
06/26/2013CN103179496A Audio test method and system for earphone microphone and receiver of mobile terminal
06/26/2013CN101951538B Loudspeaker flap basin and preparation process thereof
06/26/2013CN101415142B Method for manufacturing disposable microphone cover
06/26/2013CN101378605B Ultrasonic transducer, method of manufacturing ultrasonic transducer, ultrasonic diagnostic apparatus, and ultrasonic microscope
06/25/2013US8472649 Push-pull type speaker device and method of manufacturing the same
06/25/2013US8468683 High bevel angle magnetic writer pole fabrication process
06/25/2013US8468682 Method for manufacturing perpendicular magnetic recording transducers
06/25/2013CA2586928C Loudspeaker plastic cone body
06/20/2013WO2013089239A1 Actuator for vibrating a soundboard in a musical instrument and method for attaching same
06/20/2013US20130156242 Handheld computing device
06/20/2013US20130155817 Cell, element of ultrasonic transducer, ultrasonic transducer including the same, and method of manufacturing cell of ultrasonic transducer
06/19/2013CN203015101U Voice coil
06/19/2013CN203015060U Sound box ultrasonic welding structure
06/19/2013CN103167364A Multi-functional microphone assembly and method of manufacturing the same
06/19/2013CN101827293B 5.1 sound channel bass reflex type earphone and manufacture method thereof
06/19/2013CN101395961B Plant for production of paper-made part for speaker, paper-made part for speaker produced thereby, and speaker utilizing the same
06/18/2013US8464418 Method for temperature compensation in MEMS resonators with isolated regions of distinct material
06/13/2013US20130148837 Multi-functional microphone assembly and method of manufacturing the same
06/13/2013US20130145611 Diagnostic ultrasound transducer
06/12/2013CN202998478U Loudspeaker dust cap revolving table
06/12/2013CN202998477U Loudspeaker dust cap glue taking device
06/12/2013CN202998476U Loudspeaker dust cap material taking device
06/12/2013CN103152690A Drum paper forming pressing mold
06/12/2013CN103152689A Horn basin frame for improving voice coil concentricity and manufacture method for horn
06/12/2013CN103152688A Manufacture method of vibrating membrane of horn
06/12/2013CN103152680A Sound-generating devices
06/12/2013CN102134054B Method for fabricating MEMS device
06/12/2013CN101877809B Electro-dynamic loudspeaker and ventilation method thereof
06/11/2013US8462978 Loudspeaker diaphragm
06/11/2013US8458891 Method of centering a disk of hard disk drive
06/06/2013WO2013081078A1 Electrostatic speaker
06/06/2013US20130142374 Microphone assembly having ear set function and method of manufacturing the same
06/06/2013US20130139377 Method of manufacturing resonant transducer
06/05/2013EP2599747A2 Method of manufacturing resonant transducer
06/05/2013CN202979282U Sound box plastic die capable of wire drawing during die opening processes
06/05/2013CN202979275U Encapsulation structure of microphone
06/05/2013CN103139694A Microphone package technology and package structure according to technology
06/05/2013CN103139691A Micro-electromechanical system (MEMS) silicon microphone utilizing multi-hole signal operation instruction (SOI) silicon bonding and manufacturing method thereof
06/05/2013CN103139676A Microphone assembly having ear set function and method of manufacturing the same
06/05/2013CN103130176A Micromechanical functional apparatus, particularly a loudspeaker apparatus, and appropriate method of manufacture
06/05/2013CN101729961B Integrated vibration plate for a microspeaker, making method thereof and microspeaker
06/05/2013CN101282594B Encapsulation structure for Micro-electromechanical microphone with two-sided mounting-pasted electrode
06/04/2013US8453317 Magnetic write head fabrication with integrated electrical lapping guides
06/04/2013US8453316 Method of manufacturing magnetic head having a patterned pole layer and method of forming a patterned layer
06/04/2013US8453315 Method of producing a perpendicular magnetic disc
06/04/2013US8453312 Method of manufacturing vibrating micromechanical structures
05/2013
05/30/2013US20130136280 Microspeaker with piezoelectric, metal and dielectric membrane
05/30/2013US20130133179 Method of manufacturing boundary acoustic wave device
05/29/2013CN103124394A Silicon wheat automatic detector
05/28/2013US8448329 Method of manufacturing an integrated lead head suspension flexure
05/28/2013US8448326 Method of manufacturing an accelerometer
05/23/2013WO2013071951A1 Mems microphone with reduced parasitic capacitance
05/23/2013WO2013005174A3 Systems, methods, and articles of manufacture for configuring hearing prostheses
05/23/2013WO2013001508A3 Systems, methods, and article of manufacture for configuring a hearing prosthesis
05/23/2013US20130129131 Shielding of behind-the-ear hearing aids
05/23/2013US20130129121 Electrostatic loudspeaker and method of producing electrostatic loudspeaker
05/23/2013US20130129118 Micro-electro-mechanical microphone and method for manufacturing the same
05/23/2013US20130127297 Ultrasound transducer and processing methods thereof
05/22/2013CN202949570U Inside weld type novel process voice diaphragm demolding device
05/21/2013US8443510 Method for utilizing an electronic lapping guide for a beveled pole in a magnetic recording transducer
05/16/2013US20130123919 Methods and devices for radio frequency (rf) mitigation proximate the ear
05/15/2013EP2591616A1 Drive pin forming method and assembly for a transducer
05/15/2013EP2591611A1 Earphone driver and method of manufacture
05/15/2013CN103109547A Mass loading for piston loudspeakers
05/15/2013CN103108273A Armature device of moving iron unit and manufacturing method thereof
05/14/2013US8438721 Method to assemble disk drive
05/10/2013WO2013028399A3 Acoustic apparatus and method of manufacturing
05/08/2013CN202931555U MEMS microphone
05/08/2013CN202931524U Ear hook and earphone
05/08/2013CN103096238A Method of manufacturing microphone unit
05/08/2013CN103096237A Multifunctional device used for assembling and testing driven-by-wire headset
05/08/2013CN103096236A Magnetic steel assembling fixture
05/08/2013CN103096235A Mems process and device
05/08/2013CN101815235B Miniature MEMS condenser microphone packages and fabrication method thereof
05/02/2013US20130108084 MEMS Microphone with Spring Suspended Backplate
05/02/2013US20130104384 Microphone with Irregular Diaphragm
05/02/2013DE102011085511A1 Membran zum Abdecken einer Öffnung in einem Hörgerät Membrane for covering an opening in a hearing aid
05/01/2013EP2586215A1 Loudspeaker enclosure consisting of stone and method for manufacturing same
05/01/2013CN202918463U Metal ring in earphone jacket mould assembly
05/01/2013CN103079162A Integrated loudspeaker, sound box and manufacturing method
05/01/2013CN103079135A Bone-conduction headset device with single magnet and processing method thereof
05/01/2013CN102056075B Winding machine for paper tube-type voice coil
05/01/2013CN101909238B Process method for loudspeaker with compound magnetic circuit
04/2013
04/30/2013US8429808 Method for fabrication an electrical transducer
04/25/2013US20130100779 Acoustic sensor and fabrication method thereof
04/25/2013US20130100778 Source for marine seismic acquisition and method
04/25/2013US20130100775 System and method for providing discrete ground connections for individual elements in an ultrasonic array transducer
04/24/2013CN202907183U Elastic wave forming pressing mould
04/24/2013CN103067847A Speaker dust cap material taking device
04/24/2013CN103067846A Speaker dust cap rotary work platform
04/24/2013CN103067845A Speaker dust cap glue taking device
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