Patents
Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050)
02/2013
02/14/2013US20130039522 Flat speaker device and method of fabricating the same
02/14/2013US20130038966 Magnetic head for perpendicular magnetic recording having a main pole, a shield and a coil core part setback away from the medium facing surface a specified distance
02/14/2013DE102011080753A1 Herstellen eines Ohrpassstücks durch Thermoformen Producing an ear mold by thermoforming
02/13/2013CN102932729A Magnetic circuit assembling machine
02/13/2013CN102932728A Material for manufacturing sound box and preparation method of material
02/13/2013CN102932724A Micro-electro-mechanical sensor chip and manufacturing method thereof
02/13/2013CN102932719A Thin film structure of condenser microphone and method for forming thin film structure
02/13/2013CN101815238B Silicon microphone feeding assembly machine
02/12/2013US8371019 Method for manufacturing a magnetic write pole having straight side walls and a well defined track-width
02/12/2013US8371018 Electromechanical transducer and manufacturing method therefor
02/07/2013US20130034257 Mems microphone
02/07/2013US20130032285 Textile laminar structure for making acoustic components
02/06/2013EP2555543A1 MEMS Microphone
02/06/2013CN202721786U Microphone packaging body
02/06/2013CN102918873A Loudspeaker with interlocking magnet structure
02/06/2013CN102917303A Microphone packaged by plastic casing
02/06/2013CN102917290A Earphone and manufacturing method thereof
02/05/2013US8369544 Microphone component and a method for its manufacture
01/2013
01/30/2013CN202713607U Magnetic steel separation device
01/30/2013CN202713606U 成型装置 Forming device
01/30/2013CN102907118A Acoustic sensor, acoustic transducer, microphone using acoustic transducer, and method for producing acoustic transducer
01/30/2013CN101663902B Loudspeaker magnetic flux collection system
01/24/2013US20130022225 Headphone sound-generating structure and method of assembling same
01/23/2013CN202696889U Plastic horn of welding structure
01/22/2013US8356399 Method for protecting a resonating sensor
01/17/2013WO2013008470A1 Method for manufacturing acoustic matching body, acoustic matching body, ultrasonic transducer using acoustic matching body, and ultrasonic flowmeter
01/17/2013US20130018266 Laminated piezoelectric body, laminated piezoelectric body manufacturing method, and ultrasound transducer and ultrasound diagnostic device using laminated piezoelectric body
01/17/2013US20130016860 Thin-film speaker system and methods for making and using the same
01/16/2013EP2545715A1 Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
01/16/2013CN202679635U A highly efficient corona polarizing system
01/16/2013CN102883254A 硅麦克风封装结构 Silicon microphone package structure
01/16/2013CN102883251A Loudspeaker device and method for manufacturing same
01/16/2013CN101626532B A variable directional microphone assembly and method of making the microphone assembly
01/16/2013CN101213870B Vibrating plate for speaker, dust cap for speaker, subcone for speaker, and speaker using them, and electronic equipment using the speaker
01/15/2013US8353098 Method of manufacturing perpendicular magnetic write head
01/15/2013US8353096 Method of minimizing inter-element signals for transducers
01/10/2013WO2013006576A1 Non- occluding earbuds and method for making the same
01/10/2013US20130011001 Speaker system and manufacturing method thereof
01/10/2013US20130010989 Component having a micromechanical microphone structure, and method for manufacturing same
01/10/2013DE102011078675A1 Abformstruktur für eine Hörvorrichtung Imprint mold for a hearing apparatus
01/09/2013CN202663544U Full-automatic cone laminating machine
01/09/2013CN102868965A Method for producing micro-electromechanical systems (MEMS) microphone
01/09/2013CN102868964A Method for producing micro-electromechanical systems (MEMS) microphone
01/09/2013CN102868963A Moulding structure for a hearing device
01/09/2013CN102868960A Welding type condenser microphone using curling and method of assemblying the same
01/09/2013CN101820569B Formula of multilayer piezoelectric ceramic for loudspeaker drive and production method thereof
01/09/2013CN101702788B Silicon miniature microphone folding and shaping machine
01/09/2013CN101426170B Microphone manufacturing method
01/08/2013US8347489 Method for manufacturing a perpendicular magnetic write head having a leading edge tapered write pole, self aligned side shield and independent trailing shield
01/08/2013US8347488 Magnetic write head manufactured by damascene process producing a tapered write pole with a non-magnetic step and non-magnetic bump
01/08/2013US8347487 Fabricating method of magnetoresistance sensor
01/08/2013US8347483 Method for manufacturing an ultrasound imaging transducer assembly
01/03/2013WO2013002207A1 Vibrating element and method for producing vibrating element
01/03/2013US20130006153 Low-profile ultrasound transducer
01/03/2013US20130006043 Systems for manufacturing oral-based hearing aid appliances
01/03/2013US20130004011 Non-occluding earbuds and methods for making the same
01/02/2013EP2540095A1 Mass loading for piston loudspeakers
01/02/2013CN202652528U Improved type loudspeaker vibration film plate
01/02/2013CN102860045A Ultrasound probe, production method therefor, and ultrasound diagnostic equipment
01/02/2013CN102860038A Microphone
01/02/2013CN102859688A Semiconductor package for mems device and method of manufacturing the same
01/02/2013CN102857855A Production process of foaming headset sleeve
01/02/2013CN102857854A Injection molded cover element with uninterrupted hole pattern
01/02/2013CN101835079B Capacitance type minitype silicon microphone and preparation method thereof
01/02/2013CN101674515B Miniature moving ring type electroacoustic transducer and assembling method thereof
01/02/2013CN101562767B Speaker, voice coil unit, and method of manufacturing the voice coil unit
01/01/2013US8341826 Method for fabricating a magnetic recording transducer using a split seed layer
01/01/2013US8341825 Method for manufacturing a thermally-assisted magnetic head
12/2012
12/26/2012CN101626531B A variable directional microphone assembly and method of making the microphone assembly
12/26/2012CN101213873B Method for manufacturing component for speaker by papermaking, copmponent for speaker by papermaking, vibrating plate for speaker, subcone for speaker, dust cap for speaker, and speaker
12/25/2012US8336194 Method of fabricating a tunneling magnetoresistive (TMR) reader
12/25/2012US8336193 Process for making magnetic recording medium and magnetic recording-reproducing apparatus
12/25/2012US8336191 Method of forming an integrated circuit system
12/20/2012US20120321111 Electret condenser microphone
12/20/2012US20120317792 Speaker manufacturing method
12/19/2012EP2536168A2 Epitaxial silicon CMOS-MEMS microphones and method for manufacturing
12/19/2012EP2534852A1 Electrodynamic transducer structure and its manufacturing process
12/19/2012CN102833659A MEMS (micro electro mechanical systems) microphone and manufacturing method thereof
12/19/2012CN102833655A Speaker and production method thereof
12/19/2012CN102826502A MEMS devices and methods of fabrication thereof
12/18/2012US8334093 Method and system for providing a perpendicular magnetic recording head
12/18/2012US8333008 Method for manufacturing a perpendicular magnetic recording transducer
12/13/2012US20120314882 Production of ambient noise-cancelling earphones
12/12/2012CN202602896U Automatic recovery equipment of material strip for microphone
12/12/2012CN202602895U Automatic assembling machine for electret microphone
12/12/2012CN202602879U Diaphragm tightening device for producing electret microphone diaphragm
12/12/2012CN102821348A Loudspeaker based on injection molding process
12/12/2012CN102821345A Film speaker and production method thereof
12/11/2012US8327973 Foam compositions with enhanced sound attenuation
12/11/2012US8327522 Process for the collective fabrication of calibration-free sensors based on acoustic wave devices
12/11/2012US8327521 Method for production and using a capacitive micro-machined ultrasonic transducer
12/11/2012US8327520 Method for producing a coupling line
12/06/2012US20120308066 Combined micro-electro-mechanical systems microphone and method for manufacturing the same
12/06/2012US20120308061 Hearing aid having improved rf immunity to rf electromagnetic interference produced from a wireless communications device
12/06/2012US20120308053 Plate, Transducer and Methods for Making and Operating a Transducer
12/06/2012US20120308037 Microelectromechanical microphone chip having stereoscopic diaphragm structure and fabrication method thereof
12/06/2012DE112010000679T5 Lautsprechermembran, lautsprecher und verfahren zum herstellen einer lautsprechermembran Speaker membrane, speakers and process for the manufacture of a speaker membrane
12/06/2012DE102011080767A1 Method for manufacturing ear adapter for e.g. in-the-ear-hearing device, involves producing ear impression by forming thermo-forming section for connection element of acoustic tube and external earpiece of hearing device at ear impression
12/05/2012CN202587383U Automatic pressing and overlapping machine of compound sound basin
12/05/2012CN202587362U Vibrating wing device for moving-iron loudspeaker or receiver
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ... 51