Patents
Sitemap › H04 - Electric communication technique › H04R - Loudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers; Deaf-aid sets; Public address systems › H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050)
12/2012
12/05/2012CN202587355U Wire spot-welding tool of sound film of loudspeaker
12/05/2012CN202587317U Microphone board splitting and transferring tray
12/05/2012CN102812730A Speaker manufacturing method
12/05/2012CN102811413A Plate, transducer and methods for making and operating transducer
12/05/2012CN101827300B An automatic compression-ring fetching device of coating machine
12/05/2012CN101316461B Packaging body and packaging component for microphone of micro electro-mechanical systems
12/05/2012CN101155437B Back-placed microphone module group structure, microphone chip component and manufacturing method thereof
12/05/2012CN101112118B Loudspeaker diaphragm and method for producing a loudspeaker diaphragm
12/04/2012US8325440 Magnetic head including a pole layer and an antireflection film sandwiched by two shields
12/04/2012US8322023 Method for providing a wrap-around shield for a magnetic recording transducer
12/04/2012US8322022 Method for providing an energy assisted magnetic recording head in a wafer packaging configuration
12/04/2012US8322018 Method of manufacturing speaker
12/04/2012CA2522519C Direct radiation pure beryllium acoustic transducer having a concave membrane, used for audio applications, especially for loudspeaker cabinets
11/2012
11/29/2012US20120298441 Compact housing for portable electronic device with internal speaker
11/28/2012EP2526705A1 Electrodynamic speaker structure having mems technology
11/28/2012CN102802110A Online gel injection device for loudspeakers
11/28/2012CN102802109A Preparation method for thermophone element
11/28/2012CN101931850B Micro-speaker and manufacturing method thereof
11/28/2012CN101783992B Vibrating diaphragm of electroacoustic transducer and manufacture method thereof
11/28/2012CN101316462B Packaging body and packaging component for microphone of micro electro-mechanical systems
11/28/2012CN101002503B Capacitor microphone
11/27/2012US8316527 Method for providing at least one magnetoresistive device
11/27/2012US8316526 Method for forming an electroactive polymer
11/22/2012WO2012157769A1 Ultrasound transducer, ultrasound probe, and ultrasound transducer manufacturing method
11/22/2012WO2012155726A1 Vibrating plate device of electromagnetic vibrator and manufacture method thereof
11/22/2012US20120294472 Method and apparatus for a loudspeaker assembly
11/20/2012US8315125 System and method for biasing CMUT elements
11/15/2012US20120288130 Microphone Arrangement
11/14/2012CN102780968A Magnetic steel separation device
11/13/2012US8307540 Method for providing an energy assisted magnetic recording (EAMR) transducer
11/13/2012US8307539 Method for modeling devices in a wafer
11/13/2012US8307538 Method for manufacturing head gimbal assembly, and method for manufacturing hard disk drive
11/08/2012US20120283999 Loudspeaker array system
11/07/2012CN202524560U Quick locating device for voice coil lead
11/07/2012CN102769817A Performance optimization method based on flat panel loudspeaker
11/01/2012US20120275634 Mems microphone
11/01/2012US20120275623 Mobile wireless communications device having improved rf immunity of audio transducers to electromagnetic interference (emi)
11/01/2012US20120272517 Device of manufacturing speaker
10/2012
10/31/2012CN1922923B Method of and device for modifying the properties of a membrane for an electroacoustic transducer
10/31/2012CN102761818A Method for forming and fixing elastic sheet
10/31/2012CN102761809A Sounding device and manufacturing method thereof
10/31/2012CN101674508B Spherical microphone array fixed on intersection of three warps and design method thereof
10/31/2012CN101589543B Micro-electro-mechanical transducers
10/30/2012US8296931 Method for manufacturing storage medium
10/30/2012US8296930 Method for manufacturing a magnetoresistive sensor having a flat shield
10/30/2012US8296929 Method for manufacturing an integrated lead suspension
10/26/2012WO2012144226A1 Ultrasound probe and production method therefor
10/26/2012WO2012143151A1 Microelectromechanical sound detection apparatus and method for producing such an apparatus
10/25/2012US20120271573 Systems and methods for reconfiguring an ultrasound device
10/25/2012US20120269368 Loudspeaker array system
10/25/2012US20120268846 Magnetic Element With Enhanced Coupling Portion
10/25/2012US20120267986 Dual-frequency ultrasound transducer
10/25/2012US20120267981 Modular Array and Circuits for Ultrasound Transducers
10/25/2012US20120266677 Ultrasonic transducer for use in a fluid medium
10/24/2012CN102754454A Electrodynamic transducer structure and its manufacturing process
10/24/2012CN102752702A Machine for forming disposable cloth-edge sound basin automatically
10/24/2012CN102752699A Micro electro mechanical system (MEMS) microphone device and manufacturing method thereof
10/17/2012CN102740207A Chip integrating silicon micro microphone and complementary metal oxide semiconductor (CMOS) integrated circuit and manufacturing method of chip
10/17/2012CN102740205A Packages and methods for packaging microphone devices
10/17/2012CN102740204A Micro electro mechanical system (MEMS) microphone chip possessing stereo diaphragm structure and manufacturing method thereof
10/17/2012CN102740203A Combined micro-electrical-mechanical-system microphone and manufacturing method of same
10/17/2012CN101877813B Device and method for forming voice tube of audiphone
10/17/2012CN101651921B Wire bending method of free lead wire of voice coil
10/16/2012US8286334 Method of manufacturing pre-sliders for read write heads by annealing to saturation
10/16/2012US8286333 Method of manufacturing a magnetic head
10/11/2012US20120257778 Differential microphone with sealed backside cavities and diaphragms coupled to a rocking structure thereby providing resistance to deflection under atmospheric pressure and providing a directional response to sound pressure
10/11/2012US20120256517 Method for Microfabrication of a Capacitive Micromachined Ultrasonic Transducer Comprising a Diamond Membrane and a Transducer Thereof
10/10/2012CN202488716U Film punching device of receiver
10/10/2012CN102724623A Compound tone basin automatic pressing taking machine
10/10/2012CN102724610A Electroacoustic transducer and manufacturing method thereof
10/10/2012CN102720738A Washer gasket screening device and automatic magnetic steel assembly equipment
10/10/2012CN101325815B Digital microphone and manufacturing method thereof
10/04/2012WO2012134806A1 Waterproofing loudspeaker cones
10/04/2012WO2012130989A1 Electret microphone
10/04/2012US20120253199 Ultrasonic probe and ultrasonic probe manufacturing method
10/04/2012US20120250930 Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method
10/04/2012US20120250924 Portable Loudspeaker
10/04/2012US20120250909 Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer
10/04/2012DE102011006720A1 Gehörgangseinsatz mit einem Filterelement Meatus use with a filter element
10/03/2012CN102714773A Microphone with backplate having specially shaped through-holes
10/03/2012CN102714769A Speaker diaphragm and speaker using same, and electronic equipment and device using said speaker, and speaker diaphragm manufacturing method
10/03/2012CN102711031A Method for manufacturing headset
10/03/2012CN102711020A PU (Polyurethane) edge paper basin for loudspeaker and production method of PU edge paper basin
10/03/2012CN102711003A Loudspeaker, loudspeaker casing and manufacturing method of loudspeaker casing
10/03/2012CN101931852B Manufacturing method of silicon microphone
10/03/2012CN101729973B Assembly line for silicon microphones
10/02/2012US8276258 Method for fabricating a magnetic recording transducer
10/02/2012US8276257 Method for making coplanar write head pole tips
10/02/2012US8276256 Head stack assembly method using flexure tail raised region
09/2012
09/26/2012EP2503793A1 Mems microphone package and packaging method
09/26/2012EP2502427A1 Microphone with backplate having specially shaped through-holes
09/26/2012CN202455536U Headset processing device
09/26/2012CN202455529U Loudspeaker
09/26/2012CN102695115A Sound pressure sensing element for micro electro mechanical system (MEMS) and manufacturing method thereof
09/26/2012CN101466063B Device and method for manufacturing adjustable changeable monomer horn sound film of sound equipment
09/26/2012CN101422053B Microphone manufacturing method
09/20/2012WO2012122872A1 Mems microphone and integrated pressure sensor and manufacturing method therefor
09/20/2012WO2012122871A1 Mems microphone and forming method therefor
09/20/2012WO2012122869A1 Mems microphone and forming method therefor
09/20/2012US20120239113 Mechanical stimulator having a quick-connector
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