| Patents for H04R 31 - Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor (5,050) |
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| 10/07/2009 | CN101552943A A sheet material for producing loudspeaker cone and its processing technique |
| 10/07/2009 | CN101552942A Hearing device for individual formed part worn on an auricle |
| 10/07/2009 | CN101552940A Miniature sounder |
| 10/06/2009 | US7596854 Method of fabrication for read head having shaped read sensor-biasing layer junctions using partial milling |
| 10/06/2009 | US7596853 Method of manufacturing thin film magnetic head having lower shield layer embedded in insulating |
| 10/06/2009 | US7596851 Method of manufacturing a quartz resonator |
| 10/06/2009 | US7596850 Method for temporarily inactivating a wireless communication device |
| 10/01/2009 | WO2009120429A1 Waterproofing loudspeaker cones |
| 09/30/2009 | EP2106162A1 Process for producing a hearing device and hearing device |
| 09/30/2009 | CN201319668Y Working version for horn mesh product aligning graph |
| 09/29/2009 | US7596235 Transducer |
| 09/29/2009 | US7594313 Method of manufacturing a microwave antenna assembly |
| 09/24/2009 | WO2009116957A2 Water resistant ultra-low pressure sensor |
| 09/24/2009 | US20090238394 Microphone and method for fabricating the same |
| 09/24/2009 | US20090237180 Band-pass filter device, method of manufacturing same, television tuner, and television receiver |
| 09/24/2009 | US20090235517 Progressive and transfer die stamping |
| 09/17/2009 | WO2009113433A1 Organic piezoelectric material, ultrasonic transducer using the same, method for producing the ultrasonic transducer, ultrasonic probe and ultrasonic medical diagnostic imaging system |
| 09/17/2009 | WO2009113432A1 Organic piezoelectric material, ultrasonic oscillator using the material, method for manufacturing the ultrasonic oscillator, ultrasonic probe, and ultrasonic medical diagnostic imaging device |
| 09/17/2009 | WO2009112241A1 Condenser microphone |
| 09/17/2009 | US20090232345 Speaker and method of producing the same |
| 09/17/2009 | US20090232334 Micromechanical Component and Method for its Production |
| 09/16/2009 | EP2101514A1 Voice input device, its manufacturing method and information processing system |
| 09/16/2009 | EP2101513A1 Voice input device, its manufacturing method and information processing system |
| 09/16/2009 | CN201312386Y Microphone sealing device |
| 09/16/2009 | CN101534466A Silicon microphone chip and manufacture method thereof |
| 09/16/2009 | CN100542334C Non-planar membranes for electroacoustic converters and its production method |
| 09/16/2009 | CN100540154C Ultrasonic transducer and method of manufacturing ultrasonic transducer |
| 09/15/2009 | US7587811 Method for manufacturing a magnetic write head for perpendicular magnetic data recording |
| 09/15/2009 | US7587808 Method of coupling a voice coil motor to a base plate of a hard disk drive |
| 09/15/2009 | US7587806 Method of manufacturing an ultrasonic sensor |
| 09/11/2009 | WO2009109799A2 Monolithic capacitive transducer |
| 09/10/2009 | US20090225476 Head stack assembly, manufacturing method thereof and multi-disc magnetic storage device |
| 09/10/2009 | US20090223033 Combination tissue pad for use with an ultrasonic surgical instrument |
| 09/09/2009 | EP1499839B1 Thermoacoustic device |
| 09/09/2009 | CN201307932Y Automatic production line equipment for loudspeaker magnetic back processing |
| 09/09/2009 | CN101527872A Combined polarization plate used for microphone and manufacturing method thereof |
| 09/08/2009 | US7584532 Apparatus for processing a magnetic head slider |
| 09/03/2009 | US20090217509 Speaker, module using the same, electronic equipment and device, and speaker producing method |
| 09/02/2009 | CN100536608C Microsilicon microphone and its preparing method |
| 09/01/2009 | US7581306 Method for producing a boundary acoustic wave device |
| 08/26/2009 | EP0970758B1 Electric-mechanical-acoustic transducer and a method of manufacturing the same |
| 08/26/2009 | CN101516054A Method for assembling earphone |
| 08/25/2009 | US7578049 Method for constructing a magnetic write pole for a perpendicular magnetic recording head |
| 08/20/2009 | US20090207696 Hybrid transducer |
| 08/19/2009 | EP1762117B1 Capacitor microphone |
| 08/19/2009 | CN101511048A Electro-acoustic converter with novel vibrating system and manufacturing method for vibrating system |
| 08/19/2009 | CN100531449C Manufacturing device and method of loudspeaker integral display |
| 08/19/2009 | CN100530349C Method for manufacturing a dynamic speaker |
| 08/13/2009 | WO2009098926A1 Speaker, magnet component, and manufacturing method thereof |
| 08/13/2009 | US20090204006 Ultrasonic transducer, ultrasonic transducer array and ultrasonic endoscope system |
| 08/13/2009 | US20090200101 Acoustic transducer made of pure beryllium with directed radiation, with a concave-shaped diaphragm, for audio applications, in particular for acoustic enclosures |
| 08/13/2009 | US20090199392 Ultrasound transducer probes and system and method of manufacture |
| 08/12/2009 | CN101506987A Vibration sensor and method for manufacturing the vibration sensor |
| 08/12/2009 | CN101505445A Piezoelectric ceramic loudspeaker and manufacturing method thereof |
| 08/12/2009 | CN101505441A Electronic apparatus, rheomicrophone combination and its production method |
| 08/12/2009 | CN101502825A Full-automatic glue-dropping machine |
| 08/11/2009 | US7571535 Method of fabricating a suspension load beam with a composite damping core |
| 08/06/2009 | US20090196449 Wireless audio signal receiver device for a hearing instrument |
| 08/06/2009 | US20090196121 Ultrasound sensor, in particular, a motor vehicle ultrasound sensor |
| 08/05/2009 | CN201286170Y Voice basin structure of loudspeaker |
| 08/04/2009 | US7570780 Loudspeaker having a composite diaphragm structure |
| 08/04/2009 | US7570776 Speaker device and method of manufacturing the speaker device |
| 08/04/2009 | US7570773 Sound detecting mechanism |
| 08/04/2009 | US7568552 Acoustic passive radiator rocking mode reducing |
| 08/04/2009 | US7568277 Method for manufacturing a multi-piece head suspension |
| 07/30/2009 | WO2009093444A1 Speaker diaphragm, speaker using said diaphragm, and speaker diaphragm manufacturing method |
| 07/30/2009 | US20090189480 Ultrasonic Transducer And Manufacturing Method |
| 07/30/2009 | US20090189294 Large area integration of quartz resonators with electronics |
| 07/29/2009 | CN201282557Y Remote-control device with self-locking function for sightsee cable car emergency door ladder |
| 07/29/2009 | CN100521819C Polarized zone control of silicon-base ferroelectric micro acoustic sensor and method of connecting electrode |
| 07/28/2009 | US7565733 Process for the fabrication of multilayer thin film magnetoresistive sensors |
| 07/22/2009 | CN201278587Y Sight seeing cable car emergency door and stairs control apparatus having self-locking function |
| 07/22/2009 | CN101489172A Manufacturing method for miniature microphone |
| 07/21/2009 | US7562437 Method of manufacturing a wrap around shield for a perpendicular write pole using a laminated mask |
| 07/21/2009 | US7562436 Deposition defined trackwidth for very narrow trackwidth CPP device |
| 07/21/2009 | US7562435 Method to improve crown sigma control of the slider in a hard disk drive |
| 07/21/2009 | US7562434 Method of assembling a carriage assembly |
| 07/21/2009 | US7562432 Method for manufacturing magnetostrictive torque sensor |
| 07/16/2009 | WO2009088002A1 Vibration plate, speaker, acoustic system and method of manufacturing vibration plate |
| 07/16/2009 | WO2009088001A1 Ultrasonic probe, process for producing ultrasonic probe, and ultrasonic diagnosis apparatus |
| 07/16/2009 | WO2009086838A1 A magnet assembly for a loudspeaker |
| 07/15/2009 | CN100515119C Chip for silicon micro capacitor microphone and its preparation method |
| 07/14/2009 | US7559132 Method for manufacturing a shock absorber that allows a disk drive to move with respect to the chassis of a computer system |
| 07/14/2009 | US7559130 Method for fabricating quartz-based nanoresonators |
| 07/09/2009 | US20090175470 Acoustic wave device and method of manufacturing the same |
| 07/08/2009 | CN101478713A Titanium diaphragm for loudspeaker |
| 07/08/2009 | CN101478712A Manufacturing method for horn-network with changing pattern |
| 07/07/2009 | US7558399 Vibrating plate of dynamic microphone and method of manufacturing the same |
| 07/07/2009 | US7555824 Method for large scale integration of quartz-based devices |
| 06/30/2009 | US7552524 Method for preventing TMR MRR drop of a slider |
| 06/30/2009 | US7552523 Method for manufacturing a perpendicular magnetic recording transducer |
| 06/25/2009 | WO2009078208A1 Ultrasonic probe, its manufacturing method, and ultrasonic diagnostic device |
| 06/25/2009 | US20090162534 Membrane and method for the production of the same |
| 06/25/2009 | US20090158851 Method and apparatus for air-coupled transducer |
| 06/25/2009 | US20090158582 Method of manufacturing a magnetic head for perpendicular magnetic recording |
| 06/24/2009 | CN101466063A Device and method for manufacturing adjustable changeable monomer horn sound film of sound equipment |
| 06/23/2009 | US7549215 Method for manufacturing a magnetic head for perpendicular magnetic data recording |
| 06/23/2009 | US7549214 Method for bonding slider row bars for photolithography process |
| 06/23/2009 | US7549211 Method for de-tabbing a disk drive head suspension flexure |
| 06/18/2009 | US20090154730 Electrostatic Speaker Arrangement for a Mobile Device |