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)
08/2005
08/03/2005CN1649678A Ultrasonic membrane transducer
08/03/2005CN1649473A Production method of suspension board with circuit
08/02/2005US6924587 Piezoelectric transducer, manufacturing method of piezoelectric transducer and pulse wave detector
08/02/2005US6922890 Planarization process for thin film surfaces
07/2005
07/28/2005WO2005069682A1 A parallelepiped type condenser microphone for smd
07/27/2005EP1558058A2 Method of manufacturing and individually shaped hearing device or hearing aid
07/27/2005CN1647577A Microspeaker and method for assembling a microspeaker
07/26/2005US6921953 Self-aligned, low-resistance, efficient MRAM read/write conductors
07/21/2005US20050157904 Acoustically enhanced electro-dynamic loudspeakers
07/21/2005US20050157900 Acoustic passive radiator rocking mode reducing
07/21/2005US20050155202 Piezoelectric device, liquid jet head, and methods for manufacturing the same, and thin film forming apparatus
07/20/2005EP1555849A2 Acoustic passive radiator with rocking-mode reduction
07/20/2005CN1642387A Method and apparatus for forming pattern, device and electronic device
07/20/2005CN1642359A Micro-nano chip type microphone and its making method
07/20/2005CN1642356A Acoustic passive radiator with rocking-mode reduction
07/14/2005WO2005062689A2 Suspension assembly method and the manufacture process
07/14/2005WO2004089036A3 Outdoor loudspeaker with passive radiator
07/14/2005US20050152573 Pot type yoke, speaker apparatus and method of manufacturing pot type yoke
07/14/2005US20050152571 Condenser microphone and method for making the same
07/14/2005US20050152569 Speaker apparatus and method of manufacturing the same
07/14/2005CA2552033A1 Loudspeaker and components for use in the construction thereof
07/13/2005CN1640188A Thin speaker and method of manufacturing the speaker
07/13/2005CN1637865A Method and apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus
07/12/2005US6915555 Method for manufacturing speaker
07/07/2005WO2005062666A1 Acoustic projector and method of manufacture
07/07/2005US20050147274 Acoustic device
07/07/2005US20050147273 Acoustic device
07/07/2005US20050145434 Speaker unit for low frequency reproduction
07/06/2005EP1550349A2 Membrane and method for the production thereof
07/06/2005CN1635820A Micro-capacitor type microphone system and manufacturing method thereof
06/2005
06/30/2005US20050141745 Loudspeaker system, method and apparatus of manufacturing the same
06/30/2005US20050138794 Suspension assembly method and the manufacture process
06/29/2005CN1633213A Car speaker measurement with counted in-car sound field information and design method
06/28/2005US6912290 Speaker unit for low frequency reproduction
06/28/2005US6911156 Methods for fabricating MRAM device structures
06/23/2005US20050135653 Acoustically enhanced electro-dynamic loudspeakers
06/23/2005US20050135652 Vibrating plate of dynamic microphone and method of manufacturing the same
06/23/2005US20050135649 Vibrating plate of dynamic microphone, method of manufacturing the vibrating plate and dynamic microphone comprising the same.
06/23/2005US20050133298 Speaker box for use in back-load horn
06/22/2005CN1630432A Chip having high sensitivity for silicon micro-capacitor microphone and preparation method thereof
06/21/2005US6909788 Speaker voice coil bobbin and method of manufacturing same
06/16/2005WO2005055657A1 Method and apparatus for manufacturing vibrator for electro-acoustic transducers, vibrator manufactured by the same, and electro-acoustic transducer having the vibrator
06/16/2005US20050129260 Injection method of inserting spring into multifunctional actuator
06/16/2005US20050126707 Manufacture having double sided features in a metal-containing web and manufacture and method for forming same in a liquid-based etch process
06/16/2005US20050125990 Forming hard mask layer (tantalum oxide, silicon oxide) over an insulator layer, forming photoresist layer thereon, image patterning, etching, electroplating electroconductive copper containing material, then chemical mechanical polishing
06/14/2005US6905000 Faceplate cover
06/09/2005US20050123154 Speaker gasket and its manufacturing method, and speaker device
06/09/2005US20050122773 Self-aligned, low-ressistance, efficient memory array
06/09/2005US20050122621 High data rate writer with low resistance coil an short yoke
06/08/2005CN2704174Y Micro acoustic device based on magneto resistance effect
06/08/2005CN1625301A Processing technique of casing of loudspeaker box
06/08/2005CN1205839C Magnetic path of miniature loudspeaker
06/07/2005US6904154 Acoustic device
06/02/2005US20050117240 Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer
06/02/2005DE102004054293A1 Verfahren zur Herstellung eines mehrschichtigen keramischen akustischen Wandlers A process for producing a multilayer ceramic transducer
06/01/2005CN1622692A Loud speaker and method for manufacturing the same
06/01/2005CN1622691A Loud speaker and method for manufacturing the same
05/2005
05/31/2005US6899794 Speaker device, and method and device for producing the same
05/26/2005WO2005048652A1 Electro-acoustic transducer comprising an rfid circuit
05/26/2005US20050111689 Loudspeaker with assembly and performance improvements
05/26/2005US20050111688 Electroacoustic transducer with a diaphragm and method for fixing a diaphragm in such transducer
05/25/2005EP1534046A2 Speaker gasket
05/25/2005EP1532843A2 Loudspeaker diaphragm systems
05/25/2005EP1532838A2 Electro-dynamic planar loudspeakers
05/25/2005CN1620198A Air permenbility regulating machine
05/25/2005CN1620192A Speaker gasket and its manufacturing method, and speaker device
05/25/2005CN1620187A Voice box inlayed with leather decoration and its manufacturing method
05/19/2005US20050105758 Audio speaker and method for assembling an audio speaker
05/19/2005US20050102821 Method of manufacturing a magnetic head
05/19/2005US20050102820 Process to fabricate narrow-track CPP read head
05/18/2005CN1202694C Making process of magnetically conducting bowl for loundspeaker
05/17/2005US6892850 Surround for speaker system and manufacturing method thereof
05/12/2005US20050101047 Process of making an all-silicon microphone
05/12/2005US20050099097 Method for making multi-layer ceramic acoustic transducer
05/12/2005US20050099096 Method for making multi-layer ceramic acoustic transducer
05/12/2005US20050097716 Method of manufacturing piezoelectric device and ferroelectric device, droplet ejection head, and electronic equipment
05/11/2005CN1615670A Piezoelectric body manufacturing method, piezoelectric body, ultrasonic probe, ultrasonic diagnosing device, and nondestructive inspection device
05/11/2005CN1201633C Capacitance microphone and method for making same
05/10/2005US6889424 Head stack assembly installation system for a disc drive
05/10/2005US6889418 Method of processing magnetic head
05/05/2005US20050094326 Integrated spin valve head
05/05/2005US20050094325 Integrated spin valve head
05/05/2005US20050094324 Integrated spin valve head
05/05/2005US20050094323 Integrated spin valve head
05/05/2005US20050094321 Integrated spin valve head
05/05/2005US20050093397 Thin film bulk acoustic resonator and method of producing the same
05/05/2005US20050091835 Universal fixture for HSA assembly and its testing process
05/05/2005US20050091834 Method and apparatus for measuring slider mounting position in magnetic head, and magnetic head manufacturing system using the measurement apparatus
05/03/2005US6888433 Method for producing repulsion magnetic circuit and its production system
04/2005
04/28/2005WO2005038781A1 Method and mechanism of the suspension resonance optimization for the hard disk driver
04/28/2005US20050090705 Middle ear implant transducer and vibrating member adapted thereto
04/28/2005US20050089188 High performance capacitor microphone and manufacturing method thereof
04/27/2005EP1526757A1 Composite piezoelectric vibrator
04/27/2005EP1499839A4 Thermoacoustic device
04/27/2005CN1610450A Method for manufacturing ceramic structure
04/26/2005US6885527 Process to manufacture a top spin valve
04/26/2005US6885514 Method of manufacturing and disk drive produced by measuring the read and write widths and varying the track pitch in the servo-writer
04/21/2005US20050084131 Loudspeakers
04/21/2005US20050084130 Voice coil insertion jig, speaker producing method using the jig, and speaker produced by using the jig
04/21/2005US20050084119 Channel down mixing apparatus for car audio system
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