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)
11/2005
11/22/2005US6967362 Flexible MEMS transducer and manufacturing method thereof, and flexible MEMS wireless microphone
11/17/2005US20050254682 Damper for speaker device, speaker device using the damper and manufacturing method therefor
11/17/2005US20050253299 Method for manufacturing electroacoustic transducer diaphragm
11/17/2005US20050253298 Method for manufacturing electroacoustic transducer diaphragm
11/17/2005US20050251995 Manufacturing method of acoustic sensor
11/16/2005CN1698398A Speaker
11/16/2005CN1697570A Method for manufacturing electroacoustic transducer diaphragm
11/16/2005CN1697569A Method for manufacturing electroacoustic transducer diaphragm
11/16/2005CN1227948C Electroacoustic transducer
11/10/2005US20050249041 Miniature acoustic detector based on electron surface tunneling
11/10/2005US20050248058 Method for manufacturing diaphragm for use in electroacoustic transducer
11/10/2005DE102004011149B3 Mikrophon und Verfahren zur Herstellung eines Mikrophons Microphone and method of manufacturing a microphone
11/10/2005DE102004011148B3 Microphone esp. semiconductor capacitor microphone for use in mobile telephones and the like having space between chip and substrate in pressure communication with space between chip and cover
11/09/2005EP1594341A1 Loudspeaker diaphragm
11/03/2005US20050242689 Ultrasonic probe and manufacturing process thereof
11/03/2005US20050241944 Membrane and method for the production of the same
11/03/2005US20050241127 Method for manufacturing a cell driving type actuator
11/02/2005CN1692678A Voice coil insertion jig, speaker producing method using the jig, and speaker produced by using the jig
11/02/2005CN1691839A Method for manufacturing diaphragm for use in electroacoustic transducer
11/01/2005US6960868 Piezoelectric electro-acoustic transducer and manufacturing method of the same
10/2005
10/27/2005US20050235485 Planarization process for thin film surfaces
10/26/2005EP1360685B1 Ultrasound transducer and method of manufacturing an ultrasound transducer
10/20/2005WO2005099305A1 Speaker, module using the same, electronic equipment and device, and speaker producing method
10/20/2005WO2005097926A1 Ink for screen printing, method for producing same, and method for manufacturing edge and damper of speaker using same
10/20/2005US20050232457 Speaker-use diaphragm and speaker
10/20/2005US20050230006 Method for manufacturing ceramic structure
10/19/2005CN1685759A Electroacoustic transducer and process for producing the same
10/19/2005CN1684546A Microsilicon microphone and its preparing method
10/18/2005US6955241 Speaker unit for low frequency reproduction
10/18/2005US6954978 a temporary protective coating of fluorocarbon polymer is applied by vapor or solvent mediated depositon
10/13/2005US20050226459 Vibrating plate for speaker and method of fabricating the same
10/13/2005US20050225898 Magnetic devices having magnetic features with CMP stop layers
10/13/2005US20050225897 Heat extractor for magnetic reader-writer
10/11/2005US6954024 Unidirectional acoustic probe and method for making same
10/06/2005US20050220320 Speaker for mobile terminals and manufacturing method thereof
10/06/2005US20050217106 Apparatus and method for precise lapping of recessed and protruding elements in a workpiece
10/06/2005DE102005011664A1 Mehrfunkions-Lautsprecher Mehrfunkions speakers
10/05/2005CN2730824Y Assembling board gearing device for loudspeaker
10/05/2005CN1678131A Speaker for mobile terminals and manufacturing method thereof
09/2005
09/29/2005WO2005091674A1 Multifunction vibration actuator and portable terminal device
09/29/2005US20050213788 Acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-board structure
09/29/2005US20050211402 Acoustic paper diaphragm and acoustic transducer apparatus
09/29/2005US20050210659 Method of manufacturing thin-film magnetic head
09/28/2005CN1674718A Loudspeaker elastic wave wire structure and producing method thereof
09/22/2005US20050207610 Multifunction speaker
09/22/2005US20050207605 Microphone and method of producing a microphone
09/21/2005EP1576850A1 Audio speaker and method for assembling an audio speaker
09/21/2005CN1671252A High-performance capacitor microphone and its manufacturing method
09/21/2005CN1671251A Multifunction speaker
09/21/2005CN1671249A Acoustic paper diaphragm and acoustic transducer apparatus
09/20/2005US6947568 Condenser microphone
09/20/2005US6947246 Large protrusion recording head for controlled magnetic spacing recording/reading
09/20/2005US6946779 Electromechanical transducer
09/20/2005US6944938 Method of forming a magnetoresistive device
09/15/2005WO2005086529A1 Speaker and method of manufacturing the same
09/15/2005US20050201589 Thin speaker and method of manufacturing the speaker
09/13/2005US6943448 Multi-metal layer MEMS structure and process for making the same
09/13/2005US6941642 Head stack load comb for controlled head loading
09/09/2005WO2005084076A1 Method of and device for modifying the properties of a membrane for an electroacoustic transducer
09/09/2005WO2005083764A1 Production method for semiconductor device and semiconductor device
09/09/2005WO2005009219A3 Method for making a spiral array ultrasound transducer
09/08/2005US20050195527 Mounting method of magnetic head component, magnetic head device and manufacturing method of magnetic head device
09/07/2005CN1666569A Loudspeaker diaphragm systems
09/07/2005CN1218610C Electromechanical transducer
09/06/2005US6940991 Damper for loudspeaker and method for manufacturing same
09/01/2005US20050190491 Self-aligned, notched trailing shield for perpendicular recording
08/2005
08/31/2005EP1569498A2 Parallelepiped condenser microphone
08/31/2005CN1663322A Electro-dynamic planar loudspeakers
08/31/2005CN1663320A Audio speaker and method for assembling an audio speaker
08/31/2005CN1661680A Self-aligned, notched trailing shield for perpendicular recording
08/30/2005US6935013 Apparatus and method for precise lapping of recessed and protruding elements in a workpiece
08/25/2005WO2005079110A1 Speaker, speaker-use diaphragm, dust cap, production methods and production devices for them
08/25/2005WO2005079107A1 Bone-conduction device and method of manufacturing the same
08/25/2005CA2546532A1 Bone-conduction device and method of manufacturing the same
08/24/2005CN1659925A An acoustically active element formed in a multi-layer circuit-board structure, a method for forming acoustically active element in a multi-layer circuit-board structure, and a multi-layer circuit-boa
08/24/2005CN1659411A Thermoacoustic devices
08/24/2005CN1658097A Adjusting method for horn working parameter
08/23/2005US6933663 Cell driving type actuator and method for manufacturing the same
08/18/2005US20050180590 Loudspeaker with field replaceable parts and method of assembly
08/18/2005US20050180577 Loudspeaker array system
08/18/2005US20050178516 speaker components (e.g., diaphragm) which have been subjected to fire retardation treatments in a conventional art are a product of paper making of fire retardant fiber such as cellulose phosphate fiber
08/17/2005EP1563711A1 An apparatus for energy transfer in a balanced receiver assembly and manufacturing method thereof
08/17/2005EP1563710A1 An apparatus for creating acoustic energy in a balanced receiver assembly and manufacturing method thereof
08/17/2005EP1093703B1 A method of manufacturing a transducer having a diaphragm with a predetermined tension
08/17/2005CN2718923Y Loudspeaker box
08/17/2005CN1655650A Process for making backing electrode electret condenser type microphones
08/17/2005CN1655648A Speaker component, method of manufacturing the same and speaker apparatus including the same
08/17/2005CN1655647A Vibrating board and its producing method, and speaker
08/17/2005CN1655645A Loudspeaker and apparatus using loudspeaker
08/11/2005US20050177343 Method and apparatus for forming a pattern, device and electronic apparatus
08/11/2005US20050175205 Oval speaker apparatus and method of manufacturing the same
08/11/2005US20050174017 Composite piezoelectric vibrator
08/11/2005US20050174016 Composite piezoelectric body
08/10/2005CN2717153Y Loudspeaker drum paper with angle
08/09/2005US6928178 Condenser microphone and method for making the same
08/04/2005WO2005072009A1 Armature for a receiver
08/04/2005US20050170532 Novel oxidation method to fabricate low resistance TMR read head
08/04/2005US20050169493 Loudspeaker array system
08/04/2005US20050167281 Production method of suspension board with circuit
08/03/2005EP1560460A1 Linear array loudspeaker and method for positioning of transducers
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