Patents for H04R 19 - Electrostatic transducers (5,387)
08/2006
08/16/2006CN1820540A Housing for condenser microphone
08/16/2006CN1820539A Electret microphone comprising spring washer
08/10/2006US20060177083 Hearing aid with large diaphragm microphone element including a printed circuit board
08/10/2006DE19730914B4 Mikroelektronik-Baugruppe Microelectronics assembly
08/10/2006DE102005059514A1 Kondensatormikrofon und Verfahren zu dessen Herstellung Condenser microphone and process for its preparation
08/10/2006DE102005004877A1 Mikromechanisches Bauelement und entsprechendes Herstellungsverfahren Micro-mechanical device and manufacturing method thereof
08/09/2006CN1816222A Silicon micro capacitor microphone chip and producing method
08/09/2006CN1816221A Silicon micro capacitor microphone chip and producing method
08/09/2006CN1269383C Method of providing hydrophobic layer and condenser microphone having such layer
08/02/2006EP1686599A1 Electret and electret capacitor
08/02/2006CN1813490A Package structure of silicon capacitor microphone and fabrication method thereof
08/02/2006CN1813489A Fabrication of silicon microphones
08/02/2006CN1813133A Device for generating a medium stream
08/02/2006CN1812630A Microphone
07/2006
07/27/2006US20060162996 Microphone
07/26/2006EP1683267A1 Microphone preamplifier
07/26/2006EP1229837B1 Stethoscope transducer
07/26/2006CN1809221A Electrostatic Microphone
07/25/2006US7080442 Forming an electrode layer on the wafer surface, laminating an electret film away from part electrode layer, laminating a spacer on electret film, opening a through hole; forming a diaphragm with a spacing ; dividing into individual sensors
07/20/2006US20060158065 Electroactive polymer devices for moving fluid
07/20/2006DE102006002067A1 Ultraschall-Sensor Ultrasonic sensor
07/19/2006CN1805622A Minisize electret microphone
07/12/2006CN2796286Y Microphone special tube with internal noise suppressing function
07/12/2006CN1802039A A microphone assembly
07/12/2006CN1802038A Condenser microphone and method for manufacturing the same
07/12/2006CN1802037A Back electret type silicon-based minisize electret capacitor microphone
07/11/2006US7074634 Surface micromachining process for manufacturing electro-acoustic transducers, particularly ultrasonic transducers, obtained transducers and intermediate products
07/06/2006US20060145570 Sound detecting mechanism
07/06/2006US20060143911 Electret condenser microphone and method of producing same
07/05/2006CN1798454A 防水话筒 Waterproof microphone
07/05/2006CN1263349C Capacitor microphone and its making process
07/04/2006US7072482 Microphone with improved sound inlet port
07/04/2006US7072479 Capacitor microphone
06/2006
06/29/2006US20060141656 Micromechanical sensors and methods of manufacturing same
06/29/2006US20060140437 Acoustic device and flat speaker thereof
06/29/2006US20060140431 Multielement microphone
06/29/2006US20060137455 Vibration sensor
06/28/2006EP1673963A1 A microphone component and a method for its manufacture
06/28/2006CN1795700A Sound detecting mechanism and process for manufacturing the same
06/28/2006CN1795699A Sound detection mechanism
06/28/2006CN1794884A Miniature electret capacitor microphone
06/21/2006CN1791282A Condenser microphone and method for manufacturing substrate for the same
06/21/2006CN1791281A Silicon micro condenser microphone chip and its preparing method
06/20/2006US7065224 Microphone for a hearing aid or listening device with improved internal damping and foreign material protection
06/20/2006US7064472 Electroactive polymer devices for moving fluid
06/20/2006US7063546 Microphone connector
06/15/2006WO2006061991A1 Microphone and its manufacturing method
06/15/2006WO2006061058A1 Mems microphone and method for producing said microphone
06/14/2006CN2788497Y Minisize microphone circuit board
06/14/2006CN1787693A Silicon crystal condensed microphone structure capable of reducing vibrating film stress
06/14/2006CN1787692A Mini microphone film
06/13/2006US7062058 Cylindrical microphone having an electret assembly in the end cover
06/13/2006US7062055 Elastomeric dielectric polymer film sonic actuator
06/13/2006US7062053 Condenser microphone structure
06/13/2006US7062052 Electret condenser microphone and method of producing same
06/08/2006US20060120550 Integrated microphone stand and pedal board
06/08/2006US20060120544 Capacitor microphone unit and capacitor microphone
06/08/2006DE102004058879A1 MEMS-Mikrophon und Verfahren zur Herstellung MEMS microphone and methods for preparing
06/07/2006EP1664684A2 Sonic or ultrasonic transducer
06/07/2006CN1784084A Microphone and its producing method
06/07/2006CN1784083A Condenser microphone and method of manufacturing substrate therefor
06/01/2006WO2006057524A1 Microphone assembly
06/01/2006US20060116180 Acoustic transducer module
06/01/2006US20060115102 Surface mountable transducer system
06/01/2006US20060115097 Microphone system with directional response
06/01/2006US20060113932 Vibrator unit and portable telephone employing it
06/01/2006US20060113880 Electroactive polymers
06/01/2006US20060113878 Electroactive polymers
05/2006
05/31/2006EP1662238A1 Vibration sensor
05/31/2006CN1781337A Method and apparatus for substantially improving power supply rejection performance in a miniature microphone assembly
05/30/2006US7054456 Invertedly driven electrostatic speaker
05/26/2006WO2006054812A1 Hybrid speaker
05/25/2006US20060109996 Microphone system for vehicle
05/24/2006CN2783675Y Silicon micro capacitance microphone chip
05/23/2006US7050597 Directional capacitor microphone
05/23/2006US7049732 Electroactive polymers
05/23/2006US7049051 Process for forming and acoustically connecting structures on a substrate
05/18/2006WO2005114820A3 Implantable ultrasonic transducer systems and methods
05/18/2006US20060105602 Connector for condenser microphone
05/17/2006EP1657957A2 Condenser microphone and method of manufacturing substrate thereof
05/16/2006US7046016 Potential fixing device, potential fixing method, and capacitance measuring instrument
05/11/2006WO2006049583A1 Silicon microphone
05/11/2006WO2006049100A1 Capacitive vibration sensor and method for manufacturing same
05/10/2006EP1655996A2 Condenser microphone and method for manufacturing substrate for the same
05/10/2006CN2779778Y A microphone
05/10/2006CN1771758A Condenser microphone employing wide band stop filter and having improved resistance to electrostatic discharge
05/10/2006CN1771757A Electret capacitor microphone
05/10/2006CN1770929A Easy-to-maintenance voice transport unit
05/09/2006US7040173 Pressure sensor and method for operating a pressure sensor
05/04/2006WO2006046927A2 A backplateless silicon microphone
05/04/2006WO2006046926A2 A silicon microphone with softly constrained diaphragm
05/04/2006WO2006046194A1 Reduction of air damping in mems device
05/02/2006US7039202 Microphone unit
04/2006
04/26/2006EP1649722A1 Improvements in the design of electrostatic loudspeakers
04/26/2006EP1649718A1 Surface mountable electret condenser microphone
04/26/2006CN1764328A Dynamic pressure sensing structure
04/26/2006CN1764325A Microphone attachment device
04/25/2006US7034551 Electrostatic capacitance detection circuit and microphone device
04/25/2006US7034432 Electroactive polymer generators
04/19/2006EP1648195A1 Sound detection mechanism
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