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