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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39419466 Jun 19732 Mar 1976Sony CorporationElectrostatic transducer assembly
US394202917 Jul 19742 Mar 1976Sony CorporationElectrostatic transducer
US418597228 Mar 197829 Ene 1980Nitta Belt Kabushiki KaishaElectric charge holding structure for electretized air-filter medium
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US45242477 Jul 198318 Jun 1985AT&T Bell LaboratoriesIntegrated electroacoustic transducer with built-in bias
US45337957 Jul 19836 Ago 1985American Telephone and Telegraph
AT&T Bell Laboratories
Integrated electroacoustic transducer
US557042823 May 199529 Oct 1996Tibbetts Industries, Inc.Transducer assembly
US651318428 Jun 20004 Feb 2003S. C. Johnson & Son, Inc.Particle entrapment system
US65506395 Dic 200022 Abr 2003S.C. Johnson & Son, Inc.Triboelectric system
US694756824 Sep 200320 Sep 2005Citizen Electronics Co., Ltd.Condenser microphone
US714601625 Nov 20025 Dic 2006Center for National Research InitiativesMiniature condenser microphone and fabrication method therefor
US719539331 May 200227 Mar 2007Rochester Institute of TechnologyMicro fluidic valves, agitators, and pumps and methods thereof
US721192310 Nov 20031 May 2007Nth Tech CorporationRotational motion based, electrostatic power source and methods thereof
US721758224 Ago 200415 May 2007Rochester Institute of TechnologyMethod for non-damaging charge injection and a system thereof
US728001412 Mar 20029 Oct 2007Rochester Institute of TechnologyMicro-electro-mechanical switch and a method of using and making thereof
US728732824 Ago 200430 Oct 2007Rochester Institute of TechnologyMethods for distributed electrode injection
US736287312 Sep 200622 Abr 2008Corporation for National Research InitiativesMiniature condenser microphone and fabrication method therefor
US737877512 Nov 200327 May 2008Nth Tech CorporationMotion based, electrostatic power source and methods thereof
US740073730 May 200615 Jul 2008Corporation for National Research InitiativesMiniature condenser microphone and fabrication method therefor
US74082361 Mar 20075 Ago 2008Nth TechMethod for non-damaging charge injection and system thereof
US751462614 Dic 20077 Abr 2009Method and apparatus for electrostatic pickup for stringed musical instruments
US753676925 May 200626 May 2009Corporation for National Research InitiativesMethod of fabricating an acoustic transducer
US80817844 Sep 200720 Dic 2011Industrial Technology Research InstituteElectrostatic electroacoustic transducers