|
| US4006317 | 14 févr. 1975 | 1 févr. 1977 | | Electrostatic transducer and acoustic and electric signal integrator |
| US4382328 | 2 janv. 1981 | 10 mai 1983 | | Method of making stationary electrodes for electrostatic transducers |
| US4586192 | 27 janv. 1984 | 29 avr. 1986 | Robert B. Welch
David O. Johnson | Soundstage boundary expansion system |
| US4703509 | 19 juin 1985 | 27 oct. 1987 | Zavod za Elektronni Preobrazuvatelni Elementi | Electrostatic acoustic converter with stationary electrode having a progressively increasing surface resistance |
| US4789801 | 3 avr. 1987 | 6 déc. 1988 | Zenion Industries, Inc. | Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same |
| US4799265 | 1 juil. 1987 | 17 janv. 1989 | U.S. Philips Corporation | Electrostatic transducer unit |
| US4924504 | 19 nov. 1987 | 8 mai 1990 | Highwood Audio Inc. | Audio speaker |
| US5054081 | 15 mars 1989 | 1 oct. 1991 | | Electrostatic transducer with improved bass response utilizing disturbed bass resonance energy |
| US5388163 | 23 déc. 1991 | 7 févr. 1995 | AT&T Corp. | Electret transducer array and fabrication technique |
| US5471540 | 22 oct. 1993 | 28 nov. 1995 | Sony Corporation | Electrostatic loudspeaker having stationary electrodes formed as multiple sheets insulated from each other |
| US6175636 | 26 juin 1998 | 16 janv. 2001 | American Technology Corporation | Electrostatic speaker with moveable diaphragm edges |
| US6188772 | 26 juin 1998 | 13 févr. 2001 | American Technology Corporation | Electrostatic speaker with foam stator |
| US6304662 | 7 janv. 1998 | 16 oct. 2001 | American Technology Corporation | Sonic emitter with foam stator |
| US6351541 | 18 mars 1997 | 26 févr. 2002 | Sennheiser Electronic GmbH & Co. KG | Electrostatic transducer |
| US6492784 | 3 mars 2000 | 10 déc. 2002 | Gravitec, Inc. | Propulsion device and method employing electric fields for producing thrust |
| US6510231 | 25 janv. 2001 | 21 janv. 2003 | AKG Acoustics GmbH | Electroacoustic transducer |
| US6584206 | 19 oct. 2001 | 24 juin 2003 | Sony Corporation | Speaker apparatus |
| US6934402 | 25 janv. 2002 | 23 août 2005 | American Technology Corporation | Planar-magnetic speakers with secondary magnetic structure |
| US6963479 | 15 déc. 2003 | 8 nov. 2005 | Kronos Advanced Technologies, Inc. | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow |
| US7077890 | 9 févr. 2004 | 18 juil. 2006 | Sharper Image Corporation | Electrostatic precipitators with insulated driver electrodes |
| US7122070 | 25 août 2005 | 17 oct. 2006 | Kronos Advanced Technologies, Inc. | Method of and apparatus for electrostatic fluid acceleration control of a fluid flow |
| US7142688 | 22 janv. 2002 | 28 nov. 2006 | American Technology Corporation | Single-ended planar-magnetic speaker |
| US7150780 | 8 janv. 2004 | 19 déc. 2006 | Kronos Advanced Technology, Inc. | Electrostatic air cleaning device |
| US7157704 | 2 déc. 2003 | 2 janv. 2007 | Kronos Advanced Technologies, Inc. | Corona discharge electrode and method of operating the same |
| US7220295 | 12 avr. 2004 | 22 mai 2007 | Sharper Image Corporation | Electrode self-cleaning mechanisms with anti-arc guard for electro-kinetic air transporter-conditioner devices |
| US7285155 | 28 mars 2005 | 23 oct. 2007 | | Air conditioner device with enhanced ion output production features |
| US7291207 | 8 déc. 2004 | 6 nov. 2007 | Sharper Image Corporation | Air treatment apparatus with attachable grill |
| US7311762 | 25 juil. 2005 | 25 déc. 2007 | Sharper Image Corporation | Air conditioner device with a removable driver electrode |
| US7318856 | 3 déc. 2004 | 15 janv. 2008 | Sharper Image Corporation | Air treatment apparatus having an electrode extending along an axis which is substantially perpendicular to an air flow path |
| US7405672 | 25 mars 2004 | 29 juil. 2008 | Sharper Image Corp. | Air treatment device having a sensor |
| US7410532 | 6 févr. 2006 | 12 août 2008 | | Method of controlling a fluid flow |
| US7517503 | 2 mars 2004 | 14 avr. 2009 | Sharper Image Acquisition LLC | Electro-kinetic air transporter and conditioner devices including pin-ring electrode configurations with driver electrode |
| US7517504 | 8 mars 2004 | 14 avr. 2009 | | Air transporter-conditioner device with tubular electrode configurations |
| US7517505 | 8 déc. 2004 | 14 avr. 2009 | Sharper Image Acquisition LLC | Electro-kinetic air transporter and conditioner devices with 3/2 configuration having driver electrodes |
| US7532451 | 22 mai 2006 | 12 mai 2009 | Kronos Advanced Technologies, Inc. | Electrostatic fluid acclerator for and a method of controlling fluid flow |
| US7564981 | 21 oct. 2004 | 21 juil. 2009 | American Technology Corporation | Method of adjusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same |
| US7594958 | 30 août 2005 | 29 sept. 2009 | Kronos Advanced Technologies, Inc. | Spark management method and device |
| US7638104 | 3 déc. 2004 | 29 déc. 2009 | Sharper Image Acquisition LLC | Air conditioner device including pin-ring electrode configurations with driver electrode |
| US7662348 | 10 juin 2005 | 16 févr. 2010 | Sharper Image Acquistion LLC | Air conditioner devices |
| US7695690 | 12 févr. 2002 | 13 avr. 2010 | Tessera, Inc. | Air treatment apparatus having multiple downstream electrodes |
| US7724492 | 20 juil. 2007 | 25 mai 2010 | Tessera, Inc. | Emitter electrode having a strip shape |
| US7767169 | 22 nov. 2004 | 3 août 2010 | Sharper Image Acquisition LLC | Electro-kinetic air transporter-conditioner system and method to oxidize volatile organic compounds |
| US7833322 | 27 févr. 2007 | 16 nov. 2010 | Sharper Image Acquisition LLC | Air treatment apparatus having a voltage control device responsive to current sensing |
| US7897118 | 8 déc. 2004 | 1 mars 2011 | Sharper Image Acquisition LLC | Air conditioner device with removable driver electrodes |
| US7906080 | 30 mars 2007 | 15 mars 2011 | Sharper Image Acquisition LLC | Air treatment apparatus having a liquid holder and a bipolar ionization device |
| US7959869 | 9 mai 2003 | 14 juin 2011 | Sharper Image Acquisition LLC | Air treatment apparatus with a circuit operable to sense arcing |
| US7976615 | 12 mars 2010 | 12 juil. 2011 | Tessera, Inc. | Electro-kinetic air mover with upstream focus electrode surfaces |
| US8043573 | 8 févr. 2010 | 25 oct. 2011 | Tessera, Inc. | Electro-kinetic air transporter with mechanism for emitter electrode travel past cleaning member |
| US8049426 | 8 août 2008 | 1 nov. 2011 | Tessera, Inc. | Electrostatic fluid accelerator for controlling a fluid flow |
| US8184832 | 12 avr. 2007 | 22 mai 2012 | | Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically |
| US8199931 | 21 avr. 2008 | 12 juin 2012 | American Technology Corporation | Parametric loudspeaker with improved phase characteristics |
| USRE41812 | 21 janv. 2005 | 12 oct. 2010 | Sharper Image Acquisition LLC | Electro-kinetic air transporter-conditioner |
