|
US3895193A
(en)
*
|
1968-04-29 |
1975-07-15 |
Pond Chester C |
Cross-over network and bias voltage supply for dynamic-electrostatic speaker system
|
|
US3668336A
(en)
*
|
1969-12-08 |
1972-06-06 |
Dayton Wright Associates Ltd |
Audio system including electrostatic loudspeaker
|
|
GB1563511A
(en)
*
|
1976-03-19 |
1980-03-26 |
Harwood H |
Diaphragms for electroacoustic transducers
|
|
US4160882A
(en)
*
|
1978-03-13 |
1979-07-10 |
Driver Michael L |
Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics
|
|
JPS57125600A
(en)
*
|
1981-02-21 |
1982-08-04 |
Bulgarsko Radio |
Electrostatic acoustic converter
|
|
US5206557A
(en)
*
|
1990-11-27 |
1993-04-27 |
Mcnc |
Microelectromechanical transducer and fabrication method
|
|
WO1993001691A1
(en)
*
|
1991-07-11 |
1993-01-21 |
Driver Michael L |
Electrolytic loudspeaker assembly
|
|
US5479061A
(en)
*
|
1992-12-31 |
1995-12-26 |
University Of North Carolina |
Pleated sheet microelectromechanical transducer
|
|
US6304662B1
(en)
|
1998-01-07 |
2001-10-16 |
American Technology Corporation |
Sonic emitter with foam stator
|
|
US20020076069A1
(en)
*
|
1998-01-07 |
2002-06-20 |
American Technology Corporation |
Sonic emitter with foam stator
|
|
US6188772B1
(en)
*
|
1998-01-07 |
2001-02-13 |
American Technology Corporation |
Electrostatic speaker with foam stator
|
|
US6175636B1
(en)
|
1998-06-26 |
2001-01-16 |
American Technology Corporation |
Electrostatic speaker with moveable diaphragm edges
|
|
US20050100181A1
(en)
*
|
1998-09-24 |
2005-05-12 |
Particle Measuring Systems, Inc. |
Parametric transducer having an emitter film
|
|
US6850623B1
(en)
|
1999-10-29 |
2005-02-01 |
American Technology Corporation |
Parametric loudspeaker with improved phase characteristics
|
|
KR20030079956A
(ko)
*
|
2001-01-22 |
2003-10-10 |
어메리컨 테크놀로지 코포레이션 |
개선된 단일단부 평면 자기 스피커
|
|
US6934402B2
(en)
*
|
2001-01-26 |
2005-08-23 |
American Technology Corporation |
Planar-magnetic speakers with secondary magnetic structure
|
|
US7564981B2
(en)
|
2003-10-23 |
2009-07-21 |
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
|
|
CA2844996C
(en)
*
|
2006-04-14 |
2016-03-08 |
Murray R. Harman |
Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
|
|
US8670581B2
(en)
|
2006-04-14 |
2014-03-11 |
Murray R. Harman |
Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
|
|
DE102007007957A1
(de)
*
|
2007-02-17 |
2008-08-21 |
Lyttron Technology Gmbh |
Lautsprecher aufgebaut aus Folien
|
|
US8275137B1
(en)
|
2007-03-22 |
2012-09-25 |
Parametric Sound Corporation |
Audio distortion correction for a parametric reproduction system
|
|
DE102008047796A1
(de)
|
2008-09-17 |
2010-04-15 |
Siemens Aktiengesellschaft |
Vorrichtung zur Erzeugung von breitbandigem Schall im Hörbereich des Menschen
|
|
US8903116B2
(en)
|
2010-06-14 |
2014-12-02 |
Turtle Beach Corporation |
Parametric transducers and related methods
|
|
US9036831B2
(en)
|
2012-01-10 |
2015-05-19 |
Turtle Beach Corporation |
Amplification system, carrier tracking systems and related methods for use in parametric sound systems
|
|
DE112012006175B4
(de)
|
2012-03-30 |
2018-08-16 |
Sumitomo Riko Company Limited |
Lautsprecher
|
|
WO2013158298A1
(en)
|
2012-04-18 |
2013-10-24 |
Parametric Sound Corporation |
Parametric transducers related methods
|
|
US8934650B1
(en)
|
2012-07-03 |
2015-01-13 |
Turtle Beach Corporation |
Low profile parametric transducers and related methods
|
|
US8903104B2
(en)
|
2013-04-16 |
2014-12-02 |
Turtle Beach Corporation |
Video gaming system with ultrasonic speakers
|
|
WO2014189862A1
(en)
*
|
2013-05-20 |
2014-11-27 |
Aliphcom |
Combination speaker and light source responsive to state(s) of an environment based on sensor data
|
|
US8988911B2
(en)
|
2013-06-13 |
2015-03-24 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
|
US9332344B2
(en)
|
2013-06-13 |
2016-05-03 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
|
US9544696B2
(en)
*
|
2013-12-23 |
2017-01-10 |
Disney Enterprises, Inc. |
Flexible, shapeable free-form electrostatic speakers
|
|
DE102017107958B4
(de)
*
|
2017-04-12 |
2018-11-15 |
AIFC Unternehmensförderungsgesellschaft mbH & Co. KG |
Lautsprecher mit aufrollbarer Membrane
|
|
US11012788B2
(en)
*
|
2018-03-27 |
2021-05-18 |
Sony Corporation |
Loudspeaker system
|
