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1975-07-01 |
Theodore Lindenberg |
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1995-12-22 |
1997-10-06 |
Tore Fors |
Högtalare
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1998-01-07 |
2001-10-16 |
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1998-01-07 |
2001-02-13 |
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2005-05-31 |
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1998-06-26 |
2001-01-16 |
American Technology Corporation |
Electrostatic speaker with moveable diaphragm edges
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2005-05-12 |
Particle Measuring Systems, Inc. |
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2005-02-01 |
American Technology Corporation |
Parametric loudspeaker with improved phase characteristics
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2005-09-08 |
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2002-08-19 |
American Technology Corporation |
Improved single-ended planar-magnetic speaker
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2002-05-02 |
2006-12-26 |
Harman International Industries, Incorporated |
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2006-12-05 |
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Harman International Industries, Incorporated |
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Harman International Industries, Incorporated |
Magnet arrangement for loudspeaker
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Hutt Steven W. |
Film attaching system
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2002-05-02 |
2006-12-12 |
Harman International Industries, Incorporated |
Electro-dynamic loudspeaker mounting system
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2003-01-30 |
2008-01-08 |
Harman International Industries, Incorporated |
Acoustic lens system
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2006-03-08 |
American Technology Corporation |
System and method for delivering audio-visual content along a customer waiting line
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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
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2007-03-22 |
2012-09-25 |
Parametric Sound Corporation |
Audio distortion correction for a parametric reproduction system
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2010-06-14 |
2013-03-05 |
Parametric Sound Corporation |
Parametric transducer systems and related methods
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2012-01-10 |
2013-07-18 |
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2012-04-18 |
2015-02-17 |
Turtle Beach Corporation |
Parametric transducers and related methods
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2012-07-03 |
2015-01-13 |
Turtle Beach Corporation |
Low profile parametric transducers and related methods
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2013-04-16 |
2014-12-02 |
Turtle Beach Corporation |
Video gaming system with ultrasonic speakers
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2013-06-13 |
2016-05-03 |
Turtle Beach Corporation |
Self-bias emitter circuit
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2013-06-13 |
2015-03-24 |
Turtle Beach Corporation |
Self-bias emitter circuit
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