|
CA1025994A
(en)
*
|
1975-07-08 |
1978-02-07 |
Uniroyal Ltd. |
Electromechanical transducer
|
|
JPS57125600A
(en)
*
|
1981-02-21 |
1982-08-04 |
Bulgarsko Radio |
Electrostatic acoustic converter
|
|
US4533794A
(en)
*
|
1983-05-23 |
1985-08-06 |
Beveridge Harold N |
Electrode for electrostatic transducer
|
|
WO1993001691A1
(en)
*
|
1991-07-11 |
1993-01-21 |
Driver Michael L |
Electrolytic loudspeaker assembly
|
|
US5335286A
(en)
*
|
1992-02-18 |
1994-08-02 |
Knowles Electronics, Inc. |
Electret assembly
|
|
EP0753238B1
(en)
*
|
1994-03-29 |
2003-05-07 |
Harman International Industries Incorporated |
Method of manufacturing a loudspeaker spider
|
|
NL193083C
(nl)
*
|
1994-06-08 |
1998-09-08 |
Cornelis Ruijtenberg |
Werkwijze voor het vervaardigen van een transducent van een elektrostatische luidspreker.
|
|
US6188772B1
(en)
|
1998-01-07 |
2001-02-13 |
American Technology Corporation |
Electrostatic speaker with foam stator
|
|
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
|
|
US5898147A
(en)
*
|
1997-10-29 |
1999-04-27 |
C & K Components, Inc. |
Dual tact switch assembly
|
|
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
|
|
US20050195985A1
(en)
*
|
1999-10-29 |
2005-09-08 |
American Technology Corporation |
Focused parametric array
|
|
CA2401886A1
(en)
*
|
2000-03-03 |
2001-09-13 |
American Technology Corporation |
Single end planar magnetic speaker
|
|
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
|
|
WO2003032678A2
(en)
*
|
2001-10-09 |
2003-04-17 |
Frank Joseph Pompei |
Ultrasonic transducer for parametric array
|
|
US20060280315A1
(en)
*
|
2003-06-09 |
2006-12-14 |
American Technology Corporation |
System and method for delivering audio-visual content along a customer waiting line
|
|
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
|
|
JP3873990B2
(ja)
*
|
2004-06-11 |
2007-01-31 |
セイコーエプソン株式会社 |
超音波トランスデューサ及びこれを用いた超音波スピーカ
|
|
JP4103877B2
(ja)
*
|
2004-09-22 |
2008-06-18 |
セイコーエプソン株式会社 |
静電型超音波トランスデューサ及び超音波スピーカ
|
|
US20060082158A1
(en)
*
|
2004-10-15 |
2006-04-20 |
Schrader Jeffrey L |
Method and device for supplying power from acoustic energy
|
|
JP4844411B2
(ja)
*
|
2006-02-21 |
2011-12-28 |
セイコーエプソン株式会社 |
静電型超音波トランスデューサ、静電型超音波トランスデューサの製造方法、超音波スピーカ、音声信号再生方法、超指向性音響システム及び表示装置
|
|
US8275137B1
(en)
|
2007-03-22 |
2012-09-25 |
Parametric Sound Corporation |
Audio distortion correction for a parametric reproduction system
|
|
US8184833B2
(en)
*
|
2007-12-14 |
2012-05-22 |
Sony Ericsson Mobile Communications Ab |
Electrostatic speaker arrangement for a mobile device
|
|
CN101729965B
(zh)
*
|
2008-10-24 |
2013-04-03 |
财团法人工业技术研究院 |
平面扬声器单体与扬声器装置
|
|
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
|
|
US8958580B2
(en)
|
2012-04-18 |
2015-02-17 |
Turtle Beach Corporation |
Parametric transducers and 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
|
|
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
|
|
US9661422B2
(en)
*
|
2015-06-09 |
2017-05-23 |
Brane Audio, LLC |
Electroacousitic loudspeaker system for use in a partial enclosure
|
|
US10231060B2
(en)
*
|
2015-12-23 |
2019-03-12 |
Sennheiser Electronic Gmbh & Co. Kg |
Electrostatic headphones
|
|
EP3200479A3
(en)
*
|
2016-01-28 |
2017-08-30 |
Sonion Nederland B.V. |
An assembly comprising an electrostatic sound generator and a transformer
|
|
CN107835477B
(zh)
*
|
2017-11-24 |
2020-03-17 |
歌尔股份有限公司 |
一种mems麦克风
|
|
WO2019222733A1
(en)
*
|
2018-05-18 |
2019-11-21 |
Clean Energy Labs, Llc |
Compact electroacoustic transducer and loudspeaker system and method of use thereof
|
|
JP7410935B2
(ja)
|
2018-05-24 |
2024-01-10 |
ザ リサーチ ファウンデーション フォー ザ ステイト ユニバーシティー オブ ニューヨーク |
容量性センサ
|
|
US20210058712A1
(en)
*
|
2019-08-22 |
2021-02-25 |
Clean Energy Labs, Llc |
Compact electroacoustic transducer and loudspeaker system and method of use thereof
|
|
US20240388855A1
(en)
*
|
2021-09-21 |
2024-11-21 |
Warwick Acoustics Limited |
Multilayered Electrostatic Transducer
|