|
US3345469A
(en)
*
|
1964-03-02 |
1967-10-03 |
Rod Dev Corp |
Electrostatic loudspeakers
|
|
US3403234A
(en)
*
|
1964-09-11 |
1968-09-24 |
Northrop Corp |
Acoustic transducer
|
|
US3389226A
(en)
*
|
1964-12-29 |
1968-06-18 |
Gen Electric |
Electrostatic loudspeaker
|
|
US3413573A
(en)
*
|
1965-06-18 |
1968-11-26 |
Westinghouse Electric Corp |
Microelectronic frequency selective apparatus with vibratory member and means responsive thereto
|
|
US3422324A
(en)
*
|
1967-05-17 |
1969-01-14 |
Webb James E |
Pressure variable capacitor
|
|
US3562429A
(en)
*
|
1968-04-29 |
1971-02-09 |
Teachout West Electro Acoustic |
Sound transmitter with feedback and polarization circuitry
|
|
US3604251A
(en)
*
|
1969-04-18 |
1971-09-14 |
Atomic Energy Commission |
A capacitive ultrasonic device for nondestructively testing a sample
|
|
US3654403A
(en)
*
|
1969-05-01 |
1972-04-04 |
Chester C Pond |
Electrostatic speaker
|
|
US3783202A
(en)
*
|
1971-01-07 |
1974-01-01 |
Pond C |
Speaker system and electrostatic speaker
|
|
JPS5223333Y2
(US07122603-20061017-C00294.png)
*
|
1972-06-17 |
1977-05-27 |
|
|
|
US3980838A
(en)
*
|
1974-02-20 |
1976-09-14 |
Tokyo Shibaura Electric Co., Ltd. |
Plural electret electroacoustic transducer
|
|
US4006317A
(en)
*
|
1975-02-14 |
1977-02-01 |
Freeman Miller L |
Electrostatic transducer and acoustic and electric signal integrator
|
|
US4146800A
(en)
*
|
1975-10-08 |
1979-03-27 |
Gregory Stephen E |
Apparatus and method of generating electricity from wind energy
|
|
AT361555B
(de)
*
|
1979-02-12 |
1981-03-25 |
Akg Akustische Kino Geraete |
Kopfhoerer
|
|
JPS57192195A
(en)
*
|
1981-05-15 |
1982-11-26 |
Beard Terry D |
Electric-acoustic transducer
|
|
US4533794A
(en)
*
|
1983-05-23 |
1985-08-06 |
Beveridge Harold N |
Electrode for electrostatic transducer
|
|
FR2559981B1
(fr)
*
|
1984-02-17 |
1986-05-16 |
Thomson Csf |
Dispositif de reproduction sonore pour televiseur
|
|
NL8601772A
(nl)
*
|
1986-07-08 |
1988-02-01 |
Philips Nv |
Inrichting voor het omzetten van een elektrisch signaal in een akoestisch signaal, voorzien van een elektrostatische omzettereenheid.
|
|
US5388163A
(en)
*
|
1991-12-23 |
1995-02-07 |
At&T Corp. |
Electret transducer array and fabrication technique
|
|
JP3277498B2
(ja)
*
|
1992-10-24 |
2002-04-22 |
ソニー株式会社 |
スピーカ装置
|
|
US5682075A
(en)
*
|
1993-07-14 |
1997-10-28 |
The University Of British Columbia |
Porous gas reservoir electrostatic transducer
|
|
FI116873B
(fi)
*
|
1996-02-26 |
2006-03-15 |
Panphonics Oy |
Akustinen elementti ja menetelmä äänen käsittelemiseksi
|
|
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
|
|
US5862239A
(en)
*
|
1997-04-03 |
1999-01-19 |
Lucent Technologies Inc. |
Directional capacitor microphone system
|
|
US6175636B1
(en)
*
|
1998-06-26 |
2001-01-16 |
American Technology Corporation |
Electrostatic speaker with moveable diaphragm edges
|
|
US6850623B1
(en)
*
|
1999-10-29 |
2005-02-01 |
American Technology Corporation |
Parametric loudspeaker with improved phase characteristics
|
|
US20050100181A1
(en)
*
|
1998-09-24 |
2005-05-12 |
Particle Measuring Systems, Inc. |
Parametric transducer having an emitter film
|
|
US6199655B1
(en)
|
1999-10-22 |
2001-03-13 |
American Technology Corporation |
Holographic transparent speaker
|
|
US20050195985A1
(en)
*
|
1999-10-29 |
2005-09-08 |
American Technology Corporation |
Focused parametric array
|
|
US20030118203A1
(en)
*
|
2000-03-07 |
2003-06-26 |
George Raicevich |
Layered microphone structure
|
|
US6925187B2
(en)
*
|
2000-03-28 |
2005-08-02 |
American Technology Corporation |
Horn array emitter
|
|
US20060233404A1
(en)
*
|
2000-03-28 |
2006-10-19 |
American Technology Corporation. |
Horn array emitter
|
|
JP2005503685A
(ja)
*
|
2001-01-22 |
2005-02-03 |
アメリカン・テクノロジー・コーポレーション |
改良非平衡平面型磁気スピーカー
|
|
US6934402B2
(en)
*
|
2001-01-26 |
2005-08-23 |
American Technology Corporation |
Planar-magnetic speakers with secondary magnetic structure
|
|
FI20010766A0
(fi)
*
|
2001-04-11 |
2001-04-11 |
Panphonics Oy |
Sähkömekaaninen muunnin ja menetelmä energioiden muuntamiseksi
|
|
EP1632104A2
(en)
*
|
2003-06-09 |
2006-03-08 |
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
|
|
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
|
|
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
|
|
ES2730117T3
(es)
|
2010-06-14 |
2019-11-08 |
Turtle Beach Corp |
Procesamiento mejorado de señales paramétricas y sistemas emisores y procedimientos relacionados
|
|
WO2013106596A1
(en)
|
2012-01-10 |
2013-07-18 |
Parametric Sound Corporation |
Amplification systems, 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
|
|
US9332344B2
(en)
|
2013-06-13 |
2016-05-03 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
|
US8988911B2
(en)
|
2013-06-13 |
2015-03-24 |
Turtle Beach Corporation |
Self-bias emitter circuit
|
|
WO2016127119A1
(en)
*
|
2015-02-06 |
2016-08-11 |
Clean Energy Labs, Llc |
Loudspeaker having electrically conductive membrane transducers
|
|
US9826313B2
(en)
*
|
2015-05-20 |
2017-11-21 |
Clean Energy Labs, Llc |
Compact electroacoustic transducer and loudspeaker system and method of use thereof
|
|
CN107710788A
(zh)
*
|
2015-06-08 |
2018-02-16 |
怀斯迪斯匹有限公司 |
静电扬声器及其方法
|
|
US9661422B2
(en)
*
|
2015-06-09 |
2017-05-23 |
Brane Audio, LLC |
Electroacousitic loudspeaker system for use in a partial enclosure
|
|
WO2017006250A1
(en)
*
|
2015-07-06 |
2017-01-12 |
Wizedsp Ltd. |
An acoustic transmit-receive transducer
|
|
US10250997B2
(en)
*
|
2016-10-25 |
2019-04-02 |
Clean Energy Labs, Llc |
Compact electroacoustic transducer and loudspeaker system and method of use thereof
|
|
US20190251944A1
(en)
*
|
2018-01-31 |
2019-08-15 |
Raymond Sobol |
System and Method For Altering Sound Waves
|
|
US11151975B2
(en)
|
2018-01-31 |
2021-10-19 |
Zerosound Systems Inc. |
Apparatus and method for sound wave generation
|
|
US10665219B2
(en)
*
|
2018-01-31 |
2020-05-26 |
Zerosound Systems Inc. |
Apparatus and method for active noise reduction
|
