|
US3898598A
(en)
*
|
1974-01-24 |
1975-08-05 |
Foster Tsushin Kogyo |
Dynamic electroacoustic transducer
|
|
DE2461280C3
(de)
*
|
1974-12-23 |
1981-08-27 |
Foster Electric Co., Ltd., Tokyo |
Elektroakustischer Wandler
|
|
US4013846A
(en)
*
|
1975-08-28 |
1977-03-22 |
Minnesota Mining And Manufacturing Company |
Piston loudspeaker
|
|
DE2836937B2
(de)
*
|
1977-08-31 |
1981-06-25 |
AKG Akustische u. Kino-Geräte GmbH, Wien |
Kopfhörer
|
|
JPS587757Y2
(ja)
*
|
1978-02-25 |
1983-02-10 |
澤藤 正 |
平面駆動型電気−音響相互変換器
|
|
US4413161A
(en)
*
|
1980-02-09 |
1983-11-01 |
Nippon Gakki Seizo Kabushiki Kaisha |
Electro-acoustic transducer
|
|
US4385210A
(en)
*
|
1980-09-19 |
1983-05-24 |
Electro-Magnetic Corporation |
Electro-acoustic planar transducer
|
|
US4544805A
(en)
*
|
1981-09-25 |
1985-10-01 |
Tadashi Sawafuji |
Plane speaker
|
|
US4468530A
(en)
*
|
1982-01-25 |
1984-08-28 |
Torgeson W Lee |
Loudspeaker system
|
|
US4471173A
(en)
*
|
1982-03-01 |
1984-09-11 |
Magnepan, Inc. |
Piston-diaphragm speaker
|
|
US4471172A
(en)
*
|
1982-03-01 |
1984-09-11 |
Magnepan, Inc. |
Planar diaphragm transducer with improved magnetic circuit
|
|
US4480155A
(en)
*
|
1982-03-01 |
1984-10-30 |
Magnepan, Inc. |
Diaphragm type magnetic transducer
|
|
US4491698A
(en)
*
|
1982-06-17 |
1985-01-01 |
David A. Larson |
Electro-acoustic transducer with diaphragm and blank therefor
|
|
US4536623A
(en)
*
|
1983-06-16 |
1985-08-20 |
Larson David A |
Electro-acoustic transducer with diaphragm and blank therefor
|
|
US4803733A
(en)
*
|
1986-12-16 |
1989-02-07 |
Carver R W |
Loudspeaker diaphragm mounting system and method
|
|
US5430805A
(en)
*
|
1990-12-27 |
1995-07-04 |
Chain Reactions, Inc. |
Planar electromagnetic transducer
|
|
US5748758A
(en)
*
|
1996-01-25 |
1998-05-05 |
Menasco, Jr.; Lawrence C. |
Acoustic audio transducer with aerogel diaphragm
|
|
US6188772B1
(en)
|
1998-01-07 |
2001-02-13 |
American Technology Corporation |
Electrostatic speaker with foam stator
|
|
US20020076069A1
(en)
*
|
1998-01-07 |
2002-06-20 |
American Technology Corporation |
Sonic emitter with foam stator
|
|
US6304662B1
(en)
|
1998-01-07 |
2001-10-16 |
American Technology Corporation |
Sonic emitter with foam stator
|
|
US6104825A
(en)
*
|
1997-08-27 |
2000-08-15 |
Eminent Technology Incorporated |
Planar magnetic transducer with distortion compensating diaphragm
|
|
ES2251198T3
(es)
|
1998-06-22 |
2006-04-16 |
Slab Technology Limited |
Altavoces.
|
|
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
|
|
AU2001239993A1
(en)
*
|
2000-03-03 |
2001-09-17 |
American Technology Corporation |
Single end planar magnetic speaker
|
|
JP4500426B2
(ja)
*
|
2000-11-02 |
2010-07-14 |
フォスター電機株式会社 |
面駆動型電気音響変換器
|
|
AU2002243627A1
(en)
*
|
2001-01-22 |
2002-08-19 |
American Technology Corporation |
Improved single-ended planar-magnetic speaker
|
|
US6934402B2
(en)
*
|
2001-01-26 |
2005-08-23 |
American Technology Corporation |
Planar-magnetic speakers with secondary magnetic structure
|
|
EP1377115B1
(de)
*
|
2002-06-24 |
2016-01-06 |
Panasonic Intellectual Property Management Co., Ltd. |
Lautsprechermembran
|
|
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
|
|
US8116512B2
(en)
*
|
2006-09-14 |
2012-02-14 |
Bohlender Graebener Corporation |
Planar speaker driver
|
|
US8275137B1
(en)
|
2007-03-22 |
2012-09-25 |
Parametric Sound Corporation |
Audio distortion correction for a parametric reproduction system
|
|
EP2580922B1
(de)
|
2010-06-14 |
2019-03-20 |
Turtle Beach Corporation |
Verbesserte verarbeitung parametrischer signale sowie emittersysteme und verfahren dafür
|
|
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
|
|
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
|
|
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
|
|
DE212015000330U1
(de)
*
|
2015-12-21 |
2018-07-30 |
Ko-Chung Teng |
Pneumatische Hochtönereinheit mit verbesserter Schallmembran und Struktur
|
|
FR3054767B1
(fr)
*
|
2017-03-20 |
2020-02-28 |
D&P Audio |
Haut-parleur plan isodynamique
|
|
EP3828628A4
(de)
|
2018-07-24 |
2021-09-08 |
Sony Group Corporation |
Beleuchtungsvorrichtung und projektor
|
|
FR3132403B1
(fr)
|
2022-02-02 |
2023-12-15 |
D&P Audio |
Haut-parleur plan isodynamique a bobinages croisés
|