BR9906785A - Emissor sÈnico com estator de espuma - Google Patents

Emissor sÈnico com estator de espuma

Info

Publication number
BR9906785A
BR9906785A BR9906785-4A BR9906785A BR9906785A BR 9906785 A BR9906785 A BR 9906785A BR 9906785 A BR9906785 A BR 9906785A BR 9906785 A BR9906785 A BR 9906785A
Authority
BR
Brazil
Prior art keywords
foam
front face
sonic
film
variable voltage
Prior art date
Application number
BR9906785-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Elwood G Norris
James J Croft Iii
Original Assignee
American Tech Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by American Tech Corp filed Critical American Tech Corp
Publication of BR9906785A publication Critical patent/BR9906785A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
BR9906785-4A 1998-01-07 1999-01-07 Emissor sÈnico com estator de espuma BR9906785A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/004,090 US6304662B1 (en) 1998-01-07 1998-01-07 Sonic emitter with foam stator
PCT/US1999/000314 WO1999035884A1 (en) 1998-01-07 1999-01-07 Sonic emitter with foam stator

Publications (1)

Publication Number Publication Date
BR9906785A true BR9906785A (pt) 2000-10-17

Family

ID=21709084

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9906785-4A BR9906785A (pt) 1998-01-07 1999-01-07 Emissor sÈnico com estator de espuma

Country Status (9)

Country Link
US (1) US6304662B1 (https=)
EP (1) EP1077015A4 (https=)
JP (1) JP2002501359A (https=)
KR (1) KR100574711B1 (https=)
CN (1) CN1290468A (https=)
AU (1) AU762300B2 (https=)
BR (1) BR9906785A (https=)
CA (1) CA2317631A1 (https=)
WO (1) WO1999035884A1 (https=)

Families Citing this family (30)

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US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
AU5902099A (en) * 1998-09-24 2000-04-10 American Technology Corporation Parametric loudspeaker with electro-acoustical diaphragm transducer
US6850623B1 (en) 1999-10-29 2005-02-01 American Technology Corporation Parametric loudspeaker with improved phase characteristics
FI108204B (fi) * 1999-11-25 2001-11-30 Kari Johannes Kirjavainen Kalvo energioiden muuntamiseksi
US6526149B1 (en) * 2001-06-28 2003-02-25 Earthworks, Inc. System and method for reducing non linear electrical distortion in an electroacoustic device
WO2005043771A1 (en) 2003-10-23 2005-05-12 American Technology Corporation Method of adusting linear parameters of a parametric ultrasonic signal to reduce non-linearities in decoupled audio output waves and system including same
JP2005354473A (ja) * 2004-06-11 2005-12-22 Seiko Epson Corp 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
JP4069904B2 (ja) * 2004-06-21 2008-04-02 セイコーエプソン株式会社 超音波スピーカ、及びプロジェクタ
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
US7607512B2 (en) * 2005-08-23 2009-10-27 Ronald Paul Harwood Speaker assembly for a structural pole and a method for mounting same
RU2440693C2 (ru) * 2006-01-03 2012-01-20 Транспарент Саунд Текнолоджи БИ.ВИ.,NL Электростатические акустические системы и способы
JP4697007B2 (ja) * 2006-03-31 2011-06-08 ヤマハ株式会社 静電型スピーカ
JP4899590B2 (ja) * 2006-03-31 2012-03-21 ヤマハ株式会社 静電型スピーカ
US8670581B2 (en) 2006-04-14 2014-03-11 Murray R. Harman Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
US8184832B2 (en) * 2006-04-14 2012-05-22 Harman Murray R 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
JP2009272978A (ja) * 2008-05-09 2009-11-19 Nippon Hoso Kyokai <Nhk> フレキシブルスピーカ
JP2009278479A (ja) * 2008-05-16 2009-11-26 Foster Electric Co Ltd 静電型スピーカ
DE202011110857U1 (de) 2010-06-11 2016-11-25 Sanofi-Aventis Deutschland Gmbh Antriebsanordnung, Antriebskomponente und Arzneimittelabgabevorrichtung
CN103168480B (zh) 2010-06-14 2016-03-30 乌龟海岸公司 改善的参量信号处理和发射器系统及相关方法
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
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
US8718297B1 (en) * 2013-02-20 2014-05-06 Parametric Sound Corporation Parametric transducer 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
WO2019226958A1 (en) 2018-05-24 2019-11-28 The Research Foundation For The State University Of New York Capacitive sensor

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DE3731196A1 (de) 1987-09-17 1989-03-30 Messerschmitt Boelkow Blohm Frequenzselektiver schallwandler
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Also Published As

Publication number Publication date
KR20010033915A (ko) 2001-04-25
EP1077015A1 (en) 2001-02-21
AU762300B2 (en) 2003-06-19
JP2002501359A (ja) 2002-01-15
WO1999035884A1 (en) 1999-07-15
US6304662B1 (en) 2001-10-16
EP1077015A4 (en) 2006-04-19
KR100574711B1 (ko) 2006-04-28
CN1290468A (zh) 2001-04-04
AU2107099A (en) 1999-07-26
CA2317631A1 (en) 1999-07-15

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired