CA2317631A1 - Sonic emitter with foam stator - Google Patents

Sonic emitter with foam stator Download PDF

Info

Publication number
CA2317631A1
CA2317631A1 CA002317631A CA2317631A CA2317631A1 CA 2317631 A1 CA2317631 A1 CA 2317631A1 CA 002317631 A CA002317631 A CA 002317631A CA 2317631 A CA2317631 A CA 2317631A CA 2317631 A1 CA2317631 A1 CA 2317631A1
Authority
CA
Canada
Prior art keywords
forward face
film
foam member
electrostatic
variable voltage
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
CA002317631A
Other languages
English (en)
French (fr)
Inventor
Elwood G. Norris
James J. Croft, Iii
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Genasys Inc
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2317631A1 publication Critical patent/CA2317631A1/en
Abandoned legal-status Critical Current

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)
CA002317631A 1998-01-07 1999-01-07 Sonic emitter with foam stator Abandoned CA2317631A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/004,090 1998-01-07
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
CA2317631A1 true CA2317631A1 (en) 1999-07-15

Family

ID=21709084

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002317631A Abandoned CA2317631A1 (en) 1998-01-07 1999-01-07 Sonic emitter with foam stator

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=)

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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
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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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US5859915A (en) * 1997-04-30 1999-01-12 American Technology Corporation Lighted enhanced bullhorn

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
BR9906785A (pt) 2000-10-17
EP1077015A4 (en) 2006-04-19
KR100574711B1 (ko) 2006-04-28
CN1290468A (zh) 2001-04-04
AU2107099A (en) 1999-07-26

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Legal Events

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EEER Examination request
FZDE Dead