KR100574711B1 - 스피커 장치 및 음파 에너지 전파 방법 - Google Patents

스피커 장치 및 음파 에너지 전파 방법 Download PDF

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Publication number
KR100574711B1
KR100574711B1 KR1020007007494A KR20007007494A KR100574711B1 KR 100574711 B1 KR100574711 B1 KR 100574711B1 KR 1020007007494 A KR1020007007494 A KR 1020007007494A KR 20007007494 A KR20007007494 A KR 20007007494A KR 100574711 B1 KR100574711 B1 KR 100574711B1
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South Korea
Prior art keywords
front face
film
ultrasonic
emitter
electrostatic
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Expired - Fee Related
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KR1020007007494A
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Korean (ko)
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KR20010033915A (ko
Inventor
엘우드지. 노리스
제임스제이. 3세 크로프트
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어메리컨 테크놀로지 코포레이션
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers

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  • 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)
KR1020007007494A 1998-01-07 1999-01-07 스피커 장치 및 음파 에너지 전파 방법 Expired - Fee Related KR100574711B1 (ko)

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
US09/004,090 1998-01-07

Publications (2)

Publication Number Publication Date
KR20010033915A KR20010033915A (ko) 2001-04-25
KR100574711B1 true KR100574711B1 (ko) 2006-04-28

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ID=21709084

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020007007494A Expired - Fee Related KR100574711B1 (ko) 1998-01-07 1999-01-07 스피커 장치 및 음파 에너지 전파 방법

Country Status (9)

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

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US20020076069A1 (en) * 1998-01-07 2002-06-20 American Technology Corporation Sonic emitter with foam stator
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
AU5902099A (en) * 1998-09-24 2000-04-10 American Technology Corporation Parametric loudspeaker with electro-acoustical diaphragm transducer
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
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
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
JP4899590B2 (ja) * 2006-03-31 2012-03-21 ヤマハ株式会社 静電型スピーカ
JP4697007B2 (ja) * 2006-03-31 2011-06-08 ヤマハ株式会社 静電型スピーカ
CA2844996C (en) * 2006-04-14 2016-03-08 Murray R. Harman Electrostatic loudspeaker capable of dispersing sound both horizontally and vertically
US8670581B2 (en) 2006-04-14 2014-03-11 Murray R. Harman 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
JP5825737B2 (ja) 2010-06-14 2015-12-02 パラメトリック サウンド コーポレーション パラメトリック信号処理・放射システムおよびその関連方法
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
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
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
CN112334867B (zh) 2018-05-24 2025-11-11 纽约州立大学研究基金会 电容传感器

Citations (1)

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Publication number Priority date Publication date Assignee Title
US3787642A (en) * 1971-09-27 1974-01-22 Gte Automatic Electric Lab Inc Electrostatic transducer having resilient electrode

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US4160882A (en) 1978-03-13 1979-07-10 Driver Michael L Double diaphragm electrostatic transducer each diaphragm comprising two plastic sheets having different charge carrying characteristics
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US4429193A (en) * 1981-11-20 1984-01-31 Bell Telephone Laboratories, Incorporated Electret transducer with variable effective air gap
US4434327A (en) * 1981-11-20 1984-02-28 Bell Telephone Laboratories, Incorporated Electret transducer with variable actual air gap
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US4550228A (en) 1983-02-22 1985-10-29 Apogee Acoustics, Inc. Ribbon speaker system
JPS60190100A (ja) 1984-03-09 1985-09-27 Murata Mfg Co Ltd 圧電スピ−カ
US5054081B1 (en) 1985-04-02 1994-06-28 Roger A West Electrostatic transducer with improved bass response utilizing distributed bass resonance energy
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US4803733A (en) 1986-12-16 1989-02-07 Carver R W Loudspeaker diaphragm mounting system and method
DE3731196A1 (de) 1987-09-17 1989-03-30 Messerschmitt Boelkow Blohm Frequenzselektiver schallwandler
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DE4140961A1 (de) * 1991-12-12 1993-06-17 Bosch Gmbh Robert Elektrohydraulisches aggregat, insbesondere elektrokraftstoffpumpe fuer kraftfahrzeuge
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Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3787642A (en) * 1971-09-27 1974-01-22 Gte Automatic Electric Lab Inc Electrostatic transducer having resilient electrode

Also Published As

Publication number Publication date
AU762300B2 (en) 2003-06-19
CN1290468A (zh) 2001-04-04
EP1077015A4 (en) 2006-04-19
JP2002501359A (ja) 2002-01-15
CA2317631A1 (en) 1999-07-15
AU2107099A (en) 1999-07-26
WO1999035884A1 (en) 1999-07-15
EP1077015A1 (en) 2001-02-21
US6304662B1 (en) 2001-10-16
KR20010033915A (ko) 2001-04-25
BR9906785A (pt) 2000-10-17

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