ATE307472T1 - Piezoelektrischer wandler - Google Patents

Piezoelektrischer wandler

Info

Publication number
ATE307472T1
ATE307472T1 AT96937877T AT96937877T ATE307472T1 AT E307472 T1 ATE307472 T1 AT E307472T1 AT 96937877 T AT96937877 T AT 96937877T AT 96937877 T AT96937877 T AT 96937877T AT E307472 T1 ATE307472 T1 AT E307472T1
Authority
AT
Austria
Prior art keywords
piezoelectric element
substrate
diaphragm
transducer
electric potential
Prior art date
Application number
AT96937877T
Other languages
English (en)
Inventor
Glenn E Warnaka
Mark E Warnaka
Original Assignee
New Transducers Ltd
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 New Transducers Ltd filed Critical New Transducers Ltd
Application granted granted Critical
Publication of ATE307472T1 publication Critical patent/ATE307472T1/de

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
    • H04R25/00—Electric hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
AT96937877T 1995-11-06 1996-11-04 Piezoelektrischer wandler ATE307472T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/554,049 US5838805A (en) 1995-11-06 1995-11-06 Piezoelectric transducers
PCT/US1996/017602 WO1997017820A1 (en) 1995-11-06 1996-11-04 Piezoelectric transducers

Publications (1)

Publication Number Publication Date
ATE307472T1 true ATE307472T1 (de) 2005-11-15

Family

ID=24211850

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96937877T ATE307472T1 (de) 1995-11-06 1996-11-04 Piezoelektrischer wandler

Country Status (11)

Country Link
US (2) US5838805A (de)
EP (1) EP0872158B1 (de)
JP (1) JP3383314B2 (de)
KR (1) KR100310349B1 (de)
AT (1) ATE307472T1 (de)
BR (1) BR9611417A (de)
CA (1) CA2235754C (de)
DE (1) DE69635308T2 (de)
ES (1) ES2249788T3 (de)
IN (1) IN192273B (de)
WO (1) WO1997017820A1 (de)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5732143A (en) 1992-10-29 1998-03-24 Andrea Electronics Corp. Noise cancellation apparatus
US6031926A (en) * 1996-09-02 2000-02-29 New Transducers Limited Panel-form loudspeakers
US6356641B1 (en) 1996-09-25 2002-03-12 New Transducers Limited Vehicular loudspeaker system
WO1998058416A1 (en) * 1997-06-19 1998-12-23 Nct Group, Inc. Loudspeaker assembly
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US6366675B1 (en) * 1999-05-21 2002-04-02 Kohji Toda Sound pressure detecting system
US6336368B1 (en) * 1999-09-10 2002-01-08 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for energy efficient tacking of resonant devices
US6438242B1 (en) * 1999-09-07 2002-08-20 The United States Of America As Represented By The Secretary Of The Navy Acoustic transducer panel
JP4136221B2 (ja) * 1999-09-09 2008-08-20 本田技研工業株式会社 スピーカ内蔵ヘルメットおよびヘルメット用スピーカ
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
CA2396260C (en) * 2000-01-07 2007-09-11 Lewis Athanas Mechanical-to-acoustical transformer and multi-media flat film speaker
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US6865277B2 (en) 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
US7151837B2 (en) * 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
DE10026474B4 (de) * 2000-05-27 2005-06-09 Sennheiser Electronic Gmbh & Co. Kg Wandler mit halbleitender Membran
BE1015150A3 (nl) * 2002-10-21 2004-10-05 Sonitron Nv Verbeterde transducent
US20090034776A1 (en) * 2004-08-06 2009-02-05 Koninklijke Philips Electronics, N.V. Panel-acoustic transducer comprising an actuator for actuating a panel, and sound-generating and/or recording device
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
KR100610181B1 (ko) 2004-10-27 2006-08-09 경북대학교 산학협력단 이식형 보청기에 구비되는 마이크로폰
GB0510484D0 (en) * 2005-05-24 2005-06-29 New Transducers Ltd Acoustic device
CA2610483A1 (en) * 2005-05-31 2006-12-07 Emo Labs, Inc. Diaphragm membrane and supporting structure responsive to environmental conditions
EP1938660A4 (de) * 2005-10-13 2014-03-26 Donnelly Corp Akustische fensterbaugruppe für ein fahrzeug
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US20100322455A1 (en) * 2007-11-21 2010-12-23 Emo Labs, Inc. Wireless loudspeaker
US8189851B2 (en) * 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
US20110044476A1 (en) * 2009-08-14 2011-02-24 Emo Labs, Inc. System to generate electrical signals for a loudspeaker
KR101889727B1 (ko) * 2011-08-08 2018-08-20 호쿠리쿠 덴키 고교 가부시키가이샤 압전 발음 소자
WO2014143723A2 (en) 2013-03-15 2014-09-18 Emo Labs, Inc. Acoustic transducers
DE102013105557B4 (de) * 2013-05-29 2015-06-11 Michael Förg Piezoelektrischer Aktor
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
EP3091821A1 (de) * 2015-05-08 2016-11-09 AT & S Austria Technologie & Systemtechnik Aktiengesellschaft Leiterplatte
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US11211043B2 (en) 2018-04-11 2021-12-28 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
KR102506301B1 (ko) * 2018-09-04 2023-03-07 카티르가마순다람 수리아쿠마르 음향 변환기와 관련 제작 및 패키징 기술

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3423543A (en) * 1965-06-24 1969-01-21 Harry W Kompanek Loudspeaker with piezoelectric wafer driving elements
JPS5781799A (en) * 1980-11-10 1982-05-21 Murata Mfg Co Ltd Piezo-electric speaker
JPS5799899A (en) * 1980-12-12 1982-06-21 Sanyo Electric Co Ltd Electro-acoustic converter
JPS57113697A (en) * 1981-01-05 1982-07-15 Murata Mfg Co Ltd Piezoelectric type speaker
US4401857A (en) * 1981-11-19 1983-08-30 Sanyo Electric Co., Ltd. Multiple speaker
JPS58123299A (ja) * 1982-01-19 1983-07-22 Matsushita Electric Ind Co Ltd 圧電スピ−カ
JPS5934800A (ja) * 1982-08-20 1984-02-25 Nippon Telegr & Teleph Corp <Ntt> 圧電形電気音響変換器
GB2166022A (en) * 1984-09-05 1986-04-23 Sawafuji Dynameca Co Ltd Piezoelectric vibrator
DE3609461A1 (de) * 1986-03-20 1987-09-24 Siemens Ag Elektroakustischer wandler
US4807294A (en) * 1986-06-20 1989-02-21 Mitubishi Petrochemical Co., Ltd. Piezoelectric and foam resin sheet speaker
KR880004711A (ko) * 1986-09-30 1988-06-07 임경춘 압전형 필름스피커의 스테레오 시스템
DE3731196A1 (de) * 1987-09-17 1989-03-30 Messerschmitt Boelkow Blohm Frequenzselektiver schallwandler
US4969197A (en) * 1988-06-10 1990-11-06 Murata Manufacturing Piezoelectric speaker
US5031222A (en) * 1988-07-22 1991-07-09 Murata Manufacturing Co., Ltd. Piezoelectric speaker
JPH02113799A (ja) * 1988-10-24 1990-04-25 Murata Mfg Co Ltd 圧電スピーカ
US4979219A (en) * 1989-03-14 1990-12-18 Lin Kuang Yao Piezoelectric speakers
JPH07108102B2 (ja) * 1990-05-01 1995-11-15 日本碍子株式会社 圧電／電歪膜型アクチュエータの製造方法
JPH04114600A (ja) * 1990-09-04 1992-04-15 Murata Mfg Co Ltd パネルスピーカ
JPH05111097A (ja) * 1991-10-15 1993-04-30 Murata Mfg Co Ltd 圧電発音体
US5196755A (en) * 1992-04-27 1993-03-23 Shields F Douglas Piezoelectric panel speaker
US5386479A (en) * 1992-11-23 1995-01-31 Hersh; Alan S. Piezoelectric sound sources
EP0620696A1 (de) * 1993-04-09 1994-10-19 Molex Incorporated Piezo-elektrischer akustischer Wandler
US5684884A (en) * 1994-05-31 1997-11-04 Hitachi Metals, Ltd. Piezoelectric loudspeaker and a method for manufacturing the same
US5805726A (en) * 1995-08-11 1998-09-08 Industrial Technology Research Institute Piezoelectric full-range loudspeaker

Also Published As

Publication number Publication date
EP0872158B1 (de) 2005-10-19
IN192273B (de) 2004-03-27
EP0872158A4 (de) 1999-08-18
EP0872158A1 (de) 1998-10-21
US5838805A (en) 1998-11-17
JP3383314B2 (ja) 2003-03-04
US6195440B1 (en) 2001-02-27
DE69635308T2 (de) 2006-07-20
BR9611417A (pt) 1999-02-23
DE69635308D1 (de) 2005-11-24
ES2249788T3 (es) 2006-04-01
KR19990064236A (ko) 1999-07-26
WO1997017820A1 (en) 1997-05-15
JPH11500294A (ja) 1999-01-06
CA2235754C (en) 2002-08-20
KR100310349B1 (ko) 2001-11-15
CA2235754A1 (en) 1997-05-15

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties