IN192273B - - Google Patents

Info

Publication number
IN192273B
IN192273B IN1868CA1996A IN192273B IN 192273 B IN192273 B IN 192273B IN 1868CA1996 A IN1868CA1996 A IN 1868CA1996A IN 192273 B IN192273 B IN 192273B
Authority
IN
India
Prior art keywords
piezoelectric element
substrate
diaphragm
transducer
electric potential
Prior art date
Application number
Other languages
English (en)
Inventor
Glenn E Warnaka
Mark E Warnaka
Original Assignee
Noise Cancellation Tech
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 Noise Cancellation Tech filed Critical Noise Cancellation Tech
Publication of IN192273B publication Critical patent/IN192273B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
IN1868CA1996 1995-11-06 1996-10-25 IN192273B (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/554,049 US5838805A (en) 1995-11-06 1995-11-06 Piezoelectric transducers

Publications (1)

Publication Number Publication Date
IN192273B true IN192273B (ja) 2004-03-27

Family

ID=24211850

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1868CA1996 IN192273B (ja) 1995-11-06 1996-10-25

Country Status (11)

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

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EP0990271A4 (en) * 1997-06-19 2005-08-10 New Transducers Ltd SPEAKER ARRANGEMENT
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
US6438242B1 (en) * 1999-09-07 2002-08-20 The United States Of America As Represented By The Secretary Of The Navy Acoustic transducer panel
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
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
WO2001052400A1 (en) * 2000-01-07 2001-07-19 Arthur D. Little Enterprises, Inc. Mechanical-to-acoustical transformer and multi-media flat film speaker
TW511391B (en) * 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US7151837B2 (en) * 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
US6865277B2 (en) 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
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
CN101002501A (zh) * 2004-08-06 2007-07-18 皇家飞利浦电子股份有限公司 包括用于起动面板的致动器的面板声学换能器与声音生成和/或记录装置
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 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
US10848118B2 (en) 2004-08-10 2020-11-24 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
EP1886362A2 (en) * 2005-05-31 2008-02-13 Unison Products Diaphragm membrane and supporting structure responsive to environmental conditions
WO2007047442A1 (en) * 2005-10-13 2007-04-26 Donnelly Corporation Acoustical window assembly for vehicle
US10069471B2 (en) 2006-02-07 2018-09-04 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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
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
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
US9398377B2 (en) * 2011-08-08 2016-07-19 Hokuriku Electric Industry Co., Ltd. Piezoelectric sound element
CN105228757A (zh) 2013-03-15 2016-01-06 埃莫实验室公司 具有弯曲限制部件的声换能器
DE102013105557B4 (de) * 2013-05-29 2015-06-11 Michael Förg Piezoelektrischer Aktor
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
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 (en) * 2015-05-08 2016-11-09 AT & S Austria Technologie & Systemtechnik Aktiengesellschaft Printed circuit board
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP2018537910A (ja) 2015-11-16 2018-12-20 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー 表面音響変換器
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护系统
US10959035B2 (en) 2018-08-02 2021-03-23 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
WO2020051225A1 (en) * 2018-09-04 2020-03-12 Kathirgamasundaram Sooriakumar Acoustic transducer and related fabrication and packaging techniques

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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
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GB2166022A (en) * 1984-09-05 1986-04-23 Sawafuji Dynameca Co Ltd Piezoelectric vibrator
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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
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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
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Also Published As

Publication number Publication date
ATE307472T1 (de) 2005-11-15
DE69635308D1 (de) 2005-11-24
EP0872158A4 (en) 1999-08-18
JPH11500294A (ja) 1999-01-06
US5838805A (en) 1998-11-17
EP0872158A1 (en) 1998-10-21
BR9611417A (pt) 1999-02-23
ES2249788T3 (es) 2006-04-01
EP0872158B1 (en) 2005-10-19
US6195440B1 (en) 2001-02-27
JP3383314B2 (ja) 2003-03-04
KR19990064236A (ko) 1999-07-26
CA2235754A1 (en) 1997-05-15
WO1997017820A1 (en) 1997-05-15
CA2235754C (en) 2002-08-20
KR100310349B1 (ko) 2001-11-15
DE69635308T2 (de) 2006-07-20

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