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AU4955697A - Electroacoustic transducers comprising vibrating panels - Google Patents

Electroacoustic transducers comprising vibrating panels

Info

Publication number
AU4955697A
AU4955697A AU49556/97A AU4955697A AU4955697A AU 4955697 A AU4955697 A AU 4955697A AU 49556/97 A AU49556/97 A AU 49556/97A AU 4955697 A AU4955697 A AU 4955697A AU 4955697 A AU4955697 A AU 4955697A
Authority
AU
Australia
Prior art keywords
electroacoustic transducers
vibrating panels
vibrating
panels
electroacoustic
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
AU49556/97A
Inventor
Gillian Margaret Davis
Thomas Lundie
Anthony Malcolm Mcdonald
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.)
Noise Cancellation Technologies Inc
Original Assignee
Noise Cancellation Technologies Inc
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
Priority claimed from GBGB9626439.5A external-priority patent/GB9626439D0/en
Priority claimed from GBGB9700336.2A external-priority patent/GB9700336D0/en
Application filed by Noise Cancellation Technologies Inc filed Critical Noise Cancellation Technologies Inc
Publication of AU4955697A publication Critical patent/AU4955697A/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; 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AU49556/97A 1996-12-20 1997-11-11 Electroacoustic transducers comprising vibrating panels Abandoned AU4955697A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9626439.5A GB9626439D0 (en) 1996-12-20 1996-12-20 A multiple panel electroacoustic transducer
GB9626439 1996-12-20
GB9700336 1997-01-09
GBGB9700336.2A GB9700336D0 (en) 1997-01-09 1997-01-09 Panel mounting arrangement for an electroacoustic transducer
PCT/GB1997/003090 WO1998028942A1 (en) 1996-12-20 1997-11-11 Electroacoustic transducers comprising vibrating panels

Publications (1)

Publication Number Publication Date
AU4955697A true AU4955697A (en) 1998-07-17

Family

ID=26310687

Family Applications (1)

Application Number Title Priority Date Filing Date
AU49556/97A Abandoned AU4955697A (en) 1996-12-20 1997-11-11 Electroacoustic transducers comprising vibrating panels

Country Status (6)

Country Link
EP (1) EP0953275A1 (en)
JP (1) JP2001507186A (en)
KR (1) KR20000057689A (en)
AU (1) AU4955697A (en)
CA (1) CA2273025A1 (en)
WO (1) WO1998028942A1 (en)

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DE69930188T2 (en) 1998-11-05 2006-12-07 Matsushita Electric Industrial Co., Ltd., Kadoma Piezoelectric speaker, method of making it, and speaker system with this speaker
GB9826164D0 (en) * 1998-11-30 1999-01-20 New Transducers Ltd Acoustic devices
GB9826325D0 (en) * 1998-12-02 1999-01-20 New Transducers Ltd Subwoofer loudspeaker
EP1299940B1 (en) * 2000-01-07 2013-03-27 Emo Labs, Inc. Mechanical-to-acoustical transformer and multi-media flat film speaker
GB0018997D0 (en) * 2000-08-03 2000-09-20 New Transducers Ltd Bending wave loudspeaker
JP2002159917A (en) * 2000-11-22 2002-06-04 Terumo Kogyo:Kk Vibration generator
EP1229760B1 (en) 2001-01-22 2005-12-28 Matsushita Electric Industrial Co., Ltd. Speaker system
KR100662801B1 (en) * 2001-05-11 2007-01-02 친타진 Panel Speakers in Composite Laminates
KR100435850B1 (en) * 2001-12-11 2004-06-10 타이 얀 캄 Panel form loudspeaker
US11431312B2 (en) 2004-08-10 2022-08-30 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
US10158337B2 (en) 2004-08-10 2018-12-18 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
KR100609914B1 (en) 2004-10-22 2006-08-09 삼성전자주식회사 Flat panel audio output and video / audio output
KR100633064B1 (en) 2004-10-28 2006-10-11 삼성전자주식회사 Flat sound output device and video / sound output device
US8199959B2 (en) 2005-04-22 2012-06-12 Sharp Kabushiki Kaisha Card-type device and method for manufacturing same
WO2006130782A2 (en) 2005-05-31 2006-12-07 Unison Products Diaphragm membrane and supporting structure responsive to environmental conditions
KR100739845B1 (en) * 2005-09-01 2007-07-18 황경환 Flatbed hybrid speakers
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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
JP2011228794A (en) * 2010-04-15 2011-11-10 Nec Corp Electro-acoustic transducer
JP5761192B2 (en) * 2010-07-23 2015-08-12 日本電気株式会社 Oscillator and electronic device
KR20120080882A (en) * 2011-01-10 2012-07-18 삼성전자주식회사 Acoustic transducer and method of driving the same
US9100752B2 (en) 2013-03-15 2015-08-04 Emo Labs, Inc. Acoustic transducers with bend limiting member
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
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
US9763014B2 (en) * 2014-02-21 2017-09-12 Harman International Industries, Incorporated Loudspeaker with piezoelectric elements
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
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
RU2664667C2 (en) * 2017-02-21 2018-08-21 Владимир Борисович Комиссаренко Electro-acoustic transducer with damping of radiating membrane
KR102373433B1 (en) 2017-04-29 2022-03-10 엘지디스플레이 주식회사 Display apparatus
US10681471B2 (en) * 2017-12-22 2020-06-09 Google Llc Two-dimensional distributed mode actuator
WO2019200119A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
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
JP2020155917A (en) * 2019-03-20 2020-09-24 ヤマハ株式会社 Speaker and instrument case
CN113365192A (en) * 2020-03-06 2021-09-07 华为技术有限公司 Piezoelectric speaker and electronic apparatus

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JPS5748153Y2 (en) * 1977-11-26 1982-10-22
JPS5656095A (en) * 1979-10-12 1981-05-16 Hitachi Ltd Plane loudspeaker
JPS587999A (en) * 1981-07-06 1983-01-17 Murata Mfg Co Ltd Piezoelectric speaker
US4899390A (en) * 1986-09-19 1990-02-06 Matsushita Electric Industrial Co., Ltd. Thin speaker having an enclosure within an open portion and a closed portion
US4751419A (en) * 1986-12-10 1988-06-14 Nitto Incorporated Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member
US4969197A (en) * 1988-06-10 1990-11-06 Murata Manufacturing Piezoelectric speaker
US4997058A (en) * 1989-10-02 1991-03-05 Bertagni Jose J Sound transducer
US5081683A (en) * 1989-12-11 1992-01-14 Torgeson W Lee Loudspeakers
NL1000275C2 (en) * 1995-05-02 1996-11-05 Hollandse Signaalapparaten Bv Acoustic vibration generator.
DK0847665T3 (en) * 1995-09-02 1999-10-25 New Transducers Ltd Panel-shaped speakers
RO119041B1 (en) * 1995-09-02 2004-02-27 Verityágroupáplc Vehicle and vehicle accessory

Also Published As

Publication number Publication date
CA2273025A1 (en) 1998-07-02
WO1998028942A1 (en) 1998-07-02
JP2001507186A (en) 2001-05-29
EP0953275A1 (en) 1999-11-03
KR20000057689A (en) 2000-09-25

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