AU703198B2 - Inertial vibration transducers - Google Patents

Inertial vibration transducers

Info

Publication number
AU703198B2
AU703198B2 AU68816/96A AU6881696A AU703198B2 AU 703198 B2 AU703198 B2 AU 703198B2 AU 68816/96 A AU68816/96 A AU 68816/96A AU 6881696 A AU6881696 A AU 6881696A AU 703198 B2 AU703198 B2 AU 703198B2
Authority
AU
Australia
Prior art keywords
bender
panel
mass
inertial vibration
vibration transducer
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.)
Ceased
Application number
AU68816/96A
Other languages
English (en)
Other versions
AU6881696A (en
Inventor
Henry Azima
Martin Colloms
Neil Harris
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.)
NVF Tech Ltd
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
Priority claimed from GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of AU6881696A publication Critical patent/AU6881696A/en
Application granted granted Critical
Publication of AU703198B2 publication Critical patent/AU703198B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Surgical Instruments (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Thermistors And Varistors (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
AU68816/96A 1995-09-02 1996-09-02 Inertial vibration transducers Ceased AU703198B2 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9517918 1995-09-02
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GB9522281 1995-10-31
GB9606836 1996-03-30
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
PCT/GB1996/002160 WO1997009861A1 (en) 1995-09-02 1996-09-02 Inertial vibration transducers

Publications (2)

Publication Number Publication Date
AU6881696A AU6881696A (en) 1997-03-27
AU703198B2 true AU703198B2 (en) 1999-03-18

Family

ID=34865247

Family Applications (1)

Application Number Title Priority Date Filing Date
AU68816/96A Ceased AU703198B2 (en) 1995-09-02 1996-09-02 Inertial vibration transducers

Country Status (19)

Country Link
EP (1) EP0847677B1 (de)
JP (1) JPH11512256A (de)
AT (1) ATE179045T1 (de)
AU (1) AU703198B2 (de)
BR (1) BR9610428A (de)
CA (1) CA2229857A1 (de)
CZ (1) CZ57498A3 (de)
DE (1) DE69602102T2 (de)
DK (1) DK0847677T3 (de)
EA (1) EA000858B1 (de)
ES (1) ES2131958T3 (de)
HU (1) HUP9901393A3 (de)
IL (1) IL123374A (de)
NZ (1) NZ316558A (de)
PL (1) PL325246A1 (de)
RO (1) RO119056B1 (de)
SK (1) SK25598A3 (de)
TR (1) TR199800365T1 (de)
WO (1) WO1997009861A1 (de)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9807316D0 (en) * 1998-04-07 1998-06-03 New Transducers Ltd Loudspeaker
US6324294B1 (en) 1996-09-03 2001-11-27 New Transducers Limited Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements
GB9705979D0 (en) * 1997-03-22 1997-05-07 New Transducers Ltd Passenger vehicles
GB9709438D0 (en) * 1997-05-10 1997-07-02 New Transducers Ltd Loudspeaker transducer
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
DE19757097B4 (de) * 1997-12-20 2004-04-15 Harman Audio Electronic Systems Gmbh Schallwiedergabeanordnung
DE19821862A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Schallwiedergabeanordnung
DE19821860A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Treiber für flaches Klangpaneel
GB2351868B (en) 1998-06-22 2001-08-29 Slab Technology Ltd Loudspeakers
DE19843079A1 (de) * 1998-09-19 2000-03-23 Nokia Deutschland Gmbh Multiresonanzplatte
US6304435B1 (en) 1998-11-12 2001-10-16 Acer Incorporated Laptop computer with flat panel speakers
GB0211508D0 (en) * 2002-05-20 2002-06-26 New Transducers Ltd Transducer
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
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
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
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
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
GB0710378D0 (en) * 2007-05-31 2007-07-11 New Transducers Ltd Audio apparatus
DE102009048866A1 (de) 2009-08-27 2011-03-03 Bösnecker, Robert, Dr. Akustisches Antriebselement mit Mittenloch
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
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
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
DE102015104478B4 (de) * 2015-03-25 2021-05-27 Bruno Winter Flachlautsprecher
EP3142385B1 (de) * 2015-09-14 2020-01-08 Vestel Elektronik Sanayi ve Ticaret A.S. Tonwiedergabeanzeige
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
JP2021521700A (ja) 2018-04-11 2021-08-26 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 オーディオ強化聴力保護システム
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
DE102021133329A1 (de) 2021-12-03 2023-06-07 USound GmbH MEMS-Schallwandler mit einer Dämpfungsschicht aus Klebstoff
CN116233710A (zh) 2021-12-03 2023-06-06 悠声股份有限公司 具有由胶粘剂制成的阻尼层的mems音频转换器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347335A (en) * 1965-04-05 1967-10-17 Bolt Beranek & Newman Acoustic-wave apparatus
FR2569931A1 (fr) * 1984-09-05 1986-03-07 Sawafuji Dynameca Co Ltd Elements piezoelectriques vibrants et transducteurs piezoelectriques electroacoustiques utilisant de tels elements
GB2219712A (en) * 1988-06-10 1989-12-13 Murata Manufacturing Co Piezolectric speaker

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593271A (en) * 1976-09-21 1981-07-15 Standard Telephones Cables Ltd Electro-acoustic transducers
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
US5031222A (en) * 1988-07-22 1991-07-09 Murata Manufacturing Co., Ltd. Piezoelectric speaker
WO1992003024A1 (en) * 1990-08-04 1992-02-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Panel-form loudspeaker

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347335A (en) * 1965-04-05 1967-10-17 Bolt Beranek & Newman Acoustic-wave apparatus
FR2569931A1 (fr) * 1984-09-05 1986-03-07 Sawafuji Dynameca Co Ltd Elements piezoelectriques vibrants et transducteurs piezoelectriques electroacoustiques utilisant de tels elements
GB2219712A (en) * 1988-06-10 1989-12-13 Murata Manufacturing Co Piezolectric speaker

Also Published As

Publication number Publication date
PL325246A1 (en) 1998-07-06
ATE179045T1 (de) 1999-04-15
IL123374A0 (en) 1998-09-24
HUP9901393A3 (en) 2001-08-28
WO1997009861A1 (en) 1997-03-13
BR9610428A (pt) 1999-12-21
DE69602102D1 (de) 1999-05-20
HK1008638A1 (en) 1999-05-14
CZ57498A3 (cs) 1998-07-15
EP0847677A1 (de) 1998-06-17
TR199800365T1 (xx) 1998-05-21
CA2229857A1 (en) 1997-03-13
EA000858B1 (ru) 2000-06-26
NZ316558A (en) 1998-10-28
ES2131958T3 (es) 1999-08-01
EP0847677B1 (de) 1999-04-14
JPH11512256A (ja) 1999-10-19
DE69602102T2 (de) 1999-09-16
DK0847677T3 (da) 1999-10-25
RO119056B1 (ro) 2004-02-27
EA199800254A1 (ru) 1998-10-29
HUP9901393A2 (hu) 1999-08-30
SK25598A3 (en) 1998-10-07
AU6881696A (en) 1997-03-27
IL123374A (en) 2000-10-31

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired