AU703198B2 - Inertial vibration transducers - Google Patents
Inertial vibration transducersInfo
- 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
Links
- 238000003462 Bender reaction Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 16
- 239000004033 plastic Substances 0.000 description 13
- 229920003023 plastic Polymers 0.000 description 13
- 239000011162 core material Substances 0.000 description 8
- 238000013016 damping Methods 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
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- 229920000271 Kevlar® Polymers 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000001413 cellular effect Effects 0.000 description 3
- 239000004761 kevlar Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 238000009432 framing Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000012858 resilient material Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 229920000106 Liquid crystal polymer Polymers 0.000 description 1
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- LDVVMCZRFWMZSG-UHFFFAOYSA-N captan Chemical compound C1C=CCC2C(=O)N(SC(Cl)(Cl)Cl)C(=O)C21 LDVVMCZRFWMZSG-UHFFFAOYSA-N 0.000 description 1
- -1 card Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011101 paper laminate Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H04R7/045—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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (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)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9517918 | 1995-09-02 | ||
| GBGB9517918.0A GB9517918D0 (en) | 1995-09-02 | 1995-09-02 | Acoustic device |
| 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 (20)
| Country | Link |
|---|---|
| EP (1) | EP0847677B1 (es) |
| JP (1) | JPH11512256A (es) |
| AT (1) | ATE179045T1 (es) |
| AU (1) | AU703198B2 (es) |
| BR (1) | BR9610428A (es) |
| CA (1) | CA2229857A1 (es) |
| CZ (1) | CZ57498A3 (es) |
| DE (1) | DE69602102T2 (es) |
| DK (1) | DK0847677T3 (es) |
| EA (1) | EA000858B1 (es) |
| ES (1) | ES2131958T3 (es) |
| HK (1) | HK1008638A1 (es) |
| HU (1) | HUP9901393A3 (es) |
| IL (1) | IL123374A (es) |
| NZ (1) | NZ316558A (es) |
| PL (1) | PL325246A1 (es) |
| RO (1) | RO119056B1 (es) |
| SK (1) | SK25598A3 (es) |
| TR (1) | TR199800365T1 (es) |
| WO (1) | WO1997009861A1 (es) |
Families Citing this family (38)
| 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 |
| CA2336072A1 (en) | 1998-06-22 | 1999-12-29 | Slab Technology Limited | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| 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 |
| 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 |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | 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 |
| DE102015104478B4 (de) * | 2015-03-25 | 2021-05-27 | Bruno Winter | Flachlautsprecher |
| EP3142385B1 (en) * | 2015-09-14 | 2020-01-08 | Vestel Elektronik Sanayi ve Ticaret A.S. | Sound reproducing display |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| CA3096877A1 (en) | 2018-04-11 | 2019-10-17 | 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 |
| DE102021133329A1 (de) | 2021-12-03 | 2023-06-07 | USound GmbH | MEMS-Schallwandler mit einer Dämpfungsschicht aus Klebstoff |
Citations (3)
| 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)
| 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 |
-
1996
- 1996-09-02 CZ CZ98574A patent/CZ57498A3/cs unknown
- 1996-09-02 WO PCT/GB1996/002160 patent/WO1997009861A1/en not_active Application Discontinuation
- 1996-09-02 EP EP96929401A patent/EP0847677B1/en not_active Expired - Lifetime
- 1996-09-02 BR BR9610428-7A patent/BR9610428A/pt not_active Application Discontinuation
- 1996-09-02 NZ NZ316558A patent/NZ316558A/xx unknown
- 1996-09-02 CA CA002229857A patent/CA2229857A1/en not_active Abandoned
- 1996-09-02 AU AU68816/96A patent/AU703198B2/en not_active Ceased
- 1996-09-02 AT AT96929401T patent/ATE179045T1/de not_active IP Right Cessation
- 1996-09-02 SK SK255-98A patent/SK25598A3/sk unknown
- 1996-09-02 ES ES96929401T patent/ES2131958T3/es not_active Expired - Lifetime
- 1996-09-02 EA EA199800254A patent/EA000858B1/ru not_active IP Right Cessation
- 1996-09-02 HU HU9901393A patent/HUP9901393A3/hu unknown
- 1996-09-02 TR TR1998/00365T patent/TR199800365T1/xx unknown
- 1996-09-02 RO RO98-00640A patent/RO119056B1/ro unknown
- 1996-09-02 JP JP9510961A patent/JPH11512256A/ja active Pending
- 1996-09-02 DE DE69602102T patent/DE69602102T2/de not_active Expired - Fee Related
- 1996-09-02 DK DK96929401T patent/DK0847677T3/da active
- 1996-09-02 IL IL12337496A patent/IL123374A/xx not_active IP Right Cessation
- 1996-09-02 PL PL96325246A patent/PL325246A1/xx unknown
-
1998
- 1998-07-28 HK HK98109440A patent/HK1008638A1/xx not_active IP Right Cessation
Patent Citations (3)
| 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 |
|---|---|
| HUP9901393A3 (en) | 2001-08-28 |
| RO119056B1 (ro) | 2004-02-27 |
| HUP9901393A2 (hu) | 1999-08-30 |
| NZ316558A (en) | 1998-10-28 |
| EA000858B1 (ru) | 2000-06-26 |
| EP0847677B1 (en) | 1999-04-14 |
| CZ57498A3 (cs) | 1998-07-15 |
| ATE179045T1 (de) | 1999-04-15 |
| ES2131958T3 (es) | 1999-08-01 |
| DE69602102D1 (de) | 1999-05-20 |
| JPH11512256A (ja) | 1999-10-19 |
| DE69602102T2 (de) | 1999-09-16 |
| IL123374A0 (en) | 1998-09-24 |
| IL123374A (en) | 2000-10-31 |
| HK1008638A1 (en) | 1999-05-14 |
| WO1997009861A1 (en) | 1997-03-13 |
| EP0847677A1 (en) | 1998-06-17 |
| CA2229857A1 (en) | 1997-03-13 |
| DK0847677T3 (da) | 1999-10-25 |
| AU6881696A (en) | 1997-03-27 |
| PL325246A1 (en) | 1998-07-06 |
| BR9610428A (pt) | 1999-12-21 |
| TR199800365T1 (xx) | 1998-05-21 |
| EA199800254A1 (ru) | 1998-10-29 |
| SK25598A3 (en) | 1998-10-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |