CA2229857A1 - Transducteur inertiel de vibrations - Google Patents
Transducteur inertiel de vibrations Download PDFInfo
- Publication number
- CA2229857A1 CA2229857A1 CA002229857A CA2229857A CA2229857A1 CA 2229857 A1 CA2229857 A1 CA 2229857A1 CA 002229857 A CA002229857 A CA 002229857A CA 2229857 A CA2229857 A CA 2229857A CA 2229857 A1 CA2229857 A1 CA 2229857A1
- Authority
- CA
- Canada
- Prior art keywords
- transducer
- bender
- panel
- area
- sites
- 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
Links
- 238000005452 bending Methods 0.000 claims description 10
- 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
- 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
- 239000000123 paper Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 241000264877 Hippospongia communis Species 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000001413 cellular effect Effects 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
- 238000003462 Bender reaction Methods 0.000 description 2
- 229920000271 Kevlar® Polymers 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
- 239000004761 kevlar 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
- 230000005484 gravity Effects 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)
Abstract
Transducteur inertiel de vibrations (9) caractérisé par un dispositif de coudage piézoélectrique (27) en forme de plaque et un dispositif (20, 93) permettant de monter le dispositif de coudage sur un élément (2) devant être vibré, le dispositif étant tel qu'une partie substantielle du dispositif de coudage est situé à distance de l'élément de sorte qu'elle puisse se déplacer relativement à celui-ci.
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9517918.0A GB9517918D0 (en) | 1995-09-02 | 1995-09-02 | Acoustic device |
GB9517918.0 | 1995-09-02 | ||
GBGB9522281.6A GB9522281D0 (en) | 1995-10-31 | 1995-10-31 | Acoustic device |
GB9522281.6 | 1995-10-31 | ||
GBGB9606836.6A GB9606836D0 (en) | 1996-03-30 | 1996-03-30 | Acoustic device |
GB9606836.6 | 1996-03-30 | ||
PCT/GB1996/002160 WO1997009861A1 (fr) | 1995-09-02 | 1996-09-02 | Transducteur inertiel de vibrations |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2229857A1 true CA2229857A1 (fr) | 1997-03-13 |
Family
ID=34865247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002229857A Abandoned CA2229857A1 (fr) | 1995-09-02 | 1996-09-02 | Transducteur inertiel de vibrations |
Country Status (20)
Country | Link |
---|---|
EP (1) | EP0847677B1 (fr) |
JP (1) | JPH11512256A (fr) |
AT (1) | ATE179045T1 (fr) |
AU (1) | AU703198B2 (fr) |
BR (1) | BR9610428A (fr) |
CA (1) | CA2229857A1 (fr) |
CZ (1) | CZ57498A3 (fr) |
DE (1) | DE69602102T2 (fr) |
DK (1) | DK0847677T3 (fr) |
EA (1) | EA000858B1 (fr) |
ES (1) | ES2131958T3 (fr) |
HK (1) | HK1008638A1 (fr) |
HU (1) | HUP9901393A3 (fr) |
IL (1) | IL123374A (fr) |
NZ (1) | NZ316558A (fr) |
PL (1) | PL325246A1 (fr) |
RO (1) | RO119056B1 (fr) |
SK (1) | SK25598A3 (fr) |
TR (1) | TR199800365T1 (fr) |
WO (1) | WO1997009861A1 (fr) |
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 |
ATE303051T1 (de) | 1998-06-22 | 2005-09-15 | Slab Technology Ltd | Lautsprecher |
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 |
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 |
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 |
US10069471B2 (en) | 2006-02-07 | 2018-09-04 | 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 |
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 |
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 |
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 |
US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
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 |
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 (fr) | 2015-09-14 | 2020-01-08 | Vestel Elektronik Sanayi ve Ticaret A.S. | Affichage de reproduction sonore |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
WO2017087495A1 (fr) | 2015-11-16 | 2017-05-26 | Bongiovi Acoustics Llc | Transducteur acoustique de surface |
US11211043B2 (en) | 2018-04-11 | 2021-12-28 | Bongiovi Acoustics Llc | Audio enhanced hearing protection system |
WO2020028833A1 (fr) | 2018-08-02 | 2020-02-06 | Bongiovi Acoustics Llc | Système, procédé et appareil pour générer et traiter numériquement une fonction de transfert audio liée à la tête |
DE102021133329A1 (de) | 2021-12-03 | 2023-06-07 | USound GmbH | MEMS-Schallwandler mit einer Dämpfungsschicht aus Klebstoff |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1132593B (de) * | 1965-04-05 | 1962-07-05 | Bolt Beranek & Newman | Akustisch wirksame Platte, insbesondere zur Ankopplung an einen elektroakustischen Wandler |
GB1593271A (en) * | 1976-09-21 | 1981-07-15 | Standard Telephones Cables Ltd | Electro-acoustic transducers |
GB2166022A (en) * | 1984-09-05 | 1986-04-23 | Sawafuji Dynameca Co Ltd | Piezoelectric vibrator |
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 |
US5031222A (en) * | 1988-07-22 | 1991-07-09 | Murata Manufacturing Co., Ltd. | Piezoelectric speaker |
WO1992003024A1 (fr) * | 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 | Haut-parleur sous forme de panneau |
-
1996
- 1996-09-02 RO RO98-00640A patent/RO119056B1/ro unknown
- 1996-09-02 JP JP9510961A patent/JPH11512256A/ja active Pending
- 1996-09-02 IL IL12337496A patent/IL123374A/xx not_active IP Right Cessation
- 1996-09-02 TR TR1998/00365T patent/TR199800365T1/xx unknown
- 1996-09-02 WO PCT/GB1996/002160 patent/WO1997009861A1/fr not_active Application Discontinuation
- 1996-09-02 HU HU9901393A patent/HUP9901393A3/hu unknown
- 1996-09-02 EP EP96929401A patent/EP0847677B1/fr not_active Expired - Lifetime
- 1996-09-02 BR BR9610428-7A patent/BR9610428A/pt not_active Application Discontinuation
- 1996-09-02 PL PL96325246A patent/PL325246A1/xx unknown
- 1996-09-02 NZ NZ316558A patent/NZ316558A/xx unknown
- 1996-09-02 EA EA199800254A patent/EA000858B1/ru not_active IP Right Cessation
- 1996-09-02 AT AT96929401T patent/ATE179045T1/de not_active IP Right Cessation
- 1996-09-02 DE DE69602102T patent/DE69602102T2/de not_active Expired - Fee Related
- 1996-09-02 CA CA002229857A patent/CA2229857A1/fr not_active Abandoned
- 1996-09-02 ES ES96929401T patent/ES2131958T3/es not_active Expired - Lifetime
- 1996-09-02 AU AU68816/96A patent/AU703198B2/en not_active Ceased
- 1996-09-02 SK SK255-98A patent/SK25598A3/sk unknown
- 1996-09-02 DK DK96929401T patent/DK0847677T3/da active
- 1996-09-02 CZ CZ98574A patent/CZ57498A3/cs unknown
-
1998
- 1998-07-28 HK HK98109440A patent/HK1008638A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ES2131958T3 (es) | 1999-08-01 |
BR9610428A (pt) | 1999-12-21 |
AU6881696A (en) | 1997-03-27 |
EA199800254A1 (ru) | 1998-10-29 |
RO119056B1 (ro) | 2004-02-27 |
CZ57498A3 (cs) | 1998-07-15 |
DE69602102T2 (de) | 1999-09-16 |
IL123374A (en) | 2000-10-31 |
PL325246A1 (en) | 1998-07-06 |
AU703198B2 (en) | 1999-03-18 |
DK0847677T3 (da) | 1999-10-25 |
HUP9901393A3 (en) | 2001-08-28 |
EP0847677B1 (fr) | 1999-04-14 |
HK1008638A1 (en) | 1999-05-14 |
IL123374A0 (en) | 1998-09-24 |
DE69602102D1 (de) | 1999-05-20 |
HUP9901393A2 (hu) | 1999-08-30 |
JPH11512256A (ja) | 1999-10-19 |
SK25598A3 (en) | 1998-10-07 |
WO1997009861A1 (fr) | 1997-03-13 |
EP0847677A1 (fr) | 1998-06-17 |
NZ316558A (en) | 1998-10-28 |
TR199800365T1 (xx) | 1998-05-21 |
EA000858B1 (ru) | 2000-06-26 |
ATE179045T1 (de) | 1999-04-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |