SK26198A3 - Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements - Google Patents
Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements Download PDFInfo
- Publication number
- SK26198A3 SK26198A3 SK261-98A SK26198A SK26198A3 SK 26198 A3 SK26198 A3 SK 26198A3 SK 26198 A SK26198 A SK 26198A SK 26198 A3 SK26198 A3 SK 26198A3
- Authority
- SK
- Slovakia
- Prior art keywords
- panel
- loudspeaker
- passenger compartment
- region
- transducer
- Prior art date
Links
- 238000005452 bending Methods 0.000 claims description 9
- 230000005855 radiation Effects 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 16
- 239000011162 core material Substances 0.000 description 12
- 239000004033 plastic Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 9
- 238000013016 damping Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000005284 excitation Effects 0.000 description 5
- 239000000123 paper Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 229920000271 Kevlar® Polymers 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000004761 kevlar Substances 0.000 description 3
- 235000014101 wine Nutrition 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000784 Nomex Polymers 0.000 description 2
- 239000004964 aerogel Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000004763 nomex Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 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
- 229920000049 Carbon (fiber) 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
- 239000005041 Mylar™ Substances 0.000 description 1
- 239000004830 Super Glue 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
- 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
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000002657 fibrous material 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
- 238000001746 injection moulding Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000007974 melamines Chemical class 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- 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
- 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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Stereophonic Arrangements (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9517918.0A GB9517918D0 (en) | 1995-09-02 | 1995-09-02 | Acoustic device |
| GBGB9522281.6A GB9522281D0 (en) | 1995-10-31 | 1995-10-31 | Acoustic device |
| GBGB9606836.6A GB9606836D0 (en) | 1996-03-30 | 1996-03-30 | Acoustic device |
| PCT/GB1996/002157 WO1997009844A1 (en) | 1995-09-02 | 1996-09-02 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SK26198A3 true SK26198A3 (en) | 1998-09-09 |
Family
ID=34865244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SK261-98A SK26198A3 (en) | 1995-09-02 | 1996-09-02 | Passenger vehicles incorporating loudspeakers comprising panel-form acoustic radiating elements |
Country Status (21)
| Country | Link |
|---|---|
| EP (1) | EP0847663B1 (xx) |
| JP (1) | JP4342609B2 (xx) |
| CN (1) | CN1195455A (xx) |
| AT (1) | ATE177577T1 (xx) |
| AU (1) | AU705592B2 (xx) |
| BR (1) | BR9610427A (xx) |
| CA (1) | CA2230155A1 (xx) |
| CZ (1) | CZ58098A3 (xx) |
| DE (1) | DE69601726T2 (xx) |
| DK (1) | DK0847663T3 (xx) |
| EA (1) | EA002738B1 (xx) |
| ES (1) | ES2131408T3 (xx) |
| HK (1) | HK1008642A1 (xx) |
| HU (1) | HUP9903873A3 (xx) |
| IL (1) | IL123482A (xx) |
| NZ (1) | NZ316555A (xx) |
| PL (1) | PL325236A1 (xx) |
| RO (1) | RO119041B1 (xx) |
| SK (1) | SK26198A3 (xx) |
| TR (1) | TR199800370T1 (xx) |
| WO (1) | WO1997009844A1 (xx) |
Families Citing this family (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000057689A (ko) * | 1996-12-20 | 2000-09-25 | 제프리 씨. 제이틀린 | 진동 패널들을 구비한 전기 음향 변환기 |
| IL134749A0 (en) | 1997-09-03 | 2001-04-30 | New Transducers Ltd | Trim panel comprising an integral acoustic system |
| US6278790B1 (en) | 1997-11-11 | 2001-08-21 | Nct Group, Inc. | Electroacoustic transducers comprising vibrating panels |
| CA2336072A1 (en) | 1998-06-22 | 1999-12-29 | Slab Technology Limited | Loudspeakers |
| DE19903393A1 (de) * | 1999-01-29 | 2000-08-10 | Harman Audio Electronic Sys | Kraftfahrzeug mit elektroakustischer Anlage |
| DE19943874B4 (de) * | 1999-09-14 | 2005-12-01 | Brose Fahrzeugteile Gmbh & Co. Kg, Coburg | Soundsystem auf Basis eines Biegewellenschwingers für ein Kraftfahrzeug |
| TW511391B (en) | 2000-01-24 | 2002-11-21 | New Transducers Ltd | Transducer |
| US6865277B2 (en) | 2000-01-27 | 2005-03-08 | New Transducers Limited | Passenger vehicle |
| US7151837B2 (en) | 2000-01-27 | 2006-12-19 | New Transducers Limited | Loudspeaker |
| DE10030746B4 (de) * | 2000-06-23 | 2008-11-20 | Lisa Dräxlmaier GmbH | Innenverkleidungsteil für Fahrzeuge und verfahren zur Herstellung desselben |
| 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 |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | 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 |
| 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 |
| WO2008088598A2 (en) * | 2006-10-16 | 2008-07-24 | Magna Aftermarket Inc. | Vibration attenuation panel with loudspeaker |
| US8189851B2 (en) | 2009-03-06 | 2012-05-29 | Emo Labs, Inc. | Optically clear diaphragm for an acoustic transducer and method for making same |
| DE102011084168B4 (de) | 2011-10-07 | 2020-07-09 | Röchling Automotive AG & Co. KG | Biegewellenlautsprecher, Kraftfahrzeug mit Biegewellenlautsprecher, und Verwendung eines Biegewellenlautsprechers |
| GB2504691B (en) * | 2012-08-06 | 2015-01-28 | Jaguar Land Rover Ltd | Audio apparatus and method |
| JP2016516358A (ja) | 2013-03-15 | 2016-06-02 | イモ ラブス， インコーポレイテッド | 屈曲制限部材を有する音響変換器 |
| 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 |
| 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 |
| USD748072S1 (en) | 2014-03-14 | 2016-01-26 | Emo Labs, Inc. | Sound bar audio speaker |
| 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 |
| FR3021268A1 (fr) * | 2014-05-20 | 2015-11-27 | Peugeot Citroen Automobiles Sa | Vitrage de vehicule automobile dans lequel est integre un haut-parleur |
| 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 |
| US9725047B2 (en) * | 2015-06-22 | 2017-08-08 | Ford Global Technologies, Llc | Loudspeaker arrangement in a vehicle |
| DE102015217778B4 (de) * | 2015-09-17 | 2019-05-29 | Robert Bosch Gmbh | Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler |
| 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 |
| DE102019210296B4 (de) * | 2019-07-11 | 2021-08-12 | Continental Engineering Services Gmbh | Vorrichtung zur Schallerzeugung und deren Herstellung und Verwendung |
| US11357332B2 (en) * | 2020-08-11 | 2022-06-14 | Samuelson Group Inc. | Furniture with integrated acoustical system |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3247925A (en) * | 1962-03-08 | 1966-04-26 | Lord Corp | Loudspeaker |
| DE2819615A1 (de) * | 1978-05-05 | 1979-11-08 | Messerschmitt Boelkow Blohm | Verfahren zur erzielung gleichmaessiger schallverteilungseigenschaften |
| EP0054945B1 (en) * | 1980-12-19 | 1985-10-30 | Nissan Motor Co., Ltd. | Speaker for automotive vehicle audio system |
| JPS6033147A (ja) * | 1983-07-30 | 1985-02-20 | Nissan Motor Co Ltd | 車両用音響装置の保護構造 |
| KR920002929Y1 (ko) * | 1990-02-17 | 1992-05-08 | 이정기 | 스피커 |
| 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 AT AT96929398T patent/ATE177577T1/de not_active IP Right Cessation
- 1996-09-02 CN CN96196700A patent/CN1195455A/zh active Pending
- 1996-09-02 AU AU68813/96A patent/AU705592B2/en not_active Ceased
- 1996-09-02 SK SK261-98A patent/SK26198A3/sk unknown
- 1996-09-02 NZ NZ316555A patent/NZ316555A/en unknown
- 1996-09-02 IL IL12348296A patent/IL123482A/xx not_active IP Right Cessation
- 1996-09-02 ES ES96929398T patent/ES2131408T3/es not_active Expired - Lifetime
- 1996-09-02 BR BR9610427A patent/BR9610427A/pt not_active IP Right Cessation
- 1996-09-02 TR TR1998/00370T patent/TR199800370T1/xx unknown
- 1996-09-02 EP EP96929398A patent/EP0847663B1/en not_active Expired - Lifetime
- 1996-09-02 RO RO98-00635A patent/RO119041B1/ro unknown
- 1996-09-02 JP JP51095897A patent/JP4342609B2/ja not_active Expired - Fee Related
- 1996-09-02 CZ CZ98580A patent/CZ58098A3/cs unknown
- 1996-09-02 PL PL96325236A patent/PL325236A1/xx unknown
- 1996-09-02 EA EA199800256A patent/EA002738B1/ru not_active IP Right Cessation
- 1996-09-02 DK DK96929398T patent/DK0847663T3/da active
- 1996-09-02 DE DE69601726T patent/DE69601726T2/de not_active Expired - Lifetime
- 1996-09-02 CA CA002230155A patent/CA2230155A1/en not_active Abandoned
- 1996-09-02 HU HU9903873A patent/HUP9903873A3/hu unknown
- 1996-09-02 WO PCT/GB1996/002157 patent/WO1997009844A1/en not_active Application Discontinuation
-
1998
- 1998-07-28 HK HK98109446A patent/HK1008642A1/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| ES2131408T3 (es) | 1999-07-16 |
| IL123482A0 (en) | 1998-09-24 |
| HUP9903873A3 (en) | 2002-09-30 |
| DE69601726D1 (de) | 1999-04-15 |
| EP0847663A1 (en) | 1998-06-17 |
| CN1195455A (zh) | 1998-10-07 |
| EA002738B1 (ru) | 2002-08-29 |
| HUP9903873A2 (hu) | 2000-03-28 |
| IL123482A (en) | 2000-10-31 |
| AU6881396A (en) | 1997-03-27 |
| ATE177577T1 (de) | 1999-03-15 |
| TR199800370T1 (xx) | 1998-05-21 |
| EP0847663B1 (en) | 1999-03-10 |
| AU705592B2 (en) | 1999-05-27 |
| BR9610427A (pt) | 1999-06-29 |
| RO119041B1 (ro) | 2004-02-27 |
| EA199800256A1 (ru) | 1998-08-27 |
| HK1008642A1 (en) | 1999-05-14 |
| CZ58098A3 (cs) | 1998-07-15 |
| DK0847663T3 (da) | 1999-09-27 |
| CA2230155A1 (en) | 1997-03-13 |
| JP4342609B2 (ja) | 2009-10-14 |
| JPH11513210A (ja) | 1999-11-09 |
| DE69601726T2 (de) | 1999-09-16 |
| PL325236A1 (en) | 1998-07-06 |
| NZ316555A (en) | 1998-05-27 |
| WO1997009844A1 (en) | 1997-03-13 |
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