CN1271508A - Resonant mode panel-loudspeakers - Google Patents
Resonant mode panel-loudspeakers Download PDFInfo
- Publication number
- CN1271508A CN1271508A CN98809523A CN98809523A CN1271508A CN 1271508 A CN1271508 A CN 1271508A CN 98809523 A CN98809523 A CN 98809523A CN 98809523 A CN98809523 A CN 98809523A CN 1271508 A CN1271508 A CN 1271508A
- Authority
- CN
- China
- Prior art keywords
- plate
- panel
- loudspeakers
- resonant mode
- bearing apparatus
- 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.)
- Pending
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
A resonant panel-form loudspeaker characterised by suspension means located in at least one panel region of low average velocity. A method of making a resonant panel acoustic device characterised by locating at least one panel region of low average velocity and positioning suspension means within the said region(s). The method may comprise delineating an acoustically active area of a larger panel, e.g. a motor vehicle decorative trim panel, by grooving or slotting the panel in panel regions of low average velocity.
Description
The present invention relates to a kind of loud speaker and especially relate to a kind of panel-form loudspeakers, this type loud speaker is suitable for by emission bending wave to a resonant panel and makes its resonance produce the loud speaker of output.This loud speaker is described in applicant's International Patent Application WO 97/09842, and is referred to as distributed mode loudspeaker.
In traditional piston type loud speaker, a motion film is generally a cone, and is in place on a framework or chassis by at least one flexure member fixing, and formation elasticity is outstanding holds.Should the outstanding mode of holding have following function at least, that is: 1. positions in the framework of an assembly comprise this film and a vibrator, and this vibrator system usually comprises a moving-coil motor; 2. film is moved along axis direction, but the restriction film move along the direction of vertical this axis; Reaching 3. selections by thin-film material provides the damping to a certain degree of this vibration of thin membrane with processing.
These demands are satisfied by a flexible waveform molded components usually, are also referred to as the fluctuation periphery sometimes, and this member is made by the material of rubber like usually, and is connected between membrane periphery limit and the framework on every side; And a waveform flexure member, being sometimes referred to as the speaker support circle, this bracing ring is connected between film apex region and the framework.Though often do not use, separate outstanding commonsense method system of holding member with two and can produce gratifying aforementioned three functions.In traditional coil-moving speaker, the outstanding vibration characteristics that can cause unwanted resonance when being disposed at other positions and upset film of holding.
An object of the present invention is, a kind of outstanding bearing apparatus is provided, it is suitable for the demand of resonant mode panel-loudspeakers.In resonant mode panel-loudspeakers, find that several regions has harmonic(-)mean speed because of the plate inherent characteristic in the plate, and infer can or near these position configuration one outstanding bearing apparatus of this plate, mean in this regional low velocity, over all, this outstanding bearing apparatus is not to the vibration characteristics of this plate almost or have no effect.
According to an aspect of the present invention, provide a kind of resonant mode panel-loudspeakers, this loud speaker comprises outstanding bearing apparatus, is disposed in the plate zone of one or more harmonic(-)mean speed.This outstanding bearing apparatus can be used to hang in one supports and holds this plate and/or support a vibration and oscillation device on this plate.
This braced system comprises the zone that centers on of this plate, should be the sound dead space around the zone.This resonant mode panel-loudspeakers can comprise a plate, and this plate has the zone of action and around the harmonic(-)mean speed plate zone of this zone of action, the line of rabbet joint in plate structure or groove define the zone of action.The line of rabbet joint or groove only part pass this plate structure.
The notion of using the plate low energy area to make this plate itself or the mechanical support that oscillator is used on this plate can expand to and comprises the otch that uses the line of rabbet joint or run through this plate, purpose with the region deviding that reaches the desirable sound zone of action, and the usefulness of confession distribution pattern operation, or have desirable acoustic vibration behavior at least, or be the part of big board component.For example, the fluting seam is the distribution pattern oscillating plate of design permission production wide range as a whole, generates the automobile decoration panel with arbitrary shape.The line of rabbet joint can be the Any shape that is fit to required vibration in the frequency range.Finite element analysis (FEA) technology can be conveniently to shown in line of rabbet joint boundary shape and finished product geometry design rapidly and analyze.
Be, can use stronger outstanding fixed bearing element, in outstanding advantage of holding the low vibrational energy in the zone so can increase the durability of finished product assembly than other possibility modes.
One flexible outstanding holding can be passed through septum, and the finger-type cantilever type member that makes it to form with the plate one forms.Cutting can comprise the pair of parallel line of rabbet joint by plate structure.The cantilever type member can be straight or other shapes, as bending.When considering to make outstanding making the vibration and oscillation device time spent, straight cantilever type member is best, because of it is easy to cross over distance between the high active region that harmonic(-)mean velocity band and oscillator be coupled to the plate place.Outstanding holding can comprise one group of this cantilever type member.Therefore, the cantilever type member that plate can cut into keeps rigidity in the plate face, and is flexible in the plane of framework of support plate etc.Another kind of mode or additionally, the independent flexible of rubber type of material is outstanding to be held in the described harmonic(-)mean velocity band that is fixed to plate by sticker etc.Except cantilever also uses under the outstanding situation of holding of rubber-like, this rubber is outstanding to be held and can be installed on the cantilever.
Resonant mode panel-loudspeakers can comprise the acoustical radiator of a distribution pattern, as a class that is defined in the International Patent Application WO 97/09842.
Another object of the present invention is a decoration panel, as is used for automobile or like that, and aforesaid loud speaker wherein is housed.
Another aspect of the present invention is a motor vehicle, as automobile, comprising aforesaid loud speaker or decoration panel.
Another aspect of the present invention is a method of making the resonant mode panel acoustical generator, it is characterized in that outstanding the taking up of at least one plate regional location and location of finding out harmonic(-)mean speed places this zone.
This method comprises by the location with the surround sound zone of action, plate zone of harmonic(-)mean speed, defines the sound zone of action of a plate, cuts the plate in this zone then and forms the outstanding bearing apparatus of plate.This method can comprise by plate structure fluting seam mode and defines the zone of action.Line of rabbet joint system only part by the structure of plate.
When outstanding bearing apparatus desire supports a vibration and oscillation device, this method further comprises finds out required Board position, as antinode, be used for installing the vibration and oscillation device driving this plate, and find out the nodal region of the activation point of the outstanding bearing apparatus of this oscillator of one or more neighbor configuration.
This method can comprise that the material that cuts this plate defines cantilever and should hang bearing apparatus to form.Should outstanding bearing apparatus be outstanding bearing apparatus with at least three cantilevers.
The present invention is illustrated in the accompanying drawings by way of example.Wherein,
Fig. 1 is from the sectional view of partial resonance panel-form loudspeakers intercepting and shows the outstanding bearing apparatus of using for a vibration and oscillation device;
Fig. 2 is the small scale flat sheet of the bottom view of resonance loudspeaker panel shown in Figure 1;
Fig. 3 is the resonance loudspeaker panel flat sheet of the bottom view of the outstanding bearing apparatus example of three vibration and oscillation devices of explanation;
Fig. 4 is the plane graph that the plate of a resonant mode panel-loudspeakers is housed;
Fig. 5 is the amplification partial plan layout of details among Fig. 4 " A "; And
Fig. 6 and Fig. 7 are another partial sections at Fig. 5 center line A-A place.
In the accompanying drawings, consult Fig. 1 and Fig. 2 especially, show the resonant mode panel-loudspeakers 14 of type as describing in the International Patent Application WO 97/09842.This loud speaker comprises a rectangle resonance flat board 1 roughly, this flat board with rigidity but lightweight material make, form acoustical radiator; And an inertial oscillation oscillator 4, be installed on the plate 1, to induce the bending wave in plate, make its resonance and produce output.Plate system can be one-piece construction, but comprises cellular-core 2 as shown in the figure, is clipped between the two relative top layers 3.
The assembly that comprises magnet 5, the utmost point 6 and 7 is installed on the plate 1, with after this coil is by a signal excitation, be connected on the collar flange 8 that cup shell 6 is given prominence to and comprising three uniformly-spaced outstanding holding of flexibility of rubber blanket 9 for it, coil/bobbin assembly 13 is made the usefulness of axial-movement relatively, and only one of them pad is found in Fig. 1.Be installed on the finger-type cantilever 10 and fill up 9, this cantilever is by cutting out U-shape groove 11 and form around hole 12 and with this hole is concentric with equi-spaced apart in the plate district of harmonic(-)mean speed, as clearly shown in Figure 2, so the inner 16 of this cantilever becomes the free end that the plane work of relative plate 1 moves both vertically.
Pad 9 is connected near cantilever 10 free ends 16 parts.Should be appreciated that in case of necessity, pad 9 can omit, and magnet assembly 5,6,7 can be installed on directly on the cantilever 10.
Fig. 3 shows for the outstanding various different cantilever examples of a vibration and oscillation device on plate 1 that hold.These examples comprise: a single straight finger-type cantilever 10, and this cantilever is defined by as shown in Figures 1 and 2 the U-shape line of rabbet joint or an otch 11; One cantilever 17 that defines by spiral slot 18; And an elasticity is outstanding holds, and comprises that one is defined in the cantilever member 19 of 20 of a pair of relative arc lines of rabbet joint and has a circular middle body 21 and a pair of relative ledge 22, and its end is connected to this plate, and this magnet system system is connected in the middle position 23 of part 21.
Fig. 4 to Fig. 7 discloses the example of the resonant mode panel-loudspeakers 14 of aforementioned general type, has a resonant panel 1 that forms big plate 24 parts, for example, can be the decorative panel of motor vehicle such as automobile.In this example, loud speaker 14 has a rectangle resonant panel 1 that defines with the groove or the line of rabbet joint 25 in big plate 24, this plate 1 utilizes outstanding cantilever 27 outstanding the holding among plate 24 of holding, and this cantilever 27 is that the line of rabbet joint 26 that is disposed by opposing parallel defines, and strides across the line of rabbet joint 25 around harmonic(-)mean speed plate 1 zone.Each side of plate 1 disposes a cantilever.Vibration and oscillation device 4 can hold as described above or so that required mode is outstanding.As shown in Figure 6, the line of rabbet joint 25 is only partly by plate 1.As shown in the figure, the line of rabbet joint 25 passes through the core body 2 of upper epidermis 3 and plate 1, and retains the top layer, to cover this line of rabbet joint.Another kind of mode as shown in Figure 7 is that the line of rabbet joint 25 can run through plate 1 fully.
Be applied to automobile decoration plate and similar decorating structure about the present invention, this line of rabbet joint can constitute at the manufacturing initial stage, and as cutting with laser or water-jet, this line of rabbet joint only needs wide to enough making this vibration component have the degree in stable space.In practice, the width of 1mm or 2mm is promptly enough usually.The width of outstanding bearing assembly depends on reasonably keeps the required cantilever effective length of whole assembly, plate intensity and linear rigidity and the accelerative force in this zone.4 to 25mm value proves the effective width of cantilever.
Another advantage system considers its durability under horizontal accelerative force.One slot width that is rather narrow makes plate with the surface configuration safer ground connection of adhesive bond to flexible outstanding bearing assembly.In the latter, this outstanding bearing apparatus is the damage in the time of bearing dismounting.
To requiring between forward and backward plate surface the width of cloth to penetrate under the situation of separation, bigger plate can be used as the usefulness of buffer board when sound disposes, and usually by partial structurtes, as door lock striker plate or some framework or support and strengthen.Application in a building, this structural slab is strengthened by the design of house or building.Between front and rear panel, sound can be ignored through the leakage of narrow slit.Should slowly leak the spuious noise that helps behind plate to the plate and isolate, this point is important in some applications.
Relevant automobile decoration plate is made the later stage and is considered that stacked one lightweight soft the decoration is distributed on the soft cellular polyurethane sponge of skim.This structure can spread on this line of rabbet joint, and can significantly not destroy operating principle.For the user, just can't see this line of rabbet joint.The further trickle improvement of isolates sound can be obtained from sponge and cloth applies the limited acoustic resistance of covering the line of rabbet joint.
Configuration advantage as shown in the figure is as follows: 1. outstanding hold can with the plate identical materials, thereby with low cost; 2. outstanding holding can be positioned at plate thickness or thickness only increases very little; 3. can find the outstanding position of holding of a plurality of these classes, with the outstanding relatively-stationary part of holding in the vibration and oscillation device of plate, and/or outstanding this plate that holds is on a framework or other supports; And the calculating of 4. simple cantilever/beams can provide required compliance value immediately.
Claims (19)
1. a resonant mode panel-loudspeakers is characterized by outstanding bearing apparatus and is configured in the plate zone of at least one harmonic(-)mean speed.
2. resonant mode panel-loudspeakers according to claim 1, it is characterized by outstanding bearing apparatus is that this plate structure forms at least one and this plate structure all-in-one-piece cantilever member constitutes by cutting.
3. resonant mode panel-loudspeakers according to claim 2 is characterized by this cutting and comprises a pair of parallel line of rabbet joint by this plate structure.
4. according to claim 2 or 3 described resonant mode panel-loudspeakers, it is characterized by this outstanding bearing apparatus and comprise a row cantilever member.
5. according to each described resonant mode panel-loudspeakers of claim 2 to 4, it is characterized by this cantilever member and keep the rigidity in this plate face and in face, generate flexibility perpendicular to this panel.
6. according to any one described resonant mode panel-loudspeakers in the aforementioned claim, outstanding the holding that it is characterized by a flexibility is fixed on this plate.
7. according to based on the described resonant mode panel-loudspeakers of the claim 6 of any one in the claim 2 to 5, it is characterized by the outstanding bearing apparatus of this flexibility and be fixed on this cantilever member.
8. according to any one described resonant mode panel-loudspeakers in the aforementioned claim, it is characterized by a distributed acoustical radiator.
9. according to any one described resonant mode panel-loudspeakers in the aforementioned claim, it is characterized by this plate and comprise that the active region reaches the harmonic(-)mean velocity band around this active region, the line of rabbet joint in this plate or groove define active region.
10. resonant mode panel-loudspeakers according to claim 9 is characterized by this line of rabbet joint or groove and only partly passes through plate structure.
11. a decoration panel is characterized by and has according to claim 9 or 10 described resonant mode panel-loudspeakers.
12. a motor vehicle is characterized by and has decoration panel according to claim 11.
13. a method of making the resonant mode panel acoustic device is characterized by plate zone and the location of finding out at least one harmonic(-)mean speed and hangs bearing apparatus in this zone.
14. method according to claim 13 is characterized by the sound active region of defining plate by the surround sound active region, plate zone that makes harmonic(-)mean speed, the plate structure of cutting then in this zone forms outstanding bearing apparatus.
15., it is characterized by the sound active region of defining this plate by the mode of plate structure fluting seam according to based on the claim 13 of claim 11 or 14 method.
16. method according to claim 15, the line of rabbet joint that it is characterized by formation is only partly by this plate structure.
17., it is characterized by in the mode of cutting this material and define cantilever member and form outstanding bearing apparatus according to each described method in the claim 13 to 16.
18. according to each described method in the claim 13 to 17, it is characterized by and form the outstanding bearing apparatus of a vibration and oscillation device, comprise and find out a required plate activation point, drive this plate for this vibration and oscillation device of coupling to this plate, and find out the harmonic(-)mean velocity band that a place or many places neighbor configuration have the activation point of the outstanding bearing apparatus of oscillator.
19., it is characterized by and form outstanding bearing apparatus with at least three cantilever members according to any one described method in the claim 11 to 16.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9722079.2A GB9722079D0 (en) | 1997-10-21 | 1997-10-21 | Loudspeaker suspension |
GB9722079.2 | 1997-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1271508A true CN1271508A (en) | 2000-10-25 |
Family
ID=10820766
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN98809523A Pending CN1271508A (en) | 1997-10-21 | 1998-10-16 | Resonant mode panel-loudspeakers |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP1036484B1 (en) |
JP (1) | JP2001521353A (en) |
KR (1) | KR20010031264A (en) |
CN (1) | CN1271508A (en) |
AT (1) | ATE266301T1 (en) |
AU (1) | AU9548498A (en) |
BR (1) | BR9812949A (en) |
CA (1) | CA2303789A1 (en) |
DE (1) | DE69823695D1 (en) |
GB (1) | GB9722079D0 (en) |
HK (1) | HK1027251A1 (en) |
IL (1) | IL135677A0 (en) |
TW (1) | TW410526B (en) |
WO (1) | WO1999021397A1 (en) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
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GB0025125D0 (en) * | 2000-10-13 | 2000-11-29 | New Transducers Ltd | Loudspeaker driver |
US7548854B2 (en) | 2002-01-31 | 2009-06-16 | Awi Licensing Company | Architectural sound enhancement with pre-filtered masking sound |
US6983819B2 (en) | 2002-04-02 | 2006-01-10 | Awi Licensing Company | Entertainment sound panels |
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 |
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US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
JP4565991B2 (en) * | 2004-12-24 | 2010-10-20 | 富士通テン株式会社 | Speaker device using vehicle interior plate as diaphragm and interior plate |
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 |
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 |
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 |
JP4946272B2 (en) * | 2006-08-30 | 2012-06-06 | 日本電気株式会社 | Electroacoustic transducer and transmitter for sonar equipped with the electroacoustic transducer |
JP4967725B2 (en) * | 2007-03-12 | 2012-07-04 | ヤマハ株式会社 | Array speaker and speaker device |
WO2010137988A1 (en) * | 2009-05-29 | 2010-12-02 | Leiv Eiriksson Nyskapning As | Loudspeaker arrangement |
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 |
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 |
DE102015105330A1 (en) * | 2015-04-08 | 2016-10-13 | Ujet Vehicles S.À.R.L. | Battery assembly and scooter with a battery assembly |
US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
JP2018537910A (en) | 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 | Surface acoustic transducer |
US11211043B2 (en) | 2018-04-11 | 2021-12-28 | 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 |
KR102215716B1 (en) * | 2019-10-21 | 2021-02-18 | 삼원액트 주식회사 | Panel with sound reproduction |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
UA51671C2 (en) * | 1995-09-02 | 2002-12-16 | Нью Транзд'Юсез Лімітед | Acoustic device |
EP0847659B1 (en) * | 1995-09-02 | 1999-03-10 | New Transducers Limited | Loudspeakers comprising panel-form acoustic radiating elements |
-
1997
- 1997-10-21 GB GBGB9722079.2A patent/GB9722079D0/en not_active Ceased
-
1998
- 1998-10-16 WO PCT/GB1998/003131 patent/WO1999021397A1/en active IP Right Grant
- 1998-10-16 AT AT98949102T patent/ATE266301T1/en not_active IP Right Cessation
- 1998-10-16 IL IL13567798A patent/IL135677A0/en unknown
- 1998-10-16 CN CN98809523A patent/CN1271508A/en active Pending
- 1998-10-16 BR BR9812949-0A patent/BR9812949A/en not_active IP Right Cessation
- 1998-10-16 AU AU95484/98A patent/AU9548498A/en not_active Abandoned
- 1998-10-16 CA CA002303789A patent/CA2303789A1/en not_active Abandoned
- 1998-10-16 KR KR1020007004251A patent/KR20010031264A/en not_active Application Discontinuation
- 1998-10-16 DE DE69823695T patent/DE69823695D1/en not_active Expired - Lifetime
- 1998-10-16 EP EP98949102A patent/EP1036484B1/en not_active Expired - Lifetime
- 1998-10-16 JP JP2000517579A patent/JP2001521353A/en active Pending
- 1998-10-28 TW TW087117887A patent/TW410526B/en not_active IP Right Cessation
-
2000
- 2000-09-28 HK HK00106173A patent/HK1027251A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2303789A1 (en) | 1999-04-29 |
EP1036484A1 (en) | 2000-09-20 |
AU9548498A (en) | 1999-05-10 |
HK1027251A1 (en) | 2001-01-05 |
IL135677A0 (en) | 2001-05-20 |
TW410526B (en) | 2000-11-01 |
BR9812949A (en) | 2000-08-08 |
EP1036484B1 (en) | 2004-05-06 |
DE69823695D1 (en) | 2004-06-09 |
GB9722079D0 (en) | 1997-12-17 |
ATE266301T1 (en) | 2004-05-15 |
WO1999021397A1 (en) | 1999-04-29 |
JP2001521353A (en) | 2001-11-06 |
KR20010031264A (en) | 2001-04-16 |
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