EP1301918A1 - Instrument de musique a anches libres - Google Patents
Instrument de musique a anches libresInfo
- Publication number
- EP1301918A1 EP1301918A1 EP01949576A EP01949576A EP1301918A1 EP 1301918 A1 EP1301918 A1 EP 1301918A1 EP 01949576 A EP01949576 A EP 01949576A EP 01949576 A EP01949576 A EP 01949576A EP 1301918 A1 EP1301918 A1 EP 1301918A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- box
- reed
- opening
- exhaust
- intake
- 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.)
- Granted
Links
- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract description 111
- 244000089486 Phragmites australis subsp australis Species 0.000 title abstract 2
- 244000273256 Phragmites communis Species 0.000 claims description 30
- 230000005465 channeling Effects 0.000 claims description 17
- 230000004048 modification Effects 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 2
- 210000004072 lung Anatomy 0.000 claims description 2
- 230000002441 reversible effect Effects 0.000 claims description 2
- 230000001131 transforming effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D11/00—Accordions, concertinas or the like; Keyboards therefor
Definitions
- the present invention relates to the technical field of wind instruments, known as "free reeds", such as, for example, harmonicas and accordions. These instruments are said to have free reeds as opposed to wind instruments with a pinched reed, such as the clarinet or instruments of the saxophone family whose reed, at the origin of the sound emitted, is plucked at a mouthpiece between the musician's lips.
- a free reed instrument generally comprises a body which encloses a box spring comprising a series of cells defining as many air circulation channels.
- the body of the instrument also includes means for channeling, towards the cell, the air blown directly or indirectly by the musician.
- Each reed of the instrument is arranged in relation to a cell in which is inspired or driven back a flow of air soliciting in vibration the reed which then emits a sound.
- the same reed can be solicited only by one direction of circulation of the air flow, so that, for the same note, it is necessary to provide two reeds, one solicited by the flow of the other, solicited by the repressed or expired flow.
- Each flow corresponds, in the case of an accordion for example, to the filling of the bellows or to the emptying of the latter.
- Document DE 104 584 proposed a musical instrument with free reeds which are vibrated by an air flow generated by a reserve of variable capacity.
- This instrument comprises means for channeling the air flow adapted so that the air flow circulates at each reed always in the same direction, independently of the direction of circulation of the flow.
- These channeling means comprise an intake box open to at least one reed and connected, on the one hand, to the air reserve by an opening controlled by a non-return valve oriented to prevent any circulation of air by the opening from the intake box and, on the other hand, to the outside environment by an opening controlled by a non-return valve oriented to prevent any circulation of air through the opening from the intake box.
- These channeling means also include an exhaust box open to at least one reed and connected, on the one hand, to the reserve by an opening controlled by a non-return valve oriented to prevent any circulation of air by the opening to the exhaust box and, on the other hand, to the outside environment by an opening controlled by a non-return valve oriented to prevent any circulation of air through the opening towards the exhaust box.
- the instrument also includes a mechanism controlled by the musician and adapted to actuate, when opening or closing, shutters each mounted on the support of a reed, with a view to requesting or not the reeds by the air flow.
- the object of the invention therefore aims to remedy the drawbacks stated above by proposing a musical instrument each of the reeds of which can be acted on both by a suction flow and by an expiration flow, this musical instrument offering a rapid and precise response to the various requests of the musician, with a view to obtaining a faithful reproduction of his playing, as well as a fair, regular and balanced sound of the reeds.
- the invention relates to a musical instrument with free reeds solicited in vibration by an air flow generated by a reserve of variable capacity and capable of circulating from the reserve in two directions called, respectively, suction and expiration, the instrument comprising:
- the channeling means comprising : - an intake box open to at least one reed and connected:
- the instrument comprises, for at least one reed solicited by the air flow always in the same direction, an intake box and an exhaust box which are connected by a channel at the level of which the reed is arranged,
- the non-return valves of each intake box are coupled so that, when one of the valves is open, the other valve is closed, and vice versa,
- the non-return valves of each exhaust box are coupled so that, when one of the valves is open, the other valve is closed, and vice versa,
- At least one shutter is mounted for, in a first position, closing at least one opening of an intake or exhaust caisson and for, in a second position, leave said opening free,
- the instrument comprises means for preventing the circulation of air between the openings of the intake and exhaust boxes when the associated shutter is in the closed position
- the instrument comprises means for modifying the opening and closing positions of at least some of the pairs of non-return valves of the exhaust boxes, this modification of position depending on the direction of circulation of the air flow from of the reserve.
- the invention also relates to an accordion comprising means for channeling the air flow according to the invention and the reserve of variable capacity of which comprises a bellows.
- the invention also relates to a harmonica comprising channeling means according to the invention and for which the reserve of variable capacity is constituted by the lungs of the user of the harmonica.
- FIG. 1 is a schematic view, in longitudinal section, of an accordion implementing the known principle of solicitation of a reed both by the exhalation flow and the suction flow.
- Figs. 2 and 3 are two schematic views of a cell or engraving of a box spring equipping the accordion according to FIG. 1.
- Fig. 4 is a view, similar to FIG. 1, showing an operating phase of the accordion.
- Figs. 5 to 8 illustrate various operating positions of an instrument according to the invention.
- Fig. 9 is a view of an alternative embodiment of a musical instrument according to the invention.
- Fig. 10 is a section through a cell of a box spring according to the invention comprising means for tuning the free reed.
- Fig. 11 is a schematic section showing means for the optical conversion of the vibrations of a free reed into an electrical signal.
- Figs. 12 to 14 show different alternative embodiments of an optoelectronic device for converting the vibration movements of a free reed into an electrical signal.
- Fig. 1 illustrates an accordion, designated as a whole by the reference 1 comprising a series of reeds, each of which alone ensures the emission of a note.
- this is only a preferred, but not exclusive, application of the invention which is capable of being implemented for any other type of wind instrument comprising free reeds, such as, for example, example, a harmonica.
- the accordion 1 comprises two half-bodies 2 and 3, connected in a substantially leaktight manner by a bellows 4 which defines a reserve 5, of variable capacity, depending on the relative position of the two half-bodies 2 and 3 .
- Each half-body 2, 3 comprises at least one bed base 10 which has a series of engravings or cells which each form an air circulation channel in relation to which a free reed is arranged.
- Figs. 2 and 3 show an exemplary embodiment of a cell 11, in relation to which a free reed 12 is arranged. It clearly appears that the cell 11 forms a channel inside which the circulation of air is controlled by a valve 13 whose opening and closing is controlled by a mechanism, not shown, in relation to a keyboard operated by the user of the accordion.
- the valve 13 is commanded to open, as illustrated in FIG. 3, the free reed 12 is capable of being vibrated only if the air flow circulates in the direction of the arrow Fi.
- the accordion 1 comprises means 15 for channeling the air flow, adapted so that the solicitation flow circulates at each reed, always in the same direction Fi, independently of the direction of circulation of the flow from the reserve 5.
- the accordion 1 comprises such means 15 for channeling the air flow in relation to each of the two half-bodies 2 and 3.
- the channeling means 15 comprise a box 16, said to be intake or upstream with respect to the direction of circulation Fi of the solicitation flow at the level of at least one reed 12.
- the box 16 is open towards the reeds of the bed base 10 to which it is preferably connected in a substantially leaktight manner.
- the intake box 16 is connected, on the one hand, to the reserve 5 by at least one opening 17 controlled by a non-return valve 18 oriented to prevent any circulation of air through the opening 17 from the box d admission 16 to reserve 5.
- the box 16 is connected by a single opening 17 to the reserve 5.
- the intake box 16 is, on the other hand, connected by at least one opening 19 to the external environment E.
- This opening 19 is then also controlled by a non-return valve 20, oriented to prevent any circulation of air by the opening 19 from the intake or upstream box 16 to the outside environment E.
- the intake box 16 comprises three openings 19 for connection to the outside environment, each of these openings being controlled by a non-return valve 20.
- a non-return valve 20 it could be envisaged to implement only one opening 19 for connection of the exhaust box to the external environment E.
- the channeling means 15 further comprise a box 25, said to be exhaust or downstream depending on its position relative to the reed and to the direction Fi of the latter's biasing flow.
- the exhaust box 25 is, of course, open towards the reeds 12.
- the exhaust box 25 is, moreover, connected to the reserve 5 by at least one opening 26 controlled by a non-return valve 27 oriented to prevent any air circulation coming from the reserve 5 through the opening 26 towards the exhaust box 25.
- the exhaust box 25 is connected to the reserve 5 by two openings 26 each controlled by a non-return valve 27.
- the exhaust box 25 could be connected to the reserve by more than two openings 26 or, again, by a single opening 26.
- the exhaust casing 25 is also connected, by at least one opening 28, to the external medium E.
- This opening 28 is then controlled by a non-return valve 29 oriented to prevent any circulation of air from the medium outside by the opening 28 towards the exhaust box or downstream 25.
- a non-return valve 29 oriented to prevent any circulation of air from the medium outside by the opening 28 towards the exhaust box or downstream 25.
- several openings 28 could be provided, each controlled by a non-return valve 29.
- the air passes, in the direction of the arrow Fi, then the box spring 10 to which is connected, in a substantially leaktight manner, the intake box 16.
- the air passes through the alveoli, the valve 13 of which is open to reach the exhaust box 25 which is also substantially sealed connection to the bed base 10.
- the air then leaves the exhaust box 25 to fill the reserve 5 passing through the openings 26, the valves 27 of which are open. It should be noted that, during this phase, the opening 28 is closed by the valve 29.
- the channeling means 15 make it possible to ensure air circulation at the level of the bed base 10 and the reeds 12 which it carries, always in the same direction Fi, so that it is possible to solicit these reeds independently of the direction of air circulation at the level of the reserve 5.
- the same reed can be played, both in the suction phase and in the expiration phase.
- the means 15 for channeling the air flow comprise two boxes 16 and 25, between which is arranged at least one box spring carrying the reeds.
- the channeling means in accordance with the invention illustrated in FIGS. 5 to 8, the channeling means
- the 15 include, for at least one reed 12, an intake box 16 and an exhaust box 25 which are connected by a channel 30 at the level of which the reed 12 is disposed.
- the intake and exhaust boxes are integral part of the box spring 10, which has the advantage of not requiring a complex air circulation circuit in the accordion as described above, so that the bed base, incorporating the intake and exhaust boxes, can be implemented on a conventional accordion.
- the non-return valves 18, 20 of each intake box 16 are coupled together by means of a connecting rod 35, so that, when one of the valves is open, the other valve is closed, and vice versa.
- the non-return valves 27, 29 of each box exhaust 25 are coupled by a connecting rod 36, so that when one of the valves is open, the other valve is closed, and vice versa.
- the operation of the reed 12 is controlled by a valve or a shutter 13, arranged, in the example illustrated in FIGS. 5 to 8, at the opening 17 of the intake box 16 oriented towards the reserve 5.
- the shutter 13 then ensures, in the closed position, as illustrated in FIGS. 5 and 7, the closing of the opening 17 of the intake box 16 and, in the open position, the free passage of air through the opening 17.
- the instrument 1 comprises means for preventing the circulation of air between the openings 17, 19 of an intake box 16 and the openings 26, 28 of the exhaust box 25 associated, when the associated shutter 13 is in the closed position.
- the opening 17 of the intake box is closed by the shutter 13, while the opening 19 of the intake box is closed by the non-return valve 20 which is locked in this position at using the shutter 13.
- each shutter 13 is provided, in the example illustrated, with a control rod 37, in order to bring the check valve return 20 to the closed position of the opening 19.
- the open position of the shutter 13 as illustrated in FIGS. 6 and 8, the operation of the valves 18 and 20 of the intake box 16 is free.
- the instrument 1 comprises means making it possible to modify the opening and closing positions of at least some of the pairs of non-return valves 27, 29 of the exhaust boxes.
- the modification of the position of the non-return valves 27, 29 depends on the direction of circulation of the air flow from the reserve 5. In the example illustrated in FIGS. 5 to 8, these modification means are produced by the circulation of the air flow from the reserve 5. It should be noted that provision could be made for these modification means by means of mechanical connection means subject to movements causing air circulation.
- some of the non-return valves of the exhaust boxes 25 can be connected by a mechanical connection to the bellows, to the half-body of the accordion or to the hand of the musician. It should be noted that these position modification means are independent of the shutter 13.
- the operation of the reeds 12 conforms to the general principle described in relation to FIGS. 1 to 4.
- the associated reed 12 does not vibrate because the two openings 17, 19 of the intake box 16 are closed.
- the pair of non-return valves 27, 29 of the exhaust box 25 is displaced according to the direction of circulation of the air flow depending on the emptying or compression phase of the reserve 5 (fig. 5) and the filling or depression phase of reserve 5 (fig. 7).
- the open position of a shutter 13 (fig.
- the associated reed 12 vibrates under the action of the air which passes through it, between the openings 17 and 28, in the direction of the arrow Fi for the emptying phase of the reserve 5 (fig. 6) and, between the openings 19, 26, in the direction of the arrow Fi for the filling phase of the reserve 5 (fig. 8). It should be noted that, when the shutter 13 is in the open position, the movement of the pair of non-return valves 18, 20 is free.
- the exhaust box 25 is automatically set in the example illustrated in FIGS. 5 to 8, by the play of the free piston, in the "compression” or “depression” configuration, depending on the filling or emptying phase of the reserve 5, and which the shutter 13 allows, when it is placed in position open (fig. 6 and 8), simultaneously placing the intake box in the desired configuration ("depression” or “compression") and requesting the associated reed 12.
- the object of the invention makes it possible to predetermine the direction of stress of the reed 12 by the air flow, prior to the opening of the shutter 13 by the musician. This results in comfort and playing precision for the musician, as well as an improvement in the acoustic characteristics of the instrument 1.
- the shutter 13 is placed on the opening 17 of the box. 16 communicating with the reserve 5.
- it can be provided to implement one or more shutters 13 mounted (s) on one and / or the other box of a pair of intake boxes and exhaust associated with a reed 12.
- FIG. 9 illustrates an alternative embodiment of the invention for which a shutter 13 is mounted in relation to the openings 17 and 26 of the intake 16 and exhaust 25 boxes.
- the shutter 13 thus constitutes the means for preventing the air circulation between the openings of the intake and exhaust boxes when the shutter 13 is, of course, placed in the closed position.
- a pair of non-return valves 18, 20 of an intake box 16 is mounted integral with the pair of non-return valves 27, 29 of the exhaust box 25 associated with said intake box.
- the connecting rods 35, 36 of the pairs of valves are connected together by a connection bar 39, offset with respect to the reed 12, so as not to disturb its vibration.
- the coupling between the two pairs of non-return valves 18, 20 and 27, 29 is of the inverted type, that is to say when, for example, an opening 26 for communication with the reserve 5 , of the exhaust box 25 is closed, then the opening 17 for communication with the reserve 5, of the intake box 16 is open. In this position illustrated in FIG.
- the openings 19 and 28 of the intake 16 and exhaust 25 boxes are, respectively, closed and open, taking into account the coupling of the non-return valves by the connecting rods 35, 36.
- the closed openings become open and the open openings become closed.
- the position of the non-return valves is modified, not by the circulation of air flow, but by means of mechanical means subject to the movements causing the circulation of air as already explained.
- these non-return valves can be connected by a mechanical connection to the bellows, to the half-body of the accordion or to the hand of the musician, so that their movements are not simply dependent on air.
- the non-return valves of the exhaust and intake boxes are positioned correctly, so that, as soon as the shutter 13 is opened, the corresponding reed can vibrate.
- each non-return valve is represented by a rigid element moving in its plane and thus forming a valve.
- each non-return valve can be produced by a rigid articulated element forming a valve. It can also be envisaged to produce the non-return valves by flexible elements.
- the object of the invention makes it possible, very advantageously, to reduce, to registers and / or equivalent octave numbers, the number of reeds necessary to play, both , during the suction and expiration phases of the air flow from the reserve 5.
- This reduction in weight and size can then be used to, for example, equipping box springs with a tuning device 40 for each of the reeds.
- Fig. 10 illustrates an example of such a tuning device 40 which comprises, at the fixed end 41 of the reed 12, a jaw 42 which clamps the reed 12.
- the tuning device further comprises, opposite to the jaw of the free end 43 of the reed 12, a system of two rollers 44, 45 between which the tail or the fixed end of the reed 12 is pinched.
- These rollers 44, 45 are integral with two pinions which mesh with one another.
- One of the pinions cooperates with an endless screw 46, so that the rotation of the screw makes it possible to adjust the extension or the vibrating length of the reed relative to the jaw or to the rollers.
- This device then makes it possible to tune, in a reversible manner, the note emitted by the reed during its solicitation.
- the reduction in the number of reeds of an accordion according to the invention also makes it possible to envisage implementing devices making it possible to convert the movements of each reed into an electrical signal.
- the movements of the reed are transformed into an electrical signal by means of an optical system which involves at least one emitter of a light ray or at least one light source 51 oriented towards the free end 43 of the reed 12 and at least one receiver 52 arranged to receive the light 53 emitted by the transmitter and reflected on the free end 43 of the reed 12.
- the light source 51 is placed towards the fixed end 41 of the reed 12, while the receiver 52 is placed towards the free end 43 of the reed. This provision makes it possible to obtain, during the vibration of the reed, a displacement of the reflected light signal 53 R on either side of the position of this signal when the reed does not vibrate.
- the source 51 can be of any suitable nature, such as a light emitting diode emitting infrared or visible light.
- the light source 51 can also be constituted by a light guide connected to a centralized light source.
- the receiver 52 can also be produced in any suitable manner, such as, for example, by one or more photodiodes or photoresistors.
- the receiver 52 and the transmitter 51 are connected to means 54 which control the source 51 and process the information received from the receiver 52, so as to deliver an image signal of the vibrations of the reed.
- the processing means 54 can also be connected to an electronic system 55 for amplifying or processing the sounds emitted by the instrument.
- the receiver 52 In order to be able to take account of the amplitude of the displacement of the reflected light ray 53 R , the receiver 52 consists of several sensors 56 substantially aligned and coplanar.
- the sensors 56 constituting the receiver 52 could be placed differently.
- fig. 12 shows an exemplary embodiment of the optical device 50 for which the sensors 56, constituting the receiver 52, are arranged in line, according to a curve which takes account of the place of reflection of the light signal 53 R coming from the transmitter 51, in depending on the position of the free end 43 of the reed 12.
- This alternative embodiment has the following advantages: to respect the physical and acoustic constraints of production of the boxes, in particular in terms of internal dimensions and choice of materials, do not lose the reflection signal over the entire stroke of the reed 12, thus avoiding the need for computer modeling at the processing means 54.
- Fig. 13 shows an exemplary embodiment for which the optical system 57 is a concave mirror
- FIG. 14 shows another exemplary embodiment for which the optical system 57 is a converging lens.
- a reed 12 producing a single note is associated with an intake box 16 and an exhaust box 25.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Check Valves (AREA)
- Reciprocating Pumps (AREA)
- Confectionery (AREA)
- Finger-Pressure Massage (AREA)
- Thermotherapy And Cooling Therapy Devices (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Stringed Musical Instruments (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0008295A FR2811128B1 (fr) | 2000-06-28 | 2000-06-28 | Instrument de musique a anches libres |
FR0008295 | 2000-06-28 | ||
PCT/FR2001/002076 WO2002001547A1 (fr) | 2000-06-28 | 2001-06-28 | Instrument de musique a anches libres |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1301918A1 true EP1301918A1 (fr) | 2003-04-16 |
EP1301918B1 EP1301918B1 (fr) | 2006-05-17 |
Family
ID=8851785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01949576A Expired - Lifetime EP1301918B1 (fr) | 2000-06-28 | 2001-06-28 | Instrument de musique a anches libres |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1301918B1 (fr) |
CN (1) | CN1220969C (fr) |
AT (1) | ATE326753T1 (fr) |
AU (1) | AU2001270704A1 (fr) |
DE (1) | DE60119738D1 (fr) |
FR (1) | FR2811128B1 (fr) |
WO (1) | WO2002001547A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2410118B (en) * | 2004-01-15 | 2005-12-28 | Edward Jay | Reed system for a free reed instrument |
CN101042858A (zh) * | 2007-04-28 | 2007-09-26 | 徐一渠 | 一种多调式、调高口琴 |
CN102708845A (zh) * | 2012-06-18 | 2012-10-03 | 廖万侦 | 东方管风琴 |
FR3017741A1 (fr) * | 2014-02-14 | 2015-08-21 | Philippe Imbert | Perfectionnement a un instrument de musique a anches libres tel qu'un accordeon ou similaire |
CN106571128A (zh) * | 2016-02-02 | 2017-04-19 | 顾震夷 | 双气室手风琴发音系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE104584C (fr) * | ||||
US2662440A (en) * | 1951-09-10 | 1953-12-15 | Gasero Charles De | Single reed cell block |
DE2622523A1 (de) * | 1976-05-20 | 1977-12-08 | Ernst Zacharias | Ferngestimmte zungenstimmen fuer orgeln |
DE8802598U1 (de) * | 1988-02-27 | 1988-06-16 | Lemmer, Andreas, 4154 Tönisvorst | Stimmstock für Zungenstimmeninstrument mit einer Stimmzunge pro Stimmplatte |
DE19507863C2 (de) * | 1995-03-08 | 1999-09-16 | Siegfried Koppold | Akkordeon oder Harmonika |
DE60023662T2 (de) * | 1999-02-12 | 2006-08-10 | Pierre Bonnat | Verfahren und vorrichtung zur steuerung eines elektronischen systems oder eines informationssystems durch einen flüssigkeitsstrom |
-
2000
- 2000-06-28 FR FR0008295A patent/FR2811128B1/fr not_active Expired - Fee Related
-
2001
- 2001-06-28 AT AT01949576T patent/ATE326753T1/de not_active IP Right Cessation
- 2001-06-28 WO PCT/FR2001/002076 patent/WO2002001547A1/fr active IP Right Grant
- 2001-06-28 CN CN01813480.7A patent/CN1220969C/zh not_active Expired - Fee Related
- 2001-06-28 EP EP01949576A patent/EP1301918B1/fr not_active Expired - Lifetime
- 2001-06-28 AU AU2001270704A patent/AU2001270704A1/en not_active Abandoned
- 2001-06-28 DE DE60119738T patent/DE60119738D1/de not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO0201547A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2002001547A1 (fr) | 2002-01-03 |
FR2811128B1 (fr) | 2002-11-08 |
CN1444760A (zh) | 2003-09-24 |
EP1301918B1 (fr) | 2006-05-17 |
ATE326753T1 (de) | 2006-06-15 |
AU2001270704A1 (en) | 2002-01-08 |
FR2811128A1 (fr) | 2002-01-04 |
CN1220969C (zh) | 2005-09-28 |
DE60119738D1 (de) | 2006-06-22 |
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