EP1274519B1 - Acoustic method for discriminating paper and plastic envelopes - Google Patents

Acoustic method for discriminating paper and plastic envelopes Download PDF

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Publication number
EP1274519B1
EP1274519B1 EP01919606A EP01919606A EP1274519B1 EP 1274519 B1 EP1274519 B1 EP 1274519B1 EP 01919606 A EP01919606 A EP 01919606A EP 01919606 A EP01919606 A EP 01919606A EP 1274519 B1 EP1274519 B1 EP 1274519B1
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European Patent Office
Prior art keywords
paper
article
envelope
acoustic signal
mail
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Expired - Lifetime
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EP01919606A
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German (de)
French (fr)
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EP1274519A1 (en
Inventor
François CHAUME
Jean-Marc Teluob
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Solystic SAS
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Solystic SAS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
    • B07C5/34—Sorting according to other particular properties

Definitions

  • Disclosed is a method for discriminating in a mail processing machine, paper wrapped mail items, and plastic wrapped mail items.
  • a known technique is based on an optical principle of reflecting a light beam on the envelope to control and measure the reflected energy.
  • the plastic material being more reflective than paper, the discrimination is simple to implement.
  • this optical discrimination technique may be ineffective when the plastic envelopes are dull and / or colored, i.e., when they have a reflectance close to that of the paper.
  • Another known technique is based on a pneumatic principle of deforming the envelope to be controlled by suction and measuring a pressure variation related to this deformation. Since a plastic envelope is generally less rigid than a paper envelope, the discrimination is simple to implement.
  • the patent US 5632381 discloses a method for classifying sheets of paper and cardboard based on the comparison of the acoustic signal produced by the percussion of a ram on the leaves.
  • the patent DE-4217481 proposes to classify objects in paper, aluminum and plastic electrostatically.
  • the object of the invention is to provide an alternative solution for discriminating paper-wrapped mail items and plastic-wrapped mail items that do not have the disadvantages indicated above.
  • the subject of the invention is a method for discriminating paper-wrapped mail items and plastic wrapped mail items, characterized in that it consists in moving each article of mail in front of a box.
  • vacuum member for producing an acoustic signal resulting from a suction effect of the vacuum member on a face of said article as it is moving in front of said vacuum member, and comparing said acoustic signal with a vacuum signal; reference for detecting whether the envelope of said article is paper or plastic.
  • spectral characteristics are extracted from said acoustic signal and said spectral characteristics are compared with corresponding reference values to detect whether the envelope of said article is made of paper or plastic.
  • spectral analyzes of the acoustic signals recorded for plastic-wrapped mail items and acoustic signals recorded for paper-wrapped mail items have shown that the first acoustic signals corresponding to the envelopes made of material all have a characteristic of high amplitude in a certain frequency range that is not found in the acoustic signals corresponding to the paper envelopes.
  • the invention also relates to a device for carrying out the method according to claims 1 and 2.
  • a destacking device postal folds conventionally comprising a magazine 1 loaded with a stack of postal folds such as P1, P2, P3 driven in a certain direction D to an unstacking head comprising a suction nozzle 2 in front of which is moved a perforated strip 3 engaged on return pulleys such as 4.
  • the suction nozzle 2 exerts a suction force in the direction D which tends to press the first fold of the stack loaded in the magazine 1 against the perforated belt 3 so that this fold is moved on edge by the perforated belt in a direction D 'perpendicular to the direction D and is separated from the stack.
  • the unstacking device illustrated in the figure comprises a double (or multiple) plug separator constituted by a suction nozzle 5 which exerts a suction force in the direction opposite to that exerted by the nozzle 2.
  • the nozzle 5 is arranged slightly downstream of the nozzle 2 in the direction D '. As each depressed fold is moved edgewise between the two suction nozzles 2 and 5, the suction nozzles 2 and 5 act on opposite sides of the fold.
  • the suction force of the nozzle 2 is provided substantially greater than that of the nozzle 5 so that if a single fold engages between the two nozzles 2 and 5, it is moved in the direction D 'by the action
  • two plies engage at the same time between the two nozzles 2 and 5, that which is on the side of the nozzle 5 is stopped since it does not undergo the action of the nozzle 2 and the belt 3. of the nozzle 2 while that which is on the side of the nozzle 2 is moved in the direction D 'by the combined action of the nozzle 2 and the belt 3 as indicated above.
  • This controlled and adjustable suction level causes an acoustic signal that is detected by a sensor 6 such as a microphone.
  • a sensor 6 such as a microphone.
  • This sensor 6 is preferably arranged close to the double plug separator and therefore to the nozzle 5 as illustrated in the figure to avoid as much as possible the detection of other parasitic noises produced by the unstacking device.
  • the acoustic signal detected by the sensor 6 is compared with a reference signal to detect whether the envelope of the fold is paper or plastic.
  • the noise level recorded and analyzed for detection is derived from the signal generated by the controlled suction. Permanent suction generates a background noise that is not significant for detection.
  • certain representative spectral characteristics are extracted from the acoustic signal: signal power, spectral lines, signal envelope pattern; to compare them with corresponding reference values to detect whether the envelope is paper or plastic.
  • the extraction of these characteristics can easily be carried out as is known after filtering, digitizing and other treatments on the acoustic signal which are carried out by a data processing unit 7, such as a microcomputer or a specialized circuit providing output information D indicating whether the envelope is paper or plastic.
  • the reference values used for the comparison are constituted simply by recording acoustic signals recorded in the unstacking device for reference plies encased in paper or plastic.

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  • Sorting Of Articles (AREA)
  • Making Paper Articles (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Packaging Of Special Articles (AREA)
  • Paper (AREA)
  • Cartons (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)

Abstract

In a machine for processing mail articles, the method of distinguishing between mail articles (P1, P2, P3) contained in envelopes made out of paper and mail articles contained in envelopes made out of plastics material, consists in displacing each mail article in front of a pressure member (5) so as to produce an acoustic signal that results from a suction effect of the pressure member on one face of said article while it moves in front of said pressure member, and in comparing said acoustic signal with a reference signal in order to detect whether the envelope of said article is made out of paper or out of plastics material.

Description

L'invention porte sur un procédé pour discriminer dans une machine de traitement d'articles de courrier, des articles de courrier mis sous enveloppe en papier et des articles de courrier mis sous enveloppe en matière plastique.Disclosed is a method for discriminating in a mail processing machine, paper wrapped mail items, and plastic wrapped mail items.

Certaines applications postales requièrent l'impression de codes à barres sur les enveloppes des plis postaux. Il se trouve que le courrier à traiter par les machines de tri est emballé non seulement sous enveloppe en papier mais souvent aussi sous enveloppe en matière plastique. Il se pose alors le problème de l'impression des codes à barres sur les enveloppes en matière plastique, car sur ce genre de support, l'encre est longue à sécher et les codes à barres imprimés sont susceptibles de s'effacer par frottement des enveloppes sur les organes de la machine de tri. Afin d'éviter d'apposer sur tous les plis traités par une machine de tri, des étiquettes servant de support aux codes à barres à imprimer, il a été envisagé de discriminer les enveloppes en matière plastique et les enveloppes en papier de telle sorte qu'une étiquette est apposée sur un pli que si ce pli est sous enveloppe en matière plastique.Some postal applications require the printing of barcodes on envelopes of mailpieces. It turns out that the mail to be processed by the sorting machines is packaged not only in a paper envelope but often also in a plastic envelope. This raises the problem of the printing of bar codes on plastic envelopes, because on this type of support, the ink is long to dry and the printed bar codes are able to be erased by rubbing envelopes on the organs of the sorting machine. In order to avoid affixing on all the folds treated by a sorting machine, labels serving as a support for the barcodes to be printed, it has been envisaged to discriminate the plastic envelopes and the paper envelopes so that a label is affixed to a fold only if this fold is under a plastic envelope.

On connaît déjà plusieurs techniques de discrimination des enveloppes en papier et des enveloppes en matière plastique. Une technique connue repose sur un principe optique consistant à faire réfléchir un rayon lumineux sur l'enveloppe à contrôler et à mesurer l'énergie réfléchie. La matière plastique étant plus réflective que le papier, la discrimination est simple à mettre en oeuvre. Toutefois, cette technique de discrimination par mesure optique peut s'avérer inefficace quand les enveloppes en matière plastique sont mates et/ou colorées, c'est-à-dire quand elles ont une réflectance proche de celle du papier. Une autre technique connue repose sur un principe pneumatique consistant à déformer par aspiration l'enveloppe à contrôler et à mesurer une variation de pression liée à cette déformation. Une enveloppe en matière plastique étant généralement moins rigide qu'une enveloppe en papier, la discrimination est simple à mettre en oeuvre. Toutefois l'efficacité de cette technique de discrimination par mesure pneumatique est très sensible à la poussière et requière dont un nettoyage fréquent du capteur de pression pour maintenir les performances de la mesure. Le brevet US-5632381 divulgue un procédé pour classifier des feuilles de papier et de carton basé sur la comparaison du signal acoustique produit par la percussion d'un bélier sur les feuilles. Le brevet DE-4217481 propose de classifier des objets en papier, aluminium et plastique par voie électrostatique.Several paper envelope and plastic envelope discrimination techniques are already known. A known technique is based on an optical principle of reflecting a light beam on the envelope to control and measure the reflected energy. The plastic material being more reflective than paper, the discrimination is simple to implement. However, this optical discrimination technique may be ineffective when the plastic envelopes are dull and / or colored, i.e., when they have a reflectance close to that of the paper. Another known technique is based on a pneumatic principle of deforming the envelope to be controlled by suction and measuring a pressure variation related to this deformation. Since a plastic envelope is generally less rigid than a paper envelope, the discrimination is simple to implement. However, the effectiveness of this pneumatic measurement discrimination technique is very sensitive to dust and requires frequent cleaning of the pressure sensor to maintain the performance of the measurement. The patent US 5632381 discloses a method for classifying sheets of paper and cardboard based on the comparison of the acoustic signal produced by the percussion of a ram on the leaves. The patent DE-4217481 proposes to classify objects in paper, aluminum and plastic electrostatically.

Le but de l'invention est de proposer une autre solution pour discriminer des articles de courrier mis sous enveloppe en papier et des articles de courrier mis sous enveloppe en matière plastique qui ne présente pas les inconvénients indiqués ci-dessus.The object of the invention is to provide an alternative solution for discriminating paper-wrapped mail items and plastic-wrapped mail items that do not have the disadvantages indicated above.

A cet effet, l'invention a pour objet un procédé pour discriminer des articles de courrier mis sous enveloppe en papier et des articles de courrier mis sous enveloppe en matière plastique, caractérisé en ce qu'il consiste à déplacer chaque article de courrier devant un organe à dépression afin de produire un signal acoustique résultant d'un effet de succion de l'organe à dépression sur une face dudit article alors qu'il est en mouvement devant ledit organe à dépression, et à comparer ledit signal acoustique avec un signal de référence pour détecter si l'enveloppe dudit article est en papier ou en matière plastique. Plus particulièrement, selon l'invention on extrait dudit signal acoustique des caractéristiques spectrales et on compare lesdites caractéristiques spectrales à des valeurs de références correspondantes pour détecter si l'enveloppe dudit article est en papier ou en matière plastique. On a ainsi remarqué que, dans une installation de dépilage d'articles de courrier munie d'un séparateur de prise double constitué par une buse d'aspiration, le bruit résultant de l'effet d'aspiration par le séparateur de prise double sur une face d'un article dépilé alors que cet article est en mouvement devant la buse d'aspiration est différent suivant que l'article de courrier est mis sous enveloppe en papier ou sous enveloppe en matière plastique. Plus particulièrement, des analyses spectrales des signaux acoustiques relevés pour des articles de courrier mis sous enveloppe en matière plastique et des signaux acoustiques relevés pour des articles de courrier mis sous enveloppe en papier ont mis en évidence que les premiers signaux acoustiques correspondant aux enveloppes en matière plastique présentent tous une caractéristique de forte amplitude dans un certain intervalle de fréquences qui ne se retrouve pas dans les signaux acoustiques correspondant aux enveloppes en papier.For this purpose, the subject of the invention is a method for discriminating paper-wrapped mail items and plastic wrapped mail items, characterized in that it consists in moving each article of mail in front of a box. vacuum member for producing an acoustic signal resulting from a suction effect of the vacuum member on a face of said article as it is moving in front of said vacuum member, and comparing said acoustic signal with a vacuum signal; reference for detecting whether the envelope of said article is paper or plastic. More particularly, according to the invention, spectral characteristics are extracted from said acoustic signal and said spectral characteristics are compared with corresponding reference values to detect whether the envelope of said article is made of paper or plastic. It has thus been noted that, in an unstacking installation of mailpieces equipped with a double-sided separator constituted by a suction nozzle, the noise resulting from the suction effect by the double setting separator on a face of a depilated article while the article is moving in front of the suction nozzle is different depending on whether the mail item is placed in a paper envelope or plastic envelope. More particularly, spectral analyzes of the acoustic signals recorded for plastic-wrapped mail items and acoustic signals recorded for paper-wrapped mail items have shown that the first acoustic signals corresponding to the envelopes made of material all have a characteristic of high amplitude in a certain frequency range that is not found in the acoustic signals corresponding to the paper envelopes.

Comme décrit dans la revendication 3, l'invention a aussi pour objet un dispositif pour la mise en oeuvre du procédé selon les revendications 1 et 2.As described in claim 3, the invention also relates to a device for carrying out the method according to claims 1 and 2.

Le procédé selon l'invention est décrit ci-après et sa mise en oeuvre est illustrée sur le dessin unique qui montre très schématiquement un dispositif de dépilage d'articles de courrier avec un séparateur de prise double (ou multiple) constitué par une buse d'aspiration. revendications 1 et 2.The method according to the invention is described below and its implementation is illustrated in the single drawing which very schematically shows a device for unstacking mail items with a double (or multiple) plug separator constituted by a nozzle of suction. claims 1 and 2.

Sur la figure, on a représenté un dispositif de dépilage de plis postaux comprenant classiquement un magasin 1 chargé avec une pile de plis postaux tels que P1,P2,P3 entraînée suivant une certaine direction D vers une tête de dépilage comprenant une buse d'aspiration 2 devant laquelle est déplacée une bande perforée 3 engagée sur des poulies de renvoi telles que 4. La buse d'aspiration 2 exerce une force d'aspiration suivant la direction D qui tend à plaquer le premier pli de la pile chargée dans le magasin 1 contre la courroie perforée 3 ce qui fait que ce pli est déplacé sur chant par la courroie perforée suivant une direction D' perpendiculaire à la direction D et est séparé de la pile.In the figure, there is shown a destacking device postal folds conventionally comprising a magazine 1 loaded with a stack of postal folds such as P1, P2, P3 driven in a certain direction D to an unstacking head comprising a suction nozzle 2 in front of which is moved a perforated strip 3 engaged on return pulleys such as 4. The suction nozzle 2 exerts a suction force in the direction D which tends to press the first fold of the stack loaded in the magazine 1 against the perforated belt 3 so that this fold is moved on edge by the perforated belt in a direction D 'perpendicular to the direction D and is separated from the stack.

Le dispositif de dépilage illustré sur la figure comprend un séparateur de prise double (ou multiple) constitué par une buse d'aspiration 5 qui exerce une force d'aspiration dans le sens opposé à celle exercée par la buse 2. La buse 5 est disposée légèrement en aval de la buse 2 suivant la direction D'. Comme chaque pli dépilé est déplacé sur chant entre les deux buses d'aspiration 2 et 5, les buses d'aspiration 2 et 5 agissent sur des faces opposées du pli. La force d'aspiration de la buse 2 est prévue sensiblement supérieure à celle de la buse 5 ce qui fait que si un seul pli s'engage entre les deux buses 2 et 5, il est déplacé suivant la direction D' par l'action combinée de la buse 2 et de la courroie 3. Par contre si deux plis s'engagent en même temps entre les deux buses 2 et 5, celui qui est du côté de la buse 5 est arrêté puisqu'il ne subit pas l'action de la buse 2 alors que celui qui est du côté de la buse 2 est déplacé suivant la direction D' par l'action combinée de la buse 2 et de la courroie 3 comme indiqué plus haut.The unstacking device illustrated in the figure comprises a double (or multiple) plug separator constituted by a suction nozzle 5 which exerts a suction force in the direction opposite to that exerted by the nozzle 2. The nozzle 5 is arranged slightly downstream of the nozzle 2 in the direction D '. As each depressed fold is moved edgewise between the two suction nozzles 2 and 5, the suction nozzles 2 and 5 act on opposite sides of the fold. The suction force of the nozzle 2 is provided substantially greater than that of the nozzle 5 so that if a single fold engages between the two nozzles 2 and 5, it is moved in the direction D 'by the action In contrast, if two plies engage at the same time between the two nozzles 2 and 5, that which is on the side of the nozzle 5 is stopped since it does not undergo the action of the nozzle 2 and the belt 3. of the nozzle 2 while that which is on the side of the nozzle 2 is moved in the direction D 'by the combined action of the nozzle 2 and the belt 3 as indicated above.

L'effet de succion de la buse 5 sur une face d'un pli séparé de la pile et qui est déplacé devant la buse 5 est augmenté lorsque le front avant du pli se trouve à l'axe des roues basse pression RBP (illustrées schématiquement en traits interrompus). Ce niveau d'aspiration commandé et réglable provoque un signal acoustique qui est détecté par un capteur 6 tel qu'un microphone. Ce capteur 6 est de préférence disposé à proximité du séparateur de prise double et donc de la buse 5 comme illustré sur la figure pour éviter le plus possible la détection d'autres bruits parasites produits par le dispositif de dépilage. Le signal acoustique détecté par le capteur 6 est comparé avec un signal de référence pour détecter si l'enveloppe du pli est en papier ou en matière plastique. Le niveau de bruit enregistré et analysé pour la détection est issu du signal généré par l'aspiration commandée. L'aspiration permanente génère un bruit de fond non significatif pour la détection.The suction effect of the nozzle 5 on one side of a fold separated from the stack and which is moved in front of the nozzle 5 is increased when the front edge of the fold is at the axis of the low pressure wheels RBP (illustrated schematically in broken lines). This controlled and adjustable suction level causes an acoustic signal that is detected by a sensor 6 such as a microphone. This sensor 6 is preferably arranged close to the double plug separator and therefore to the nozzle 5 as illustrated in the figure to avoid as much as possible the detection of other parasitic noises produced by the unstacking device. The acoustic signal detected by the sensor 6 is compared with a reference signal to detect whether the envelope of the fold is paper or plastic. The noise level recorded and analyzed for detection is derived from the signal generated by the controlled suction. Permanent suction generates a background noise that is not significant for detection.

Pour effectuer la comparaison, on extrait du signal acoustique certaines caractéristiques spectrales représentatives : puissance du signal, raies spectrales, modèle d'enveloppe du signal ; pour les comparer à des valeurs de références correspondantes afin de détecter si l'enveloppe est en papier ou en matière plastique. L'extraction de ces caractéristiques peut facilement être réalisée comme cela est connu après filtrage, numérisation et autres traitements sur le signal acoustique qui sont réalisés par une unité de traitement de données 7, tel qu'un micro-ordinateur ou un circuit spécialisé fournissant en sortie une information D indiquant si l'enveloppe est en papier ou en matière plastique. Les valeurs de référence servant à la comparaison sont constituées simplement par enregistrement de signaux acoustiques relevés dans le dispositif de dépilage pour des plis de référence mis sous enveloppe en papier ou en matière plastique.To perform the comparison, certain representative spectral characteristics are extracted from the acoustic signal: signal power, spectral lines, signal envelope pattern; to compare them with corresponding reference values to detect whether the envelope is paper or plastic. The extraction of these characteristics can easily be carried out as is known after filtering, digitizing and other treatments on the acoustic signal which are carried out by a data processing unit 7, such as a microcomputer or a specialized circuit providing output information D indicating whether the envelope is paper or plastic. The reference values used for the comparison are constituted simply by recording acoustic signals recorded in the unstacking device for reference plies encased in paper or plastic.

Claims (3)

  1. In a machine for processing mail articles, a method of distinguishing between mail articles (P1, P2, P3) contained in envelopes made out of paper and mail articles contained in envelopes made out of plastics material, the method being characterised in that it consists in displacing each mail article in front of a pressure member (5) so as to produce an acoustic signal that results from a suction effect of the pressure member on one face of said article while it moves in front of said pressure member, and in comparing said acoustic signal with a reference signal in order to detect whether the envelope of said article is made out of paper or out of plastics material.
  2. The method according to claim 1, in which spectral characteristics are extracted from said acoustic signal and are compared with corresponding reference values in order to detect whether the envelope of said article is made out of paper or out of plastics material.
  3. A device for implementing the method according to claim 1 or claim 2, the device comprising a pressure member (5) serving as a dual-point separator in an installation for unstacking mail articles, an acoustic sensor (6) disposed in the vicinity of said dual-point separator so as to pick up the acoustic signal that results from a suction effect of said dual-point separator on one face of each unstacked mail article while it moves in front of said dual-point separator, and a data processor unit (7) which receives said acoustic signal from said sensor so as to compare it with a reference signal in order to detect whether the envelope of said article is made out of paper or out of plastics material.
EP01919606A 2000-04-07 2001-04-02 Acoustic method for discriminating paper and plastic envelopes Expired - Lifetime EP1274519B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0004443 2000-04-07
FR0004443A FR2807347B1 (en) 2000-04-07 2000-04-07 ACOUSTICAL PROCESS FOR DISCRIMINATION OF PAPER AND PLASTIC ENVELOPES
PCT/FR2001/000971 WO2001076775A1 (en) 2000-04-07 2001-04-02 Acoustic method for discriminating paper and plastic envelopes

Publications (2)

Publication Number Publication Date
EP1274519A1 EP1274519A1 (en) 2003-01-15
EP1274519B1 true EP1274519B1 (en) 2008-01-23

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US (1) US6811034B2 (en)
EP (1) EP1274519B1 (en)
JP (1) JP2003531719A (en)
CN (1) CN1196543C (en)
AT (1) ATE384590T1 (en)
AU (1) AU2001246668A1 (en)
BR (1) BR0109858A (en)
CA (1) CA2404955C (en)
DE (1) DE60132572T2 (en)
DK (1) DK1274519T3 (en)
ES (1) ES2296741T3 (en)
FR (1) FR2807347B1 (en)
IL (2) IL150792A0 (en)
NO (1) NO325993B1 (en)
PT (1) PT1274519E (en)
WO (1) WO2001076775A1 (en)

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FR2835452A1 (en) * 2002-02-05 2003-08-08 Solystic METHOD FOR DETECTION OF PLASTIC OBJECTS AND DETECTION DEVICE
FR2919598B1 (en) * 2007-08-02 2009-12-04 Solystic DEVICE FOR CONVEYING SHIPMENTS WITH DEDICATED RATE SUPPORT
FR2925474B1 (en) * 2007-12-20 2009-11-27 Solystic DEVICE FOR DEPILING MULTI-MODE POSTAL SHIPMENTS
PL2832541T3 (en) * 2012-03-29 2017-11-30 Innovative Film Solutions Sl Bi-oriented polypropylene film for envelope windows
JP7341727B2 (en) * 2019-05-28 2023-09-11 株式会社メイキコウ Goods loading device

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DE4217481C2 (en) * 1992-05-22 1995-04-06 Noell Abfall & Energietech Method and device for sorting single-use packaging
US5419546A (en) * 1994-02-15 1995-05-30 Unisys Corporation Double-document detection arrangement
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CN1196543C (en) 2005-04-13
FR2807347A1 (en) 2001-10-12
CN1404419A (en) 2003-03-19
US6811034B2 (en) 2004-11-02
IL150792A (en) 2007-07-24
DE60132572D1 (en) 2008-03-13
PT1274519E (en) 2008-02-25
WO2001076775A1 (en) 2001-10-18
DE60132572T2 (en) 2009-03-19
CA2404955C (en) 2008-04-01
BR0109858A (en) 2003-06-03
EP1274519A1 (en) 2003-01-15
NO20024842D0 (en) 2002-10-07
ATE384590T1 (en) 2008-02-15
DK1274519T3 (en) 2008-06-02
NO325993B1 (en) 2008-09-01
US20030038066A1 (en) 2003-02-27
NO20024842L (en) 2002-10-07
CA2404955A1 (en) 2001-10-18
ES2296741T3 (en) 2008-05-01
FR2807347B1 (en) 2002-05-24
AU2001246668A1 (en) 2001-10-23
JP2003531719A (en) 2003-10-28
IL150792A0 (en) 2003-02-12

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