EP1090384B1 - Vorrichtung zur erstellung von durch auffallendes licht erkennbaren bildern und texten - Google Patents
Vorrichtung zur erstellung von durch auffallendes licht erkennbaren bildern und texten Download PDFInfo
- Publication number
- EP1090384B1 EP1090384B1 EP99936454A EP99936454A EP1090384B1 EP 1090384 B1 EP1090384 B1 EP 1090384B1 EP 99936454 A EP99936454 A EP 99936454A EP 99936454 A EP99936454 A EP 99936454A EP 1090384 B1 EP1090384 B1 EP 1090384B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- colorant
- reflector
- color
- container
- containers
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/377—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by pneumatic means
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/37—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements
- G09F9/372—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being movable elements the positions of the elements being controlled by the application of an electric field
Definitions
- the invention relates to a device for creating by striking light recognizable images and text, in which the image area is composed of numerous electronically controllable, grid-like arranged point elements and that each point element at least one formed by a flat container and at least on the visible side of a transparent wall has a closed color mirror, the Interior communicates with a paint container via a channel, its content is put under pressure by electronic control can be that color from the paint container gets into the color mirror and by reducing the pressure in the paint container, the paint from the Color mirror can be sucked off.
- each point element can or each pixel takes on only two colors, namely either the color of the Rear wall of the color mirror or the color that comes from the paint container into the Color mirror is pressed.
- the transport of the colors from the paint containers in the color mirror happens in these known devices by means of Piezo actuators or with the help of an external electrical field.
- the dot elements are white or accept black.
- a point element or pixel has one Color mirror on, which is connected to a paint container, the one dark color, e.g. Black, is filled while the back floor of the color mirror has a light or white color.
- the known color mirrors can be on different color containers Colors can be connected because each point element is only two Colors can take on, colored pictures are only with very coarse screening possible.
- the object of the invention is to provide a device in which striking light, clearly visible and quickly exchangeable color images possible are.
- each point element has at least color levels in connection with paint containers stand with different colors, especially black, cyan, yellow and magenta are filled.
- the point elements composed in this way can accept the colors of the selected paint containers in the image area.
- There two or more ink containers of a point element can also be controlled can, the dot elements can also the colors of color mixtures accept.
- the color mixing can be done in an additive manner using the primary colors Red, green and blue. But it can also be done in a subtractive manner by means of the basic colors cyan, magenta and yellow and if necessary using a contrasting color: black.
- the flat containers of the color mirror can each be used to form mixed colors Point element can be arranged close to each other.
- the paint containers are placed in a known manner using piezo actuators Pressure put. These piezo actuators can be controlled via a diode matrix become.
- valve that opens the channel depending on the control or closes.
- This valve can also be formed by a piezo actuator become.
- a color mirror can also have two spaced ones Color mirror can be connected to two paint containers. Then it can two colors are pressed into a color mirror, whereby for care is that the colors do not mix. That can once done that a movable wall within the Color mirror is arranged or the colors have a relatively large surface tension have and two pressed into a color mirror Colors are separated by a gas cushion.
- An image area should consist of several modules and these of several Assemble units, each unit at least 200 to 300 Has point elements.
- the modules each have one on their edges (bidirectional) interface over which it connects with another one there Module can communicate.
- the data of a module group to be displayed are only in one of the modules via a free, with interface equipped edge fed and then passed on to the other edges.
- An appropriate algorithm can be used after the Network structure for an optimized data distribution. All Modules are sent via this data network with all available input data provided.
- Each module can use the determined network setup data determine its exact position within the module network in order to the image section of the overall image to be displayed display.
- the in the display of video images (PAL) on large Scaling and interpolation work can occur can therefore be processed in parallel by the modules, which is high on the one hand Quality and low cost of using low dimensioned module processors.
- PAL video images
- the approximately 1 to 3 mm 3 large paint containers are expediently incorporated as rectangular or square chambers in a plate made of ceramic material.
- the color mirrors and the channels that connect the paint containers to the color mirrors can also be incorporated into plates made of ceramic material. These plates are glued together and form a unit of 30 x 30 or 50 x 50 dot elements or pixels.
- These tile-like units can, for example, be square and have a side length of 80 to 120 mm. Several of these pixel units are put together to form a module and several modules form a screen.
- the screen can also be self-illuminating be formed by arranging light sources behind the color mirrors become.
- the screen 13 according to FIGS. 4 and 5 is composed Modules 12, which in turn are composed of units 10 or tiles are. 1 shows a unit 10 with 30 x 40 point elements or Pixels 1.
- Each point element 1 has at least one visible from FIG. 1
- Color mirror 3 which consists of a flat container, the Visible side wall 2 is transparent and over a thin Channel 6 is connected to a paint container 5.
- a micropump 7 which changes color due to volume change Paint container 5 can press into the color mirror 3 and paint from the Color mirror 3 can retrieve.
- a point element 1 can have four color mirrors 3 that are connected via their channels 6 to paint containers 5, which with the Colors cyan, magenta, yellow and black are filled.
- FIG. 3 shows a point element or pixel 1 with three color mirrors 3 that are connected via channels 6 to two paint containers 5 each.
- the sections assigned to the channels 6 through movable walls 9 separated from each other.
- the movable walls 9 are in the manner of a slide formed and are shaped so that they do not the inlets of the channels 6 can cover.
- the separation can also be effected by a gas or air cushion 11 become.
- the point element 1 has six Color mirror 3, which are each connected to only one paint container 5.
- the color mirror 3 have the shape of a rectangular in plan view Triangle. Two color mirrors 3 are arranged so that they are rectangular Cover the area with the hypotenuses of the triangles diagonally through the rectangular area.
- the image area or the screen 13 exposes itself four modules 12 together. All modules 12 can be placed anywhere the image area 13 are used. To make this simple and quick To enable the construction of an image area, each module 12 has on each of its Edges each have a bidirectional interface, via which it is connected to the adjacent modules 12 can communicate. Each module 12 can under Using the determined network setup data, its exact position within the module network to determine the predetermined To display image detail of the overall picture to be displayed. The at the Display of video images (PAL) on large screens Scaling and interpolation work can thus be done by the modules processed in parallel, which is high quality on the one hand and on the other hand low costs due to the use of small-sized module processors allows.
- PAL Display of video images
- the control signal can be multiplexed via a diode matrix.
- the piezo actuators 7 are connected via a matrix. At plant of a potential at exactly one column and one row becomes a capacitor charged and feeds the piezo actuator 7 until the refresh voltage needed to display the image at this point. A Discharge of the capacitor through the matrix is not due to a diode possible. To achieve the required packing density, production is in Prefer thin film technology. To further increase the Circuit density is a higher integration of the matrix electronics within an integrated circuit conceivable.
- the micropump 7 is composed of a bending piezo actuator 14, 15 and an elastic, compressible body 16, e.g. out Foam plastic or foam rubber.
- the bending piezo actuator has a metal strip 14 on which a strip Piezoceramic 15 is glued on.
- This piezoceramic strip 15 expands decreases or decreases depending on the applied voltage. Similar to a bimetal, this changes the shape of the metal strip 14, whereby the body 16 is more or less compressed and accordingly less or more dye in the color levels 3,3 ', 3 ".
- the volume of the ink containers or ink chambers is 1 to 2 mm 3 .
- the color liquid can be a hydrocarbon, in particular a liquid paraffin.
- the inner surface of the color mirror 3, 3 ', 3 can be treated or coated with an agent which reduces the surface energy, as a result of which the adhesion of the liquid paint pressed into the color mirror 3, 3', 3" is reduced.
- Each point element or pixel 1 has three next to each other arranged transparent color mirrors 3 'on the channels 6' with two Paint containers 5 'are connected. Located under these three color mirrors 3 ' a round color mirror 3, which is contrasted with a color, e.g. Black, can be filled.
- a color e.g. Black
- FIG. 9 shows a sectional view along the section line XII-XII in FIG. 11.
- This Fig. 12 shows the structure of a unit 10 or tile that itself composed of several sheets 21 to 24 glued together, preferably made of ceramic. The back is from the bottom plate 21st educated.
- On this rear Ink chamber plate 22 is another ink chamber plate 23, in the the paint containers 5 'for the front color mirror 3' are incorporated. It follows a color mirror plate 24, in which the color mirror 3 are incorporated, and the outer color mirror plate 25 in which the color mirror 3 'is incorporated are.
- This protective disk 26 and the outer color mirror plate 25 are made made of clear material.
- In the ink chamber plate 22 are the color chambers 5 for the contrast colors for the color mirror 3 housed while the color chambers 5 'with the transparent colors Yellow, magenta and cyan are filled.
- the rear color mirror plate 24 can are made of white ceramic.
- the base plate 21 is composed of a Contact plate 27, which contacts between the piezo actuators 14, 15 and produces the conductor tracks of the conductor track layer 28.
- Another layer 29 can a multiplex circuit for controlling the piezo actuators 14, 15 exhibit.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Spectrometry And Color Measurement (AREA)
Description
- ein Zentralprozessor (z.B. ca. 68030 oder 80486);
- ein Direktzugriffsspeicher RAM, ausreichend für Realauflösung und Bildauflösung sowie evtl. zusätzlicher Daten;
- ein Festspeicher ROM / EPROM für Betriebsprogramm und evtl. Vektorinformationen für Standardschrift;
- vier Firewire-Ports,
- Ansteuerungselektronik für Piezogitter, Multiplexer möglichst über volle Modulgröße verteilt.
- Fig. 1
- eine Schnittansicht eines bekannten Punktelementes mit Farbspiegel,
- Fig. 2
- eine Draufsicht auf ein Punktelement mit vier Farbspiegeln,
- Fig. 3
- eine Draufsicht auf ein Punktelement mit sechs Farbspiegeln,
- Fig. 4
- eine Draufsicht auf vier Punktelemente mit je drei Farbspiegeln,
- Fig. 5
- eine Draufsicht auf vier Module einer Bildfläche,
- Fig. 6
- einen Bildschirm,
- Fig. 7
- einen Längsschnitt zweier Punktelemente,
- Fig. 8
- eine Draufsicht auf zwei Punktelemente,
- Fig. 9
- eine Ansicht nach der Schnittlinie XII-XII in Fig. 11,
- Fig. 10
- eine perspektivische Explosionszeichnung einer Ecke einer Punktelemente- oder Pixel-Einheit mit in zwei Ebenen befindlichem Farbspiegel.
- 1
- Punktelement, Pixel
- 2
- durchsichtige Wand
- 3,3',3"
- Farbspiegel
- 4
- Boden
- 5,5',5"
- Farbbehälter
- 6,6',6"
- Kanal
- 7
- Mikropumpe, Piezoaktor
- 8
- Ventil
- 9
- bewegliche Wand, Schieber
- 10
- Einheit, Kachel
- 11
- Gaspolster
- 12
- Modul
- 13
- Bildschirm
- 14
- Metallstreifen
- 15
- Piezokeramikstreifen
- 16
- elastischer, dehnbarer Körper
- 21
- Bodenplatte
- 22
- hintere Farbkammerplatte
- 23
- vordere Farbkammerplatte
- 24
- hintere Farbspiegelplatte
- 25
- vordere Farbspiegelplatte
- 26
- Schutzscheibe
- 27
- Kontaktplatte
- 28
- Leiterbahnschicht
- 29
- Matrix mit Spalten- und Zeilenleiterbahnen
- C
- Cyan
- M
- Magenta
- G
- Gelb
Claims (10)
- Vorrichtung zur Erstellung von durch auffallendes Licht erkennbaren Bildern und Texten, bei welcher die Bildfläche sich zusammensetzt aus zahlreichen elektronisch ansteuerbaren, rasterartig angeordneten Punktelementen (1) und bei der jedes Punktelement (1) mindestens einen Farbspiegel (3) aufweist, der von einem flachen und zumindest auf der Sichtseite durchsichtigen Behälter gebildet ist und dessen Innenraum über einen Kanal (6) mit einem Farbbehälter (5) in Verbindung steht, dessen Inhalt durch elektronischen Ansteuerung so unter Druck gesetzt werden kann, daß aus dem Farbbehälter (5) Farbe in den Farbspiegel (3) gelangt und durch Reduzierung des Drucks im Farbbehälter (5) die Farbe aus dem Farbspiegel (3) abgesaugt werden kann, dadurch gekennzeichnet, daß ein Punktelement (1) mindestens drei Farbspiegel (3) aufweist, die mit Farbbehältern (5) verbunden sind, welche mit unterschiedlichen Farben, insbesondere Schwarz, Cyan, Gelb, Magenta, gefüllt sind.
- Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß ein Farbspiegel (3') über zwei im größten Abstand voneinander in den Farbspiegel (3') einmündende Kanäle (6) an zwei Farbbehälter (5') angeschlossen ist und die unterschiedlichen, in den Farbspiegel (3') einströmenden Farben durch ein Gaspolster (11) oder durch eine im Farbspiegel (3') angeordnete bewegliche Wand (9) voneinander getrennt sind.
- Vorrichtung insbesondere nach Anspruch 1, dadurch gekennzeichnet, daß die Farbspiegel (3) eines Punktelementes (1) hintereinander angeordnet sind, wobei der vorgelagerte Farbspiegel (3) bzw. die vorgelagerten Farbspiegel (3) aus klar durchsichtigem Material bestehen und am Farbbehälter (5) mit transparenten Farben angeschlossen sind.
- Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zwischen dem Farbspiegel (3) und dem Farbbehälter (5) ein den Kanal (6) sperrendes oder öffnendes Ventil (8) angeordnet ist.
- Vorrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Querschnitt der Punktelemente (1) kreisrund oder quadratisch ist und die Seitenlänge bzw. der Durchmesser nicht größer als 4 mm ist.
- Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß zweihundert bis dreihundert Punktelemente (1) oder Pixel zu einer Einheit (10) zusammengefaßt sind und mehrere Einheiten (10) ein Modul (12) der Bildfläche (13) bilden.
- Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß jede Einheit (10) sich aus mindestens vier übereinander angeordneten Platten (21,22,23,24), vorzugsweise aus Keramik, zusammensetzt, nämlicheiner Bodenplatte (21), welche die Farbbehälter (5) an der Rückseite abschließt und die Kontakte zur Ansteuerung der Piezoaktoren (14,15) aufnimmt,einer Farbbehälterplatte (23), in welche die Farbbehälter (5) eingearbeitet sind und welche die ansteuerbaren Piezoaktoren (14,15) aufnimmt,einer Farbspiegelplatte (24), in welche die Farbspiegel (3) sowie die Farbspiegel (3) mit den Farbbehältern (5) verbindenden Kanäle (6) angeordnet sind undeiner klar durchsichtigen Abdeckplatte (26).
- Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß in jedem Farbbehälter (5) eine das Volumen des Farbbehälters (5) verändernde Mikropumpe (14,15) angeordnet ist, die einen die Rückstellung bewirkender elastischer Körper (16), z.B. aus Schaumgummi, aufweist, der von einem Biege-Piezoaktor (14,15) in Abhängigkeit von der angelegten Spannung zusammendrückbar ist.
- Vorrichtung nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß hinter den aus transparentem Werkstoff bestehenden Farbspiegeln (3,3') und vor den Farbbehältern (5,5') eine oder mehrere Lichtquellen angeordnet sind.
- Vorrichtung nach Anspruch 9, dadurch gekennzeichnet, daß die Lichtquelle eine hinter den Farbspiegeln (3,3') aufgebrachte Leuchtstoffschicht ist, die nach dem Funktionsprinzip einer Planon-Flachlampe von einem mit Xenon-Gas gefüllten Raum ausgehende UV-Strahlen bestrahlt ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19828474 | 1998-06-26 | ||
DE19828474 | 1998-06-26 | ||
PCT/EP1999/003909 WO2000000947A1 (de) | 1998-06-26 | 1999-06-05 | Vorrichtung zur erstellung von durch auffallendes licht erkennbaren bildern und texten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1090384A1 EP1090384A1 (de) | 2001-04-11 |
EP1090384B1 true EP1090384B1 (de) | 2002-04-17 |
Family
ID=7872079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99936454A Expired - Lifetime EP1090384B1 (de) | 1998-06-26 | 1999-06-05 | Vorrichtung zur erstellung von durch auffallendes licht erkennbaren bildern und texten |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1090384B1 (de) |
AU (1) | AU5154899A (de) |
DE (1) | DE59901267D1 (de) |
ES (1) | ES2176004T3 (de) |
WO (1) | WO2000000947A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006066887A2 (de) * | 2004-12-20 | 2006-06-29 | Bartels Mikrotechnik Gmbh | Verfahren, vorrichtung und system zur erstellung von durch auffallendes licht erkennbaren bildern, texten und information |
WO2006125563A2 (de) * | 2005-05-21 | 2006-11-30 | Aspre Ag | Verfahren zum mischen von farben in einem display |
CN101120391B (zh) * | 2005-02-16 | 2011-03-23 | 阿斯普雷股份公司 | 用于生成可通过入射光识别的彩色图像和文字的显示装置 |
DE102009038469A1 (de) | 2009-08-21 | 2011-04-28 | Advanced Display Technology Ag | Anzeigeelement und Verfahren zum Ansteuern eines Anzeigeelementes |
EP2363741A2 (de) | 2010-03-02 | 2011-09-07 | Advanced Display Technology AG | Sicherheitselement mit einem Anzeigeelement |
US8693077B2 (en) | 2009-11-09 | 2014-04-08 | Aspre Ag | Display |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19845377B4 (de) * | 1998-10-02 | 2004-07-15 | Weßling, Gerold | Bildschirm zur Darstellung farbiger Bilder |
DE10237069A1 (de) * | 2002-08-09 | 2004-02-19 | Aspre Ag | Vorrichtung zur Erstellung von durch auffallendes Licht erkennbaren Bildern und Texten |
DE102005008834A1 (de) * | 2005-02-16 | 2006-08-24 | Aspre Ag | Display zur Erstellung von durch auffallendes Licht erkennbaren farbigen Bildern und Texten |
DE102006009541A1 (de) | 2006-02-28 | 2007-08-30 | Aspre Ag | Bildfläche oder Display |
DE102006050404A1 (de) | 2006-10-20 | 2008-04-24 | Aspre Ag | Bildfläche oder Display |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04166981A (ja) * | 1990-10-31 | 1992-06-12 | Toshiba Corp | ディスプレイ装置 |
JPH05158416A (ja) * | 1991-12-10 | 1993-06-25 | Matsushita Electric Ind Co Ltd | ディスプレイ装置 |
US5717283A (en) * | 1996-01-03 | 1998-02-10 | Xerox Corporation | Display sheet with a plurality of hourglass shaped capsules containing marking means responsive to external fields |
-
1999
- 1999-06-05 AU AU51548/99A patent/AU5154899A/en not_active Abandoned
- 1999-06-05 WO PCT/EP1999/003909 patent/WO2000000947A1/de active IP Right Grant
- 1999-06-05 EP EP99936454A patent/EP1090384B1/de not_active Expired - Lifetime
- 1999-06-05 ES ES99936454T patent/ES2176004T3/es not_active Expired - Lifetime
- 1999-06-05 DE DE59901267T patent/DE59901267D1/de not_active Expired - Lifetime
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006066887A2 (de) * | 2004-12-20 | 2006-06-29 | Bartels Mikrotechnik Gmbh | Verfahren, vorrichtung und system zur erstellung von durch auffallendes licht erkennbaren bildern, texten und information |
WO2006066887A3 (de) * | 2004-12-20 | 2007-03-08 | Bartels Mikrotechnik Gmbh | Verfahren, vorrichtung und system zur erstellung von durch auffallendes licht erkennbaren bildern, texten und information |
CN101120391B (zh) * | 2005-02-16 | 2011-03-23 | 阿斯普雷股份公司 | 用于生成可通过入射光识别的彩色图像和文字的显示装置 |
WO2006125563A2 (de) * | 2005-05-21 | 2006-11-30 | Aspre Ag | Verfahren zum mischen von farben in einem display |
WO2006125563A3 (de) * | 2005-05-21 | 2008-02-28 | Aspre Ag | Verfahren zum mischen von farben in einem display |
US8547406B2 (en) | 2009-08-21 | 2013-10-01 | Advanced Display Technology Ag | Display element and a method for driving a display element |
DE102009038469A1 (de) | 2009-08-21 | 2011-04-28 | Advanced Display Technology Ag | Anzeigeelement und Verfahren zum Ansteuern eines Anzeigeelementes |
DE102009038469B4 (de) * | 2009-08-21 | 2015-02-12 | Advanced Display Technology Ag | Anzeigeelement und Verfahren zum Ansteuern eines Anzeigeelementes |
US8693077B2 (en) | 2009-11-09 | 2014-04-08 | Aspre Ag | Display |
EP2363741A2 (de) | 2010-03-02 | 2011-09-07 | Advanced Display Technology AG | Sicherheitselement mit einem Anzeigeelement |
DE102010009890A1 (de) | 2010-03-02 | 2011-09-08 | Advanced Display Technology Ag | Sicherheitselement |
US8462422B2 (en) | 2010-03-02 | 2013-06-11 | Advanced Display Technology Ag | Security element |
EP2363741A3 (de) * | 2010-03-02 | 2014-05-21 | Advanced Display Technology AG | Sicherheitselement mit einem Anzeigeelement |
Also Published As
Publication number | Publication date |
---|---|
EP1090384A1 (de) | 2001-04-11 |
WO2000000947A1 (de) | 2000-01-06 |
AU5154899A (en) | 2000-01-17 |
DE59901267D1 (de) | 2002-05-23 |
ES2176004T3 (es) | 2002-11-16 |
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