EP0480013A1 - Roulette-type slot machine. - Google Patents

Roulette-type slot machine.

Info

Publication number
EP0480013A1
EP0480013A1 EP91909052A EP91909052A EP0480013A1 EP 0480013 A1 EP0480013 A1 EP 0480013A1 EP 91909052 A EP91909052 A EP 91909052A EP 91909052 A EP91909052 A EP 91909052A EP 0480013 A1 EP0480013 A1 EP 0480013A1
Authority
EP
European Patent Office
Prior art keywords
hit
microprocessor
amount
random
pct
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
Application number
EP91909052A
Other languages
German (de)
French (fr)
Other versions
EP0480013B1 (en
Inventor
Tjark Bergmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Th Bergmann GmbH and Co
Original Assignee
Th Bergmann GmbH and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from DE19904014477 external-priority patent/DE4014477A1/en
Application filed by Th Bergmann GmbH and Co filed Critical Th Bergmann GmbH and Co
Publication of EP0480013A1 publication Critical patent/EP0480013A1/en
Application granted granted Critical
Publication of EP0480013B1 publication Critical patent/EP0480013B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/326Game play aspects of gaming systems
    • G07F17/3262Player actions which determine the course of the game, e.g. selecting a prize to be won, outcome to be achieved, game to be played
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/3286Type of games
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63FCARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F5/00Roulette games

Definitions

  • the invention relates to a method for operating a gaming machine in the manner of a roulette with a roulette-like number kettle and setting keypad arranged on the front of the gaming machine, in which the player determines the amount of the game bet by inserting coins and subsequent key selection and then a microprocessor the game result is determined by means of a random algorithm and, if a set number has been hit, the coin dispensing unit is actuated to eject the main prize and a gaming machine to carry out the method.
  • numbers from 0 to 12 can be set with one or more coins. Depending on the number field set and the choice of the player, an amount of up to twelve times the winning number can be played in the event of a win. However, it has been shown that a maximum achievable multiplier of 12 gives the players only a small incentive to play, who are familiar with the possibility of achieving jackpot winnings from other gaming machines.
  • the object of the invention is to improve the above-mentioned method for operating a gaming machine in the manner of a roulette so that, depending on the chance, there is the possibility of achieving a jackpot-like maximum profit. It is also the object of the invention to design a gaming machine in such a way that the method can be carried out.
  • the object is achieved with respect to the method by the characterizing features of claim 1 and with respect to the gaming machine by the characterizing features of claim 4.
  • Advantageous embodiments of the invention are described in the dependent claims.
  • the random number generator of the additional processor determines a profit multiplier for the maximum profit, which is many times larger than in known gaming machines.
  • the factors of the chance-dependent profit multiplier are e.g. B. staggered in the following grid: 10, 25, 50, 100, 1000 or 8, 12, 20, 100, 1000.
  • the statistical mean value of payments actually made is also 12, which means that even when the additional random generator is used, it remains in statistical mean for the profit multiplier of 12.
  • the random generator of the additional processor is designed such that in 85% of all game situations when the hit hits a set number, the random generator only determines the lower profit multiplier. If 15 bets are placed on a number, the player will only receive ten times or eight times his bets and thus less than with the known slot machines. On the other hand, the random generator of the additional processor determines a higher profit multiplier such as 25, 50, 100, 1000 or 12, 10, 100, 1000 in 15% of all game situations with a hit on a set number a jackpot-like main prize of fifteen thousand bets possible. This significantly increases the incentive to play for the player.
  • the additional processor as a 33-bit processor with a random generator, it is practically impossible to determine the random combination causing a jackpot due to the large number of approximately 4.2 billion base numbers. This provides the device operator with a high level of security against unauthorized persons from manipulating a jackpot. ⁇ In addition or alternatively, a risk switching
  • the drawing shows a gaming machine according to the invention in a perspective view, which is explained in more detail below.
  • a roulette-like number kettle 3 and a setting keypad 10 are formed on the front of the device housing 2 of the gaming machine 15 .
  • a display field 5 for profit multipliers and a display field 6 to show that the gaming machine 1 is a roulette game device 20.
  • a flashing light 7 which flashes in the event of a malfunction of the gaming machine and in the event of a jackpot.
  • 25 attachment part 4 can also be integrated into the actual device housing 2.
  • a display field 8 for the profit display and a display field 9 for displaying the stake still available.
  • the setting keypad 10 has keypads for the numbers 0 to 12 and keypads for the high numbers 7 to 12 and for the low numbers 1 to 6 and for only on the black or only on the red background Count on.
  • the maximum use of coins in a game period is limited and can be, for example, 15 coins per field hit. If the number bet is hit, a hit is scored.
  • the microprocessor of the control unit in the device housing controls an additional processor with a random generator, which determines the profit multiplier on the basis of the algorithm read in. This can e.g. B. according to a graduation 10, 25, 50, 100, 1000 or 8, 12, 20, 100, 1000. If the profit multiplier 1000 is determined, a jackpot is achieved and the gaming machine 1 ejects the bet 1,000 times, in this example 15,000 coins.

Abstract

PCT No. PCT/EP91/00856 Sec. 371 Date Feb. 28, 1992 Sec. 102(e) Date Feb. 28, 1992 PCT Filed May 7, 1991 PCT Pub. No. WO91/17529 PCT Pub. Date Nov. 14, 1991.According to a process for operating a slot machine that works as a roulette wheel, the gambler determines the amount of the stake by introducing coins then by pressing selection keys. A microprocessor determines the result of the game by means of random algorithm. When the chosen number is hit, the microprocessor instructs the coin distributing unit to eject the main prize. When a chosen number is hit, the microprocessor drives another processor with a random generator. The random generator determines, depending on a written algorithm, a gain multiplier which is multiplied by the amount of the stake on the number that was hit. The payment unit is then instructed to distribute an amount in coins which corresponds to the product of the stake on the number that was hit and the gain multiplier.

Description

ROULETTARTIGES GELDSPIELGERÄT ROULET-LIKE MONEY PLAYER
Die Erfindung betrifft ein Verfahren zum Betrieb eines Geldspielgerätes nach Art eines Roulettes mit einem an der Frontseite des Geldspielgeräts angeordneten roulettear¬ tigen Zahlenkessel und Setztastenfeld, bei dem der Spieler die Höhe des Spieleinsatzes durch Einwurf von Münzen und anschließende Tastenwahl festlegt und dann ein Mikropro¬ zessor mittels eines Zufallsalgorithmus das Spielergebnis ermittelt und, wenn eine gesetzte Zahl getroffen wurde, die Münzausgabeeinheit zum Auswerfen des Hauptgewinns ansteuert und ein Geldspielgerät zur Durchführung des Verfahrens.The invention relates to a method for operating a gaming machine in the manner of a roulette with a roulette-like number kettle and setting keypad arranged on the front of the gaming machine, in which the player determines the amount of the game bet by inserting coins and subsequent key selection and then a microprocessor the game result is determined by means of a random algorithm and, if a set number has been hit, the coin dispensing unit is actuated to eject the main prize and a gaming machine to carry out the method.
Bei bekannten gattungsgemäßen Geldspielgeräten können mit einer oder mehrerer Münzen Zahlen von 0 bis 12 gesetzt wer- den. Je nach gesetztem Zahlenfeld und nach der Wahl des Spielers kann bei einem Gewinn ein Betrag von bis zum zwölffachen der Gewinnzahl ausgespielt werden. Es hat sich jedoch gezeigt, daß ein maximal erreichbarer Gewinnmulti¬ plikator von 12 den Spielern nur einen geringen Spielan- reiz gibt, die von anderen Geldspielgeräten die Möglich¬ keit zur Erzielung von Jackpot-Gewinnen kennen.In known generic gaming machines, numbers from 0 to 12 can be set with one or more coins. Depending on the number field set and the choice of the player, an amount of up to twelve times the winning number can be played in the event of a win. However, it has been shown that a maximum achievable multiplier of 12 gives the players only a small incentive to play, who are familiar with the possibility of achieving jackpot winnings from other gaming machines.
Die Aufgabe der Erfindung besteht darin, das eingangs ge¬ nannte Verfahren zum Betrieb eines Geldspielgeräts nach Art eines Roulettes so zu verbessern, daß zufallsabhängig die Möglichkeit besteht einen jackpot-artigen Größtgewinn zu erzielen. Ferner ist es die Aufgabe der Erfindung, ein Geldspielgerat so auszubilden, daß es die Durchführung des Verfahrens ermöglicht.The object of the invention is to improve the above-mentioned method for operating a gaming machine in the manner of a roulette so that, depending on the chance, there is the possibility of achieving a jackpot-like maximum profit. It is also the object of the invention to design a gaming machine in such a way that the method can be carried out.
Erfindungsgemäß erfolgt die Lösung der Aufgabe bezüglich des Verfahrens durch die kennzeichnenden Merkmale des Anspruchs 1 und bezüglich des Geldspielgeräts durch die kennzeichnenden Merkmale des Anspruchs 4. Vorteilhafte Ausgestaltungen der Erfindung werden in den abhängigen Ansprüchen beschrieben. Nach der Erfindung ist es für den Spieler möglich, daß bei einem Treffer der gesetzten Zahl der Zufallsgenerator des zusätzlichen Prozessors einen Gewinnmultiplikator für den Höchstgewinn ermittelt, der um ein Vielfaches größer ist als bei bekannten Geldspielgeräten. Bei erfindungsgemäß ausgeführten Geldspielgeräten sind die Faktoren des zu¬ fallsabhängigen Gewinnmultiplikators z. B. in folgendem Rastern gestaffelt: 10, 25, 50, 100, 1000 bzw 8, 12, 20, 100, 1000. Der statistische Mittelwert tatsächlich erfolg- ter Auszahlungen beträgt ebenfalls 12, das heißt auch bei Einsatz des zusätzlichen Zufallsgenerators verbleibt es im statistischem Mittel bei dem Gewinnmultiplikator von 12. Der Zufallsgenerator des zusätzlichen Prozessors ist aber so ausgelegt, daß in 85% aller Spielsituationen beim Tref- fer auf einer gesetzten Zahl der Zufallsgenerator ledig¬ lich den unteren Gewinnmultiplikator ermittelt. Wenn 15 Einsätze auf eine Zahl gesetzt sind, erhält der Spieler in diesem Fall also lediglich das Zehnfache bzw. Achtfache seiner Einsätze und damit weniger als bei den bekannten Geldspielgeräten. Dagegen ermittelt der Zufallsgenerator des zusätzlichen Prozessors in 15% aller -Spielsituationen mit einem Treffer auf eine gesetzte Zahl einen höheren Gewinnmultiplikator wie z.B. 25, 50, 100, 1000 oder 12, 10, 100, 1000. Bei 15 Einsätzen auf die getroffene Zahl ist also ein jackpot-artiger Hauptgewinn von fünfzehn¬ tausend Einsätzen möglich. Hierdurch wird der Spielanreiz für den Spieler wesentlich erhöht. Durch Ausbildung des zusätzlichen Prozessors als 33 Bit-Prozessor mit Zufalls¬ generator ist es aufgrund der großen Anzahl von ca. 4,2 Mrd. Basiszahlen praktisch nicht möglich, die einen Jack¬ pot bewirkende Zufallskombination zu ermitteln. Hierdurch besteht für den Gerätebetreiber eine große Sicherheit dagegen, daß Unbefugte durch Manipulation einen Jackpot erzielen. ΞΞ kann auch ergänzend oder alternativ eine Risikσschal-According to the invention, the object is achieved with respect to the method by the characterizing features of claim 1 and with respect to the gaming machine by the characterizing features of claim 4. Advantageous embodiments of the invention are described in the dependent claims. According to the invention, it is possible for the player that when the set number is hit, the random number generator of the additional processor determines a profit multiplier for the maximum profit, which is many times larger than in known gaming machines. In the case of gaming machines designed in accordance with the invention, the factors of the chance-dependent profit multiplier are e.g. B. staggered in the following grid: 10, 25, 50, 100, 1000 or 8, 12, 20, 100, 1000. The statistical mean value of payments actually made is also 12, which means that even when the additional random generator is used, it remains in statistical mean for the profit multiplier of 12. However, the random generator of the additional processor is designed such that in 85% of all game situations when the hit hits a set number, the random generator only determines the lower profit multiplier. If 15 bets are placed on a number, the player will only receive ten times or eight times his bets and thus less than with the known slot machines. On the other hand, the random generator of the additional processor determines a higher profit multiplier such as 25, 50, 100, 1000 or 12, 10, 100, 1000 in 15% of all game situations with a hit on a set number a jackpot-like main prize of fifteen thousand bets possible. This significantly increases the incentive to play for the player. By designing the additional processor as a 33-bit processor with a random generator, it is practically impossible to determine the random combination causing a jackpot due to the large number of approximately 4.2 billion base numbers. This provides the device operator with a high level of security against unauthorized persons from manipulating a jackpot. ΞΞ In addition or alternatively, a risk switching
- * tung vorgesehen werden. Durch Betätigung einer Risikotaste kann der Spieler dann z.B. mit Risiko um den Jackpot spie¬ len und hat dadurch die Möglichkeit, eine Art Super-Jack- 5 pot zu erzielen. In diesem Fall ist es vorteilhaft, an der Frontfläche des Geldspielgeräts den Status "Jackpot" anzu¬ zeigen, damit der Spieler noch für einen kurzen Zeitraum Gelegenheit hat, das Risikospiel zu beginnen.- * • be provided. By pressing a risk button, the player can then play around the jackpot with risk, for example, and thereby have the possibility of achieving a kind of super jackpot. In this case, it is advantageous to display the status "jackpot" on the front surface of the gaming machine so that the player still has the opportunity to start the risk game for a short period of time.
10 In der Zeichnung ist ein erfindungsgemäßes Geldspielgerat in einer perspektivischen Ansicht dargestellt, das nach¬ stehend näher erläutert wird.10 The drawing shows a gaming machine according to the invention in a perspective view, which is explained in more detail below.
An der Frontseite des Gerätegehäuses 2 des Geldspielgeräts 15 1 ist ein rouletteartiger Zahlenkessel 3 und ein Setz- tastenfeld 10 ausgebildet. Oberhalb des Zahlenkessels 3 befindet sich ein Aufsatzteil 4 mit einem Anzeigefeld 5 für Gewinnmultiplikatoren und ein Anzeigefeld 6 zur An¬ zeige, daß das Geldspielgerat 1 ein Roulette-Spielgerät 20 ist. Auf der Oberseite des AufSatzteils 4 befindet sich eine Blinkleuchte 7, die bei einer Störung des Geldspiel¬ gerätes und bei einem Jackpot blinkt. Hierdurch kann das Aufsichtspersonal sofort Abweichungen vom normalen Spiel¬ betrieb oder das Auftreten von Störungen erkennen. DasOn the front of the device housing 2 of the gaming machine 15 1, a roulette-like number kettle 3 and a setting keypad 10 are formed. Above the number kettle 3 there is an attachment part 4 with a display field 5 for profit multipliers and a display field 6 to show that the gaming machine 1 is a roulette game device 20. On the top of the top part 4 there is a flashing light 7 which flashes in the event of a malfunction of the gaming machine and in the event of a jackpot. As a result, the supervisory staff can immediately recognize deviations from normal game operation or the occurrence of faults. The
25 Aufsatzteil 4 kann auch in das eigentliche Gerätegehäuse 2 integriert sein. Neben dem Zahlenkessel 3 befindet sich ein Anzeigefeld 8 für die Gewinnanzeige und ein Anzeige¬ feld 9 zur Anzeige des noch zur Verfügung stehenden Ein¬ satzes. Zwischen dem Zahlenkessel 3 und dem Setztastenfeld25 attachment part 4 can also be integrated into the actual device housing 2. In addition to the number kettle 3 there is a display field 8 for the profit display and a display field 9 for displaying the stake still available. Between the number kettle 3 and the setting keypad
30 10 befinden sich Funktionstasten 11, 12 sowie der Münz- einwurfschlitz 13. Unter dem Setztastenfeld 10 sind wei¬ tere Funktionstasten 14, 15, 16 sowie die Münzauswurf- schale 17 angeordnet.30 10 there are function keys 11, 12 and the coin insertion slot 13. Further function keys 14, 15, 16 and the coin ejection tray 17 are arranged under the setting keypad 10.
35 Das Setztastenfeld 10 weist Tastenfelder für die Zahlen 0 bis 12 sowie Tastenfelder für die hohen Zahlen 7 bis 12 und für die niedrigen Zahlen 1 bis 6 und für nur auf dem schwarzen oder nur auf dem roten Untergrund angeordnete Zahlen auf. Der maximale Einsatz von Münzen bei einer Spielperiode ist begrenzt und kann z.B. 15 Münzen je ge¬ troffenem Feld betragen. Wird die gesetzte Zahl getroffen, ist ein Treffer erzielt. In diesem Fall wird von dem Mi- kroprozessor der Steuereinheit in dem Gerätegehäuse ein zusätzlicher Prozessor mit einem Zufallsgenerator ange¬ steuert, der aufgrund des eingelesenen Algorithmus den Gewinnmultiplikator ermittelt. Dieser kann z. B. nach einer Staffelung 10, 25, 50, 100, 1000 oder 8, 12, 20, 100, 1000 ausgelegt sein. Wird der Gewinnmultiplikator 1000 ermittelt, ist ein Jackpot erzielt und das Geld¬ spielgerat 1 wirft 1000 mal den Einsatz aus, in diesem Beispiel 15000 Münzen.35 The setting keypad 10 has keypads for the numbers 0 to 12 and keypads for the high numbers 7 to 12 and for the low numbers 1 to 6 and for only on the black or only on the red background Count on. The maximum use of coins in a game period is limited and can be, for example, 15 coins per field hit. If the number bet is hit, a hit is scored. In this case, the microprocessor of the control unit in the device housing controls an additional processor with a random generator, which determines the profit multiplier on the basis of the algorithm read in. This can e.g. B. according to a graduation 10, 25, 50, 100, 1000 or 8, 12, 20, 100, 1000. If the profit multiplier 1000 is determined, a jackpot is achieved and the gaming machine 1 ejects the bet 1,000 times, in this example 15,000 coins.
ZBLATT ZBLATT

Claims

P A T E N T A N S P R U C H E PATENT CLAIMS
1. Verfahren zum Betrieb eines Geldspielgeräts nach Art eines Roulettes mit einem an der Frontseite des Geld¬ spielgerätes angeordneten rouletteartigen Zahlenkessel und Setztastenfeld, bei dem der Spieler die Höhe des Spieleinsatzes durch Einwurf von Münzen und anschlie߬ ende Tastenwahl festlegt und dann ein Mikroprozessor mittels eines Zufallsalgorithmus das Spielergebnis ermittelt und, wenn eine gesetzte Zahl getroffen wur¬ de, die Münzausgabeeinheit zum Auswerfen des Hauptge- winns ansteuert, dadurch gekennzeichnet, daß bei einem Treffer einer gesetzten Zahl von dem Mikroprozessor ein weiterer Prozessor mit einem Zufallsgenerator angesteuert wird, daß dieser Zufallsgenerator in Ab¬ hängigkeit von einem eingelesenen Algorithmus einen Gewinnmultiplikator ermittelt und mit der Höhe des1. Method for operating a gaming machine in the manner of a roulette with a roulette-like number kettle and betting keypad arranged on the front of the gaming machine, in which the player determines the amount of the gaming bet by inserting coins and then selecting a button and then a microprocessor by means of a Random algorithm determines the result of the game and, if a set number has been hit, controls the coin dispensing unit to eject the main prize, characterized in that if a set number is hit, the microprocessor controls a further processor with a random number generator, that this random number generator as a function of a read algorithm, a profit multiplier is determined and with the amount of the
Spieleinsatzes auf die getroffene Zahl multipliziert und dann die Auswahleinheit zur Ausgabe einer Anzahl Münzen ansteuert, deren Menge dem Produkt aus dem Spieleinsatz auf die getroffene Zahl und dem Gewinn- multiplikator entspricht.Game bet multiplied by the number hit and then the selection unit controls to issue a number of coins, the amount of which corresponds to the product of the game bet on the number hit and the profit multiplier.
2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß der Mikroprozessor einen 33 Bit-Prozessor ansteuert.2. The method according to claim 1, characterized in that the microprocessor controls a 33 bit processor.
3. Verfahren nach Anspruch 1 und 2, dadurch gekennzeich¬ net, daß das den Gewinnmultiplikator darstellende Signal einer Risikoschaltung zugeführt wird.3. The method according to claim 1 and 2, characterized gekennzeich¬ net that the signal representing the profit multiplier is fed to a risk circuit.
4. Geldspielgerat nach einem der Ansprüche 1 bis 3, da- durch gekennzeichnet, daß der Mikroprozessor mit einem weiteren Prozessor mit Zufallsgenerator verbunden ist, der bei einem Treffer einer gesetzten Zahl ansteuerbar ist und der r,it der Auszahleinheit verbunden ist.4. Gambling device according to one of claims 1 to 3, characterized in that the microprocessor is connected to a further processor with a random number generator which can be controlled when a number is hit and which is connected to the payment unit.
5. Geldspielgerat nach Anspruch 4, dadurch gekennzeich¬ net, daß der weitere Prozessor als 33 Bit-Prozessor ausσebildet ist. 5. Gambling device according to claim 4, characterized in that the further processor is designed as a 33-bit processor.
6. Geldspielgerat nach Anspruch 4 und 5, dadurch gekenn¬ zeichnet, daß der weitere Prozessor als Zufallsgene¬ rator ausgebildet ist. 6. Gambling device according to claim 4 and 5, characterized gekenn¬ characterized in that the further processor is designed as a random generator.
EP91909052A 1990-05-07 1991-05-07 Roulette-type slot machine Expired - Lifetime EP0480013B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4014477 1990-05-07
DE19904014477 DE4014477A1 (en) 1990-01-22 1990-05-07 Roulette type games machine - has microprocessor controller allowing jack-pot game odds to be varied
PCT/EP1991/000856 WO1991017529A1 (en) 1990-05-07 1991-05-07 Roulette-type slot machine

Publications (2)

Publication Number Publication Date
EP0480013A1 true EP0480013A1 (en) 1992-04-15
EP0480013B1 EP0480013B1 (en) 1995-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91909052A Expired - Lifetime EP0480013B1 (en) 1990-05-07 1991-05-07 Roulette-type slot machine

Country Status (6)

Country Link
US (1) US5259616A (en)
EP (1) EP0480013B1 (en)
AT (1) ATE126377T1 (en)
DE (1) DE59106208D1 (en)
ES (1) ES2077851T3 (en)
WO (1) WO1991017529A1 (en)

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US5259616A (en) 1993-11-09
WO1991017529A1 (en) 1991-11-14
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EP0480013B1 (en) 1995-08-09
ATE126377T1 (en) 1995-08-15
DE59106208D1 (en) 1995-09-14

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