![]() Method of playing a modified twenty-one card game
专利摘要:
Disclosed is a method for playing a modified form of "twenty-one" using one or more standard 52-card decks. The rules of the game are varied to increase the excitement of the game. Afull table of hands would be dealt regardless of the number of players at the table, and each player could wager upon and independently play each hand on the table. Predetermined house rules of twenty-one could be applied to the play of each hand wagered upon by each player. In accordance with the present invention, player interest could be increased because of the number of hands which could potentially be played. The game could be implemented in live table game or electronic format. 公开号:CA2362007A1 申请号:C2362007 申请日:2001-11-13 公开日:2002-05-13 发明作者:Gordon Graff 申请人:Gordon Graff; IPC主号:A63F1-00
专利说明:
[1" class="description-paragraph] g&x sse-o2-o3 page 2 a.~'x"HOL OF pl~AYINC~ A MoDIFI~~ 7C-ONE C~rRD GAafE This invention is in the field of game systems and methods for s playing the casino card game known as blackjack, casino tv~cnty-one or simpJ.y twenty-one . HAGKC~ROQNDi0 Th~ card game twezaty-orte or blackjack is a popular casino card game, invo7.vizlg betting. The basic object of the game is to obtain a combined card count which beats the card count of the dettlor without goixy over twenty-one. The game is played with is one or more common card dCOks. MultiplC decks can be combined together if mare than one deck ss used. In the conventional game of blackjack, the dealer initially deals two cards to each player and to the dealer. The cards ao are dealt orm at a time arousad the table, and the two initial cards which are dealt t4 the players are either dealt both.face down or both face up, dependent upon local casino rules. F&K 95B-02-03 ~'he dealer receives one initia2 card face up arid the other initial card face dawn. these are sometimes referred to as the °up card" and "hole card", respectively. The game is s generally played on a card table allowing for the play of seven hands at one time against. the dealer. Each "square" or player position can be occupied by a di~fererlt player, or in certain circumstances one player may sit centrally and play .hands on more than one square. Initial wagers are placed on each square in play before the first two cards are dealt. After the first two cards of each hind are dealt out, each player is offered a variety of options with respect to each hand, including standing, is hitt~.ng, splitting and doubling down. The player directs the dealer to deal zero, one or more additional cards to their respective hand- l~gain, local casino rules and limits of betting vary between establ,ishmerits.ao If a blackjack player stands with cards totalling twenty-one or less, he is still in the game and the next player then makes similar deCisiQna about betting and additional cards with respect to their hand or hands. If a player's hared F&K 958-02-03 exceeds twenty-one, then the player lasts that hand and their wager. once each player or each sqttarc has been played, the dealer then plays last and is instructed by the house to hold wh~n a certain count is achieved, typically i~ or higher. Despite its popularity, one of the problems associated with blackjack as a casino game is that the game, in eextain circumstances, loses interest for players beoause of the amount of time involved in playing each hand or round. For zo example, where a table is filled with seven players each playing their own individual hand, the game may really only held the interest of each player for 1/7 of the time for the playing of each total hand. This is contrary to other casino games, such as roulette or slot machines, where there is is ongoing interest for each player.various attempts have been made over the years to enhance the play Gf twenty-Q~e, or blaekjac~. Hpwever, all of these prior -art attempts at making the game of twenty-one interesting and ao challenging have not been entirely successful. There is still a strong interest in game concepts that create real excitement. ~&x sss-oa-o~SV7l~RY OF TF~ INVBNTIOkIIt is the object of the present invention Go provide a s modif~.ed game of twenty-one, or blackjack, for play by number of players in either a traditional table format ar alternatively in a modified electronic and/or physical format.The rules of the method of the present invention are changed to allow for added excitement for players as well as to io sim lif the administration of the p y game, particularly in an electronic embodiment, for the dealer. The invention, a method of ~alaying a modified twenty-one card game between at least one player arid a dealer, is played as sa follows. At least one deck of playing cards is used and a fixed number of hands will be dealt regardless of the number of players. Each playor can play any number of t.k~ose hands regardless of the number of players involved and independent from the other players. The play comprises each player so placing a wager in xespect of one or more of the hands to be des.lt, and after the wagers are planed iriit~.ally dealing twa cards to each said hand and then deal two cards to the dealer Go form the dealer hand. Each player is allowed to i P&K 958-02-03 sequentially complete each remaining hand upon which they have wagered and are playing by electing to receive additional .cards in respect of each said hand, until all players elect to rec~ive no further cards in respect of any hands being s completed by them. Once each player has completed all of the hands in respect of Hthich they have placed wagers, the final dealer hand Count is determined, follow ng standard predetermined house rules o~ twenty-one; and thex~ in respect of each wag~r placed on a k~a~Cld completed by a player, in ip conjunction with the determined final dealer has"rd count, the standard predetermined house rules of twenty-one are used to determine which wagers are winn~rs or forfeits ~or ally player in respect of each hand completed and if a k~and as completed by a player beats the dealer, the player is rewtirdCd ss responsive to that wager in accordance with the house xwles. It might ba the case that any player could places wagers on any number of the k~ands to be dealt, or alternatively might be required to place wagers orr all hands. Each player would only ao be able to play or complete the hazxds in respect of which they had placed a wager. Beyond the base embod~,ment of the invention where each player r F&K 958-02-03 page '7 was allowed to hit and complete each hand independently of the others, ari added degree of competition could be added to the .game by incorporat~,xlg the concept of a common pool of hit cards. This would comprise the playing of a modified twerWy s one card game between at least one player and a dealer using at. least one deck of playing cards wherein a fixed number of hands would be dealt regardl~ss of the number of players, and wherein each player could play any number of hands regardless of the numbtr of player and independent of all other players, ~.o using the game method comprising placing a wager in respect of one or more said harids to be dealt, and then initially dealixLg two cards to each hand and dealing a hand of cards to the dealer to form a dealer hand, in accordar~ce with the standard predetv!rm~.riCd h4use z'ulee of twenty-one. Once the dealer hand is is formed, by likely dealing two cards to the dealer hand or whatever other fxtshion is c4ntemplated by the local standard predetermined house rules of twenty-one, players would be v allowed to complete each remaining hand on which they have -wagered, which are each incomplete hand, wherein the ao incomplete hands are to be completed in sequence first to last dealt, in x~t least Qz~e hitting round as follows: -a) allowing each player to elect an incomplete hand in sequence from first to last dealt. if any, to which F&K 958-02-03 they wish to receive the next card to be dealt, any incomplete hand iri the sequarice before said elected .incomplete hand becoming incomplete hands which had been out of play;s 1~) once all players have made an election as to if or to which irlcompletc hand to recei7re the next card to be dealt, dealing a common hit card to a community card pool;a) applying said common hit card to the numerical count o~ the incomplete hand elected to rccGi~re said common hit card by any players who elected to receive same; and d) repeating additional hitting rounds until there are no ~urther incomplete hands_ 4nCe all haxlds were completed, again a final dealer hand count ao would be determined in ~iCCOrdance with the standard predetermined house rules of twenty-one in respect of each wager placed on a hand completed by a player it would be determined whethtr or not that hand as completed by the player F&K 95$02~p~ beat the dealer, and if so the player would be played out -r responsive to the wager and in accordance with the local .rules.a The common hit cards might be dealt directly from the shoe or deck to the table as required, or alternatively might be dealt face down to a community card pool following the forming of the dealer hand and then the dealing of a common hit card -duxing a hitting round would constitute turning over the next io face down common hit card in said community card pool. Many local rules of twenty-one, including the allowance of a ~~double down, ~split~ ar the like would be accommodated by the method of the present invention.1'S The dealer hand in the final dealer hand count would, be determined by dealing additional cards to the h~end from the v desk. Different cards might be dealt to complete the dealer hand in respect of each player or else the dealer hand might zo be completed once for application against the completed hands Qf each player. -The final dealer hand count might vary between players, and F&K 958-02-03 where common hit cards had been used the determination of the Lf~.nal dealer hand aourit co~xld comprise, in respect of each .player, applying common hit cards from the community eax~d pool to the dealer hand until no further cards are required in the s det~ltr hand, starting with the first common hit card dealt after the player in question completed all of his hands being played. _ The remainder of the attached patent specification outlines io the dEtails of the method of plaxix~g the game of twenty-one of the present invention in further specific deGtil.pE~CRTPTIBN d1~' THS DRANINGS:is while the irrwention is claimed in the concluding portions hereof, preferred embodiments are provided in the accompanying detailed description ~rhich may be bast understood in conjunction with the accompanying diagrams wl~exe like parts ~.n each of the several diagrams are labeled with like numbers, ao arid where: Figure 1 is a demonstration of aria embodiment of a card table for playing the modified twenty-anG game of the F&IC 958-02-03 present invention; Figure 2 is a table showing a simulated data set for the play of a round of one embodiment of the game of the s present invention; Figure 3 shows one embodiment o~ an apparatuss for the play of a modified live and electronic embodiment of the present invention s.o Figure 4 shows an example of the display on a player terminal of one embodiment of the present invention; Figure 5 shows an example of the display on a dealer is computer of one embodiment of the present invention. DETAILED DESCRIPTION OF TIiF =LLZISTRATBD ~DID~BNT$:~o The Qresent invention is directed to a method of playing a variation of the game of "twenty-one" or °blackjack°, wherein each player is given the opportunity to wager on and play oz~e c R&K 958-02-03 Page 2z or more hands in a playing round, along with other players who r are also each able to wager on and play one or more hands in the playing round. while each player can feasibly or potentially play all handy an the table, the players would be s able to wager independently and play each hand independently of the other players on the table. .. Eaeh player might play all of the hands on the table, or alternatively might be allowed to select a plurality of the ~o hands to be dealt upon which to wager and upon which to play_ It will be understand that in some situations the house may desixe each player to play all hands on the table, or alternatively they may wish to add the additional flexibility to the game whereby players could chose a plurality of hands xs to be played which could be equal to or less than the total fixed number of hands being dealt. In yet another variation on thzs aspect of the game, the house might allow players,ta only play a maximum number of hands an the table less than the total number of hands being dealt. In any event, it will be ao understood that all such variations are contemplated within the scope of the present invention. All hands played by a player of the game of the present F&K 958-02-03 Pag'G 13 invention, upon which they have wagered, can be played in accordance with the normal ar conventional rules of the game .of twenty-one pf the house in which the game is being played. It will be understood that within the scope of the claims of s the present invention, the method a~ play of the twenty-one game of the present invention can be modified to conform to local casino rules. For example, some casinos in their _ standard predetermined rules of play for twenty-one allow a p1$yer to "double dawn" if he is holding a t,atal number count ,=pt ten pr eleven. The player may double his original wager in respect of that hand and take only a single additional hit. The p~,ayer in that case is not allowed to take additional hits in order to increase the final number count of that hand, but if the player's final number count is closer to twenty-One ~s than that of the dealer' s hand he wins the tot~xl amount wagered. Other vexsions of the eonventi.onal ales of twenty_ one include "insurance" wherein a player can make an insurance v bet if the face card of thG dealer's hand is an ace. If the dealer's hand reaches the number count of twenty-one With his ao first two cards, the player would lose his initial wager on that hand, uxllese the player also has a natural twenty-Qr~e, ' but would also receive a payout based on the amount of the insurance bet. These and other variations are generally F&K 958-02-03 accepted i7c7v pJ.aying conventional casino twenty-one in order to i make the game more exciting and seemingly more attractive from a payout standpoint to the player. It will be understood that all such modifications could be accommodated within the rules a of thG present gave and method proposed hereixa, axxd, as such, are al9o eQx~templated within the scope of the present invention. It will be understood that there are other embodiments of tha is method of play of the present invention which, although in accordance wa.th the general object of the invention, namely to allow for each player in a blackjack game to ind~pGrrdently play each hand on the table at the same time as other players, one such embodiment which is contemplated is to create a pool is of common cards from which hits on hands will be taken, and the same cards applied to the hands as played by different players, in accordance with their elections for additional v cards v~ithin a aeries of hitting rounds. The details of that partiCLtlar embodiment are as follows_ In a basic embodiment, the modified method of the present invention would be as follows. For the sake of illustration, this particular embodiment will be discus~scd in the content of F&K 958-02-03 a live table game, alt~nough as will be further outlined below .the game can also be played in a combined physical rind cZectranic format or as an electronic game alone. In the physical embodiment of the live table game of the present s invention, there would be a playing surface on which a number of playing po9itiori9 would be defined for a fixed number of hands of cards which would be played regardless of thG number of players on the table_ Far escample, it is standard for casinos to play with a seven-square blackjack table arid, as is such, the fixed number of hands to be played might be seven. It will be understood that this number could b~ varied and any Fixed number of hands is contarnplated within the a~cope of the present invention.is The concept of the game is that each player wishing to play could wz~ger upar~ and play up to all of the hands on the table. If the number of players allowed to play or playing in this v particular embodiment is seven, which would correspond to the number of squares on the staxl~lard blackjack table, and if each player chose to play all hands on the table, this increases the number of bets from seven to 49. Physically, these wagers might be placed on a series of wager areas defined on the playing surface. For ~xample, if it was determined that the P'&K 95B-02-D3 maximum number of players who would be allowed or1 a table waS Fseven, a series of seven Dolour-coded betting areas could be placed on the playing surface alongside each playing position and each player could than be assigned a colour and could s place their wagers on the corresponding coloured betting area for the hands which they wish to play. Each betting ar~sa could have space therein for the addition of cards if the hand ' is hit by the player in playing that hand.r.io In accordance with the wagers placed by players in advance of the deal, if any player hands dealt by the dealer are a blackjack and would normally be paid out uzader conventional twenty-one rules, each player will be paid out in respect of their wagers and the local house rules. Then in respect of s,s all of the remaining hands on the table, each player who wagered on each of said hands will be allowed to complete that hand independently by hitting, in accordance with cox~ventiorral v y-u~,es _ 'fhe p~,ayer could elect to receive additional cards in respect of the hand in accordance with the standard so predetermined house rules of twenty-one, and each player will then play up to and including the complete number of hands dealt by the dealer if a wager was placed on all hands. Once each player has completed each hand on which they have wagered ' F&K 958-02-03 in the fashion that they wish, the final dealer hand count f.will be finalized, again using the standard predetermined house rules of twenty-one, and it can thcrr be determined whether or not each player has beat the dealer witk~ respect t4 s each hand wagered upon and played by the player, and if so the player can be paid out in relation to their wager on said hand.As mentioned above, each player m~.ght play all of the hands to io be dealt by the dealer, or alternatively raight select a plurality of the hands det~lt to play, but. would need to choose which hands would be played in advance o~ the deali7rxg of the cards. The player could place wagers onJ.y in respect of those hn,ttds selected to be played and it will bs uridCrstood that in is some situatxotzs the house may desire each p7.ayer to play all hands on the table, or alternatively they m$y wish to add this additional flex~.bility to the game whereby playexs cou~.d =choose a plurality Qf hands to be played, less than the total fixed number of hands being dealt. It will be understood that au both such embodiments are contemplated within the scope of the presex~t invention. It might also, in certain circumstances, be possible that the F&K 95B-02-03 Page I$casino wishes to restrict the total number of hands upon which Ywager$ could be placed by each player to a number somewhere .below the total number of hands being dealt. For example, in a certain casino it might be the local rule that no player can s play more than three hands at once- This rule could be put in place in the modified mothod of the prGxent invention as well, and the advantage o~ the game of tlne present invention would remain -- that is to say that even though CaCh player Could nOt play each of the seven hands on the table, for example, each :o player, and there may be eight, players, could play thrCe hands on the table. This results in a ts~tal of 24 wagers instead pf a total of seven wagers, which has the potential to inoreas$the take for the house as well as increaa~ing the ~,x~terest level for the players on the table.is One or more standard playing card decks could lae used in playing the game. Obviously, in the case where a large number v of players were each playing a large number of hands, it would be necessary to use a shoe of more than one deck of cards to as ensure that there were enough cards shuffled t4 complete a playing xound- rn any event, the use of any number of decks of playing cards dr simulated decks of playing cards in the case of an electronic game, is contemplated within the scope F&K 958-02-03 of the present invention as well.pnce the players wisl~i~ng to participate in a playing round of the game have selected the hands which they wish to play and a planed their wagers, the dealer can proceed to deal the cards. The dealing of the cards would be in accordance with the local rules of twe~xty-one, whereby each of the hands on the table as well as the dealer's hand is dealt two cards, and in moat situations both at~rds in each player hand are exposed and only ,=so the first card ~.n the dealer's hand is shown to the players on the table. The present invention allows each player who wishes to do so to wager upon and play each hand on the blackjack table is independently of all other players, who might also play the same hand, but in a diffexexot fashion. Once the hands have been dealt to the table, the play is as follows. Firstly, and again subject to variation by local house rules of twentx--one, the dealer could pay out any wagers that were made on hands xo having been dealt as blackjacks. That is to say whore the total number GOUnt of the initial two cards in any player hand ' ~e twenty-one a blackjack payout is made to anyone having wagered on that hand, such gayout being calculated on the g&x sse-oa-a3 gage ao basis of the amount of their wager, and that hand is then taken dut of play for the remainder of the playing round. The .amount paid for a blackjack might vary from casino to casirio, bttt again it will be understood that this aspect of the game s can be modified in accordance with local house rules without departing from the scope and intent of the claimed invention herein. _ Each player is allowed t4 independently play each hand upon io which they have placed a wager. In the examplC above where there was a series of coloured wager axeas w~.th xQQm for hit, cards at each playing position on the table (a total Of 49 wager areas in the e~sample of a f ixed number of seven k~a~;ds being dealt and a maximum of seven players being allowed on is the table at one time). In accordance with local house rules of twenty-one, each player would be allowed to elect to hit each hared a7n~ which th~y had wagered, or to not receive an addit~.ønal card in respect of that hand. .~s well, it will be understood that, as outlined above, double dawns, splits, ac insurance bets or othex lQCa1 variat.iQns or side games could be accommodated within the present invention anc'i might be allowed to be placed by each player in respect of each hand upon Which they had wagered. Once each player was given the k'&K ~5$-02-03 opportunity to elect whether or not to receive another card in f.reagent df each hand upon which they had wagered, which cards when dealt would be ~.n this physical emlavdimcnt dealt into the wager area corresponding to that player for th~ hand on which s the hit was to be placed, additional hitting rounds could take place where players could elect to receive additional cards in respGCt of each hand which they were playing until they either "bust" - where the total number count of their hand being played exceeds twenty-one - or they are xeady to stand or take ,_ 18 no further Cards and wait for the dealer to finish out the playing round.once the players on the table have all elected to stand arid receive no furthex cards with respect to any remaining hands is which they had in play, the dialer would then flnlsh out the dealer's hand and the total numerical count of the dealer's hand would be calculated. Haled on the total numerical count of the dealer's hand, the as status of each wager and hand played by each player would be assessed. Tf the total, r~umex~.cal court for eack~ hand as played out by a player exceeded the numerical count of Ghe dealer hand or was Qtherwise classed as a win in accordance f&~G 958-0~-03 with local house rules of twenty-one, the player would be paid rout in accordance with that hand and the wager which they had .placed. If the total numerical count of the dealer hand exceeded the numerical count of a hand as completed by a s player with respect to a wager, the player would lose that wagered hand and the wager would be forfeited to the house. To demonstrate the physical apparatus which might be used to play the modified twenty-oz~e game of the pxesezat invention. t io the reader is referred to Figure 1. Figure 1 shows one sample of an embodiment of a blackjack table (11} on which the present game could be played. For the sake of k~eping the drawing simple, tha parameters of that game are as follows. Atotal of seven hands would be played on the table in any one is playing round and, for the purposes of illustration, up to four players could play on the table at any one time resulting its the placement of four betting areas (13} at each play position or square (12}_ In the embodiment shown in Figure 1, the play positions or squares (1z} are numbered from 1 to 7 ~a showing the seven hands which wQUld be played ~.n xespect of a game. Tt will be understood that the number of betting areas or maximum number, of players allowed to glay could be varied within the scope of the present invention. F&K 958-02-03 a As shown ~.n this figure, the following are the wager and play ..choices made by the four pl$yers A, 8, C and a. Bets are shown in place for Player A on all seven hands, PJ.ayex B has s chosen to play only hands 2 and 7, Player C has chosen to play hands 1 through 4 and Player n is playing hawds 3, 6 amd 7. Placement of bets by the four players for the hands is demonstrated in this drawing by placement of the player's ..respective J.ett.er in the circle of the betting area (13) in io question. Additional hit cards taken by Slayer A with respect to Fund 1 would be dealt into ~et.ting Area 1A, additional cards taken by Player A with respect to the second hazsd ors the table would be xs dealt into Betting Area 2A, and, so on with respect tQ all wagers placed and hands to b~ played by e~eCh pl$yer 6n the table. The total numerical hand count of each hand asp glayed by each player would then be taken by adding the numerical count of the two initial cards in th~ hand with the cards 2o coritttined within a particular betting area. The dealer's hand would be dealt out in conventional fashion to a position such as shown at (14). F&K 98$-02-03 i.varir~us options are available in tcrrns of the hit cardB being ' .dealt out. In one instance all of the cards could be dealt out as needed and them after play would be gathered up acrd s discarded. The remainix~.g cards in the shoe could either be simply used in another playing round, removed and cut by a player and returned to the shoe, or reshuffled along with all of the discards . Tt will be understood thtW ally method of treatment of discards as well as of shufflix~g or preparing the io cards fox play is contemplated within the scope of tht prCSent invention. While the rules of the present invention could be practiced in the form 4f a live table game, it will be understood that th~is game could also be practiced electronically or in some combination thereof. The complexities of the snoring method of the tracking of wt~gers in the method of the present =ir~,ve7r~tion lend themselves to practical g the invention either i~ the form of a modified live t~blc game with a computer ao terminal for the players and/or the dealer, ax' in the form of an individual or networked computer game where the method of play would be conducted Cntirely electronically with a simulated deck of cards, it wild, be understood to be F&K 9S$-02-03 contemplated within the scope of the present invention. A second embodiment of the playing method of the present invention is contemplated which accomplishes the same object a of allowir~g all players to independently play up to and including all hands on the table, but with an added degree of complexity insofar as the concept of common hit cards is introduced to the game_ In this type of an embodiment, cards dealt from the deck would be applied to one hand of each ,:io player still in the game electing to receive additional cards in respect of a hand being played by them. The basic concept of the addition of common hit cards which would be applied to the hands as played by each player in accordance with their elections to recei~re or not receive additional cards would operate appro~i.mately as follows. Similar to the first embodiment outlined above, there would be v a fixed number of hands which would bm dealt regardless of the number of players in the game. Again, since most casinos use so a blackjack table with seven positions thereon, for the sake of illustration we will use a fixed number of seven hands on the playing table or in the playing round, although it will again be understood that other numbers of hands could also be F&K 958-02-03 used and are all contemplated w~,~.hixl the ~cQpe Qf the present .invention. Again, as in the case of the first embodiment illustrated s above, each player would be allowed to place a wager an and play any of the hands ox1 the table, within whatever restrictions or parameters ar~ set on that by local house rules of twenty-one. Whether the game were being played in a physical table game embodiment, with betting areas for each io player at each play position, or in sonic type of modified or completely electronic format, players would place wagers on ~rhatever hands they wish to play in advance of any cards being dealt to the table_ Once all players have placed all of their desired wagers, the cards could be dealt. Following placement of wagers, the next step would be to deal out the fixed number of twenty-ane hands as well as the dealer v hand, in accordar~ce with the house rules of twenty-one. As in the case of the embodiment outJ.ixzed above, it would likely tae ~o the case that only one of the dealer's two cards would be showilig, with both cards of each play hand showing, but that as well might be modified in accordance with local custom or tradition. It is at this point that the pool o~ commori hit ' f&K 958-02-03 cards comes into play.f Players would Complete any remaining hands which they had wagered upon and were playing in a plurality of hitting s rounds. A hitting round would consist of each player still in the game electing which hand, if any, th~lt they are playing should receive the next card dealt. For example, two players each playing four hands might elect to rccei~re cards differently insofar as the first player might wish to hit the ;.xo first hated, whereas the second player might wish to stay on the first two hands arid hit the third_ The next card dealt from the deck would then be applied to the scoring of the first hand of the first player and~the scoring of the third hand of the secozad player. Additional hitting rounds would take place until all of the players had gone through all of the hands being played as many times as necessary until they chose not to reoeive any cards in respect of any hands. At that point, the scoring could be calculated and payouts made , or wagexs defaulted to the house. In each hitting round, each player would need to make an election as to where, if anywhere, to receive the next card from the dtck in advance of that card being dealt_ Then the F&K 858-02-03 single card could be dealt and play would cox~G~.nue With additional hitting rounds. These common hit cards required in the hitting rounds might be s dealt ;From tha d~c1c ar shoe as rec~z~.red, or altcrrratively there might be a plurality of common hit oards dealt faoe down to a pooled common area in advance of commencement of the first hitting round, ie. after the dealing of the player and dealer hands. For example, 4D common hit cards might be dealt ~.o to a common pool area, face down, in advance of the commencement of any hitting rounds and then as the hitting rounds took place and elections were made to receive additional cards, the requisite numbers of hit cards would be overturned in the common pool area to be face up. If i5 additioxxal common hit cards were required to complete the playing round, they could be dealt out from the shoe if required, but ~.f not all of the common hit cards which had been dealt out face down to this comrnan pool area were used in a particular round of the game of the present invention those cards could all be discazded, including both the face up cards as well as the face down cards which had not been used. This introducC9 an additional level of complexity to the game ae well insofar as it makes it more difficult for a player to E'&K 958-92-93 count cards, since cards fxam the shoe may be discarded without being Shown-Due to the added Complexity of the scoring of the common hit s card embodiment of the prtsent invention, the particular method of play lends itself either to play as an individual ox networked computer game, with the dealing of cards being simulated ire a fully electronic fash~.on, or as a modified table game where a dealer could still physically deal the y io cards but enter the particulars of the caxds dealt into a computer and players could use terminals to make their wagers in respect of hands to be played as well as to make their indications as to whether or not they wish to receive additional cards with respect to any hand they were playing_ is This modified computer approach would allow far quick and simple scorekeeping and wager payouts, requiring the dea~~.er only to enter into the computer system the cards which had beezl dealt, and the identification of any common hit cards .overturned. This could significantly speed up the play of the ao game as well as enable people who were of the r~.ght character to foster a lively table game to deal such a game where they ' were not quick enough w~.th math to rapidly calculate all of the num aers of wagers and hands on the table. F&x see-o2-o3 page ~0 Y Turning to Figure ~, which demonstrates the play of a playing _ rQUnd of the method of the present invention in accordance with this second embodimCrit - ie. using common hit cards in a a pool, that particular figure shows play of a round with seven hands and thrte players. In the particular Base of Figure 2, each player has elected to play each of the seven hands in question. As such, the figure so is laid out as a matrix. Tt can be seen in the dealer column of that chart that the first card, namely a 9, is shown at the beginning of play of the round, and the second card, namely a 5, is not shown until the end of play. The seven hands dealt are a soft 17, 12. 16, 10 (pair of fiver), 1~ (pair of is sevens), 19 (soft), attd a 20 Consisting of a king and a queen_ ~aCh Qf the three players will he free to play each of these hands iri their Own fashion upon placing a wager on each hand, -which is the case in this simulation since Gach of the three players is playing all seven hands. The simulation of a round of play of the game of the pres~nt invention in aCCOrdance with the table 4f Figure 2 would go as follows. Iri the first row of the matrix, the dealer has taken F6~K 958-02-03 ce,rds out in th'e following order: 6 of hearts to Square l, 8 of clubs to square 2, l0 of xearta to Square 3, 5 of Spadts to . Square 4, 7 of Clubs to Square 5, Ace of Spades to Square 6 and the King of Diamonds to square 7. These cards are dealt s face up. The n~xt card is the dealer's f~.rst card and it is dealt face down. Tn the second row of the matrix, the hands are completed. The next cards out of the shoe are the second cards to be dealt to io each square, face up, starting at the first square and ending up at the seventh square. They are the Ace of Diamonds, 3 of Spades. 6 of ~iearts, 5 of Hearts, 7 of Spades, 8 of Diamonds, and the Queen of Spades. Fix~ally, the dealer's second card (whole card) is dealt face down_ The dealer then will turn is over his first (up) card arid shave the players. =n this case it is the 9 of Diamorid~. and this is shown in the third row of the matrix of Figure 2. In a modified electronic game where v the dealer was still physically dealix~g caxds tQ the hands lout computer terminals were used to assist in wagering and scaring ao as well as obtaining elections of players in the hitting rounds as to where to receive the next card, the dealer could now enter all of the cards dealt into a dealer computer, irr the order that they appear on the table, and the cards could f&K 958-82-03 then be transferred ~r~.a a software to the player termixzals where players could now make elevtioxzs as to how to play the hands upon which they had wagered, starting at Square 1. The fourth raw of the matrix of Figure 2 shows the opening totals s for the t,wQ aarda dealt to each hand/square. Rows 5 and 6 ~f the ~ria.tx'ix demonstrate the play of the first hitting round by tha three players. As outlined above, the three players have each wagered on alb. seven hand$ Qn the io table. In this particular case, Plaeyer 1 chooses to stay on the first hand and double down on the second hand. Rs such, they elect to receive the first card on the second hand being played by them. As shown" the second player chQOSes t4 double dawn on the first hand and the third player chooses to tak~ a ss hit on the first hand. Aa such, the players have elected to receive the next card to be dealt in respect of the second, first and first hands respectively. =t is important to note -that Qx~ly after each player has decided where the next card is to be played in respect of the remaining hands being played by zo them, then and only then will the dea~.ex~ actually deal the next card and show it. As shown in Row 6, the first common hit card from the shoe is the 5 of Clubs, which could be placed on the table in a community card position or otherwise F&K 958-02-03 monitored, zt could also be entered into the dealer's computer system if the game was being played with computer assistance arid that could also be reflected on any player computer terminals being used i.n a particular embodiment Qf s the game of the present invention as wall. Rows 7 and 8 of the matrix demonstrate the next hitting round. Player 1 elects to take a card at the third hand, whereas Playex 2 elects to double down at the second hand and Player 3 ;.zo elects to receive another card on the ~irst hand. once these three elections are made, the next common hit card is taken from the shoe, which in this case is the Jack of Diamonds.4~lith the two community cards dealt so far, namely the 5 and the Jack, the scores for each player for each hand can be is updaCed. In th~.s particular cafe, with those two common hit cards having b~en dealt, Player 1 has busted on the third hand with a total of 26. That hand would then be out of play. Player 2, playing the second hand, as a total of 21; and Player 3 has a total of 22 on Square 1, which results in that a~ hand being busted and the player automatically being required to move on to the next playable hand, irr this case Hand 2, in the next hitting round. F&K 958-02-D3 Rows 9 arid 10 of the table in Figure 2 demonstrate the next r hitting xound in which player 1 elects to double down and receive the next card on Square 4, Player 2 clccts to take the next card on Square 2 and Player 3 elects to double down and a take the next Gerd on Square 1. The next card dealt in this CaSC as a COmmo~ hit card is the Ace of Diamonds. Again, the individual players numeric counts on the hands as being played by them could be updated With this information.io Turning to Rows 11 and 12 on the next hitting rourxd, Player 1 elects to split Square 5, and Players 2 and 3 each elect to receive their next card on the fourth hand. The next common hit card is the 5 of Hearts, which again could be placed into an area on the actual playing table and/or entered into the 2s electronic scoring system. Using the community cards dealt so far in this round, namely a s, hack, Acc and 6, the scoring of the three players would be updated aS fOllowB- The 6 of Hearts dealt in this hitting 2o round would be applied to the first split han$ being played by Player Z, leaving a still playable hand. Each of Players 2 and 3 elected to double down and receive a card in respect of the fourth square, so the scores for Players 2 and 3 each an the fourth hand would be the same. Rows 23 and 1.4 of the table shaw the next hitting round. Player 1 chooses to rece~,ve his next Gard in respect of the first split hand off of Hand 5, whereas Player 2 ~lt~tS to recc~.vG his next card in respect of Square 5 and the third playex elects to also receive his next card on Hand 5, which he has elected to split. the next common hit card dealt is the B of GJ.ubs, which results in the following updates to the io scoring for ez~ch player. Player 1 had played that card to th~first split hand on Hand 5, which now totals 21. Player 2, playing Hand 5, has a numerical hand count of 2z which results in a bust and a, forfeiture of the wager on that particular hand to the house. Player 3, playing the first split hand an xs Square 5, is still playable. Lines s5 and 16 show the zzext kzitGing round. Player 2, v playing the second split hand on th~ fifth square, has no choice but to take another card. This could either be elected ao manually or could be elected automatically in the case of an electronic snoring system. Player 2 chooses to stay on both Hands 6 and ~, so they will now wait until the other players are fa.nished before the total round of the game completes ' F&K 958-02-03 page 36 itself. The active players remaining i~a the game at that point are p~,a~s~rs 1 and 3 and, as suoh, no further election cards will be roquircd to be made by Player 2.s player 3, who had preWouely split Hand 5, elects to receive a card in respect of the first split hard Qf Sguare 5. with eleGtioxls having been made by Players 1 and 3, still in tht~game, the next common hit card is dealt which in this case is the 14 of Diamonds. Applying this caxd to the second split t is hand on Square 5 being played by Player 1 yields a still playable hand, whereas applying this card to the first split hand on Squar~ 5 bring played by Player 3 exceeds 21, and play is therefore automatically transferred to the second split hand of Square 5 for the next hitting round. Rows 1.7 and 1.8 demonstr$te the next hitting round in which Player 1 elects to stay oz~ all remaining hands and, as such, any remaining common hit cards dealt will not be applied to the hands as scored in favour of Player 1. Playex 3, ~ala~ring zo the second spl~,t hand an Square 5, is required to take another card on this hand and this elect can again, as outlined above, bC made either manually or automatically. The next common hit card dea.~.t in this hitting round is the 2 of Hearts. Applying ~'&~ 958-42-03 this card to only the second split hand of square 5 axx behalf of Playex 3 yields a still playable hand, wkx~.ch, in the next.hitt~.xlg round outlined in Lines 19 and 20 of the matrix of Figure 2, is hiG again and the next common hit_card dealt is s th~ g of Clubs. ,7lpplying the 4 of Clubs to that second split hand still yields a playable hand, and in the next hitting round Player 3 elCCts to reGe~,ve the next card again against that hand. The next card dealt is the 7 a~ Di~xmar~ds which, when factored into the scoring on that sgJ.,it hazed, yields a still playable hand.the next hitting round is outlined in Lin~ 23 of the tabl~, and at that paint Player 3 elects to receive no further cards in xespect of any remaining hands in play on their behalf.~s with the players all now finished playing their round, the dealer cazl play out his hand. Subject to local k~4uee rules of twenty-one, the dealer would now expose his whol~ card, which in this case is the 5 of zo Hearts. The dealer has a total Q~ ~.4~ and in most cases.depending on the house rules, the dealer has to hit on 16 or less and stay on 17 or mare, axed the dealer would have to take another card. At this point, however, Line 2.~ in the chart F&K 958-02-03 shows the totals on the various hands of the players as played by each player. The dealer would complete his hand differently in respect of each player, namely the dealer's hand would be completed using the next common hit cards which 3 had been deaf ~xOm the deck following the players' el8ction to receive no further cards. It will be tll~derstood that the .dealer could also complete his hand fxom the deck, but this would result in the same dealer hand against each player and it is felt that the completion of the dealer hand, based on ,=io the community or common hit cards, adds yet another additional level of interest to the game. In the example of Figure 2 which hae been outlined herein, the final scoring and outcome of the game would be as follows. The total common hit cards having been dealt out were 5, Jack, Ace, 6, 8, 10, 2, 4 and 7, ss in that order. In the case of Player 1, the last common hit card used by Slayer Z was the 14 of Diamonds. With the dealer showing a hand of 14, they are obliged under the particular local rules so in play here to hit to 17 and tho dealer's next card in this case and in respect of this player would be the seventh common hit card, which was the 2 of Hearts. The dealer's total would now be 16 and he is required tv hit again, which could be the F&K 958-02-03 eighth community card, namely the 4 of Clubs. The de~ler~s total would now be 20. The following table shows the outoorne fQx~ Player 1 where they played all hands, and where the dealer total is 20:$layir 1Total of HeadStatue Hand 1 17 Lost Hand 2 16 host, F~a~n,d 3 26 8r4ka Httrid 421 Won Hand 5-Z (Split)21 Won Hand 5-2 (Split)17 Lost Hand 6 19 Lost Hand 7 20 Push zxl respect of Player 2, the last common hit card used was the B of Clubs, being the fifth common hit card. The dealer's hits then wpuld start from the sixth common hit Card, which is io the to of Diamonds. The dealer being required tb hit this card yields the dealer a total of 24 arrd the deaJ.ex has broke. TQ summarize then for Player 2, where the dealer total is 24, is the followir~g table: F&K 958-02-fl3 Player 2Total of Hand Statue Band 1 12Won Hand 2 21Won Hand 3 17Won Hand 4 16Won Hand 5 22Broke Hand 6 29Won Hand 7 20Won c player 3 last used the 7 of Diamonds, which was the ninth common hit card, shaven an Line a2 of the matrix of Figure 2. The dealer had a total of 14, but since there are no more common hit cards available at that point, he would hit from tl'7~e deck until required to stop by local rules. In .his partioulr~r simulation, we will say that the next curd taken by the dealer ~xQm the deck ie t.k~e 5 a~ Glulas yielding a dealer ..io total of 19. The following table summarizes the play of ~ Player 3: F&K 95802-03 Page std. Player~3Total of HandStatus , Hand 2 22 Hxoke Hand 2 lz Lost Hazad ~ 16 Lost T~and 4 16 Lost Hand 5-1 (Split)25 Sroke Hand 5-2 (8plit)20 WQm ' Hanoi 6 19 Push Hand 7 20 Won ' As outlined herein, there arc several physical methods in which the gams of the g~'esent invention could be.played. The first of these is as a conventional table card game. bne embodiment of a table on wk~~.ch thi$ type of a game could be played ie shown in Figure 1 and it explair~cd in furthex detail above.io Tn addition to the live table game format outlined in Figure 1, 3.t will be understood that the current game could also be played either in a compl~tely electronic format using one or more player terminals operatively connected to Qr included F&K 958-02-03 Pages 42 along with a dealer oomputer which could simulate the dealing of caxds. A completely electx4x~~.c embodiment also would sigxlificantly simplify the tracking of wagers, etc. , aild it will be understood that so long as the same type of game is s simulated thez~ein the 8lectronic r mbodiment is contemplated within the scope of the present invention. In an embodiment of the prssant irive~Yition for play in A fully electrox~ic form, where more than one p~.ayer was to play the lp game and each player was to hav~ their own player termi'rxal at which they could play same, it will be undexst~ood that the p~,ayer terminals could be operatively connected using mlumber of different computer network typologies, includ~,x~g e~,thex a local area network or even connection via the Internet in some ~.s fashion. It will be understood that any local or remote network version of the game of the present invention is contemplated within the scope hereof. Figure 3 demonstrates the apparatus for play of the game of ao the present invention in yet arrot~Zex embodiment . The ttpparatue shown there is one embodiment of th~ equipment required to play a modified live and electronic version of the game Of the present ~.xxven~.ion. The cards in that case are ga~K ass-oz-o~ still to be dealt physically by a live dealer to a card table (21), to allow for the exaitemcrst og n live table game, but each player as well as the dealer would have a computer terminal (1,5) at their disposal for carrying out various a functions of the game. For example, in the embodiment of Figure 3, eight player terminals (15) are shown, each of which _ player terminal (15) could be used by a p7.ayer to participate irr the game of the presesxt invention_ It will be understood that in addition to making wagering arid scoring easier, the c 1o use of computer terminal3s fox the players and/or the dealer wQUld also allow fox more plaeyers to play the game with the assistance of only ana dealer. For example, while limitations on the size of the table surface would limit the numbCr Of players who could play x completely live table embodiment of the game of the present invention, in this modified live tend electronic embodiment, while the table (11) may st~.7.7. ox~~.x allow for the dealing of seven hands, there could be any ' number of player termixials (15) operatively connected to the dealer terntinal and this could allow for numbers even in ao excess of 30 or 4o players to play the game with only axe dealer. This may or may not be a desirable aspect tQ all casinos, but it, is another option within the scope of the present invention allowing far lower costs to the casino F&K 958-02-D3 and/or increased revenue by allowing more players to play with , a fixed number of tables. . Each player at the~.r terminal (15) could place their wagers an s the hands to be played in advance Qf dealing, and could also use the terminal (15) to lock in their elections as to harYds an which to receive additional Garda. Figure 4 demonstrates one example of a d~.splay screen which might be used at a player terminal (15) to interact with the player and allow io them to participate in the game of the present invention. It will be understood that this screen is only illustrative of the functionality of the system of the present invention and insofar as the software on the t~rminal (15) and dealer eomQuter (16) would allow, the display screen could be i~ modified extensively for individual installations or to display different types of information.'rha player terminals, in pombination with a dealer computer, could also be responsible for calculating the scoring and/or zo payouts of wagers. when a player wishes to cash in or cash out of the table they would simply have a number of credits established on their behalf in their player terminal which could be replenished as needed, or alternatively when they 1F&FC 958-02-03 wished to oash out from the game the dealer could payout the balance of credits held on behalf of that player. The addition of the computerized scoring allows for the play pf more hands, since scorakecping tz~kes lass time, as w~11 as s allowing for a larger number of people who would otherwise not qualify as dealers far a game with complex scoring such as this to deal the game without having to worry about rapid-fire math skills either in terms of calculating hand totals or wager payouts.io In addition to the player terminals which are demonstrated in Figure 3, there is also a dealer computer (16). The dealer computer (16) would be used by the dealer to input thd contents of the physical table surface, and the dealer ~.a computer then, in combination with the player termin~xls, would also be used in the monitoring of scores and wagexs and table credits. Figure 5 demonGtratas one example of a display screen which might be used at a dealer terminal (16) allowing the dealer to enter card values and administer the play of the ao game. It will be understood that this screen is only ).~.7.ustrative of the functionality of the system rf t~'7~e pre9ent invention and insofar as the software on the terminal {15) and dealer computer (16) would allow, the display screen could be F&K 958-02-03 gage modified extensively for individual installatit~ns or td dis~slay different types of information.obviously, the software o~ the dealer computer (16) as well as s the player terminalss (15) could be vax~.ed to accurately mirror the local predetermined house rules of twenty-one in 8ach ..casiaa. Rs well, the ease of changing the xoftware if desired makes it easy to incorporate additional rule variations, w changes irr payout tables or the like. It will be understood Zo that the type of computers used as either the player termi,nale (15) or the dealer computer (16), so long as they era operatively connected to communicate with one another, are all contemplated within the scope of the present invention as well.is Yn the play Qf a rQUnd of the game of the present invention using an apparatus similar to that og Figure 3, the players w who wish to play would all be logged into the player terminals (15) and have a preJestablished number of credits at their as disposal. Then, in the example where seven hands were to be dealt to the table, each player could elect which of the seven hands they wish to play and how much they wish to wager on each hand. Once each player had locked in their wager F&x gs~-oz-o~ P~g~ 47 decisions, the dealer terminal (16) could irid~.cate to the dealer that it was okay to commence the dealing of the caxds to the t&ble. The seven hax~.ds and the dealer hand could then be dealt in accordance with the methbd outlined above, and/or a a series of aommors hit cards could be dealt face down to a common pool, if that were the method of play of that .particular embodiment of the actual card game itself. The , Gammon pool o~ hit aaxdg is shown in the embodiment of Figure 3 at (17) . f pnae the player hands and dealer hand have been dealt to tho table, the dealer could log the cards of each hand into the dealer computer (7.6). The dealer computer (r6) could then displt~y this card hand information on each player terminal ss (15). It will be understood that it would not be necessary to display the cards in an electronic format where the hands were also visible to each player at the table, but that this might provide an added level of convenience to the game.ao The computer assisted gz~me of this embodiment shows again its ease of use at this point in the round. With all of the hands having been dealt and the dealer's first card showing, each Qlayer could then make their first election as to which, if F&K 958-02-03 any, incomplete htvnd they wash to receive the next card to _ Again, the dealer terma.nal (16) could notify tht dealer at .such point as all players had made the nECessary election arid then the dealex could deal the first common hit card. The s common hit card could be er~tered into the dealer comput~r (lE), and automatically be applied to the proper player hands 3,n each player terminal (15). In terms of the repeat of ;;hitting rounds until the gamy is completed, again players Could lock in their elections of wher~ to receive Cards and zo the dealer computer (.1~) could agx~ia notify the dea~.er at such point in time as it was okay to proceed to deal the next common hit card.once all of the hands had been completed by all of the is players, tile dealer computer (16) could use the information from the player terminals (1S) as well as the contents of the hands and common hit cards on the table to automatically v calculate the payouts dr ~orfeits of any wagers by each player and automatically credit or debit those from the credit 2D balaxa,ces of each player in their particular player term~.nal (15) .~h,~s it can be seen that the invention accomplishes all of its F&K 958-02-03 stated objectives. The fQxegPing is considered as illustrative only of the prinaiplas of the inventibn. Further, since numerous changes and modifications will readily occur to those skilled in the art, it is not desired to limit s the invention to the exact construction and operation shown and described, and accordingly, all such suitable changes or modifications in structure or operation which may be resorted to are intended to fall within the scope of the claimed invention.r io
权利要求:
Claims (14) [1] 1. A method of playing a modified twenty-one card game between at least one player and a dealer, using at least one deck of playing card, wherein a fixed number of hands will be dealt regardless of the number of players and wherein each player can play any number of said hands regardless of the number of players and independent of all other players, said method comprising: a) each player placing a wager in respect of one or more of said hands to be dealt;b) initially dealing two cards to each said hand, and forming a dealer hand in accordance with predetermined house rules of twenty-one;c) allowing each player to sequentially complete each remaining hand upon which they have wagered and are playing by electing to receive additional cards in respect of each said hand, until all players elect to receive no further cards in respect of any hands being completed by them;d) determining a final dealer hand count by following standard predetermined house rules of twenty one;e) in respect of each wager placed and hand completed by a player determining, in accordance with the standard predetermined house rules of twenty-one, whether that hand ae completed by the player beats the dealer and, if so, awarding the player responsive to said wager and hand in accordance with said rules. [2] 2. The method of Claim 7. wherein each player must place wagers on all hands. [3] 3. The method of Claim 1 wherein each player can select a plurality of the hands to wager upon, and may then play only those hands. [4] 4. A method of playing a modified twenty-one card game between at least one player and a dealer, using at least one deck of playing cards, wherein a fixed number of hands will be dealt regardless of the number of players, and wherein each player can play any number of said hands regardless of the number of players and independent of all other players, said method comprising: a) each player placing a wager in respect of one or more of said hands to be dealt; b) initially dealing two cards to each said hand, and forming a dealer hand in accordance with the standard predetermined house rules of twenty-one; c) allowing players to complete each remaining hand upon which they have wagered, being incomplete hands, said incomplete hands to be completed in sequence from first to last dealt, in at least one hitting round as follows; i. allowing each player to elect an incomplete hand in sequence from first to last dealt, if any, to which they wish to receive the next card to be dealt, any incomplete hands in the sequence before said elected incomplete hand becoming complete hands which are then out of play; ii. once all players have made an election as to if or to which hand to receive the next card to be dealt, dealing a common hit card to a community card pool; iii. applying said common hit card to the numerical count of the incomplete hand elected to receive said common hit card by any players who elected to receive same; iv. repeating additional hitting rounds until there are no further incomplete hands; d) determining a final dealer hand count in accordance with standard predetermined house rules of twenty-one;in respect of each wager placed and hand completed by a player determining, in accordance with the standard predetermined house rules of twenty-one, whether that hand as completed by the player beats the dealer and, if so, awarding the player responsive to said wager and hand in accordance with said rules. [5] 5. The method of Claim 4 wherein each player must place wagers upon and play all hands. [6] 6. The method of claim 4 wherein each player can select any number of the hands to wager upon, and then may play only the hands selected and wagered upon. [7] 7. The method of Claim 4 wherein the common hit cards are dealt from the deck as required. [8] 8. The method of Claim 4 wherein a number of common hit cards are dealt face down to a community card pooh following the forming of the dealer hand, and wherein the dealing of common hit cards during a hitting round then constitutes turning over the next face down common hit card in said community card pool. [9] The method of Claim 4 wherein all of the common hit cards in the community card pool, including any still remaining face down, axe discarded after completion of the playing round. [10] 10. The method of Claim 4 wherein each player who has wagered on any hand in which the first two cards were of the same numerical count is allowed to split that hand and complete its play as two hands, if allowed by and in accordance with predetermined house rules of twenty-one. [11] 17. The method of Claim 4 wherein the final dealer hand count is determined by dealing additional cards to the dealer hand from the deck. [12] 12. The method of Claim 11 wherein different cards are dealt to complete the dealer hand in respect of each player. [13] 13. The method of Claim 11 wherein the dealer hand is completed once for application against the completed hands of each player. [14] 14. The method of Claim 4 wherein the final dealer hand count varies between players, and where the determination of the final dealer hand count comprises, in respect of each player, applying common hit cards from the community card pool to the dealer hated until no further cards are required in the dealer hand, starting with the first common hit card dealt after the player in question completed all of his hands being played.
类似技术:
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引用文献:
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法律状态:
2004-11-15| FZDE| Dead|
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申请号 | 申请日 | 专利标题 US71156100A| true| 2000-11-13|2000-11-13|| US09/711,561||2000-11-13|| 相关专利
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