Classifications

• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
  • A63F1/00—Card games
  • A63F1/06—Card game appurtenances
  • A63F1/18—Scoring or registering devices; Indicators
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
  • A63F9/00—Games not otherwise provided for
  • A63F9/24—Games using electronic circuits not otherwise provided for
  • A63F2009/2401—Detail of input, input devices
  • A63F2009/2411—Input form cards, tapes, discs
  • A63F2009/2419—Optical
• • A—HUMAN NECESSITIES
  • A63—SPORTS; GAMES; AMUSEMENTS
  • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
  • A63F2250/00—Miscellaneous game characteristics
  • A63F2250/58—Antifraud or preventing misuse

Definitions

• the present invention relates to a card game fraud detecting device, and more particularly to a device for detecting fraudulent acts in a forced game played continuously on a table.
• a code indicating a set to which the card belongs is provided on the card by printing or the like.
• the inspection device shown in Fig. 6 and Fig. 8 of the same document reads the code from each force of the used set (see 15-17 page). Then, based on the code read from the card, the inspection device determines whether an abnormal force is mixed in the group.
• the conventional device described above contributes to fraud prevention by checking whether a card belongs to a predetermined group. However, with such devices, it is sometimes difficult to detect fraudulent acts on the spot when they do.
• Baccarat cards are distributed to two players (as is well known, Baccarat is played by one player and a bunker, but in the present application, a bunker is also called a player).
• Baccarat the player flips his power through the game during a game in a manner called "squeezing". The right to “squeeze” is generally given to the player with the highest sum.
• the wrongdoer switches powers with a magician-like technique. It would be desirable to be able to detect such misconduct on the spot.
• the present invention has been made under the above background, and an object of the present invention is to provide a device capable of detecting fraudulent activities in a card game on the spot.
• a card game fraud detecting device of the present invention detects fraudulent acts in a card game performed continuously.
• the apparatus of the present invention comprises: an appearance card information acquisition unit for acquiring appearance force information for identifying an appearance card which is an appearance card appearing in each game; and an appearance card during a game being played. Entering card information storing means for storing information; exiting information information acquiring means for acquiring exiting information information for identifying an exiting card which is a card to exit from the game; A determination unit that determines whether or not the appearance card and the exit card match based on information and the exit card information; and an output unit that outputs a determination result.
• the above-described device of the present invention determines whether or not the appearing card and the retirement card match, and outputs the determination result. Therefore, when a card is illegally replaced during a game, this replacement action can be detected.
• the device of the present invention only needs to be able to acquire the information of the entering card and the leaving card. For example, in a baccarat game, the maximum number of entering and leaving cards is six. Therefore, since there is no need to provide a means for transferring the force set, the apparatus can be configured simply and inexpensively.
• the appearance information and the exit card information are the information to which the device of the present invention is applied.
• the minimum required information is sufficient according to the rules of the game. Cards are marked by suits (spades, hearts, diamonds, clubs) and ranks (numbers 1-10, J, .Q, K). In Baccarat, the spot has no effect on the game. J, Q, and K are treated as 10 (or 0). Therefore, the appearance card information and the exit card information may be only 1 to 10 (J, Q, and K are also included in 10). Of course, more information may be obtained. '
• the device of the present invention may use the code representing the set as the appearance card information and the exit card information.
• the set is, for example, one deck, and is, for example, a plurality of decks.
• the pair code attached to the appearing card is compared with the pair code attached to the exit card information. Also in this case, the match between the entry card and the exit card can be determined. It goes without saying that information other than the set code that provides the same result may be used.
• the card game fraud detecting device of the present invention typically has a reading unit for reading information from a force, and the appearing card information obtaining unit and the leaving card information obtaining unit are read by the reading unit. To get the information.
• the reading means may be attached to each card, and may read a code capable of specifying each card.
• the reading means reads, from a card, a code that is unreadable by human eyes under normal use conditions and is readable under predetermined conditions.
• the reading unit reads, for example, a code that can be read by being irradiated with predetermined light. ADVANTAGE OF THE INVENTION According to this invention, a fraud can be detected, without giving a strange feeling to a player etc.
• the reading means may read a code set so as not to correspond to a mark on a card.
• the force mark and the code do not correspond.
• the device of the present invention does not need to grasp the mark of the card. Since the device of the present invention only needs to be able to determine the match between the appearance card and the exit card, it is possible to detect fraud without specifying the card mark. Since the mark of the card is not recognized by the device, the player's sense that the game is being played fairly can be further increased.
• the reading means may read a mark on each card.
• the present invention can further simplify the device by employing the following configuration.
• the reading means detects marks in at least two of the three mark rows in the vertical direction of the card.
• the at least two mark rows are a center mark row and one of both side mark rows. Since the arrangement of the card marks is fixed, the card marks can be specified by the above simple configuration. As described above, in the present invention, it is sufficient that the minimum necessary information is obtained according to the rules of the game. For example, in Baccarat, a mark string may not be detected.
• the force is a picture card (J, Q, K).
• a face card may be treated as 10 (or 0) in Baccarat.
• the reading means may detect a mark of at least five of the nine horizontal rows of marks on the card.
• the at least five mark rows are a center mark row, one of the mark rows at both ends, two marks and rows at the center both sides in the eight card, and two marks at the center both sides in the ten card. This is one of the mark columns. According to the present invention, the mark can be specified.
• the reading means includes a sensor embedded in a table and reading information from a card sliding on the table.
• information is acquired from the force on the table, and the player's feeling that the game is being played fairly can be further increased.
• information is read from the appearance and the retraction output by a common sensor.
• a sensor is provided at an appropriate place such as the center of a table, and an entry card and an exit card are slid on the sensor. Since the number of sensors is small, the configuration is simplified.
• the device of the present invention includes a rail provided so as to protrude from the table and guides the card when the card slides, and when the force slides with one side of the card touching the rail.
• the positional relationship between the sensor and the rail is set so that force information passes through the sensor. ADVANTAGE OF THE INVENTION According to this invention, the information of a card is read reliably.
• the reading means may be constituted by an appearance reading means and a leaving reading means as described below.
• the appearance reading means is set in the path where the card appears from Read information from the card.
• the exit reading means is provided in a path where the card exits through the card submission port or the card collection port, and reads information from the exit card.
• separate sensors may be provided for the entry card and the exit card.
• the apparatus of the present invention may be provided with a reading unit in a route where the card is guided in relation to the card and the collection port. As a result, the information can be reliably read from the force even without specially providing the rail as described above.
• the apparatus comprises: an information adding unit that adds a code to a force when a card appears; and a reading unit that reads a code added by the information adding unit when the card leaves. May be included.
• the appearance card information acquisition means acquires information added by the information addition means as the appearance power information
• the exit power information acquisition means acquires the information read by the reading means. Get as card information.
• the information adding means may print a code on a card. In the present invention, a code is added when a card appears. Even with such a configuration, the advantages of the present invention can be suitably obtained. In this configuration, the code does not have to correspond to the mark.
• the code may, for example, represent a random number regardless of the mark.
• the detection device does not have to know the mark of the card. Even if the mark is not grasped, the entering card and the leaving card can be compared, so that an illegal action is detected. Since the mark of the card is not recognized by the device, the player's sense that the game is being played fairly can be further increased.
• the output means outputs a determination result so as to be able to determine whether or not the appearance card information of each of the plurality of players matches the retirement information.
• the device of the present invention enables a player who has committed an illegal act to be identified.
• Another embodiment of the present invention is a card game fraud detecting device, which is provided at or near a table and reads a information on a card, and a game device based on the information read by the reader. Determination means for determining whether or not the appearance card that appears and the exit card that exits the game match.
• the simple provided with the reader provided in the table or its vicinity Depending on the configuration, fraud in the card game can be detected.
• a device for continuously transferring cards may not be provided. Then, by judging whether the entering card and the leaving card match, fraudulent activity can be detected on the spot.
• the information on the card is, for example, the above-mentioned code and mark.
• the reader typically reads information from both the entering card and the leaving card, but is not limited to this.
• the code is printed on the card and the printed code is stored.
• the code is read by the reader from the output port.
• the read code is compared with the stored code. In this case, the reader reads information only from the output port.
• the reader reads a code representing the set from the exit card. Then, the read code is compared with a set stored in a force providing source (such as a shutter).
• a force providing source such as a shutter
• the card source contains a set of new cards or a set of pre-tested cards. Even in this configuration, assuming that the same set of cards is set in the card supply source, it is possible to determine the match between the entering card and the leaving card. It is a matter of course that information other than the set code that can achieve the same result may be used.
• the table or its vicinity means a portion on a route through which a force passes in a game.
• the table or its vicinity is defined as a path from the force supply source through the table to the storage unit.
• the reader is typically, but not exclusively, provided on a portion of the table.
• a reader may be provided at the collection port for the configuration for reading information only from the exit card described above.
• the reader is provided on a base part which forms a part of the table and through which a force sliding on the table passes.
• ADVANTAGE OF THE INVENTION According to this invention, the fraud of a card game can be detected by the simple structure provided in a part of table.
• the base part is a separate member from the table, and is installed on the table. It may be attached to the cut opening. Further, the base portion may not be a separate member from the table. In this case, a reader may be attached to a partial area of a member constituting the table.
• the device of the present invention includes a guide means for guiding a card and passing the card through a path through which the reader can read information.
• the guide means includes a rail provided so as to protrude from the table and guide the card when the card slides, and a force is applied when the card slides while one side of the card is in contact with the rail. Rails are provided so that the above information passes through the reader. This ensures that the information on the card is read.
• it has a plurality of sensors provided along the rail to detect the presence of a card. Then, based on whether or not a plurality of sensors detect a force, it is detected whether or not the force is sliding with one side of the force being in contact with the rail. As a result, the information on the card can be read more reliably. Erroneous determination due to the card being slid at an inappropriate angle can be prevented.
• Another embodiment of the present invention is a mark reading device that reads a mark from a card.
• This device is a detecting means for detecting a mark of at least two of the three mark rows in the vertical direction of the card, wherein the at least two mark rows are a center mark row, A detecting means, which is one of the mark rows on both sides, and a mark number specifying means for specifying the number of marks on the force based on a detection result by the detecting means.
• This device identifies the number of force marks by focusing on the arrangement of the marks on the card.
• This device is preferably applied to the above-described fraud detection device, but may be applied to another device that processes force.
• Another aspect of the present invention is a force mark reading device for reading marks from a card, the device detecting at least five marks in nine horizontal rows of marks on the card.
• Detecting means wherein the at least five mark rows are a center mark row, one of both end mark rows, two mark rows on both sides of the center of the eight cards, and a center mark row of the ten cards.
• Detecting means which is one of the two mark rows on both sides, and mark number specifying means for specifying the number of marks on the card based on the detection result by the detecting means.
• This device also places the mark on the card. Paying attention to the fact that the row is fixed, specify the number of marks on the card.
• This device is also suitably applied to the above-described fraud detection device, but may be applied to another device for processing a force.
• the detecting means can detect a difference in color between a mark on the card and a part without the mark. Typically, red and black are distinguished from white. It is only necessary to be able to detect the color difference, so a simple sensor can be applied and the cost can be reduced. For example, under the baccarat rules, card suits do not affect the game. In such a case, the present invention is suitably used.
• the card is a picture card (J, Q, K).
• a face card may be treated as 10 (or 0) in games such as baccarat.
• the card mark reading device of the present invention includes a guide means for guiding a card and passing a detecting means through a mark row of the card.
• the guide means may be provided so as to protrude from a table on which a card game is played, and may include a rail for guiding a card when a force slides.
• the positional relationship between the detection means and the rail is set such that the mark row passes through the detection means when the force slides while one side of the force contacts the rail. According to the present invention, the number of marks on a card is reliably specified.
• the present invention is not limited to the above-described force game unauthorized detection device and card mark reading device.
• Another embodiment of the present invention is, for example, a method executed by the above-described apparatus, a program for realizing such a method on a computer, and a recording medium storing such a program.
• FIG. 1 is a diagram showing a table provided with a forced game fraud detecting device according to an embodiment of the present invention.
• FIG. 2 is a perspective view of the fraud detection device.
• FIG. 3 is a diagram showing a force to be inspected.
• FIG. 4 is a plan view of the fraud detection device.
• Figure 5 is a diagram showing the positional relationship between the card and the sensor.
• FIG. 6 is a front view of the fraud detection device.
• FIG. 7 is a diagram showing a bracket for mounting the sensor.
• FIG. 8 is a side view of the fraud detection device.
• FIG. 9 is a bottom view of the fraud detection device.
• FIG. 10 is a diagram of FIG. 9 viewed from the direction of arrow X.
• FIG. 11 is a diagram showing a fraud detection device together with a table.
• FIG. 12 is a functional block diagram showing the configuration of the determination computer device.
• FIG. 13 is a diagram showing another embodiment of the present invention.
• FIG. 14 is a diagram showing another embodiment of the present invention.
• FIG. 15 is a diagram showing another embodiment of the present invention.
• FIG. 16 is a flowchart showing a process of specifying the number of marks on a card in the embodiment of FIG.
• FIG. 17 is a diagram showing another embodiment of the present invention.
• FIG. 18 is a flowchart showing a process for specifying the number of marks on the card in the embodiment of FIG.
• FIG. 19 is a diagram showing another embodiment of the present invention.
• FIG. 20 is a perspective view of the configuration of FIG.
• FIG. 21 is a diagram showing a force applied to the embodiment of FIG.
• FIG. 22 is a diagram showing a code reading operation according to the embodiment of FIG. BEST MODE FOR CARRYING OUT THE INVENTION
• FIG. 1 shows a table provided with a card game fraud detecting device of the present embodiment.
• This table 1 is used in Baccarat.
• the present invention is applicable to games other than Baccarat.
• Table 1 is shown in a simplified diagram, but a normal Pakhara table may be applied when implementing the present invention.
• baccarat is played by players and bunker. However, in this application, Both the player and the bunker are called the player.
• a shower 3 and a recovery port 5 are provided on both sides of the table 1, respectively.
• Shu-Yu 3 is the source of the cards, and the cards swept from Shu-Yu 3 are dealt to the players. Then, after the game is over, the card is discharged from the collection port 5 and is stored in a used card storage unit (not shown).
• a used card storage unit not shown.
• cards appearing in each game are called appearance cards, and cards leaving the game in each time are called exit cards. Appearing cards appear on the table through the game 3 in the game, and the exit card exits the table through the recovery port 5.
• the card game fraud detecting device (hereinafter, fraud detecting device) 10 of the present embodiment is arranged substantially at the center of the table 1. This position is set so that the dealer can easily pass the force through the fraud detector 10.
• FIG. 2 is a perspective view of the fraud detection device 10.
• the base plate 12 is formed of a flat plate, and is attached to the opening of the table 1.
• Two mounting members 14, which are rod-shaped members, are mounted along both ends of the base plate 12, and these mounting members 14 are placed on a step provided in the opening of the table 1.
• the base plate 12 has a rectangular shape of, for example, 21 O mm X 13 O mm.
• a rail 18 for guiding the card is provided on the base plate 12.
• the rail 18 has an L-shape.
• the rail 18 forms a gap (groove) 20 with the table 1 as shown.
• the card is inserted into gap 20.
• the card is slid with one side of the force touching the rail 18 at the bottom of the gap 20. This guides the card along rails 18.
• a plurality of windows 22-30 are provided on the base plate 12 along the rail 18. These windows 22-30 are partially or completely hidden under the rails 18 when the base plate 12 is viewed from above. Further, these windows 22-30 are provided at positions corresponding to a plurality of sensors provided below base plate 12. These sensors are mounted on a sensor mounting plate 32. The sensor mounting plate 32 is mounted on the lower side of the guide plate 12. The rail 18 also has three windows 34, 36, 38 at positions corresponding to the windows 22, 28, 30.
• another window 40 is provided on the base plate 12.
• the window 40 is provided on the side opposite to the windows 22 to 30 with respect to the rail 18.
• the window 40 is used for displaying a determination result.
• an LED device is attached to the base plate 12.
• the window 40 is provided at a position corresponding to the lamp of the LED device.
• Figure 3 shows the cards to be inspected. As shown, the codes 42, 44 are applied along the longer side of the card. Codes 42 and 44 are placed where the marks on all cards, including face cards (J, Q, and K), are not printed.
• Codes 42 and 44 are barcodes corresponding to the marks on the card.
• One of the codes 4 2 and 4 4 represents a spat (spade, heart, diamond, club) and the other represents a rank (valu, 1, 2,,, 10, J, Q, K). Represents.
• code 42 represents the suit
• code 44 represents the rank.
• Codes 42 and 44 are printed with ultraviolet light-emitting ink.
• Ultraviolet emitting inks cannot be read by human eyes under normal conditions of use. However, ultraviolet light emitting inks develop color when exposed to ultraviolet light. Ultraviolet light used to view ultraviolet light-emitting ink is called black light.
• FIG. 4 is a plan view of the fraud detection device 10.
• the entrance of the gap between rails 18 is cut diagonally. This allows the dealer to smoothly insert the card into the gap between the rails 18.
• the first card sensor 46, the second force sensor 48, and the third force sensor 50 are photoelectric sensors, and detect the presence or absence of a card.
• the sensors 46, 48, 50 are arranged in a gap 20 between the rail 18 and the base plate 12. This allows The sensors 46, 48, 50 are located near the guide surface of the rail 18.
• the first reading sensor 52 and the second reading sensor 54 read the codes 42 and 44 attached to the card when the card slides while being guided by the rail 18. Both sensors 52 and 54 are arranged such that the first reading sensor 52 reads the code 42 and the second reading sensor reads the code 44.
• Light sources for visualizing the codes 42 and 44 are provided on the sensors 52 and 54.
• the light source is an LED that emits ultraviolet light (ultraviolet LED). By applying a sensor having such an LED, the size of the device can be reduced.
• Figure 5 shows the positional relationship between the card and the sensor.
• the card slides and reaches position A.
• the first card sensor 46 and the second card sensor 48 detect the card at the same time.
• the first reading sensor 52 and the second reading sensor 54 are approaching the codes 42, 44.
• the first reading sensor 52 and the second reading sensor 54 are controlled to start reading, and a code is detected.
• the card slides to position B, the card is simultaneously detected by the second force sensor 48 and the third force sensor 50.
• detection of the card by the second card sensor 48 is a trigger for starting reading.
• the posture of the force is determined based on the detection results of the first card sensor 46, the second card sensor 48, and the third card sensor 50. This determination is made to determine if the card is sliding with the negative side of the force touching the rail. (1) The first card sensor 46, the second card sensor 48, and the third card sensor 50 sequentially detect the card, and (2) These sensors sequentially determine that the card has passed (the card exists (3) the first force sensor 46 and the second card sensor 48 simultaneously detect force, and (4) the second card sensor 48 When the three force sensors 50 simultaneously detect the card, it is determined that the card has passed in an appropriate posture. Otherwise, it is determined that the card did not pass in the correct position. This determination process is performed by a determination unit, which will be described later.
• the window 44 near the center of the rail 18 The LED device 56 mounted on the lower side is visible.
• the LED device 56 has seven LED elements.
• the LED element 58 displays the above-described card attitude determination result. For example, the lighting of the LED element 58 indicates that the posture was proper.
• the LED element 60 — 70 displays the detection result of the presence or absence of fraud. More specifically, the LED element 60-70 indicates the judgment result of whether or not the entering card and the leaving card match.
• the code is read from the entry card and one LED element lights up. Then, when the code is read from the exit card, if the exit card matches the entry card, the corresponding LED element disappears. The determination processing will be described in more detail later.
• FIG. 6 shows a front view of the fraud detection device 10.
• the sensor mounting plate 32 is formed by bending a single plate-like member.
• the sensor mounting plate 32 has a flat portion 72, a wall portion 74 extending upward from both ends of the flat portion 72, and a flange portion 76 provided at an upper end of the wall portion 74.
• the flange portion 76 is attached to the lower surface of the base plate 12 by a port (not shown).
• FIG. 7 shows a bracket 78 for mounting the sensor 46-50.
• the bracket 78 is attached to the sensor mounting plate 32 with a port (not shown) at the hole 82, and the sensor 46 to 50 is attached at the hole 80 with a port (not shown). It is attached.
• the brackets of the sensors 52 and 54 have the same configuration. However, it goes without saying that the dimensions of the bracket differ depending on the size of the sensor and the detection distance.
• FIG. 8 is a side view of the fraud detection device 10.
• mounting members 14 are mounted using ports (not shown).
• the mounting member 14 is used for mounting the present apparatus to the tape 1.
• the mounting member 14 is bonded to the opening of the table 1.
• the mounting members 14 It may be fixed by a crew or the like.
• a force (phantom line) is inserted into the gap 20 between the rail 18 and the base plate 12, and the card is guided by the bottom surface of the gap 20.
• the rail 18 is also attached to the base plate 12 by a port (not shown).
• the rail 18 is fixed to the base plate 12 at three points at the center and at both ends. Regarding the fixing of both ends, the rail 18 and the sensor mounting plate 32 are fixed to the base plate 12 with one port. A screw hole is provided in the rail 18, and a port is fastened to the screw hole from below the sensor mounting plate 32.
• FIG. 9 is a bottom view of the fraud detection device 10.
• FIG. 9 shows an LED box 86 for mounting the LED device 56.
• the LED device 56 is housed in an LED box 86, and the LED box 86 is attached to the lower surface of the base plate 12.
• the mounting position is set such that the positions of the LED elements of the LED device 56 correspond to the windows 44 of the base plate 12.
• FIG. 10 is a view of FIG. 9 as viewed from the direction of arrow X.
• the LED box 86 has a flange portion 88 at the upper end.
• a flange 88 is attached to the base plate 12 using a port (not shown).
• FIG. 11 shows the fraud detection device 10 together with Table 1.
• the fraud detection device 10 has a determination computer device 90 in addition to the configuration provided on the base plate 12 described above.
• the determination computer device 90 is attached to the lower surface of the base plate 12 by a bracket (not shown).
• the judgment computer device 90 is connected to the sensors 46-54 and the LED device 56 mounted on the base plate 12.
• the determination computer device 90 is configured by a microcomputer, and has a normal computer configuration such as a CPU, a ROM, and a RAM.
• the determination computer 90 controls the sensor and the LED of the base plate 12 by executing a program stored in the ROM, and performs a process related to fraud detection.
• FIG. 12 is a functional block diagram showing a configuration of the determination computer device 90.
• the judgment computer device 90 includes the first card sensor 46, the second card sensor 48 and And a detection signal from the third card sensor 50.
• the determination computer 90 controls the first reading sensor 52 and the second reading sensor 54 to read the code of the card, and receives detection signals from both the sensors 52 and 54. Further, the judgment computer device 90 controls the LED device 56 to turn on and off the LED elements 58-70.
• a reading instruction section 92 instructs a first reading sensor 52 and a second reading sensor 54 to start and end a reading operation.
• the reading instruction section 92 causes the sensors 52, 54 to start reading, whereby the bar code is read. Then, when receiving the detection signal indicating the presence of the card from the third card sensor 50, the reading instruction section 92 causes the sensors 52, 54 to terminate reading.
• the posture determination unit 94 determines whether or not the posture of the card at the time of sliding is appropriate based on the detection signals of the first card sensor 46, the second card sensor 48, and the third card sensor 50. As described above, (1) the first card sensor 46, the second force sensor 48 and the third card sensor 50 detect the card in order, and (2) the sensors sequentially pass the card. (3) The first force sensor 46 and the second card sensor 48 simultaneously detect force, and (4) When the second card sensor 48 and the third card sensor simultaneously detect a force, the posture determination unit 94 determines that the card has passed in an appropriate posture. When the posture is proper, the posture judgment output processing unit 94 turns on the LED element 58 of the LED device 56.
• the algorithm for posture determination is not limited to the one described above. For example, even if all of the above four conditions are not satisfied, the posture may be determined to be appropriate. However, by using the above four conditions, the posture can be determined more accurately.
• the appearance card information acquisition unit 98 acquires information on the read code when a code is read from the appearance card by the first reading sensor 52 and the second reading sensor 54. This information is stored in the appearance card information storage unit 100 as appearance card information for specifying the appearance card. In Baccarat, up to six cards are dealt. Information on all cards dealt is acquired by the appearance card information acquisition unit 98 Then, it is stored in the appearance card information storage unit 100. The appearance card information storage unit 100 holds the appearance card information while the game is being played.
• the exit output information acquisition unit 102 acquires information on the read code when the first reading sensor 52 and the second reading sensor 54 read the code from the exit card. This information corresponds to exit card information for specifying an exit card.
• the determination unit 104 refers to the appearance card information stored in the appearance card information storage unit 100 and the exit output information acquired by the exit card information acquisition unit 102. The determining unit 104 determines whether or not the entering card and the leaving card match by collating these pieces of information.
• the appearing card information storage unit 100 stores information on a plurality of appearing cards. If one of those information matches the exit card, it is determined that the entering card and the exit card match.
• the output processing unit 106 outputs the information of the determination result by controlling the LED device 56.
• the output processing unit 106 first turns on one of the LED elements 60-70 each time one piece of appearance card information is obtained. When the exit card information matches the appearance card information, one of the LED elements 60-70 is turned off. When all the LED elements 60 to 70 are turned off, it indicates that there is no illegal operation.
• the LED element lit when reading the entry card is turned off.
• the LED element 64 is turned on when reading a certain appearing card.
• the LED element 64 is turned off. This makes it possible to detect which player (player or punk) has committed the fraud.
• an LED element corresponding to each player may be determined in advance. For example, two cards of one player correspond to the LED elements 60 and 62, and two cards of the other player correspond to the two LED elements 66 and 68. If the LED element for each player is determined, the player who has committed the fraud can be more easily identified.
• the order in which the second card is usually dealt is determined.
• the LED elements corresponding to each player are fixedly determined as described above.
• the third card is often dealt to only one player. Therefore, even if the lighting order of the LED elements is set according to the card distribution order as described above, for the third card, the correspondence between the player and the LED element changes depending on the game situation.
• the player and LED element can be associated with the third card.
• a switch may be provided to indicate which player's power code is to be read. This switch may be operated by the dealer.
• an appearance start switch and an exit start switch are provided at appropriate places in order to distinguish between an appearance card and an exit card.
• the entry switch is operated by the dealer before reading the first entry card of each game.
• the entry switch may be operated before the start of the game.
• the exit start switch is operated by the dealer before reading the first exit output card.
• the exit switch may be operated at the end of the game.
• switch operations are detected by the determination computer 90. After the operation of the appearance start switch, information from the reading sensors 52 and 54 is treated as appearance card information. Also, after the operation of the exit start switch, information from the reading sensors 52 and 54 is treated as exit output information.
• the appearing card and the exiting card may be distinguished.
• one switch may be operated before entry begins and before exit.
• the configuration of the fraud detection device 10 of the present embodiment has been described above. Next, the operation of the fraud detection device 10 will be described.
• Baccarat is performed continuously on Table 1, as is well known. Opening a game To start, the dealer operates the start switch. This operation is detected by the judgment combination device 90.
• the dealer removes one card from all three and distributes it to the player. At this time, the dealer slides the card along the rail 18 while distributing the card to the player.
• the card When the card is slid in an appropriate position, the card is first detected by the first card sensor 46, and then by the second force sensor 48.
• the reading instruction section 92 instructs the first reading sensor 52 and the second reading sensor 54 to read a code, and reads the bar code 42 of the card. 4 4 is read.
• the two rows of codes 40, 42 represent the card's mark (street and rank).
• the determination computer 90 Based on the signal obtained from the sensor, the determination computer 90 specifies the mark on the card. In this way, the appearance card information is obtained by the appearance information storage unit 98 and stored in the appearance card information storage unit 100.
• the force moves and reaches the third card sensor 50.
• the reading instruction section 92 instructs the first reading sensor 52 and the second reading sensor 54 to end the reading, and receives the first reading.
• the sensor 52 and the second reading sensor 54 end the reading operation. Note that the black light may be kept on regardless of the detection result of the force sensor.
• the posture determination unit 94 of the determination computer 90 determines whether the posture was proper when the card was slid. The criteria are as described above. As described above, this determination result indicates whether or not the code was read with one side of the card in contact with the rail 18. If the posture is proper, the posture judgment output processing section 96 turns on the LED element 58. If the posture is not appropriate, the LED element 58 will not light. In this case, the dealer again slides the card along rails 18.
• the output processing unit 106 lights one of the LED elements 60-70 each time a code is read from one card.
• the dealer operates the exit start switch. Then, the dealer inserts the cards used in the game one by one into the collecting slot 5. At this time, the dealer slides each force along the rail 18 while moving the card to the collection port.
• the code of each leaving card is read by the first reading sensor 52 and the second reading sensor 54.
• the reading operation is the same as reading an entering card.
• the attitude determination is performed in the same manner. If the attitude is not appropriate, the card is slid again by the dealer and the reading operation is performed.
• the information of the code read from the exit card is acquired by the exit card information acquisition unit 102.
• the exit card information acquisition unit 102 acquires exit card information.
• the determination unit 104 compares the exit card information with the appearance card information.
• the determining unit 104 determines that the appearing card and the leaving card match. Therefore, the output processing unit 106 turns off one of the lit LED elements.
• the LED element corresponding to the entering card is turned off.
• an ultraviolet light emitting ink and a sensor for detecting the ink are used.
• the code of the ultraviolet light emitting ink is not readable by human eyes, It is an example of a code that can be read under conditions. In contrast, other configurations are possible. For example, an ink visualized by infrared rays may be applied. Also, for example, the code may be provided on the card using magnetism. In this case, a magnetic sensor is provided in the detection device.
• certain inks can be read at certain temperatures.
• a code may be printed on the card using such ink.
• the detection device has a configuration for changing the temperature of the card surface.
• the senor is changed according to the form of the code.
• An appropriate barcode, CCD camera, etc. can be used as a sensor depending on the code.
• the base plate 12 corresponds to the base of the present invention, and the base is a separate member from the table.
• the present invention is not limited to this.
• a base part does not need to be a member separate from a table.
• a rail, a sensor, and an LED device may be attached to a partial region of a member constituting the table.
• a plurality of LEDs are respectively provided for a plurality of cards, but the present invention is not limited to this.
• only one LED element may be provided.
• the LED element may be turned on at the time of detecting the fraud, that is, at the time of detecting an exit card that does not match the appearance card.
• the LED element is used, but it goes without saying that a display device other than the LED element may be used.
• the determination result was output using a display on the table, but the present invention is not limited to this.
• the indicator need not be provided on the table.
• the display may be provided in a remote place such as a management room of a casino or the like.
• the determination result may be sent to a computer such as a management room.
• the determination result may be output by an alarm sound.
• a speaker is provided.
• a sound other than the alarm sound such as a voice message or a melody, may be output.
• the codes 42 and 44 represent the suit and rank, respectively, and these codes are used as the appearance card information and the exit card information.
• the appearing card information and the leaving card information may be minimum necessary information according to the rules of the card game to which the device of the present invention is applied.
• the suit has no effect on the game.
• J, Q, and K are treated as 10. Therefore, the appearance card information and the exit card information may be only 110 (J, Q, and K are also included in 10).
• Only such a code may be attached to the card.
• the code may be set so as not to correspond to the mark on the card. For example, a random number is attached to the card as a code.
• the device of the present invention does not need to grasp force marks. It is only necessary to be able to determine the match between the entering card and the leaving card, so fraud can be detected without specifying the card mark. Since the mark of the card is not recognized by the device, the player's sense that the game is played fairly can be further increased.
• the device of the present invention may use the code representing the set as the appearance card information and the exit card information.
• the set may be a single deck or multiple decks.
• the pair code attached to the appearing card is compared with the pair code attached to the exit card information. Also in this case, it is possible to determine whether the entering card and the leaving card match. It goes without saying that information other than the set code that can obtain the same result may be used.
• the reader reads the code representing the set from the exit card.
• a set code is input to the determination computer 90 in advance.
• the set code is the set code stored in the card provider (such as Shu Ichiyu).
• the card source contains a new set of cards or a set of pre-tested cards.
• the input group code is acquired and stored as appearance card information. Then, the read code is collated with the stored code.
• the set code may not be pre-entered.
• the pair codes of a plurality of exit cards are compared, and if there is an exit card having a different group code from the other exit cards, it is determined that the exit card does not match the entry card. Assuming that the first exit card pair code is the correct entry code, the pair code may be compared to the remaining exit card pair codes.
• both the combination code and the information of the mark of the card may be used for detecting an illegality.
• FIG. 13 shows another embodiment of the present invention.
• the description of the same items as in the above-described embodiment will be appropriately omitted.
• the appearance sensor 110 is provided in the bus 3.
• Shu-Ichi 3 has a structure to guide the card.
• the appearance sensor 110 reads the code from the appearance card that is guided when leaving from Shu 3.
• an exit sensor 112 is provided at the collection port 5.
• the collection port 5 is also provided with a structure for guiding the card.
• the exit sensor 1 1 2 Read the code from the exit card that is guided when you pass.
• an LED device 114 is provided near the center of the table 1, and a judgment convenience device 116 is mounted below the table 1.
• the determination computer device 116 performs the same determination processing as in the above embodiment based on the read signals of the appearance sensor 110 and the exit sensor 112. Then, the determination computer device 116 controls the LED device 114 to display the determination result.
• the configuration of the determination computer device relating to the determination process and the like may be the same as in the above-described embodiment.
• the appearing card information and the outgoing output information may be read by separate readers.
• guide means are provided in the shuffle 3 and the collection port 5. This guide is used to read the code on the card.
• a dedicated guiding means may not be provided for the fraud detection device. Therefore, the configuration of the device is simplified.
• FIG. 14 shows another embodiment of the present invention.
• a code is added to the card when the appearance code appears. Therefore, the code does not have to be read from the entering card.
• the code is read from the exit card in the same manner as in the above embodiment.
• the determination computer device 90 has the configuration of the above-described embodiment, and further includes a code generation unit 120 that generates a code to be printed on an appearance card.
• a code printing device 122 is provided at Shushu 3.
• the code generation unit 120 generates a code.
• the code is a random number. This code is transmitted from the judgment computer 90 to the code printer 120.
• the code printing device 120 prints the code received from the determination computer device 90 on the card when the card is ejected from the card 3. Thus, the code is added to the card.
• the code printing device 120 notifies the determination computer device 90 that the code has been printed on the card. In response, the code generator 120 generates the next code I do. Again, random numbers are generated.
• this code is acquired by the appearance card information acquisition unit 98.
• the acquired code is stored in the appearance card information storage unit 100 as appearance information.
• appearance card information is obtained as described above. Therefore, when the card is dealt, the sensor on the base plate 12 does not need to read the card. At the end of the game, the sensor on the base plate 12 reads the code from the exit card. The read signal is sent to the determination computer 90. The determination computer overnight device 90 determines whether or not the appearing card and the exit card match in the same manner as in the above-described embodiment.
• the fraud detection device of the present embodiment can detect fraudulent acts by determining whether or not the appearing card matches the rejection card, as in the above-described embodiment.
• code generation section 120 generates a random number.
• the code does not correspond to the mark on the card, and the detection device does not recognize the mark on the card.
• the detection device does not recognize the mark on the card.
• the mark is not grasped, it is possible to collate the appearance and rejection modes, so that fraudulent activity is reliably detected.
• the player's sense that the game is being played fairly can be increased.
• the code printing apparatus is one form of the information adding means of the present invention, but the present invention is not limited to this.
• the information adding means is configured to conform to the code specifications. For example, when a magnetic code is applied, a device for adding a magnetic code corresponds to the information adding means.
• a mark on a card is read instead of a code attached to the card.
• the configuration for reading the mark on the card is simple.
• the marks are arranged in three rows in the vertical direction of the card. As shown in Fig. 15, the center mark row and one of the mark rows on both sides are detected. Are provided with two sensors.
• one of the mark rows on both sides is called a first row, and the center mark row is called a second row.
• the first reading sensor 13 2 is arranged to read the first row of marks
• the second reading sensor 13 4 is arranged to read the second row of marks.
• sensors 1 3 2 and 1 3 4 are constituted by cameras.
• the sensors 13 2 and 13 4 need only be able to detect the presence or absence of the mark. Therefore, as the sensors 13 2 and 13 4, sensors that can distinguish the colored portion (red or black) and the white portion of the card are applied. In short, the sensors 13 2 and 13 4 detect the color difference between the mark on the card and the part without the mark.
• the sensors 13 2 and 13 4 are provided instead of the sensor for reading the ultraviolet light-emitting ink of the above-described embodiment.
• the sensor reads the code at the end of the card, whereas in the present embodiment, the sensors 13 2 and 13 4 correspond to the marks in the first and second rows. Read. Depending on this difference, the position of the sensor will be changed, and the position of the window of the base plate will be changed. If necessary, a light for illuminating the card will be provided.
• FIG. 16 shows an algorithm for determining the number of marks. This algorithm is executed by the judgment computer device.
• the determination computer device receives the detection signals of the first reading sensor 13 2 and the second reading sensor 13 4. Based on this detection signal, the number of marks in the first and second rows is specified. Then, the processing in FIG. 16 is performed using the number of marks in the first and second columns.
• the determination computer device determines whether or not the number of marks has been specified (S10). As is well known, complex pictures are printed on the picture cards (J, Q, K). Therefore, the number of marks is not specified. In this case, it is determined that the number of marks is 10 (S12). This is appropriate because baccarat treats J, Q, and K as 10 (or 0).
• S10 is NO
• the determination computer determines whether or not the number of marks in the first row is 0 (S14). If 314 is ⁇ 3, it is determined whether or not the number of marks in the second column is 1 (S16). If S14 is YES, it is determined that the number of marks is 1 (A) (S18).
• the symbol A of the spade has a size within a certain range.
• the size of the A pattern in the spade should be large enough to be distinguished from the picture card.
• a of the spade may be detected like other A.
• the determination computer unit 90 determines whether a mark different from the picture card but larger than the other marks has been detected, and when such a mark is detected.
• the target card may be determined to be Spade A. This step is inserted, for example, after S10 (not shown). Here, it is considered that the A of the speed is larger or more complex than other marks such as A.
• the A in the spade may be a mark of the same size and size as the other spades.
• the judgment computer judges whether or not the number of marks in the second column is 2 (S, 26). If S26 is YES, it is determined whether or not the number of marks in the second row is 0 (S28). If S28 is YES, it is determined that the number of marks on the card is 4 (S30), and if S28 is NO, it is determined that the number of marks is 5 (S32).
• the judgment computer judges whether or not the number of marks in the first row is three (S34). If S34 is YES, it is determined whether or not the number of marks in the second row is 0 (S36). If S36 is YES, it is determined that the number of marks on the card is 6 (S38). If S36 is NO, it is determined whether or not the number of marks in the second column is 1 (S40). If S40 is YES, the number of marks Is determined to be 7 (S42), and if S40 is NO, it is determined that the number of marks is 8 (S44).
• the judgment computer judges whether or not the number of marks in the second column is 1 (S46). If S46 is YES, the number of marks is determined to be 9 (S48), and if S46 is NO, the number of marks is determined to be 10 (S50).
• the processing in FIG. 16 can determine the number of marks on the force (the number of cards) using the arrangement characteristics of the marks on the card.
• the number of marks is processed by the determination computer device as climb-up easy card information and retraction output-side information. Then, the appearance information and the outgoing information are collated, and it is determined whether or not the two match.
• a force mark may be read in order to obtain entry card information and exit card information.
• the mark can be read with a simple configuration by using the arrangement of the mark.
• the number of marks is specified by the processing in FIG.
• the algorithm of FIG. 16 may be modified.
• the number of marks in the second column may be determined first.
• a table corresponding to the algorithm in FIG. 16 may be stored in the determination computer device. In this table, the combination of the number of marks in the first and second columns is associated with the number of marks on the card. This table is consulted to determine the number of cards.
• the number of marks on a card may be obtained by calculation. In this case, twice the number of marks in the first column and the number of marks in the second column are added.
• three sensors may be provided corresponding to the three mark rows.
• the total number of marks detected by the three sensors is calculated. This sum represents the number of marks.
• ranks (A, 1, 2,, 10, 0, J, Q, K) Is printed. This rank may be photographed by a camera, and the rank may be specified by image processing. However, compared to such a configuration, the configuration using the above-described mark arrangement is simpler.
• FIG. 17 there are nine rows of marks in the horizontal direction of the card.
• the upper part of FIG. 17 is an eight card, which shows five mark rows P 1-P 5.
• the lower row of FIG. 17 is the 10 card, and shows the remaining four mark strings Q 1-Q 4. Note that, among the nine mark columns, there are columns (P2, P4, Q1, Q4) in which only one mark can exist. In this embodiment, such a case is also called a mark sequence.
• five sensors are provided so as to detect marks in five of the nine mark rows.
• the five mark rows are in the middle mark row, one of the mark rows at both ends, the two mark rows on both sides in the center of the eight card, and the 10 card (the same applies to the 9 card). It is one of the two mark rows on both sides of the center.
• reading sensors 140 to 148 are provided so as to correspond to the mark rows P1, P2, P3, P4, and Q2. . These sensors are actually arranged on the base plate at appropriate intervals. Also, ? 2 and (32) may be read by one sensor. In this case, reading of five lines may be realized by providing four sensors.
• the reading sensors 140 to 148 may be the same as those in the above-described embodiment. That is, the reading sensors 140 to 148 are constituted by a camera, and output signals for discriminating a mark portion and a base portion on the force. The detection signal is sent to the determination computer device, which determines the number of marks in each row.
• the card is slid in the horizontal direction.
• the sliding direction is perpendicular to the sliding direction of the embodiments described above.
• the configurations of the guide rail, the card sensor, and the like are changed to conform to this difference.
• FIG. 18 shows the processing executed by the determination computer device. In this process Thus, the number of marks on the card is specified.
• the determination computer device determines whether or not the number of marks has been specified (S100). When a picture card, Q, K) is read, the number of marks is not specified. In this case, it is determined that the number of marks is 10 (S102). This is the same as in the above embodiment.
• the determination computer determines whether or not the number of marks of P1 is 0 (S104). If S104 is YES, it is determined that the number of marks is 1 (S106).
• the processing of the spade A may be the same as in the above embodiment.
• the determination computer determines whether P1 is 1 (S108). If S108 is YES, it is determined whether P3 is 0 or not (S110). If S110 is YES, it is determined that the number of marks is 2 (S112), and if S110 is NO, it is determined that the number of marks is 3 S114).
• the determination computer determines whether P3 is 0 (S116). If S116 is YES, it is determined whether or not Q2 is 0 (S118). If S118 is YES, it is determined that the number of marks is 4 (S120), and if S118 is NO, it is determined that the number of marks is 10 (S122)
• the determination computer determines whether P3 is 1 (S124). If S124 is YES, it is determined whether or not Q2 is 0 (S126). If S126 is YES, it is determined that the number of marks is 5 (S128), and if S126 is NO, it is determined that the number of marks is 9 (S130).
• the determination computer determines whether P2 is 0 (S132). If S132 is YES, it is determined whether P4 is 0 or not (S134). If S134 is YES, it is determined that the number of marks is 6 (S136), and if S134 is NO, it is determined that the number of marks is 7 (S138). If S132 is N ⁇ , the computer for judgment determines whether P4 is 0 (S140). If S140 is YES, it is determined that the number of marks is 7 (S1422), and if S140 is NO, it is determined that the number of marks is 8 (S14).
• the algorithm may be modified, and a table may be prepared in advance and referred to by the determination computer. Further, the number of marks may be calculated from the detection result of the sensor. In this case, at least marks in the Q1 column or the Q4 column are detected in addition to the five columns described above. Of course, more rows of marks may be detected.
• the number of marks is detected by a relatively simple configuration.
• the embodiment of FIG. 15 described above requires a smaller number of sensors and has a simpler configuration.
• FIG. 19 shows a configuration for reading a code in the present embodiment.
• a guide 150 is provided on a table for guiding cards.
• the guide 150 is provided on a base plate 152 embedded in the table. Guide 150 may be mounted directly to the table.
• the guide 150 has an L-shape as a whole as shown.
• the guide 150 is composed of a long side guide 154 and a short side guide 156, both of which guide the long side and the short side of the card, respectively.
• the long side guide 154 and the short side guide 156 are rod-shaped and connected at right angles.
• the long side guides 154 and 156 of the guide 150 have a guide wall portion 158 and a cover portion 160.
• Hippo part 1 600 is the guide wall
• From 1 58 extends parallel to the base plate 15 2. As a result, a gap 162 is formed between the force par portion 160 and the base plate 152.
• the card is inserted into the gap 162 by the dealer. Then, the dealer slides the card appropriately and touches the long side and the short side of the card against the guide wall portion 158 of the long side guide 154 and the short side guide 156. Let Thus, the card is guided to a predetermined reading position. That is, the predetermined reading position is a position where both the long side and the short side of the card hit the guide wall 158.
• card confirmation sensors 16 4 and 16 6 are provided below the cover part 16 0 of the long side guide 15 4 and the short side guide 15 6. These sensors 164 and 166 are mounted on the back side of the base plate 152 using a suitable plate (not shown) as shown in the above-described embodiment.
• the card confirmation sensors 164 and 1666 are photoelectric sensors and have a function of detecting the presence or absence of a card. In order to ensure this function, the base plate 15 2 and the guide 150 are positioned at the positions corresponding to the card confirmation sensors 16 4 and 16 6, and the windows 16 6, 17 0, 17 2,
• code reading sensors 178—188 are provided below the cover part 160 of the long side guide 154. These sensors 178-188 are also mounted on the back side of the base plate 152 using a suitable plate.
• the code reading sensor 178-188 is one of the black light type sensors used in the above embodiment. That is, the sensor is provided with a black light LED, and ink that responds to the black light is detected.
• the code reading sensors 178-188 are arranged at regular intervals along the long side guide 154 and are arranged at equal intervals in FIG. Also, code reading sensor 1 7 8
• a window 182-2-192 for the sensor is provided on the base plate 152-2.
• FIG. 21 shows a card applied to the present embodiment.
• the card code is represented by six circles. These six circles represent the forces that are coded, in binary principle. In binary, a 6-digit code can represent 64 integers. A different number is assigned to each of the cards in a deck (1, 2, 3,,, J, K, and Q for spades, hearts, diamonds, and clubs) using an integer of 6-4. A circle mark is provided at a position corresponding to the assigned number. Therefore, although six circles are shown in FIG. 21, the actual force has a circle mark only at the position corresponding to the number assigned to the card.
• the code in Figure 21 is printed on the card using ink that is invisible to the naked eye under normal use conditions.
• the positions of the six circle marks correspond to the positions of the code reading sensors 1788-188.
• the dealer slides the card on the table toward guide 150 (eg, in the direction of the arrow in Figure 20).
• the card is inserted into the gap 162 below the cover part 160 of the guide 150.
• the long side and the short side of the force strike the guide walls 158 of the long side guide 154 and the short side guide 156, respectively, and the card stops.
• the card is guided to the reading position and positioned.
• FIG. 22 shows the positional relationship between the force and the sensor.
• the card confirmation sensors 164 and 166 simultaneously detect the presence of the card.
• the attitude determination unit of the determination computer device determines that the attitude of the card is appropriate. The judgment result is output using an output device such as an appropriate LED device.
• the positions of the six circle marks of the force correspond to the code reading sensors 178-180, respectively.
• the judgment computer instructs the code reading sensor 178-180 to read the code.
• each of the code reading sensors 178 to 180 detects the presence or absence of the facing circular mark. If there is a circle mark, the circle mark is visualized by the black light and detected by the sensor.
• Each of the sensors 178 to 180 outputs a detection signal indicating the presence or absence of a circle mark.
• the device stores the correspondence between the card and the code.
• the card is specified from the detection signal with reference to this correspondence.
• the specified information is used as the appearance card information and the like, and the fraud is determined.
• the determination and the output of the result may be performed in the same manner as in the above embodiment.
• the above-mentioned LED device may be provided for outputting the judgment result.
• the code on the card is read by an appropriate configuration, and the fraud is detected.
• the codes correspond to the marks (rank and suit) of the card.
• the present invention is not limited to this.
• the code does not have to correspond to the mark on the card. This point is as described above.
• the fraud detection device of the present invention determines whether the entering card and the leaving card match, and outputs a determination result. Therefore, when a card is illegally replaced during a game, this replacement action can be detected.
• the device of the present invention only needs to be able to acquire the information of the entering card and the leaving card. For example, in a Baccarat game, there are a maximum of 6 cards and exit cards. Therefore, since there is no need to provide a means for transferring a set of cards, the apparatus can be configured simply and inexpensively.
• the fraud detection device of the present invention can detect fraud in a card game by a simple configuration including a reader provided at or near a table. Conventionally, a device for continuously transferring cards may not be provided. And fraud can be detected on the spot.
• the mark reading device of the present invention can specify the number of marks with a simple configuration, paying attention to the fact that the pattern of the mark arrangement on the card is determined.
• Industrial applicability INDUSTRIAL APPLICABILITY As described above, the card game fraud detecting device of the present invention is useful as a device for detecting fraudulent activities that cannot be easily detected by humans in a casino or the like.

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• 2003
  • 2003-01-14 JP JP2003005319A patent/JP2004215806A/ja active Pending
  • 2003-12-26 US US10/542,073 patent/US20060247036A1/en not_active Abandoned
  • 2003-12-26 WO PCT/JP2003/016879 patent/WO2004062754A1/ja not_active Ceased
  • 2003-12-26 AU AU2003292673A patent/AU2003292673A1/en not_active Abandoned
• 2007
  • 2007-10-30 US US11/929,749 patent/US7967672B2/en not_active Expired - Lifetime
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• 2014
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