EP3068257A1 - Card back design as a way to prevent card sorting - Google Patents

Card back design as a way to prevent card sorting

Info

Publication number
EP3068257A1
EP3068257A1 EP14862241.8A EP14862241A EP3068257A1 EP 3068257 A1 EP3068257 A1 EP 3068257A1 EP 14862241 A EP14862241 A EP 14862241A EP 3068257 A1 EP3068257 A1 EP 3068257A1
Authority
EP
European Patent Office
Prior art keywords
card
elements
design
playing
playing card
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14862241.8A
Other languages
German (de)
French (fr)
Other versions
EP3068257A4 (en
EP3068257B1 (en
Inventor
Kurt JESSEN
Matt OLDENDICK
Chris Mccormick
Josh BOGARD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Playing Card Co
Original Assignee
US Playing Card Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by US Playing Card Co filed Critical US Playing Card Co
Publication of EP3068257A1 publication Critical patent/EP3068257A1/en
Publication of EP3068257A4 publication Critical patent/EP3068257A4/en
Application granted granted Critical
Publication of EP3068257B1 publication Critical patent/EP3068257B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • A63F1/02—Cards; Special shapes of cards
    • 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
    • A63F1/02—Cards; Special shapes of cards
    • A63F2001/022—Manufacturing of cards
    • 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
    • A63F1/04—Card games combined with other games
    • A63F2001/0491—Card games combined with other games having markings on the rear face or reverse side
    • 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 playing cards, and more particularly playing card back designs to prevent card sorting.
  • Playing cards are an essential functional element of many casino table games. Casinos rely on manufacturers of cards to provide defect free products and expect that cards will not be "marked” in any way by printing defects. Playing cards back designs are a critical aesthetic element of table game play for the casino as they contain pleasing patterns and the casino logo.
  • the manufacturing process for cards has sources of variance in the final appearance of the artwork on the card.
  • Primary sources of variances occur during printing and when cutting the playing card shapes. These variances can cause the design to be skewed with respect to the card edges as cut and is often referred to in the industry as "cut registration.” When this variances occur and a regular pattern is used for the back design, the variances can be obvious to the human eye.
  • edge sorting For example, if all of the high value cards are rotated with respect to the rest of the deck, it will be obvious to the players when viewing the card backs on subsequent games that a high value card is in play before the rank and suit (face) is revealed. Players can use this to their advantage when placing their wagers, or by changing their bets in the middle of game before cards faces are exposed. This gives the players an unfair advantage over normal game odds and can lead to significant losses in revenue for the casino.
  • the present invention utilizes playing cards back designs to decrease the ability to perform card edge sorting in a card game.
  • the playing cards having a back design made up irregular design elements.
  • the irregular design elements mask the variances, making the differing pattern in the edge cuts difficult to detect with the naked eye.
  • the irregular design element can take the form of uncommon polygons with irregular sides, where the uncommon polygons are used in a repeating pattern.
  • the use of the uncommon polygons creates a complex pattern making it difficult to discern the pattern difference along the edges of the playing cards.
  • Using uncommon polygons with greater than five sides serves to make it increasingly more difficult to detect individual elements of the repeating pattern.
  • the repetitive design pattern of the uncommon polygons can be skewed at an angle relative to the card edges.
  • the use of the skewing angle substantially prevent the formation of a uniform edge pattern, making it increasingly difficult for the detection of cut registration defects along the edges with the human eye.
  • FIG. 1 depicts a prior art card back design using regular geometric design elements
  • FIG. 2 depicts a first embodiment of a playing card back design using irregular geometric design elements
  • FIG. 3 depicts a second embodiment of a playing card back design using irregular geometric design elements
  • FIG. 4 depicts a third embodiment of a playing card back design using irregular geometric design elements, include line elements
  • FIG. 5 depicts a close up, sectional view of the embodiment of FIG, 4;
  • FIG. 6 depicts the playing card back design of FIG. 4 with a perfect cut
  • FIG. 7 depicts the playing card back design of FIG. 4 with a first imperfect cut
  • FIG. 8 depicts the playing card back design of FIG. 4 with a second imperfect cut
  • FIG, 9. depicts a fourth embodiment of a playing card back design using irregular geometric design elements
  • FIG. 10 depicts a fifth embodiment of a playing card back design using irregular geometric design elements.
  • FIG. 1 1 depicts a sixth embodiment of a playing card back design using irregular geometric design elements.
  • FIG. 1 there is provided a prior art playing card 10.
  • the 10 back design 12 includes a symmetrical, repeatable, geometric pattern made of diamond element 14.
  • the edges 16, 18, 20, and 22 of the playing card 10 includes differing pattern elements (variances).
  • a top edge 16 of the playing card 10 includes a full diamond pattern
  • a bottom edge 18 of the playing card 10 includes a half diamond pattern
  • a first side edge 20 of the playing card 10 includes a half diamond pattern
  • a second side edge 20 of the playing card 10 includes a full diamond pattern.
  • the present invention utilizes playing cards back design made up of irregular design elements.
  • the irregular design elements mask the variances, making the differing pattern in the edge cuts difficult to detect with the naked eye.
  • a playing card 30 having a back design 32 made up of uncommon polygons 34 with irregular sides, where the uncommon polygons are used in a repeating pattern.
  • the use of the uncommon polygons 34 creates a complex pattern making it difficult to discern the pattern difference along the edges 36, 38, 40, and 42 of the playing cards.
  • Using uncommon polygons 34 with greater than five sides serves to make it increasingly more difficult to detect individual elements of the repeating pattern.
  • the repetitive design pattern of the uncommon polygons 34 can be skewed at specific angle a relative to the card edges 36, 38, 40, and 42.
  • the use of the skewing angle substantially prevent the formation of a uniform edge pattern, making it increasingly difficult for the detection of cut registration defects along the edges 36, 38, 40 and 42 with the human eye.
  • FIG. 3 there is provide another embodiment of a playing card 50 having a back design 52 made up of uncommon polygons 54 with irregular sides.
  • the uncommon polygons 54 are seemingly provided in a random pattern on the back of the playing card 50.
  • the use of the uncommon polygons 54 and the seemingly random pattern creates a complex pattern making it difficult to discern the pattern difference along the edges 56, 58, 60, and 62 of the playing cards.
  • a playing card 70 having a back design 72 made up of made up of a symmetrical, repeatable, geometric pattern.
  • the back design can include uncommon polygons.
  • the design pattern is skewed at specific angle relative to the card edges 76, 78, 80, and 82, or, be skewed in a curvilinear manner.
  • Line element 86 are further provided across the back design 72, from either between the side edges 80 and 82 or the top and bottom 76 and 78 of the playing card 70.
  • FIG. 6 depicts a perfect cut playing cards 70 ⁇
  • FIG. 7 depicts an imperfect cut playing card 70" having a cut registration of 0.12
  • FIG. 8 depicts a second imperfect cut playing card 70" ⁇ having a cut registration of 0.24".
  • FIG. 8 depicts a second imperfect cut playing card 70" ⁇ having a cut registration of 0.24".
  • As can be seen in the figure is in difficult to discern the cut registration difference along the edges of the playing cards 70 ⁇ 70", and 70" ⁇
  • a playing card 90 having a back design 92 with irregular repeating patterns 94.
  • the irregular repeating patterns 94 can be in the form of a kaleidoscope effect.
  • Line elements 96, purposeful skew relative to playing card edges 98, 100, 102, and 104, can further be includes to make it increasingly difficult for the detection of cut registration defects along the edges 98, 100, 102, and 104 with the human eye.
  • a playing card in another embodiment of irregular pattern, a playing card
  • a playing card 120 is provided with a digital design 122.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Credit Cards Or The Like (AREA)
  • Pinball Game Machines (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Printing Methods (AREA)

Abstract

Playing cards are provided to preventing card edge sorting in a card game. The playing cards back design is made up of irregular design elements. The irregular design elements mask the variances, making the differing pattern in the edge cuts difficult to detect with the naked eye. The irregular design elements can take the form of not commonly recognized geometric shapes used to create a repeating pattern. The irregularities in the sides and shapes of the irregular design elements is then repeated throughout the back design. Using shapes with greater than five sides can serve to make it increasingly more difficult to detect individual elements of the repeating pattern. Some use line elements in combination with the shapes to break up the pattern and draw the eye away from specific sections making it harder to isolate the shape being used.

Description

CARD BACK DESIGN AS A WAY TO PREVENT CARD SORTING
FIELD OF THE INVENTION
The present invention relates to playing cards, and more particularly playing card back designs to prevent card sorting.
BACKGROUND OF THE INVENTION
Playing cards are an essential functional element of many casino table games. Casinos rely on manufacturers of cards to provide defect free products and expect that cards will not be "marked" in any way by printing defects. Playing cards back designs are a critical aesthetic element of table game play for the casino as they contain pleasing patterns and the casino logo.
The manufacturing process for cards has sources of variance in the final appearance of the artwork on the card. Primary sources of variances occur during printing and when cutting the playing card shapes. These variances can cause the design to be skewed with respect to the card edges as cut and is often referred to in the industry as "cut registration." When this variances occur and a regular pattern is used for the back design, the variances can be obvious to the human eye.
These variances can be used by unscrupulous players and in combination with dealer handling of the card to sort the cards by value. This is referred to as edge sorting. For example, if all of the high value cards are rotated with respect to the rest of the deck, it will be obvious to the players when viewing the card backs on subsequent games that a high value card is in play before the rank and suit (face) is revealed. Players can use this to their advantage when placing their wagers, or by changing their bets in the middle of game before cards faces are exposed. This gives the players an unfair advantage over normal game odds and can lead to significant losses in revenue for the casino.
SUMMARY OF THE DISCLOSURE
The present invention utilizes playing cards back designs to decrease the ability to perform card edge sorting in a card game. The playing cards having a back design made up irregular design elements. The irregular design elements mask the variances, making the differing pattern in the edge cuts difficult to detect with the naked eye.
The irregular design element can take the form of uncommon polygons with irregular sides, where the uncommon polygons are used in a repeating pattern. The use of the uncommon polygons creates a complex pattern making it difficult to discern the pattern difference along the edges of the playing cards. Using uncommon polygons with greater than five sides serves to make it increasingly more difficult to detect individual elements of the repeating pattern.
Furthermore, the repetitive design pattern of the uncommon polygons can be skewed at an angle relative to the card edges. The use of the skewing angle substantially prevent the formation of a uniform edge pattern, making it increasingly difficult for the detection of cut registration defects along the edges with the human eye. BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 depicts a prior art card back design using regular geometric design elements;
FIG. 2 depicts a first embodiment of a playing card back design using irregular geometric design elements;
FIG. 3 depicts a second embodiment of a playing card back design using irregular geometric design elements;
FIG. 4 depicts a third embodiment of a playing card back design using irregular geometric design elements, include line elements;
FIG. 5 depicts a close up, sectional view of the embodiment of FIG, 4;
FIG. 6 depicts the playing card back design of FIG. 4 with a perfect cut;
FIG. 7 depicts the playing card back design of FIG. 4 with a first imperfect cut
FIG. 8 depicts the playing card back design of FIG. 4 with a second imperfect cut;
FIG, 9. depicts a fourth embodiment of a playing card back design using irregular geometric design elements;
FIG. 10 depicts a fifth embodiment of a playing card back design using irregular geometric design elements; and
FIG. 1 1 depicts a sixth embodiment of a playing card back design using irregular geometric design elements.
DETAILED DESCRIPTION OF THE INVENTION
Many playing cards are manufacture with back designs having symmetrical, repeatable, and easily recognizable geometric patterns. During the manufacturing process such designs can be susceptible to cut registration issues. Cut registration issues can arise when the edges of the playing cards display differing patterns, creating variances in the design along the edges of the playing card.
Referring to FIG. 1 , there is provided a prior art playing card 10. The playing card
10 back design 12 includes a symmetrical, repeatable, geometric pattern made of diamond element 14. The edges 16, 18, 20, and 22 of the playing card 10 includes differing pattern elements (variances). A top edge 16 of the playing card 10 includes a full diamond pattern, a bottom edge 18 of the playing card 10 includes a half diamond pattern, a first side edge 20 of the playing card 10 includes a half diamond pattern, and a second side edge 20 of the playing card 10 includes a full diamond pattern. These variances can be used by unscrupulous players and in combination with dealer handling of the card to sort the cards by value.
The present invention utilizes playing cards back design made up of irregular design elements. The irregular design elements mask the variances, making the differing pattern in the edge cuts difficult to detect with the naked eye.
Referring to FIG. 2, there is provide a playing card 30 having a back design 32 made up of uncommon polygons 34 with irregular sides, where the uncommon polygons are used in a repeating pattern. The use of the uncommon polygons 34 creates a complex pattern making it difficult to discern the pattern difference along the edges 36, 38, 40, and 42 of the playing cards. Using uncommon polygons 34 with greater than five sides serves to make it increasingly more difficult to detect individual elements of the repeating pattern.
Furthermore, the repetitive design pattern of the uncommon polygons 34 can be skewed at specific angle a relative to the card edges 36, 38, 40, and 42. The use of the skewing angle substantially prevent the formation of a uniform edge pattern, making it increasingly difficult for the detection of cut registration defects along the edges 36, 38, 40 and 42 with the human eye.
Referring to FIG. 3, there is provide another embodiment of a playing card 50 having a back design 52 made up of uncommon polygons 54 with irregular sides. The uncommon polygons 54 are seemingly provided in a random pattern on the back of the playing card 50. The use of the uncommon polygons 54 and the seemingly random pattern creates a complex pattern making it difficult to discern the pattern difference along the edges 56, 58, 60, and 62 of the playing cards.
Referring to FIG. 4-5, there is provide a playing card 70 having a back design 72 made up of made up of a symmetrical, repeatable, geometric pattern. However, it is also contemplated that the back design can include uncommon polygons. The design pattern is skewed at specific angle relative to the card edges 76, 78, 80, and 82, or, be skewed in a curvilinear manner. Line element 86 are further provided across the back design 72, from either between the side edges 80 and 82 or the top and bottom 76 and 78 of the playing card 70.
Referring to FIGs. 6-8 there is shown the paying card 70 show perfect and more imperfect cut registration. FIG. 6 depicts a perfect cut playing cards 70\ FIG. 7 depicts an imperfect cut playing card 70" having a cut registration of 0.12", and FIG. 8 depicts a second imperfect cut playing card 70" Λ having a cut registration of 0.24". As can be seen in the figure is in difficult to discern the cut registration difference along the edges of the playing cards 70 \ 70", and 70" \
Referring to FIG. 9, in a further embodiment, there is provide a playing card 90 having a back design 92 with irregular repeating patterns 94. For example, the irregular repeating patterns 94 can be in the form of a kaleidoscope effect. Line elements 96, purposeful skew relative to playing card edges 98, 100, 102, and 104, can further be includes to make it increasingly difficult for the detection of cut registration defects along the edges 98, 100, 102, and 104 with the human eye.
Referring to FIG. 10, in another embodiment of irregular pattern, a playing card
100 is provided with a swirl design 102.
Referring to FIG. 1 1, in another embodiment of irregular pattern, a playing card 120 is provided with a digital design 122.
All references cited herein are expressly incorporated by reference in their entirety.
It will be appreciated by persons skilled in the art that the present invention is not limited to what has been particularly shown and described herein above. In addition, unless mention was made above to the contrary, it should be noted that all of the accompanying drawings are not to scale. A variety of modifications and variations are possible in light of the above teachings without departing from the scope and spirit of the invention, which is limited only by the following claims.

Claims

What is claimed is:
1. A playing card comprising:
a face side and a backside, the backside including a back design having a plurality of irregular shaped design elements.
2. A playing card as set forth in claims 1 , the back design further comprising a plurality of line elements.
3. A playing card as set forth in in claim 2, wherein the plurality of line elements are linear or curvilinear across the backside of the playing card.
4. A playing card as set forth in claim 3, wherein the plurality of line elements are skewed at an angle with respect a side edge of the playing card.
5. A playing card as set forth in claim 1, wherein the plurality of irregular design elements are uncommon polygons having more the five sides.
6. A playing card as set forth in claim 5, wherein the plurality of irregular design elements are provided in a regular or irregular pattern.
7. A playing card as set forth in claim 1, wherein the irregular design elements are skewed at an angle with respect a side edge of the playing card.
8. A playing card as set forth in claim 1, where in the irregular design elements are selected from a group consisting of a kaleidoscope design, a swirl design, and a digital design.
9. A method of manufacturing a playing card to prevent card edge sorting, comprising: providing a playing card including face side and a backside, and
placing a plurality of irregular shaped design elements on the backside of the playing card, wherein the plurality of irregular shaped design elements are arrange to create a complex pattern along a plurality of side edges of the playing card.
10. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 9, further comprising placing a plurality of line elements across the backside of the playing card.
11. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 10, wherein the plurality of lines element are linear or curvilinear.
12. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 1 1, wherein the plurality of line elements are skewed at an angle with respect at least one side edge of the playing card.
13. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 9, further comprising positioning the irregular design elements in a regular or irregular pattern.
14. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 13, wherein the irregular design elements are skewed at an angle with respect at least one of the side edges of the playing card.
15. A method of preventing card edge sorting in a card game, comprising:
providing a plurality of playing cards, each of the plurality of playing cards including a face side and a backside, the backside of the playing cards each having a plurality of irregular shaped design elements, wherein the plurality of irregular shaped design elements are arrange to create a complex pattern along a plurality of side edges of each of the playing cards;
dealing a hand of cards to each of at least one player;
playing the card game; and
collecting the dealt playing cards upon completion of the hand.
16. A method of preventing card edge sorting in a card game as set forth in claim 15, wherein the backside of each of the playing cards further includes a plurality of line elements.
17. A method of preventing card edge sorting in a card game as set forth in claim 15, wherein the plurality of lines element are linear or curvilinear.
18. A method of preventing card edge sorting in a card game as set forth in claim 17, wherein the plurality of line elements are skewed at an angle with respect the plurality of side edges.
19. A method of preventing card edge sorting in a card game as set forth in claim 15, wherein the irregular design elements are in a regular or irregular pattern.
20. A method of manufacturing a playing card to prevent card edge sorting as set forth in claim 19, wherein the irregular design elements are skewed at an angle with respect at least one of the side edges of the playing card
EP14862241.8A 2013-11-12 2014-10-28 Card back design as a way to prevent card sorting Active EP3068257B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361902955P 2013-11-12 2013-11-12
US201462032676P 2014-08-04 2014-08-04
PCT/US2014/062523 WO2015073200A1 (en) 2013-11-12 2014-10-28 Card back design as a way to prevent card sorting

Publications (3)

Publication Number Publication Date
EP3068257A1 true EP3068257A1 (en) 2016-09-21
EP3068257A4 EP3068257A4 (en) 2017-11-01
EP3068257B1 EP3068257B1 (en) 2019-12-04

Family

ID=53057865

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14862241.8A Active EP3068257B1 (en) 2013-11-12 2014-10-28 Card back design as a way to prevent card sorting

Country Status (7)

Country Link
US (1) US20160250546A1 (en)
EP (1) EP3068257B1 (en)
KR (1) KR20160083116A (en)
CN (1) CN105813494B (en)
ES (1) ES2774782T3 (en)
PH (1) PH22016500002U1 (en)
WO (1) WO2015073200A1 (en)

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1152605A (en) * 1915-02-03 1915-09-07 John J Coll Playing-cards.
US1887203A (en) * 1930-04-11 1932-11-08 Hampton W Hoke Playing cards
US5887873A (en) * 1997-08-21 1999-03-30 Freeman; Jon Unique deck of playing cards
JP3009665B1 (en) 1999-03-17 2000-02-14 株式会社メイクソフトウェア Card making machine, card vending machine, card and card type play equipment
WO2006004926A1 (en) * 2004-06-30 2006-01-12 Bally Gaming International, Inc. Playing cards with separable components
US20070057468A1 (en) * 2005-09-12 2007-03-15 Jbj Gaming Technologies, Llc Multi-deck playing card set and method of playing card games using same
JP2007135622A (en) 2005-11-14 2007-06-07 Shinnihon Insatsui Kk Gift providing system using one card set including cards
CN101125249A (en) * 2007-05-22 2008-02-20 宋发明 Multifunctional package packing playing cards
KR20090032356A (en) * 2007-09-27 2009-04-01 심응용 Playingcards of language
KR20100012583U (en) * 2009-06-10 2010-12-20 안길수 playing card sports playing card

Also Published As

Publication number Publication date
WO2015073200A1 (en) 2015-05-21
EP3068257A4 (en) 2017-11-01
ES2774782T3 (en) 2020-07-22
KR20160083116A (en) 2016-07-11
CN105813494A (en) 2016-07-27
PH22016500002Y1 (en) 2017-06-02
EP3068257B1 (en) 2019-12-04
PH22016500002U1 (en) 2017-06-02
US20160250546A1 (en) 2016-09-01
CN105813494B (en) 2018-06-08

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