JAM DETECTION IN A CARD SHUFFLER

• US 20120161393A1
• Filed: 03/05/2012
• Published: 06/28/2012
• Est. Priority Date: 09/14/2004
• Status: Active Grant

• Current Assignee: LNW Gaming Incorporated (Light & Wonder Incorporated)
• Original Assignee: SHFL Entertainment Incorporated (Light & Wonder Incorporated)
• Inventors: Krenn, Peter, Blaha, Ernst
• Granted Patent: US 8,628,086 B2
• Time in Patent Office: Days
• US Class Current: 273/149.R
• CPC Class Codes: A63F 1/12 Card shufflers
• CPC Class Codes: A63F 1/14 Card dealers
• CPC Class Codes: G07F 17/3293 Card games, e.g. poker, canasta, black jack

Abstract

A shuffling device for playing cards and method of shuffling cards is provided where a first group of cards is moved within the device to form a randomized second group of cards. The device comprises moving parts that assist in the movement of cards within the shuffling device; a processor in informational connection with the shuffling device; a sensor that detects at least one of speed, distance and force of at least one moving part and provides a signal to the processor regarding detection of at least one of speed, distance and force; and the processor containing a program that interprets the signal to detect significant variations in at least one of speed, distance and force of the moving part.

Claims

1. A shuffling device for randomizing playing cards, the device comprising:

components for contacting at least one playing card within the shuffling device to initiate or suspend movement of the at least one playing card;

a processor in informational connection with the shuffling device;

at least one sensor configured and positioned to detect, without reference to playing card movement or position, values of an operational parameter of one or more of the components consisting of at least one of speed of movement of, distance of movement of, time of movement of, power supplied for movement of, force applied to, and torque applied to the one or more components and to provide a signal to the processor representative of one or more values of at least one of speed of movement of, distance of movement of, time of movement of, power supplied for movement of, force applied to and torque applied to the one or more components;

the processor programmed to interpret the signal to recognize a departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values.

2. The shuffling device of claim 1, wherein the processor is programmed to interpret a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values as an indication that a defect in operation of the shuffling device has occurred.

3. The shuffling device of claim 1, wherein the processor is programmed to interpret a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values as an indication of a playing card jam within the shuffling device.

4. The shuffling device of claim 3, wherein the processor is programmed to automatically reverse a direction of movement of at least one card in response to the indication of a jam.

5. The shuffling device of claim 1, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

6. The shuffling device of claim 2, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

7. The shuffling device of claim 3, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

8. The shuffling device of claim 2, wherein the shuffling device further comprises a carousel or fan having multiple compartments into which at least one card is randomly placed.

9. The shuffling device of claim 1, wherein the at least one sensor is selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors

10. The shuffling device of claim 3, wherein the shuffling device further comprises a carousel or fan having multiple compartments into which at least one card is randomly placed from the first group of cards.

11. The shuffling device of claim 2, wherein the shuffling device further comprises a carousel or fan having multiple compartments into which at least two cards are randomly placed, one at a time, from the first group of cards.

12. The shuffling device of claim 3, wherein the shuffling device further comprises a carousel or fan having multiple compartments into which at least two cards are randomly placed, one at a time, from the first group of cards.

13. The shuffling device of claim 2, wherein the shuffling device further comprises an elevator comprising a single card-mixing compartment into which one card at a time is randomly placed from the first group of cards into an increasing collection of cards in the mixing compartment.

14. The shuffling device of claim 3, wherein the shuffling device further comprises an elevator comprising a single card-mixing compartment into which one card at a time is randomly placed from the first group of cards into an increasing collection of cards in the mixing compartment.

15. The shuffling device of claim 2, wherein the shuffling device further comprises a stack of multiple compartments into which at least two cards are randomly placed, one at a time, from the first group of cards.

16. The shuffling device of claim 3, wherein the shuffling device further comprises a stack of multiple compartments into which at least two cards are randomly placed, one at a time, from the first group of cards.

17. The shuffling device of claim 1, wherein the shuffling device is configured to randomly eject playing cards out of a first set of cards, transport the randomly ejected cards to a card-receiving area, and collect the cards on the card-receiving area as a randomized set of cards.

18. The shuffling device of claim 1, wherein the shuffling device is configured to randomly insert cards from a first group of cards into an accumulating randomized set of cards by randomly separating the randomized set of cards into at least two segments and inserting one card at a time into a space between the two segments.

19. A method of detecting deficiencies in the operation of a playing card-shuffling device, the method comprising:

moving one or more components for contacting at least one playing card within the shuffling device to initiate or suspend movement of the at least one playing card;

detecting with at least one sensor, without reference to playing card movement or position, values of an operational parameter of the one or more of the components consisting of at least one of speed of movement of, distance of movement of, time of movement of, power supplied for movement of, force applied to, and torque applied to the one or more components and providing a signal to a processor representative of one or more values of at least one of speed of movement of, distance of movement of, time of movement of, force applied to and torque applied to the one or more components;

the processor interpreting the signal to recognize a departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values.

20. The method of claim 19, wherein the processor interprets a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values as an indication of a defect in operation of the shuffling device has occurred.

21. The method of claim 19, wherein the processor interprets a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values as an indication of a playing card jam within the shuffling device.

22. The method of claim 19, wherein moving one or more components comprises moving at least one of a shaft, a roller, a pusher, a grip and an elevator.

23. The method of claim 20, wherein moving one or more components comprises moving at least one of a shaft, a roller, a pusher, a grip and an elevator.

24. The method of claim 21, wherein moving one or more components comprises moving at least one of a shaft, a roller, a pusher, a grip and an elevator.

25. The method of claim 19, further comprising detecting values of the operational parameter with the at least one sensor selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors.

26. The method of claim 20, further comprising detecting values of the operational parameter with the at least one sensor selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors.

27. The method of claim 21, further comprising detecting values of the operational parameter with the at least one sensor selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors.

28. A playing card-shuffling device, comprising:

a card input portion for receiving cards to be shuffled;

a card-shuffling portion for receiving cards from the card input portion and outputting shuffled cards to a card outlet portion with at least one moving part of the shuffling device;

the card outlet portion being adapted for coupling to a first output card receiver when it is desired to remove shuffled cards one at a time from the shuffling device, and the card outlet portion being adapted for coupling to a second output card receiver when it is desired to remove a group of shuffled cards at a time from the shuffling device;

a processor in informational connection with the shuffling device;

at least one sensor configured and positioned to detect, without reference to playing card movement or position, values of an operational parameter of one or more of the components consisting of at least one of speed of movement of, distance of movement of, time of movement of, power supplied for movement of, force applied to, and torque applied to, the one or more components and to provide a signal to the processor representative of one or more values of at least one of speed of movement of, distance of movement of, time of movement of, power supplied for movement of, force applied to and torque applied to the one or more components;

the processor programmed to interpret the signal to recognize a departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values.

29. The device of claim 28, wherein the card outlet portion comprises first alignment features for aligning with corresponding second alignment features on the first output card receiver and the second output card receiver.

30. The shuffling device of claim 28, wherein the processor is programmed to interpret a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of acceptable values as an indication of a defect in operation of the shuffling device has occurred.

31. The shuffling device of claim 28, wherein the processor is programmed to interpret a recognized departure in the operational parameter of the one or more components from one of an acceptable value and range of values as an indication that a playing card jam has occurred within the shuffling device.

32. The shuffling device of claim 28, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

33. The shuffling device of claim 30, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

34. The shuffling device of claim 31, wherein the one or more components comprise at least one of a shaft, a roller, a pusher, a grip, and an elevator.

35. The shuffling device of claim 28, wherein the shuffler further comprises a carousel or fan having multiple compartments into which at least one card is randomly placed from the first group of cards.

36. The shuffling device of claim 28, wherein the shuffler further comprises a carousel or fan having multiple compartments into which at least two cards are randomly placed, one at a time, from the first group of cards.

37. The shuffling device of claim 30, wherein the at least one sensor is selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors.

38. The shuffling device of claim 31, wherein the at least one sensor is selected from the group consisting of electronic sensors, electromechanical sensors, magnetic sensors, mechanical sensors and optical sensors.