U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Automatic shuffling apparatus

Patent 4586712 Issued on May 6, 1986. Estimated Expiration Date: Icon_subject May 6, 2003. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Computerized card shuffling machine
Patent #: 4497488
Issued on: 02/05/1985
Inventor: Plevyak ,   et al.

Device for reducing predictability in card games Patent #: 4512580
Issued on: 04/23/1985
Inventor: Matviak

Inventors

Application

No. 06/417885 filed on 09/14/1982

US Classes:

273/149R, Card shufflers and dealers221/224Plural or combined with manipulating means

Examiners

Primary: Pinkham, Richard C.
Assistant: Picard, Leo P.

Attorney, Agent or Firm

International Classes

A63F 1/00 (20060101)
A63F 1/12 (20060101)

Abstract

A method and apparatus for the continous shuffling of discarded playing cards is disclosed which greatly reduces the dead time caused by the casino dealer having to manually shuffle four to six decks of playing cards, in addition, to virtually eliminating a participant from using the technique known as card counting while playing the game of blackjack. The shuffling apparatus continuously intermixes the discarded playing cards into the undealt decks during game play under the program control of a computer. An addressable storage device, i.e., a carousel, for storing the shuffled playing cards in radially arranged spaces during game play is provided. The computer generates random card selection from the spaces of the storage device for replenishing dealing shoe storage on a one-for-one basis and generates random selection of empty spaces in the storage device for generating the shuffling sequence in inserting discarded playing cards therein.

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