Indexing: Magnetic Patents (Class 273/143C)
  • Reel type slot machine with physical mapping to control the win odds
    Patent number: 5938196
    Abstract: The present invention relates to a gaming apparatus and method for its operation. The gaming apparatus includes one or more physical displays that rotate about at least one axis. These displays are physically associated with a mechanism that controls the odds of the reel stopping at any particular reel position in such a manner that the probability of stopping at least one position differs from the probability of stopping at least one other position. The present invention is particularly appropriate for application in slot machines.
    Type: Grant
    Filed: May 7, 1997
    Date of Patent: August 17, 1999
    Assignee: Universal de Desarrollos Electronicos, S.A.
    Inventor: Eduardo Antoja
  • Tri state thumb wheel
    Patent number: 5096203
    Abstract: A board game apparatus is provided and consists of a plurality of changeable playing indicating pieces that are each built into a top surface of a playing board housing being a playing field zone so that one portion of each playing indicating piece will always extend above the top surface to be utilized during the play of the game.
    Type: Grant
    Filed: January 31, 1991
    Date of Patent: March 17, 1992
    Inventors: Moshe Elstein, George Spector