Patents Assigned to Universal de Desarrollos Electronicos, S.A.
  • 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
  • Security system for reel type slot machine with physical mapping to control the win odds
    Patent number: 5879234
    Abstract: The present invention relates to security system for a gaming apparatus and method for its operation. It further relates to a gaming apparatus incorporating an electronic security system. 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 security system provides a safeguard against unauthorized alteration of the machine parameter that could effect its outcome. The present invention is particularly appropriate for application in slot machines.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: March 9, 1999
    Assignee: Universal de Desarrollos Electronicos, S.A. (UNIDESA)
    Inventor: Antoni Mengual