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Method and system for implementing mystery bonus in place of base game results on gaming machine

  • US 9,997,007 B2
  • Filed: 10/01/2009
  • Issued: 06/12/2018
  • Est. Priority Date: 10/01/2009
  • Status: Active Grant
First Claim
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1. A gaming device comprising:

  • a base game having a base game display;

    a bill acceptor associated with the gaming device for receiving and validating one of a bill and a ticket received at the acceptor;

    a credit meter on the gaming device, the credit meter being operable to display credits available for play when the one of a bill and ticket is received;

    a random number generator operable with the base game to obtain a base game result for each play of the base game, each result comprising a combination of symbols that may be a winning result or a losing result, the base game display operative to display the base game result on a result display;

    a counter configured to count the number of base game results to a predefined threshold;

    a bonus result comprising a winning combination of symbols generated independently from the base game results determined by the random number generator;

    a delay circuit for delaying display of the bonus result until the next non-winning result produced by the base game if the base game result that advanced the counter to the predefined threshold is a winning result;

    a bonus game award mechanism configured to display the bonus result on the result display in place of and substituting for the next non-winning result produced by the base game after the threshold is reached and award a bonus to a player;

    a ticket printer associated with the gaming device; and

    a ticket issued by the ticket printer reflecting the balance of credits that remain on the gaming device.

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