Keno machine with two separate plays
US5651735A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 1, 1994 |
| Grant date | Jul 29, 1997 |
| Priority date | — |
| Expiry date | Nov 1, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3244
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The keno playing machine according to the present invention comprises selecting means for selecting a plurality of the keno balls less than a set number out of keno balls displayed on a display screen in accordance with a player's operation, extracting means for extracting at random a required number of the keno balls out of the keno balls displayed on the display screen, first counting means for comparing the extracted keno balls to the selected keno balls to count hit winning balls, additionally extracting means for additionally extracting a required number of the keno balls out of the rest keno balls except said extracted keno balls when a number of the winning balls counted by the first counting means is above a set number, second counting means for comparing the additionally extracted keno balls to the selected keno balls to count a number of hit winning balls, and paying means for paying odds, based on a total of said number of the winning balls counted by the first counting means and said number of the additional winning balls counted by the second counting means, whereby addition of extra games can increase higher hit probabilities without changes to total hit probabilities…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.