Stop-control method of reels in a rotary gaming machine and its apparatus
US5154421A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1990 |
| Grant date | Oct 13, 1992 |
| Priority date | — |
| Expiry date | Dec 17, 2010 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3244
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The present invention relates to a method and its apparatus for controlling stop action of the rotary units in a rotary type gaming machine such as a slot machine. According to the method and the apparatus of the present invention, the appearance rate of each symbol of the reel at the stop position can be controlled at will by allotting a voluntarily set weighting to each symbol shown on the rotary unit prior to the execution of a game, and during the game, it can make appear and stop either one of the symbols at the aforementioned stop position with an appearance rate corresponding to the allotted weighting. By means of this, it is made possible to change the payout rate with an extremely simple work.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.