Method for using a light valve to reduce the visibility of an object within a gaming apparatus
US7309284B2 · kind B2 · utility
101Cited by
77References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2004 |
| Grant date | Dec 18, 2007 |
| Priority date | — |
| Expiry date | Sep 3, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/34
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A gaming apparatus is disclosed that includes a housing, a value input device, a transparent panel having an outer surface and an inner surface, and a plurality of mechanically rotatable slot reels disposed in the housing so that the mechanically rotatable reels are visible to a player through the transparent panel. The gaming apparatus also having a light valve that includes a suspended particle device disposed between the inner surface and the slot reels, and a controller coupled to the light valve to cause the light valve to become opaque to substantially block the view of the slot reels to the player.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.