Reel belt of gaming machine and gaming machine
US9279920B2 · kind B2 · utility
0Cited by
3References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 22, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Apr 22, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/3213
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Provided is a reel unit for a gaming machine which suppresses decrease in visibility of a reel belt due to the formation of image of light source on a reel even if light emission intensity for illuminating the reel is high. It is provided a first light diffusion sheet with translucency having a light refraction surface including a surface formed thereon for refracting light passing therethrough in various directions, the first light diffusion sheet stacked on a base sheet; and a second light diffusion sheet having the light refraction surface, the second light diffusion sheet stacked on the first light diffusion sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.