Illumination device and gaming machine equipped with same
US12333892B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2023 |
| Grant date | Jun 17, 2025 |
| Priority date | — |
| Expiry date | Jan 17, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/329
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An illumination device 10 includes a reel 13a, a roulette wheel 14c, a motor 14i, an LED tape 14bb, a light guide plate 14e, and a control unit 16. The roulette wheel 14c is provided to the reel 13a and has first graphics formed thereon. The center of rotation of the motor 14i is the center of the roulette wheel 14c. The LED tape 14bb is provided on the front side of the roulette wheel 14c and emits light. The light guide plate 14e is provided on the front side of the roulette wheel 14c, and the light emitted from the LED tape 14bb is incident thereon. The control unit 16 controls the LED tape 14bb so as to switch between a display produced by the light guide plate 14e and a display of the first graphics on the roulette wheel 14c by lighting or not lighting the incident surface of the light guide plate 14e, according to the state of play on a gaming machine 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.