Switch unit and game machine
US9995478B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 15, 2016 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Sep 6, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG07F17/34
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A switch unit has a display part configured to display an image, and an operation part provided on the display part in a stacked manner. The operation part includes a plurality of press buttons each having a pressable top surface formed to be transparent, a transparent base having a plurality of openings formed so as to be spaced from each other in positions corresponding to a display region of the display part, while avoiding a peripheral edge of the display region, and a transparent substrate provided below the base and having a light source in a position corresponding to the outer periphery of the top surface. Each of the press buttons includes, and forms into a unit, a button body having the top surface, and a frame-like light guiding body provided in a flange shape below the button body and provided so as to cover the light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.