Light-emitting keyboard
US7709760B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2008 |
| Grant date | May 4, 2010 |
| Priority date | — |
| Expiry date | Dec 17, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0202
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention is related to a light-emitting keyboard, comprising: a light guide having a light entrance surface, a bottom surface and a light exit surface; a light source provided adjacent to the light entrance surface of the light guide; a first reflector disposed underneath the bottom surface of the light guide to reflect the light originated from the light source to enter into said light guide; a second reflector disposed on top of said light exit surface of the light guide; a membrane circuit board disposed on top of said second reflector, said membrane circuit board being provided with an elastic member; a supporting plate disposed on top of the membrane circuit board; a scissor assembly engaged with said supporting plate and provided thereon; and a keycap supported by said scissor assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.