Key input device
US7351928B2 · kind B2 · utility
7Cited by
10References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 8, 2005 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | Jan 23, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0202
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A key input device includes a key input unit and an illuminating unit. The key input unit has a key cap, movable mechanism, pressure sensing part, and a frame housing these components. The illuminating unit illuminates the key cap from the bottom of this key input unit through the movable mechanism and the pressure sensing part. The key input unit and the illuminating unit are configured in such a way that they are independently waterproofed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.