Illuminated keyboard
US10032577B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2017 |
| Grant date | Jul 24, 2018 |
| Priority date | — |
| Expiry date | Feb 1, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2231/002
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides an illuminated keyboard, including a plurality of keys, a metal plate, a thin film circuit board, and a backlight module. The metal plate includes a plurality of metal domes, disposed below the keys, and correspondingly located above a plurality of electrical contact parts of the thin film circuit board. When a user presses each of the keys downward, the metal dome properly moves downward to get in contact with the corresponding electrical contact part to conduct the electrical contact part and generate a corresponding key signal. The backlight module is disposed below the thin film circuit board, and a plurality of light beams emitted from the backlight module is projected to the keys.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.