Touch keypad assembly
US8119938B2 · kind B2 · utility
2Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2009 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Apr 24, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2217/960755
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A touch keypad assembly (100) includes a main board (10), a metal dome (40) disposed on a predetermined position of the main board, a touchpad layer (30) disposed on the metal dome, a keypad cover (20) disposed over the touchpad layer, and a light guide film (60) disposed between the metal dome and the keypad cover. The touchpad layer is a flexible printed circuit board.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.