Keyboard for a handheld electronic device
US7898440B2 · kind B2 · utility
16Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 2, 2007 |
| Grant date | Mar 1, 2011 |
| Priority date | — |
| Expiry date | Dec 31, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2221/014
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A keyboard for a handheld device includes several input keys; a front panel for mounting on an outer surface of the handheld and formed with a mounting hole for receiving a respective one of the input keys; a sliding and pressing mechanism disposed below the front panel to permit sliding movement of the input key in vertical or horizontal direction of the mounting hole; and a spring unit for providing a restoration force that permits the respective input key to retrieve its initial position upon removal of an applied force.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.