Small form-factor keypad for mobile computing devices
US8373663B2 · kind B2 · utility
3Cited by
233References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2009 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Mar 23, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2250/70
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of the invention provide an effective keypad assembly and keypad layout for mobile computing devices. In particular, embodiments of the invention provide keyboard layouts and designs. Additionally, embodiments described herein provide for stack components to make keyboards operable on small-form factor devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.