Input device with multiple sets of input keys
US8928499B2 · kind B2 · utility
3Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2007 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Sep 16, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2203/0337
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An input device is disclosed that includes keys on a first surface and a second surface of the input device. At least some of the keys are operably coupled to a matrix including a switch for each key therein. When one of the keys is pressed, the corresponding switch is activated to provide a signal indicative thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.