Hand-held electronic device with a keyboard optimized for use with the thumbs
US6611255B2 · kind B2 · utility
76Cited by
65References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2002 |
| Grant date | Aug 26, 2003 |
| Priority date | — |
| Expiry date | Jun 11, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H2225/022
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A hand-held electronic device with a keyboard optimized for use with the thumbs is disclosed. In order to operate within the limited space available on a hand-held electronic device, the present invention optimizes the placement and shape of the keys, preferably using keys that are oval or oblong in shape, and that are placed at angles designed to facilitate thumb-typing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.