Portable computer keyboard
US6392870B1 · kind B1 · utility
19Cited by
15References
22Claims
0Family size
Inventor
Key dates
| Filing date | Jan 24, 2001 |
| Grant date | May 21, 2002 |
| Priority date | — |
| Expiry date | Jan 24, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0231
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable keyboard enables touch typing with both hands without external support. The keyboard includes a first array of keys and a second array of keys on opposite sides of the keyboard. The keyboard is held between the hands and is supported against the palm of one hand for touch typing with both hands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.