Hand-held electronic device with hidden keyboard
US6768635B2 · kind B2 · utility
47Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 21, 2001 |
| Grant date | Jul 27, 2004 |
| Priority date | — |
| Expiry date | Jun 8, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0214
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A hand-held electronic device with a hidden keyboard, especially for small size electronic devices with a display screen (such as PDAs, mobile phones, etc), provides a keyboard coupling design to allow a retractable keyboard retreated and hidden inside a device body of the electronic device when not in use, and pulled out for data entry when in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.