USB keyboard having blue tooth device
US6659665B1 · kind B1 · utility
1Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 2003 |
| Grant date | Dec 9, 2003 |
| Priority date | — |
| Expiry date | Mar 20, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0231
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A keyboard assembly includes an interface facility having a USB plug for coupling to computer facility and an interface switching device coupled to the USB plug. A keyboard facility includes an interface device coupled to the interface facility, an electric power supply device coupled to the interface device to receive electric power from the computer facility, and a keyboard matrix device to detect and send signals of the keyboard assembly to the computer facility. A blue tooth facility is coupled to the interface facility, and includes a signal transforming device and an antenna to receive and send signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.