Wireless transmission module and method thereof and peripheral input device of wireless data processing device using the module/method
US7167722B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Mar 16, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A wireless transmission module comprises: a first transceiver used to broadcast and to receive signals in a first frequency band; a second transceiver used to broadcast and to receive signals in a second frequency band; a switching circuit used to provide a single path of transmission and to control the its switches between the first transceiver and the second transceiver; and a processing unit used to control the switching circuit to switch the path of transmission from the first transceiver to the second transceiver when using the first frequency band of signal to communicate with a wireless device is not possible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.