Patent ID: 7579809

Claim:
A method of charging including: forming a first electrical connection directly between a first wireless adapter having a battery and a second wireless adapter without an intermediary device, wherein: the first wireless adapter and the second wireless adapter are configured to provide wireless communications capability for a legacy device that does not have wireless communication capabilities and a host that does not have wireless communication capabilities by coupling, respectively, to the legacy device and the host and exchanging data on a wireless channel on behalf of the legacy device or the host to which the first wireless adapter or the second wireless adapter is respectively coupled during a data exchange mode; and the first wireless adapter is configured to be able to be removably coupled to the legacy device to provide the wireless channel between the device and the host; forming a second electrical connection directly between the second wireless adapter and the host without an intermediary device; and charging the battery of the first wireless adapter via the second wireless adapter using the host.