Patent ID: 7783309

Claim:
A wireless communication system which includes a plurality of channels, uses one of the plurality of channels as a specific channel, and uses another channel of the plurality of channels as a communication channel, the system comprising: a base terminal for obtaining the one of the plurality of channels as an alternative channel, generating a channel change command including information on the alternative channel, and transmitting the command on a specific channel, when there is a data error received on the communication channel; and a wireless mouse for resetting the alternative channel as a new communication channel and performing wireless communication on the communication channel which was reset, after obtaining the information on the alternative channel by receiving the channel change command from the specific channel, wherein the base terminal physically connects to a computer and interfaces data between the computer and the wireless mouse; wherein the base terminal comprises a first wireless communicator for converting a first wireless data into data that can be recognized by the base terminal and confirming whether there occurs an error on the first wireless data, when obtaining the first wireless data, and converting a data to transmit into a second wireless data and wirelessly transmitting the second wireless data, when generating the data to transmit to the wireless mouse; wherein the first wireless data comprises various kinds of data, a unique ID of the wireless mouse, an error check code, and a specific code indicating a beginning and an end of the first wireless data; wherein the first wireless communicator determines that there is an error in the first wireless data received on the communication channel, when the first wireless data having the unique ID that cannot be recognizable is received, the error check code included in the first wireless data is different from an expected value, the specific code cannot be found, or a size of the first wireless data is different from another expected value.