Patent ID: 8786470

Claim:
A wireless keyboard comprising: an antenna; a key array, comprising a plurality of keys arranged in a matrix manner and a plurality of tags each connected to a row or a column of the keys, and each of the keys connected to a first and a second tags respectively connected to a corresponding row and a corresponding column the key belongs to; a storage unit to store a tag content of each key associated with the first tag and the second tag; a scanning unit to scan all keys in real time and determine whether one or more keys of the keys are pressed, and when one or more keys are pressed, to read signals from the first tag connected to the corresponding row and the second tag connected to the corresponding column of each of the one or more keys and generate a scanning signal; and a processing unit to acquire a tag content corresponding to each of the one or more keys from the storage unit according to the scanning signal and send the tag content of each of the one or more keys as a radio signal via the antenna.