| 摘要 |
The present invention relates to a wireless communication device for changing a password code by hour. The present invention provides the wireless communication device for changing a password code, which comprises: a first wireless communication terminal including a first storage unit which stores one or more time code tables, a first table selecting unit which selects the time code table stored in the first storage unit, a password code giving unit which generates an encoded voice signal, and a voice signal transmitting unit which transmits the time information and the voice signal encoded in the password code giving unit to one or more second wireless communication terminals; and the second wireless communication terminal including a second storage unit which stores one or more time code tables, a second table selecting unit which selects the time code table stored in the second storage unit, a voice signal receiving unit, and a password code decoding unit. |
