ANTENNA SYSTEM FOR WIRELESS LOCAL AREA NETWORK

摘要

<P>PROBLEM TO BE SOLVED: To solve the problem that security of data is lost because of leakage of radiowaves in a wireless local area network (LAN). Ž<P>SOLUTION: Individual antennas are installed at areas where wireless terminal personal computers (PCs) are provided to actualize wireless communication only with PCs arranged in the adjacent areas like individual antennas. The wireless terminal PC lowers an output by switching an antenna output between high and low levels. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž