| 摘要 |
PURPOSE: A wireless security system using a wireless transmitter-receiver is provided to bidirectionally transmit and receive data between terminal devices, relay devices, and a control device, and confirm whether the data are accurately transmitted. CONSTITUTION: A plurality of subordinate devices (25-1-11¯25-1-x1,15-1-1y¯15-1-xy, 25-m-11¯25-m-x1,25-m-1y¯25-m-xy) transmit and receive data wirelessly. A plurality of superior devices(24-11¯24-m1,24-1x¯24-mx) are connected with the plurality of subordinate devices for wirelessly transceiving data with the plurality of subordinate devices. A control device(20) is connected with a plurality of superior devices(23-1¯23-m,22-1¯22-m) of a top level layer.
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