The invention gaze induction apparatus, control method and system of the eye gaze induction induction device, the eye a step of changing the output period of the light emitting portion of the induction device, in any of the slots of the modified output period divided into a plurality of slots, and the divided slot, the output frequency changes as the control information for controlling the other line of sight guidance system that control information comprises the step of transmitting to another device the gaze induction phase and the generated control information to generate gaze induction device control method and apparatus for performing the method, provides a system. According to the invention, a quick and effective control and, at the same time the control information in the line of sight guidance system as flooding (Flooding) the entire length in the system, reducing the probability of data collision, it is possible to deliver a reliable control information. In addition, by using wireless communication, even if the reach of the radio waves caused more than one hop, which is effective to control the output of the radio wave with a relatively small multi-hop synchronization message gaze induction unit via a transmission method in a short period of time to enable ;
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