LINE MARK BUILT-IN RFID TAG AND SYSTEM USING THE SAME

摘要

An underground mark indicator with a built-in RFID tag and an underground marking system using the underground mark indicator are provided to reliably provide information on underground articles by transmitting the information in an LF band. An underground mark indicator includes an RFID(Radio Frequency IDentification) chip(330), an antenna(340), and a head(310). The RFID chip is arranged inside a main body and communicates in an LF(Low Frequency) band. The antenna is coupled with the RFID chip on an outer periphery of the main body. A length of the antenna is the same as that of the coil, which corresponds to the LF band. The head is coupled with one side of the main body and exposed from an earth surface. A direction toward an underground article is marked on the head.