发明名称 Data carrier system
摘要 A data carrier system is provided including: a main apparatus including a first control unit for outputting a first signal and a first coil unit having at least a transmission coil for transmitting the first signal; a tuner circuit unit having a tuner circuit being tuned with the frequency of the first signal, the tuner circuit having a tuning coil disposed facing the transmission coil of the first coil unit; and a tag including a second coil unit having at least a reception coil and a second control unit for performing a predetermined control operation in accordance with the first signal transmitted from the main apparatus and received by the reception coil of the second coil unit.
申请公布号 US6118367(A) 申请公布日期 2000.09.12
申请号 US19970975197 申请日期 1997.11.20
申请人 YOSHIKAWA RF SYSTEMS CO., LTD. 发明人 ISHII, EIICHI
分类号 H01Q7/00;(IPC1-7):H04Q5/22 主分类号 H01Q7/00
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