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    • 1. 发明专利
    • Reader device
    • 读写器
    • JP2007183812A
    • 2007-07-19
    • JP2006001549
    • 2006-01-06
    • Yagi Antenna Co Ltd八木アンテナ株式会社
    • HASHIDATE TAKESHIMAKINO TADASHI
    • G06K17/00G06K19/00G06K19/07
    • PROBLEM TO BE SOLVED: To provide a reader device with simple circuit configuration which, allocates unique IDs without fail, and easily manages ID for preventing duplication. SOLUTION: A transmission system 12 connected to a CPU 11 outputs transmission data to a switch 15 via a circulator 14. An antenna 16 for a reader is connected to the switch 15, and an RFID chip 19 for a unique ID is also connected to the switch 15 via an attenuator 17 and a matching circuit 18. When power is applied, the CPU 11 turns the switch to the attenuator 17 side and supplies the RFID chip 19 with power necessary for operation to read out ID information. The ID information is decoded by a reception system 13 and stored by the CPU 11. When an RFID tag 20 is read, the CPU 11 turns the switch 15 to the antenna 16 side and supplies the RFID tag 20 with operating power from the antenna 16 to execute reading processing. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为读者设备提供简单的电路配置,其不分配分配唯一的ID,并且容易地管理ID以防止重复。 解决方案:连接到CPU 11的传输系统12经由循环器14将传输数据输出到开关15.用于读取器的天线16连接到开关15,并且用于唯一ID的RFID芯片19也是 通过衰减器17和匹配电路18连接到开关15.当施加电力时,CPU 11将开关转到衰减器17侧,并向RFID芯片19提供操作所需的电力以读出ID信息。 ID信息由接收系统13解码并被CPU11存储。当读取RFID标签20时,CPU 11将开关15转到天线16侧,并从RFID天线16向RFID标签20提供工作电力 执行读取处理。 版权所有(C)2007,JPO&INPIT