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    • 85. 发明申请
    • Terminal device communicating with contact-less IC media, and a communication method performed in the terminal device
    • 与非接触式IC介质通信的终端设备,以及在终端设备中执行的通信方法
    • US20070122941A1
    • 2007-05-31
    • US11603675
    • 2006-11-22
    • Michihiro OtaHiroto HondaHiroaki YoshidaHiroaki Shinada
    • Michihiro OtaHiroto HondaHiroaki YoshidaHiroaki Shinada
    • H01L21/66H01L21/00H05K1/14
    • G06K7/0008G06K7/10217
    • The terminal device of the present invention comprises a transmitting means for transmitting, to a contact-less IC medium, commands and carrier signals used for receiving responses, a receiving means for receiving responses from the contact-less IC medium, and a controlling means for controlling at least one of the transmitting means and the receiving means so as to adjust a maximum distance at which the terminal device can communicate with the contact-less IC medium. The terminal device firstly transmits an inquiry request command from the transmitting means to the contact-less IC medium, and receives an inquiry request response to the transmitted inquiry request command at the receiving means from the contact-less IC medium. Then, the terminal device transmits a data processing command from the transmitting means to the contact-less IC medium, and receives a data processing response to the transmitted data processing command at the receiving means from the contact-less IC medium. The maximum distance at which the terminal device can receive the data processing response is greater than the maximum distance at which the terminal device can receive the inquiry request response.
    • 本发明的终端装置包括发送装置,用于向无接触IC介质发送用于接收响应的命令和载波信号;接收装置,用于接收来自无接触IC介质的响应;以及控制装置, 控制发送装置和接收装置中的至少一个,以便调整终端装置能够与无接触IC介质通信的最大距离。 终端装置首先从发送装置向无接触IC介质发送查询请求命令,并且从接触装置IC接收对接收装置发送的查询请求命令的查询请求响应。 然后,终端装置从发送装置向无接触IC介质发送数据处理指令,并且从接触装置IC接收对接收装置发送的数据处理指令的数据处理响应。 终端设备可以接收数据处理响应的最大距离大于终端设备可以接收查询请求响应的最大距离。