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    • 1. 再颁专利
    • IC chip and information processing terminal
    • IC芯片和信息处理终端
    • USRE45205E1
    • 2014-10-28
    • US12458386
    • 2009-07-09
    • Shigeru ArisawaAkihiko Yamagata
    • Shigeru ArisawaAkihiko Yamagata
    • G06K19/06
    • When an IC card is passed over an external card reading and writing apparatus, the IC card starts communication with the card reading and writing apparatus via a wireless interface, so that a change in the internal state of the IC card is reported to an external device via an external wired interface or a dedicated control signal line, thus allowing a specific application to be enabled on the external device or allowing a controller to be powered on and activated. Alternatively, the controller is powered off and deactivated. Accordingly, processing according to the communication state between the IC card and the card reading and writing apparatus or the internal state of the IC card can be smoothly initiated.
    • 当IC卡通过外部卡读写装置时,IC卡通过无线接口开始与卡读写装置的通信,从而将IC卡的内部状态的变化报告给外部设备 通过外部有线接口或专用控制信号线,从而允许在外部设备上启用特定应用或允许控制器通电并激活。 或者,控制器关闭并停用。 因此,可以平稳地开始根据IC卡和卡读写装置之间的通信状态或IC卡的内部状态的处理。
    • 4. 发明授权
    • IC card, information processing terminal, trilateral data communication system, and method
    • IC卡,信息处理终端,三边数据通信系统及方法
    • US07188777B2
    • 2007-03-13
    • US10433790
    • 2002-10-29
    • Akihiko YamagataAkira Fukada
    • Akihiko YamagataAkira Fukada
    • G06K19/06
    • G06F13/385
    • An IC card transmits data received from a card reading and writing apparatus to a portable terminal via an external interface without changing the received data, or after the received data is converted according to an appropriate conversion scheme or is converted into other packet data. Conversely, the IC card transmits data received from the portable terminal via the external interface to the card reading and writing apparatus via a non-contact interface without changing the received data, or after the received data is converted according to an appropriate conversion scheme or is converted into other packet data. Therefore, non-contact data communication can be performed between the information processing terminal connected to the IC card and the card reading and writing apparatus.
    • IC卡经由外部接口将从卡读写装置接收的数据发送到便携式终端,而不改变接收到的数据,或者在根据适当的转换方案转换接收到的数据之后,或者将其转换为其他分组数据。 相反,IC卡经由外部接口将从便携式终端接收的数据经由非接触式接口发送到卡读写装置,而不改变接收到的数据,或者在根据适当的转换方案转换接收的数据之后,或者 转换为其他数据包数据。 因此,可以在连接到IC卡的信息处理终端和卡读写装置之间执行非接触数据通信。
    • 5. 发明授权
    • Electronic circuit, modulation method, information processing device, and information processing method
    • 电子电路,调制方式,信息处理装置和信息处理方法
    • US07092682B2
    • 2006-08-15
    • US10681305
    • 2003-10-09
    • Tatsuo MaedaAkihiko Yamagata
    • Tatsuo MaedaAkihiko Yamagata
    • H04B1/02
    • H03C1/36H04L27/04H04L27/367
    • A shaped-wave application section inputs a first pulse signal corresponding to transmission data output from a transmission data output section, and applies, to a modulation and amplification section, a signal wave corresponding to a second pulse signal such that the waveform of the first pulse signal is shaped. The pulse signal applied to the base of the transistor of the modulation and amplification section is amplitude-modulated into an amplitude-modulated wave in which the amplitude-modulated portion is strengthened, in accordance with the signal wave corresponding to the second pulse signal applied to the emitter thereof. The amplitude-modulated wave is supplied to an antenna section including a resonance circuit via the collector thereof, and is transmitted as an electromagnetic wave from the antenna section.
    • 成形波施加部输入与从发送数据输出部输出的发送数据相对应的第一脉冲信号,向调制放大部输出与第二脉冲信号对应的信号波,使得第一脉冲的波形 信号形状。 根据与施加到调制放大部分的第二脉冲信号对应的信号波,施加到调制和放大部分的晶体管的基极的脉冲信号被调幅成调幅部分被加强的幅度调制波 其发射极。 幅度调制波通过其收集器提供给包括谐振电路的天线部分,并从天线部分作为电磁波传输。