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    • 7. 发明授权
    • Contact/non-contact type hybrid IC card, communication method, program and communication system
    • 接触/非接触式混合IC卡,通讯方式,程序通讯系统
    • US09058553B2
    • 2015-06-16
    • US12477632
    • 2009-06-03
    • Tadashi Morita
    • Tadashi Morita
    • G06K19/00G06K19/077
    • G06K19/07749G06K19/07743G06K19/07769
    • A contact/non-contact type hybrid IC card is provided which includes a non-contact interface to communicate in a non-contact manner with a non-contact type reader/writer through an antenna, a contact interface to communicate in a contact manner with a contact type reader/writer through a contact terminal, a storage unit to store personal identification information input from the contact type reader/writer through the contact interface during a contact communication mode by the contact interface, and a control unit to remove a limitation of a prescribed function in a non-contact communication mode by the non-contact interface based on the personal identification information stored in the storage unit during the contact communication mode and switch a communication mode from the contact communication mode to the non-contact communication mode with the limitation of the prescribed function being removed.
    • 提供一种接触/非接触式混合IC卡,其包括非接触式接口,以非接触方式通过天线与非接触式读取器/写入器进行通信,接触界面以接触方式与 通过接触终端的接触型读取器/写入器,存储单元,用于通过接触界面在接触通信模式期间通过接触接口存储从接触型读取器/写入器输入的个人识别信息;以及控制单元, 基于在接触通信模式期间存储在存储单元中的个人识别信息,通过非接触式接口在非接触通信模式中的规定功能,并且将通信模式从接触通信模式切换到非接触通信模式, 规定功能的限制被删除。
    • 10. 发明授权
    • Delta sigma ADC
    • Delta西格玛ADC
    • US08466821B2
    • 2013-06-18
    • US13256524
    • 2011-01-07
    • Tadashi Morita
    • Tadashi Morita
    • H03M3/00
    • H03M3/47
    • A ΔΣADC is provided that is capable of suppressing increase of a circuit scale without losing noise shaping function even when a switching speed of a switch for performing time-division process is lower than a sampling rate of the ΔΣADC. For a code values provided by a comparator (105), the ΔΣADC (100) has a first storage section (106-1) and a second storage section (106-2) respectively for signal sequences (a first signal sequence and a second signal sequence) constituting a time-divisionally combined signal. Then, one of the two storage sections (i.e. the first storage section (106-1) and the second storage section (106-2)) that corresponds to a branch selection signal is configured to store the code value obtained from the comparator (105). On the other hand, one of the two storage sections (i.e. the first storage section (106-1) and the second storage section (106-2)) that is not the storage section corresponding to the branch selection signal is configured to hold the already stored code value.
    • 提供了一种DeltaSigmaADC,即使当用于执行时分处理的开关的切换速度低于DeltaSigmaADC的采样率时,也能够抑制电路规模的增加而不失去噪声整形功能。 对于由比较器(105)提供的代码值,DeltaSigmaADC(100)具有分别用于信号序列的第一存储部分(106-1)和第二存储部分(106-2)(第一信号序列和第二信号 序列)构成时分组合信号。 然后,对应于分支选择信号的两个存储部分(即,第一存储部分(106-1)和第二存储部分(106-2))之一被配置为存储从比较器(105)获得的代码值 )。 另一方面,不是与分支选择信号对应的存储部的两个存储部(即,第一存储部(106-1)和第二存储部106-2)中的一个被配置为保持 已经存储的代码值。