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    • 8. 发明申请
    • Memory card device, rights managing system and time managing method
    • 存储卡设备,权限管理系统和时间管理方法
    • US20050038757A1
    • 2005-02-17
    • US10902822
    • 2004-08-02
    • Hiroyuki Wada
    • Hiroyuki Wada
    • G04C9/04G04G5/00G04G99/00G06F12/00G06F12/14G06F13/00G06F21/24G06F21/62G06F21/64G07F17/00G06F17/60
    • G06F21/725G06F21/10G06F2221/0797G06Q10/105G06Q30/0283
    • A rental service handling electronic data is faced with a challenge of accurately managing time within a machine. With currently available systems, time instant data to be set could be tampered using a machine and it is therefore difficult to protect the rights over programs and data. Disposed within a memory card are a time measuring part which is capable of measuring time, a memory part in which key information and various types of data are coded and stored, a power source part which supplies power to the time measuring part and other respective parts, a code processing part which decodes time instant information set in the time measuring part and codes time instant information retrieved from the time measuring part using the key information, and a calculation control part which controls so as to validate or invalidate rights based on the various types of time instant information, whereby management of time such as the term of validity of data is always performed inside the memory card.
    • 处理电子数据的租赁服务面临着准确管理机器内部时间的挑战。 使用当前可用的系统,可以使用机器篡改要设置的即时即时数据,因此难以保护对程序和数据的权限。 在存储卡内设置有能够测量时间的时间测量部分,其中密钥信息和各种类型的数据被编码和存储的存储器部分,向时间测量部分和其他各个部分供电的电源部分 代码处理部,其对所述时间测量部中设定的时刻信息进行解码,并且使用所述密钥信息对从所述时间测量部检索到的时刻信息进行编码;以及计算控制部,其基于各种方式来控制以使所述权限有效或无效 时间瞬间信息的类型,从而总是在存储卡内部执行诸如数据有效期的时间的管理。