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    • 4. 发明授权
    • Programmable portable electronic device
    • 可编程便携式电子设备
    • US4827512A
    • 1989-05-02
    • US915514
    • 1986-10-06
    • Katsuhisa HirokawaYasuo Iijima
    • Katsuhisa HirokawaYasuo Iijima
    • G06F3/00G06F11/277G07F7/10H04L9/00
    • G07F7/1008G06F3/00G06F3/002G06Q20/341G06Q20/3552G06Q20/3576G06Q20/367G06F11/277
    • According to a portable medium (IC card) of this invention, a memory area is divided into a system program area and a user program area. A text transmitted between the IC card and a host system connected thereto includes a command text and a response text. The command or response text includes a flag indicating that the text is written in the user program area or the system program area. The memory area has a conversion table for a function code and the start address of a program corresponding to the function code. The conversion table is looked up using the given function code as a parameter, thereby obtaining the start address of the corresponding program. The memory area has a correspondence table between a newly added function code and the start address of an added function program. The added function program is selectively executed.
    • 根据本发明的便携式介质(IC卡),存储区被划分为系统程序区和用户程序区。 在IC卡和与其连接的主机系统之间传送的文本包括命令文本和响应文本。 命令或响应文本包括指示文本被写入用户程序区域或系统程序区域的标志。 存储区具有用于功能代码的转换表和与功能码相对应的程序的起始地址。 使用给定的功能代码作为参数查找转换表,从而获得相应程序的起始地址。 存储区域具有新添加的功能代码和添加的功能程序的起始地址之间的对应表。 有选择地执行增加的功能程序。
    • 5. 发明授权
    • Portable medium
    • 便携式介质
    • US4766294A
    • 1988-08-23
    • US89998
    • 1987-08-27
    • Seietsu NaraKatsuhisa HirokawaKenichi Kobayashi
    • Seietsu NaraKatsuhisa HirokawaKenichi Kobayashi
    • G04G9/00G04G21/02G06K19/07G06K19/077G07F7/10G06K5/00
    • G04G21/02G04G9/0064G06K19/07G06K19/0719G06K19/077G06Q20/341G06Q20/3415G06Q20/4093G07F7/1008
    • An IC card, as a portable medium, has an oscillator for generating a low-frequency clock signal for time-piece. A display clock for display is provided for counting the clock signal. The time based on a count carried out by the display clock is displayed on the IC card a display section. In this case, the count of the display clock can be changed, as appropriate, by using keys on the keyboard provided on the IC card. The IC card also incorporates a transaction clock for counting the clock signal. The count carried out by this transaction clock is used to indicate the standard time. A count carried out by the transaction clock cannot be altered by use of the keys of the keyboard. The clock for time display may be the transaction clock allowing an access of the keyboard. The time for setting a term of validity and the key for encoding may be provided by the transaction clock rejecting an access by the keyboard and providing the time equal to that of other cards.
    • 作为便携式介质的IC卡具有用于产生时间片的低频时钟信号的振荡器。 提供用于显示的显示时钟用于对时钟信号进行计数。 基于由显示时钟执行的计数的时间在IC卡上显示在显示部分上。 在这种情况下,可以通过使用IC卡上提供的键盘上的键来适当地改变显示时钟的计数。 IC卡还包含一个用于计数时钟信号的事务时钟。 此事务时钟进行的计数用于指示标准时间。 由交易时钟执行的计数不能通过使用键盘的键来改变。 时间显示的时钟可以是允许键盘访问的事务时钟。 用于设置有效期限和编码密钥的时间可以由拒绝键盘访问的事务时钟提供,并且提供等于其他卡的时间。