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    • 32. 发明授权
    • Storage device
    • 储存设备
    • US07415729B2
    • 2008-08-19
    • US10463768
    • 2003-06-18
    • Masaharu UkedaMotoyasu TsunodaNagamasa MizushimaKunihiro Katayama
    • Masaharu UkedaMotoyasu TsunodaNagamasa MizushimaKunihiro Katayama
    • G06F7/04
    • G06F21/78G06F21/10G06F21/62
    • A storage device allows expanding user utilizable applications by storing information permitted to be read according to a certificate and information permitted to be read according to information determined by a user. An information distributor receives a certificate from the storage device and after verifying the certificate, transmits data of a license and access control conditions to the storage device. After receiving data of a certificate from an information browser, verifying the certificate and imposing a limit on access based upon one of access control conditions, the storage device transmits data of the license and the other to the information browser. The information browser permits utilization of the license under the limitation defined by the access control condition. The certificate includes either or both of a certificate approved by a certificate authority and a PIN (personal identifying number) determined by the user.
    • 存储装置允许通过根据由用户确定的信息根据证书和允许读取的信息来存储允许读取的信息来扩展用户可利用的应用。 信息分配器从存储装置接收证书,并且在验证证书之后,向存储装置发送许可证和访问控制条件的数据。 在从信息浏览器接收到证书的数据之后,根据访问控制条件之一验证证书和强制访问限制,存储设备将许可证的数据传送给信息浏览器。 信息浏览器允许在由访问控制条件定义的限制下使用许可证。 证书包括证书颁发机构批准的证书和用户确定的PIN(个人识别号码)中的一个或两个。
    • 37. 发明申请
    • Memory card and data rewriting method
    • 存储卡和数据重写方法
    • US20070233956A1
    • 2007-10-04
    • US11802998
    • 2007-05-29
    • Atsushi ShikataKunihiro KatayamaMasato MatsumotoKazuto IzawaMotoki Kanamori
    • Atsushi ShikataKunihiro KatayamaMasato MatsumotoKazuto IzawaMotoki Kanamori
    • G06F12/00
    • G06F13/1668
    • A controller 3 of a memory card is a provided with a command decoding circuit 6 for decoding commands issued by a host HT, a command enable register 8 in which the validity or invalidity of the received command, and a command detection signal generating circuit 7 for detecting a valid command on the basis of the result of decoding by the command decoding circuit 6 and a value set by the command enable register 8. If the command enable register 8 receives a validly set command, the command detection signal generating circuit 7 will supply a detection signal to a control unit 4 to execute processing prescribed for each command. the command enable register 8 receives an invalidly set command, no detection signal will be supplied, and the command will be ignored.
    • 存储卡的控制器3设置有用于解码由主机HT发出的命令的命令解码电路6,其中接收到的命令的有效性或无效的命令使能寄存器8以及用于接收命令的命令检测信号生成电路7 根据命令解码电路6的解码结果和由命令使能寄存器8设定的值检测有效命令。 如果命令使能寄存器8接收到有效设置的命令,则命令检测信号发生电路7将向控制单元4提供检测信号,以执行对每个命令规定的处理。 命令使能寄存器8接收到无效设置命​​令,不会提供检测信号,并且该命令将被忽略。
    • 38. 发明申请
    • Memory card
    • 存储卡
    • US20070136616A1
    • 2007-06-14
    • US11703745
    • 2007-02-08
    • Shigeo KurakataKunihiro KatayamaMotoki KanamoriAtsushi ShikataTetsuya Iida
    • Shigeo KurakataKunihiro KatayamaMotoki KanamoriAtsushi ShikataTetsuya Iida
    • G06F1/00
    • G06K19/0701G06K19/07
    • A memory card is provided in which power consumption is reduced by the pull-up resistor of an input terminal and a misoperation induced by the pull-down resistor of a host apparatus is prevented. The memory card has a select terminal connected to the pull-up resistor. When the mode of the memory card is determined based on an input from the select terminal, a relatively low resistance value is selected for the pull-up resistor of the select terminal before a determination timing and the pull-up resistor is restored to an initial resistance value after the mode determination. A relatively high resistance value reduces a leakage current consumed by the pull-up resistor of the select terminal. When a pull-down resistor is connected to the terminal of a memory card host to which the memory card is attached, if the resistance value of the pull-up resistor is excessively high, it is influenced by the drawing in of a current by the pull-down resistor. If the resistance value of the pull-up resistor of the select terminal is lowered at the time of mode determination, an adverse effect of the lowering of a potential by the pull-down resistor can be circumvented.
    • 提供了一种存储卡,其中通过输入端的上拉电阻降低功耗,并且防止由主机设备的下拉电阻引起的误操作。 存储卡具有连接到上拉电阻的选择端子。 当基于来自选择端子的输入确定存储卡的模式时,在确定定时之前为选择端的上拉电阻选择相对较低的电阻值,并且将上拉电阻恢复到初始值 模式确定后的电阻值。 相对较高的电阻值减小了选择端子的上拉电阻消耗的漏电流。 当下拉电阻连接到与存储卡相连的存储卡主机的端子时,如果上拉电阻的电阻值过高,则会受到电流的影响 下拉电阻。 如果选择端子的上拉电阻的电阻值在模式确定时降低,则可以避免下拉电阻降低电位的不利影响。