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    • 1. 发明授权
    • Group signature apparatus and method
    • 组签名装置及方法
    • US07318156B2
    • 2008-01-08
    • US10340608
    • 2003-01-13
    • Masato KurosakiNaoyasu Terao
    • Masato KurosakiNaoyasu Terao
    • H04L9/32
    • H04L9/3255H04L2209/68
    • A mail receiving section receives S/MIME signature mail from a host of a member. A member checking section checks the electronic signature of the signature mail for validity and determines whether or not the member belongs to a group. If the member checking section checks that the mail is from the valid member, a mail storing section requests an archive service section to archive the mail. A signature creating section uses a secret key unique to the group to create an electronic signature of the group. A mail transmitting section transmits the mail with the electronic signature of the group to the receiver.
    • 邮件接收部分从成员主机接收S / MIME签名邮件。 成员检查部分检查签名邮件的电子签名是否有效,并确定该成员是否属于一个组。 如果会员检查部分检查邮件来自有效成员,则邮件存储部分请求归档服务部分归档邮件。 签名创建部分使用该组唯一的秘密密钥来创建该组的电子签名。 邮件发送部分将具有该组的电子签名的邮件发送给接收者。
    • 8. 发明申请
    • DIFFERENTIAL GEAR DEVICE
    • 差速齿轮装置
    • US20100234160A1
    • 2010-09-16
    • US12698552
    • 2010-02-02
    • Shinichiro IshikawaMasato Kurosaki
    • Shinichiro IshikawaMasato Kurosaki
    • F16H57/04F16H48/06
    • F16H57/0483F16H48/08F16H48/22F16H48/40F16H2048/082F16H2048/085
    • A differential gear device includes a case that rotates around a rotation center line; a first protruding portion protruding from an inner surface of the case toward the rotation center line; a rotatable first gear provided around the first protruding portion; and a second gear including a ring-shaped base portion, and a connection portion formed on an inner peripheral surface of the base portion, and connected to an output shaft, wherein the second gear engages with the first gear. One end of the base portion, which is located in the case at a position inside an opposite end of the base portion in an axial direction of the output shaft, is located in a region that is located directly ahead of the first protruding portion in a direction in which the first protruding portion protrudes.
    • 差速齿轮装置包括围绕旋转中心线旋转的壳体; 从所述壳体的内表面朝向所述旋转中心线突出的第一突出部; 围绕所述第一突出部设置的可旋转的第一齿轮; 以及包括环形基部的第二齿轮和形成在所述基部的内周面上并连接到输出轴的连接部,其中所述第二齿轮与所述第一齿轮接合。 基部的位于输出轴的轴向方向上位于基部的相反端的位置的壳体的一端位于位于第一突出部的正前方的区域中 第一突出部突出的方向。