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    • 15. 发明申请
    • ULTRASONIC TESTING METHOD OF WHEEL
    • 超声波测试方法
    • US20140224024A1
    • 2014-08-14
    • US14128649
    • 2012-06-05
    • Hitoshi MurakoshiKenta Takahashi
    • Hitoshi MurakoshiKenta Takahashi
    • G01N29/04G01N29/24
    • G01N29/04G01N29/043G01N29/0645G01N29/07G01N29/24G01N29/28G01N2291/044G01N2291/106G01N2291/2638G01N2291/2696
    • An ultrasonic testing apparatus includes an array probe 3 disposed to face a flange-side rim face 16 of a wheel 1. The ultrasonic testing apparatus also includes an array flaw detector having a function of transmitting transmission-reception control signals to the array probe, and a personal computer having a function of setting various parameters for the array flaw detector, and receiving signals from the array flaw detector so as to generate images such as an A-scope image and a B-scope image. When detecting a flaw, the array probe is disposed in such a manner that a transducer face thereof faces the flange-side rim face. At this time, an angle between the transducer alignment direction of the array probe and the radial direction of the wheel 1 is set to be 20 to 60° when viewed in the axial direction, and the flaw detection is carried out at this angle.
    • 超声波检测装置具有配置在与车轮1的凸缘侧边缘面16相对的阵列探针3.超声波检查装置还具有阵列探伤器,该阵列探伤器具有发射接收控制信号到阵列探针的功能, 具有设置阵列探伤器的各种参数的功能的个人计算机,以及从阵列探伤仪接收信号,以产生诸如A范围图像和B范围图像的图像。 当检测到缺陷时,阵列探针以其换能器面朝向凸缘侧边缘面的方式设置。 此时,沿轴向观察时阵列探针的换能器取向方向与车轮1的径向方向之间的角度被设定为20°〜60°,并且以该角度进行探伤。
    • 16. 发明申请
    • BIOMETRIC AUTHENTICATION METHOD AND SYSTEM
    • 生物识别方法与系统
    • US20110185176A1
    • 2011-07-28
    • US13057468
    • 2009-08-21
    • Kenta TakahashiShinji HirataYoshiaki Isobe
    • Kenta TakahashiShinji HirataYoshiaki Isobe
    • H04L9/32
    • H04L63/0861G06F21/32G06F21/83G06F2221/2153G06K2009/00953G07C9/00158G07C9/00166G07C2209/12H04L9/3231H04L2209/043
    • At a registration time, a feature data array for registration is generated from biometric information acquired by a client, and a position correction template and a comparison template obtained by converting the feature data array for registration are registered in a server.At an authentication time, a feature data array for authentication is generated from biometric information acquired by the client, and converted feature data for position correction obtained by converting the feature data array for authentication is transmitted to the server. The server detects a position correction amount of the feature data array for authentication relative to the feature data array for registration using the position correction template and the converted feature data for position correction, and transmits the position correction amount to the client. The client corrects the feature data array for authentication using the position correction amount and transmits the converted feature data array for comparison to the server. The server calculates a distance between the comparison template and the converted feature data array for comparison and determines success or failure of the authentication on the basis of the distance.
    • 在注册时,由客户机获取的生物特征信息生成用于注册的特征数据阵列,并且通过转换用于注册的特征数据阵列获得的位置校正模板和比较模板被登记在服务器中。 在认证时刻,由客户端获取的生物特征信息生成用于认证的特征数据阵列,并且将用于认证的特征数据阵列转换获得的用于位置校正的转换特征数据发送到服务器。 服务器使用位置校正模板和转换后的位置校正特征数据检测相对于用于登记的特征数据阵列进行认证的特征数据阵列的位置校正量,并将位置校正量发送给客户端。 客户端使用位置校正量来校正特征数据阵列进行认证,并将转换的特征数据数组发送到服务器进行比较。 服务器计算比较模板和转换的特征数据阵列之间的距离进行比较,并根据距离确定认证的成功或失败。
    • 17. 发明申请
    • BIOMETRICS AUTHENTICATION METHOD AND CLIENT TERMINAL AND AUTHENTICATION SERVER USED FOR BIOMETRICS AUTHENTICATION
    • 生物识别认证方法和客户终端和验证服务器用于生物识别认证
    • US20100315201A1
    • 2010-12-16
    • US12760921
    • 2010-04-15
    • Shinji HIRATAKenta Takahashi
    • Shinji HIRATAKenta Takahashi
    • G05B19/00
    • G06F21/32G06K9/00979G06K9/6807G06K2009/00953
    • In a biometrics authentication system inputting biometric information and outputting a user ID, speedup of 1:N matching on the side of server achieved when cancelable biometrics authentication is realized in which matching is carried out. During registration, similarity of a feature to a dummy feature is searched and the feature is transformed by using a transform parameter corresponding to a nearest neighboring dummy feature. The transformed feature and a group ID are transmitted to the server and the server registers the transformed feature at the group in a DB. During authentication, like the registration process, similarity search of a feature is carried out and the feature is transformed by using transform parameter corresponding to a nearest neighboring dummy feature. The transformed feature and group ID are transmitted to the server. The server executes 1:1 matching between a template a the group in the DB and the transformed feature.
    • 在生物体认证系统输入生物体信息并输出用户ID时,加速实现在可执行的生物识别认证时实现的服务器侧的1:N匹配。 在注册期间,搜索特征与虚拟特征的相似性,并且通过使用对应于最近的相邻虚拟特征的变换参数来变换特征。 转换的特征和组ID被发送到服务器,并且服务器将变换的特征注册到DB中的组。 在认证期间,像注册过程一样,执行特征的相似度搜索,并通过使用与最近邻虚拟特征对应的变换参数来变换特征。 转换的功能和组ID被发送到服务器。 服务器在模板之间执行与数据库中的组和转换的特征之间的1:1匹配。
    • 20. 发明授权
    • Biometric authentication system, enrollment terminal, authentication terminal and authentication server
    • 生物认证系统,注册终端,认证终端和认证服务器
    • US08443201B2
    • 2013-05-14
    • US11862240
    • 2007-09-27
    • Kenta TakahashiShinji HirataHideitsu Hino
    • Kenta TakahashiShinji HirataHideitsu Hino
    • H04L29/06
    • G07C9/00087G06F21/32G06F2221/2153
    • The present invention captures user's biometric data during enrollment and converts it by a given conversion parameter to create a template. It creates verification information for the conversion parameter, and enrolls it in an authentication server together with the template. The conversion parameter is stored in an IC card or the like for issuance to the user. During authentication, the authentication server verifies that the authentication terminal knows the conversion parameter, using conversion parameter verification information. Next, the authentication terminal converts user's biometric data newly captured by a conversion parameter to create matching information, and transmits it to the authentication server. The authentication server matches the matching information with the template to determine whether the user is a principal.
    • 本发明在注册期间捕获用户的生物特征数据,并通过给定的转换参数进行转换以创建模板。 它创建转换参数的验证信息,并将其注册到认证服务器和模板。 转换参数存储在IC卡等中,以发布给用户。 在认证期间,认证服务器使用转换参数验证信息验证认证终端知道转换参数。 接下来,认证终端转换由转换参数新获取的用户的生物体数据,以创建匹配信息,并将其发送到认证服务器。 验证服务器将匹配的信息与模板匹配,以确定用户是否是主体。